From 77774b4d56be2c3280ebe64a0768b1c5a55e14ea Mon Sep 17 00:00:00 2001 From: Lindsay Kay Date: Tue, 25 Jun 2013 03:11:44 +0200 Subject: [PATCH] Centralised load monitoring --- api/dev/extras/gui.js | 480 - api/dev/extras/orbitControl.js | 152 - api/dev/extras/pickControl.js | 47 - api/dev/plugins/geometry/box.js | 72 - api/dev/plugins/geometry/plane.js | 126 - api/dev/plugins/geometry/quad.js | 37 - api/dev/plugins/geometry/skybox.js | 86 - api/dev/plugins/geometry/sphere.js | 82 - api/dev/plugins/geometry/teapot.js | 5853 -------- api/dev/plugins/geometry/torus.js | 139 - api/dev/plugins/geometry/vectorText.js | 1499 -- api/dev/plugins/geometry/wobblyBox.js | 44 - api/dev/plugins/texture/image.js | 67 - api/dev/plugins/texture/video.js | 105 - api/dev/scenejs.js | 16013 --------------------- api/latest/plugins/geometry/sphere.js | 2 +- api/latest/scenejs.js | 970 +- build.js | 3 +- lib/jquery-1.9.0.min.js | 4 - lib/jquery-lib.1.7.1.min.js | 4 - lib/jquery/jquery-1.3.2.min.js | 19 - lib/jquery/jquery-ui-1.7.2.custom.min.js | 298 - lib/jquery/jquery-url.packed.js | 1 - lib/jquery/jquery.url.min.js | 11 - src/core/activity.js | 64 + src/core/engine.js | 25 +- src/core/scene/geometry.js | 10 +- src/core/scene/texture.js | 16 +- 28 files changed, 215 insertions(+), 26014 deletions(-) delete mode 100644 api/dev/extras/gui.js delete mode 100644 api/dev/extras/orbitControl.js delete mode 100644 api/dev/extras/pickControl.js delete mode 100644 api/dev/plugins/geometry/box.js delete mode 100644 api/dev/plugins/geometry/plane.js delete mode 100644 api/dev/plugins/geometry/quad.js delete mode 100644 api/dev/plugins/geometry/skybox.js delete mode 100644 api/dev/plugins/geometry/sphere.js delete mode 100644 api/dev/plugins/geometry/teapot.js delete mode 100644 api/dev/plugins/geometry/torus.js delete mode 100644 api/dev/plugins/geometry/vectorText.js delete mode 100644 api/dev/plugins/geometry/wobblyBox.js delete mode 100644 api/dev/plugins/texture/image.js delete mode 100644 api/dev/plugins/texture/video.js delete mode 100644 api/dev/scenejs.js delete mode 100644 lib/jquery-1.9.0.min.js delete mode 100644 lib/jquery-lib.1.7.1.min.js delete mode 100644 lib/jquery/jquery-1.3.2.min.js delete mode 100644 lib/jquery/jquery-ui-1.7.2.custom.min.js delete mode 100644 lib/jquery/jquery-url.packed.js delete mode 100644 lib/jquery/jquery.url.min.js create mode 100644 src/core/activity.js diff --git a/api/dev/extras/gui.js b/api/dev/extras/gui.js deleted file mode 100644 index c1df9153..00000000 --- a/api/dev/extras/gui.js +++ /dev/null @@ -1,480 +0,0 @@ -/** - * dat-gui JavaScript Controller Library - * http://code.google.com/p/dat-gui - * - * Copyright 2011 Data Arts Team, Google Creative Lab - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - */ -var dat=dat||{};dat.gui=dat.gui||{};dat.utils=dat.utils||{};dat.controllers=dat.controllers||{};dat.dom=dat.dom||{};dat.color=dat.color||{};dat.utils.css=function(){return{load:function(e,a){var a=a||document,c=a.createElement("link");c.type="text/css";c.rel="stylesheet";c.href=e;a.getElementsByTagName("head")[0].appendChild(c)},inject:function(e,a){var a=a||document,c=document.createElement("style");c.type="text/css";c.innerHTML=e;a.getElementsByTagName("head")[0].appendChild(c)}}}(); -dat.utils.common=function(){var e=Array.prototype.forEach,a=Array.prototype.slice;return{BREAK:{},extend:function(c){this.each(a.call(arguments,1),function(a){for(var f in a)this.isUndefined(a[f])||(c[f]=a[f])},this);return c},defaults:function(c){this.each(a.call(arguments,1),function(a){for(var f in a)this.isUndefined(c[f])&&(c[f]=a[f])},this);return c},compose:function(){var c=a.call(arguments);return function(){for(var d=a.call(arguments),f=c.length-1;f>=0;f--)d=[c[f].apply(this,d)];return d[0]}}, -each:function(a,d,f){if(e&&a.forEach===e)a.forEach(d,f);else if(a.length===a.length+0)for(var b=0,n=a.length;b-1?d.length-d.indexOf(".")-1:0};c.superclass=e;a.extend(c.prototype,e.prototype,{setValue:function(a){if(this.__min!==void 0&&athis.__max)a=this.__max;this.__step!==void 0&&a%this.__step!=0&&(a=Math.round(a/this.__step)*this.__step);return c.superclass.prototype.setValue.call(this,a)},min:function(a){this.__min=a;return this},max:function(a){this.__max=a;return this},step:function(a){this.__step=a;return this}});return c}(dat.controllers.Controller,dat.utils.common); -dat.controllers.NumberControllerBox=function(e,a,c){var d=function(f,b,e){function h(){var a=parseFloat(l.__input.value);c.isNaN(a)||l.setValue(a)}function j(a){var b=o-a.clientY;l.setValue(l.getValue()+b*l.__impliedStep);o=a.clientY}function m(){a.unbind(window,"mousemove",j);a.unbind(window,"mouseup",m)}this.__truncationSuspended=false;d.superclass.call(this,f,b,e);var l=this,o;this.__input=document.createElement("input");this.__input.setAttribute("type","text");a.bind(this.__input,"change",h); -a.bind(this.__input,"blur",function(){h();l.__onFinishChange&&l.__onFinishChange.call(l,l.getValue())});a.bind(this.__input,"mousedown",function(b){a.bind(window,"mousemove",j);a.bind(window,"mouseup",m);o=b.clientY});a.bind(this.__input,"keydown",function(a){if(a.keyCode===13)l.__truncationSuspended=true,this.blur(),l.__truncationSuspended=false});this.updateDisplay();this.domElement.appendChild(this.__input)};d.superclass=e;c.extend(d.prototype,e.prototype,{updateDisplay:function(){var a=this.__input, -b;if(this.__truncationSuspended)b=this.getValue();else{b=this.getValue();var c=Math.pow(10,this.__precision);b=Math.round(b*c)/c}a.value=b;return d.superclass.prototype.updateDisplay.call(this)}});return d}(dat.controllers.NumberController,dat.dom.dom,dat.utils.common); -dat.controllers.NumberControllerSlider=function(e,a,c,d,f){var b=function(d,c,f,e,l){function o(b){b.preventDefault();var d=a.getOffset(g.__background),c=a.getWidth(g.__background);g.setValue(g.__min+(g.__max-g.__min)*((b.clientX-d.left)/(d.left+c-d.left)));return false}function y(){a.unbind(window,"mousemove",o);a.unbind(window,"mouseup",y);g.__onFinishChange&&g.__onFinishChange.call(g,g.getValue())}b.superclass.call(this,d,c,{min:f,max:e,step:l});var g=this;this.__background=document.createElement("div"); -this.__foreground=document.createElement("div");a.bind(this.__background,"mousedown",function(b){a.bind(window,"mousemove",o);a.bind(window,"mouseup",y);o(b)});a.addClass(this.__background,"slider");a.addClass(this.__foreground,"slider-fg");this.updateDisplay();this.__background.appendChild(this.__foreground);this.domElement.appendChild(this.__background)};b.superclass=e;b.useDefaultStyles=function(){c.inject(f)};d.extend(b.prototype,e.prototype,{updateDisplay:function(){this.__foreground.style.width= -(this.getValue()-this.__min)/(this.__max-this.__min)*100+"%";return b.superclass.prototype.updateDisplay.call(this)}});return b}(dat.controllers.NumberController,dat.dom.dom,dat.utils.css,dat.utils.common,".slider {\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\n height: 1em;\n border-radius: 1em;\n background-color: #eee;\n padding: 0 0.5em;\n overflow: hidden;\n}\n\n.slider-fg {\n padding: 1px 0 2px 0;\n background-color: #aaa;\n height: 1em;\n margin-left: -0.5em;\n padding-right: 0.5em;\n border-radius: 1em 0 0 1em;\n}\n\n.slider-fg:after {\n display: inline-block;\n border-radius: 1em;\n background-color: #fff;\n border: 1px solid #aaa;\n content: '';\n float: right;\n margin-right: -1em;\n margin-top: -1px;\n height: 0.9em;\n width: 0.9em;\n}"); -dat.controllers.FunctionController=function(e,a,c){var d=function(c,b,e){d.superclass.call(this,c,b);var h=this;this.__button=document.createElement("div");this.__button.innerHTML=e===void 0?"Fire":e;a.bind(this.__button,"click",function(a){a.preventDefault();h.fire();return false});a.addClass(this.__button,"button");this.domElement.appendChild(this.__button)};d.superclass=e;c.extend(d.prototype,e.prototype,{fire:function(){this.__onChange&&this.__onChange.call(this);this.__onFinishChange&&this.__onFinishChange.call(this, -this.getValue());this.getValue().call(this.object)}});return d}(dat.controllers.Controller,dat.dom.dom,dat.utils.common); -dat.controllers.BooleanController=function(e,a,c){var d=function(c,b){d.superclass.call(this,c,b);var e=this;this.__prev=this.getValue();this.__checkbox=document.createElement("input");this.__checkbox.setAttribute("type","checkbox");a.bind(this.__checkbox,"change",function(){e.setValue(!e.__prev)},false);this.domElement.appendChild(this.__checkbox);this.updateDisplay()};d.superclass=e;c.extend(d.prototype,e.prototype,{setValue:function(a){a=d.superclass.prototype.setValue.call(this,a);this.__onFinishChange&& -this.__onFinishChange.call(this,this.getValue());this.__prev=this.getValue();return a},updateDisplay:function(){this.getValue()===true?(this.__checkbox.setAttribute("checked","checked"),this.__checkbox.checked=true):this.__checkbox.checked=false;return d.superclass.prototype.updateDisplay.call(this)}});return d}(dat.controllers.Controller,dat.dom.dom,dat.utils.common); -dat.color.toString=function(e){return function(a){if(a.a==1||e.isUndefined(a.a)){for(a=a.hex.toString(16);a.length<6;)a="0"+a;return"#"+a}else return"rgba("+Math.round(a.r)+","+Math.round(a.g)+","+Math.round(a.b)+","+a.a+")"}}(dat.utils.common); -dat.color.interpret=function(e,a){var c,d,f=[{litmus:a.isString,conversions:{THREE_CHAR_HEX:{read:function(a){a=a.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);return a===null?false:{space:"HEX",hex:parseInt("0x"+a[1].toString()+a[1].toString()+a[2].toString()+a[2].toString()+a[3].toString()+a[3].toString())}},write:e},SIX_CHAR_HEX:{read:function(a){a=a.match(/^#([A-F0-9]{6})$/i);return a===null?false:{space:"HEX",hex:parseInt("0x"+a[1].toString())}},write:e},CSS_RGB:{read:function(a){a=a.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/); -return a===null?false:{space:"RGB",r:parseFloat(a[1]),g:parseFloat(a[2]),b:parseFloat(a[3])}},write:e},CSS_RGBA:{read:function(a){a=a.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/);return a===null?false:{space:"RGB",r:parseFloat(a[1]),g:parseFloat(a[2]),b:parseFloat(a[3]),a:parseFloat(a[4])}},write:e}}},{litmus:a.isNumber,conversions:{HEX:{read:function(a){return{space:"HEX",hex:a,conversionName:"HEX"}},write:function(a){return a.hex}}}},{litmus:a.isArray,conversions:{RGB_ARRAY:{read:function(a){return a.length!= -3?false:{space:"RGB",r:a[0],g:a[1],b:a[2]}},write:function(a){return[a.r,a.g,a.b]}},RGBA_ARRAY:{read:function(a){return a.length!=4?false:{space:"RGB",r:a[0],g:a[1],b:a[2],a:a[3]}},write:function(a){return[a.r,a.g,a.b,a.a]}}}},{litmus:a.isObject,conversions:{RGBA_OBJ:{read:function(b){return a.isNumber(b.r)&&a.isNumber(b.g)&&a.isNumber(b.b)&&a.isNumber(b.a)?{space:"RGB",r:b.r,g:b.g,b:b.b,a:b.a}:false},write:function(a){return{r:a.r,g:a.g,b:a.b,a:a.a}}},RGB_OBJ:{read:function(b){return a.isNumber(b.r)&& -a.isNumber(b.g)&&a.isNumber(b.b)?{space:"RGB",r:b.r,g:b.g,b:b.b}:false},write:function(a){return{r:a.r,g:a.g,b:a.b}}},HSVA_OBJ:{read:function(b){return a.isNumber(b.h)&&a.isNumber(b.s)&&a.isNumber(b.v)&&a.isNumber(b.a)?{space:"HSV",h:b.h,s:b.s,v:b.v,a:b.a}:false},write:function(a){return{h:a.h,s:a.s,v:a.v,a:a.a}}},HSV_OBJ:{read:function(b){return a.isNumber(b.h)&&a.isNumber(b.s)&&a.isNumber(b.v)?{space:"HSV",h:b.h,s:b.s,v:b.v}:false},write:function(a){return{h:a.h,s:a.s,v:a.v}}}}}];return function(){d= -false;var b=arguments.length>1?a.toArray(arguments):arguments[0];a.each(f,function(e){if(e.litmus(b))return a.each(e.conversions,function(e,f){c=e.read(b);if(d===false&&c!==false)return d=c,c.conversionName=f,c.conversion=e,a.BREAK}),a.BREAK});return d}}(dat.color.toString,dat.utils.common); -dat.GUI=dat.gui.GUI=function(e,a,c,d,f,b,n,h,j,m,l,o,y,g,i){function q(a,b,r,c){if(b[r]===void 0)throw Error("Object "+b+' has no property "'+r+'"');c.color?b=new l(b,r):(b=[b,r].concat(c.factoryArgs),b=d.apply(a,b));if(c.before instanceof f)c.before=c.before.__li;t(a,b);g.addClass(b.domElement,"c");r=document.createElement("span");g.addClass(r,"property-name");r.innerHTML=b.property;var e=document.createElement("div");e.appendChild(r);e.appendChild(b.domElement);c=s(a,e,c.before);g.addClass(c,k.CLASS_CONTROLLER_ROW); -g.addClass(c,typeof b.getValue());p(a,c,b);a.__controllers.push(b);return b}function s(a,b,d){var c=document.createElement("li");b&&c.appendChild(b);d?a.__ul.insertBefore(c,params.before):a.__ul.appendChild(c);a.onResize();return c}function p(a,d,c){c.__li=d;c.__gui=a;i.extend(c,{options:function(b){if(arguments.length>1)return c.remove(),q(a,c.object,c.property,{before:c.__li.nextElementSibling,factoryArgs:[i.toArray(arguments)]});if(i.isArray(b)||i.isObject(b))return c.remove(),q(a,c.object,c.property, -{before:c.__li.nextElementSibling,factoryArgs:[b]})},name:function(a){c.__li.firstElementChild.firstElementChild.innerHTML=a;return c},listen:function(){c.__gui.listen(c);return c},remove:function(){c.__gui.remove(c);return c}});if(c instanceof j){var e=new h(c.object,c.property,{min:c.__min,max:c.__max,step:c.__step});i.each(["updateDisplay","onChange","onFinishChange"],function(a){var b=c[a],H=e[a];c[a]=e[a]=function(){var a=Array.prototype.slice.call(arguments);b.apply(c,a);return H.apply(e,a)}}); -g.addClass(d,"has-slider");c.domElement.insertBefore(e.domElement,c.domElement.firstElementChild)}else if(c instanceof h){var f=function(b){return i.isNumber(c.__min)&&i.isNumber(c.__max)?(c.remove(),q(a,c.object,c.property,{before:c.__li.nextElementSibling,factoryArgs:[c.__min,c.__max,c.__step]})):b};c.min=i.compose(f,c.min);c.max=i.compose(f,c.max)}else if(c instanceof b)g.bind(d,"click",function(){g.fakeEvent(c.__checkbox,"click")}),g.bind(c.__checkbox,"click",function(a){a.stopPropagation()}); -else if(c instanceof n)g.bind(d,"click",function(){g.fakeEvent(c.__button,"click")}),g.bind(d,"mouseover",function(){g.addClass(c.__button,"hover")}),g.bind(d,"mouseout",function(){g.removeClass(c.__button,"hover")});else if(c instanceof l)g.addClass(d,"color"),c.updateDisplay=i.compose(function(a){d.style.borderLeftColor=c.__color.toString();return a},c.updateDisplay),c.updateDisplay();c.setValue=i.compose(function(b){a.getRoot().__preset_select&&c.isModified()&&B(a.getRoot(),true);return b},c.setValue)} -function t(a,b){var c=a.getRoot(),d=c.__rememberedObjects.indexOf(b.object);if(d!=-1){var e=c.__rememberedObjectIndecesToControllers[d];e===void 0&&(e={},c.__rememberedObjectIndecesToControllers[d]=e);e[b.property]=b;if(c.load&&c.load.remembered){c=c.load.remembered;if(c[a.preset])c=c[a.preset];else if(c[w])c=c[w];else return;if(c[d]&&c[d][b.property]!==void 0)d=c[d][b.property],b.initialValue=d,b.setValue(d)}}}function I(a){var b=a.__save_row=document.createElement("li");g.addClass(a.domElement, -"has-save");a.__ul.insertBefore(b,a.__ul.firstChild);g.addClass(b,"save-row");var c=document.createElement("span");c.innerHTML=" ";g.addClass(c,"button gears");var d=document.createElement("span");d.innerHTML="Save";g.addClass(d,"button");g.addClass(d,"save");var e=document.createElement("span");e.innerHTML="New";g.addClass(e,"button");g.addClass(e,"save-as");var f=document.createElement("span");f.innerHTML="Revert";g.addClass(f,"button");g.addClass(f,"revert");var m=a.__preset_select=document.createElement("select"); -a.load&&a.load.remembered?i.each(a.load.remembered,function(b,c){C(a,c,c==a.preset)}):C(a,w,false);g.bind(m,"change",function(){for(var b=0;b0){a.preset=this.preset;if(!a.remembered)a.remembered={};a.remembered[this.preset]=z(this)}a.folders={};i.each(this.__folders,function(b, -c){a.folders[c]=b.getSaveObject()});return a},save:function(){if(!this.load.remembered)this.load.remembered={};this.load.remembered[this.preset]=z(this);B(this,false)},saveAs:function(a){if(!this.load.remembered)this.load.remembered={},this.load.remembered[w]=z(this,true);this.load.remembered[a]=z(this);this.preset=a;C(this,a,true)},revert:function(a){i.each(this.__controllers,function(b){this.getRoot().load.remembered?t(a||this.getRoot(),b):b.setValue(b.initialValue)},this);i.each(this.__folders, -function(a){a.revert(a)});a||B(this.getRoot(),false)},listen:function(a){var b=this.__listening.length==0;this.__listening.push(a);b&&E(this.__listening)}});return k}(dat.utils.css,'
\n\n Here\'s the new load parameter for your GUI\'s constructor:\n\n \n\n
\n\n Automatically save\n values to localStorage on exit.\n\n
The values saved to localStorage will\n override those passed to dat.GUI\'s constructor. This makes it\n easier to work incrementally, but localStorage is fragile,\n and your friends may not see the same values you do.\n \n
\n \n
\n\n
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.slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\n", -dat.controllers.factory=function(e,a,c,d,f,b,n){return function(h,j,m,l){var o=h[j];if(n.isArray(m)||n.isObject(m))return new e(h,j,m);if(n.isNumber(o))return n.isNumber(m)&&n.isNumber(l)?new c(h,j,m,l):new a(h,j,{min:m,max:l});if(n.isString(o))return new d(h,j);if(n.isFunction(o))return new f(h,j,"");if(n.isBoolean(o))return new b(h,j)}}(dat.controllers.OptionController,dat.controllers.NumberControllerBox,dat.controllers.NumberControllerSlider,dat.controllers.StringController=function(e,a,c){var d= -function(c,b){function e(){h.setValue(h.__input.value)}d.superclass.call(this,c,b);var h=this;this.__input=document.createElement("input");this.__input.setAttribute("type","text");a.bind(this.__input,"keyup",e);a.bind(this.__input,"change",e);a.bind(this.__input,"blur",function(){h.__onFinishChange&&h.__onFinishChange.call(h,h.getValue())});a.bind(this.__input,"keydown",function(a){a.keyCode===13&&this.blur()});this.updateDisplay();this.domElement.appendChild(this.__input)};d.superclass=e;c.extend(d.prototype, -e.prototype,{updateDisplay:function(){if(!a.isActive(this.__input))this.__input.value=this.getValue();return d.superclass.prototype.updateDisplay.call(this)}});return d}(dat.controllers.Controller,dat.dom.dom,dat.utils.common),dat.controllers.FunctionController,dat.controllers.BooleanController,dat.utils.common),dat.controllers.Controller,dat.controllers.BooleanController,dat.controllers.FunctionController,dat.controllers.NumberControllerBox,dat.controllers.NumberControllerSlider,dat.controllers.OptionController, -dat.controllers.ColorController=function(e,a,c,d,f){function b(a,b,c,d){a.style.background="";f.each(j,function(e){a.style.cssText+="background: "+e+"linear-gradient("+b+", "+c+" 0%, "+d+" 100%); "})}function n(a){a.style.background="";a.style.cssText+="background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);";a.style.cssText+="background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);"; -a.style.cssText+="background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);";a.style.cssText+="background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);";a.style.cssText+="background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);"}var h=function(e,l){function o(b){q(b);a.bind(window,"mousemove",q);a.bind(window, -"mouseup",j)}function j(){a.unbind(window,"mousemove",q);a.unbind(window,"mouseup",j)}function g(){var a=d(this.value);a!==false?(p.__color.__state=a,p.setValue(p.__color.toOriginal())):this.value=p.__color.toString()}function i(){a.unbind(window,"mousemove",s);a.unbind(window,"mouseup",i)}function q(b){b.preventDefault();var c=a.getWidth(p.__saturation_field),d=a.getOffset(p.__saturation_field),e=(b.clientX-d.left+document.body.scrollLeft)/c,b=1-(b.clientY-d.top+document.body.scrollTop)/c;b>1?b= -1:b<0&&(b=0);e>1?e=1:e<0&&(e=0);p.__color.v=b;p.__color.s=e;p.setValue(p.__color.toOriginal());return false}function s(b){b.preventDefault();var c=a.getHeight(p.__hue_field),d=a.getOffset(p.__hue_field),b=1-(b.clientY-d.top+document.body.scrollTop)/c;b>1?b=1:b<0&&(b=0);p.__color.h=b*360;p.setValue(p.__color.toOriginal());return false}h.superclass.call(this,e,l);this.__color=new c(this.getValue());this.__temp=new c(0);var p=this;this.domElement=document.createElement("div");a.makeSelectable(this.domElement, -false);this.__selector=document.createElement("div");this.__selector.className="selector";this.__saturation_field=document.createElement("div");this.__saturation_field.className="saturation-field";this.__field_knob=document.createElement("div");this.__field_knob.className="field-knob";this.__field_knob_border="2px solid ";this.__hue_knob=document.createElement("div");this.__hue_knob.className="hue-knob";this.__hue_field=document.createElement("div");this.__hue_field.className="hue-field";this.__input= -document.createElement("input");this.__input.type="text";this.__input_textShadow="0 1px 1px ";a.bind(this.__input,"keydown",function(a){a.keyCode===13&&g.call(this)});a.bind(this.__input,"blur",g);a.bind(this.__selector,"mousedown",function(){a.addClass(this,"drag").bind(window,"mouseup",function(){a.removeClass(p.__selector,"drag")})});var t=document.createElement("div");f.extend(this.__selector.style,{width:"122px",height:"102px",padding:"3px",backgroundColor:"#222",boxShadow:"0px 1px 3px rgba(0,0,0,0.3)"}); -f.extend(this.__field_knob.style,{position:"absolute",width:"12px",height:"12px",border:this.__field_knob_border+(this.__color.v<0.5?"#fff":"#000"),boxShadow:"0px 1px 3px rgba(0,0,0,0.5)",borderRadius:"12px",zIndex:1});f.extend(this.__hue_knob.style,{position:"absolute",width:"15px",height:"2px",borderRight:"4px solid #fff",zIndex:1});f.extend(this.__saturation_field.style,{width:"100px",height:"100px",border:"1px solid #555",marginRight:"3px",display:"inline-block",cursor:"pointer"});f.extend(t.style, -{width:"100%",height:"100%",background:"none"});b(t,"top","rgba(0,0,0,0)","#000");f.extend(this.__hue_field.style,{width:"15px",height:"100px",display:"inline-block",border:"1px solid #555",cursor:"ns-resize"});n(this.__hue_field);f.extend(this.__input.style,{outline:"none",textAlign:"center",color:"#fff",border:0,fontWeight:"bold",textShadow:this.__input_textShadow+"rgba(0,0,0,0.7)"});a.bind(this.__saturation_field,"mousedown",o);a.bind(this.__field_knob,"mousedown",o);a.bind(this.__hue_field,"mousedown", -function(b){s(b);a.bind(window,"mousemove",s);a.bind(window,"mouseup",i)});this.__saturation_field.appendChild(t);this.__selector.appendChild(this.__field_knob);this.__selector.appendChild(this.__saturation_field);this.__selector.appendChild(this.__hue_field);this.__hue_field.appendChild(this.__hue_knob);this.domElement.appendChild(this.__input);this.domElement.appendChild(this.__selector);this.updateDisplay()};h.superclass=e;f.extend(h.prototype,e.prototype,{updateDisplay:function(){var a=d(this.getValue()); -if(a!==false){var e=false;f.each(c.COMPONENTS,function(b){if(!f.isUndefined(a[b])&&!f.isUndefined(this.__color.__state[b])&&a[b]!==this.__color.__state[b])return e=true,{}},this);e&&f.extend(this.__color.__state,a)}f.extend(this.__temp.__state,this.__color.__state);this.__temp.a=1;var h=this.__color.v<0.5||this.__color.s>0.5?255:0,j=255-h;f.extend(this.__field_knob.style,{marginLeft:100*this.__color.s-7+"px",marginTop:100*(1-this.__color.v)-7+"px",backgroundColor:this.__temp.toString(),border:this.__field_knob_border+ -"rgb("+h+","+h+","+h+")"});this.__hue_knob.style.marginTop=(1-this.__color.h/360)*100+"px";this.__temp.s=1;this.__temp.v=1;b(this.__saturation_field,"left","#fff",this.__temp.toString());f.extend(this.__input.style,{backgroundColor:this.__input.value=this.__color.toString(),color:"rgb("+h+","+h+","+h+")",textShadow:this.__input_textShadow+"rgba("+j+","+j+","+j+",.7)"})}});var j=["-moz-","-o-","-webkit-","-ms-",""];return h}(dat.controllers.Controller,dat.dom.dom,dat.color.Color=function(e,a,c,d){function f(a, -b,c){Object.defineProperty(a,b,{get:function(){if(this.__state.space==="RGB")return this.__state[b];n(this,b,c);return this.__state[b]},set:function(a){if(this.__state.space!=="RGB")n(this,b,c),this.__state.space="RGB";this.__state[b]=a}})}function b(a,b){Object.defineProperty(a,b,{get:function(){if(this.__state.space==="HSV")return this.__state[b];h(this);return this.__state[b]},set:function(a){if(this.__state.space!=="HSV")h(this),this.__state.space="HSV";this.__state[b]=a}})}function n(b,c,e){if(b.__state.space=== -"HEX")b.__state[c]=a.component_from_hex(b.__state.hex,e);else if(b.__state.space==="HSV")d.extend(b.__state,a.hsv_to_rgb(b.__state.h,b.__state.s,b.__state.v));else throw"Corrupted color state";}function h(b){var c=a.rgb_to_hsv(b.r,b.g,b.b);d.extend(b.__state,{s:c.s,v:c.v});if(d.isNaN(c.h)){if(d.isUndefined(b.__state.h))b.__state.h=0}else b.__state.h=c.h}var j=function(){this.__state=e.apply(this,arguments);if(this.__state===false)throw"Failed to interpret color arguments";this.__state.a=this.__state.a|| -1};j.COMPONENTS="r,g,b,h,s,v,hex,a".split(",");d.extend(j.prototype,{toString:function(){return c(this)},toOriginal:function(){return this.__state.conversion.write(this)}});f(j.prototype,"r",2);f(j.prototype,"g",1);f(j.prototype,"b",0);b(j.prototype,"h");b(j.prototype,"s");b(j.prototype,"v");Object.defineProperty(j.prototype,"a",{get:function(){return this.__state.a},set:function(a){this.__state.a=a}});Object.defineProperty(j.prototype,"hex",{get:function(){if(!this.__state.space!=="HEX")this.__state.hex= -a.rgb_to_hex(this.r,this.g,this.b);return this.__state.hex},set:function(a){this.__state.space="HEX";this.__state.hex=a}});return j}(dat.color.interpret,dat.color.math=function(){var e;return{hsv_to_rgb:function(a,c,d){var e=a/60-Math.floor(a/60),b=d*(1-c),n=d*(1-e*c),c=d*(1-(1-e)*c),a=[[d,c,b],[n,d,b],[b,d,c],[b,n,d],[c,b,d],[d,b,n]][Math.floor(a/60)%6];return{r:a[0]*255,g:a[1]*255,b:a[2]*255}},rgb_to_hsv:function(a,c,d){var e=Math.min(a,c,d),b=Math.max(a,c,d),e=b-e;if(b==0)return{h:NaN,s:0,v:0}; -a=a==b?(c-d)/e:c==b?2+(d-a)/e:4+(a-c)/e;a/=6;a<0&&(a+=1);return{h:a*360,s:e/b,v:b/255}},rgb_to_hex:function(a,c,d){a=this.hex_with_component(0,2,a);a=this.hex_with_component(a,1,c);return a=this.hex_with_component(a,0,d)},component_from_hex:function(a,c){return a>>c*8&255},hex_with_component:function(a,c,d){return d<<(e=c*8)|a&~(255<Searches the given scene depth-first for a {@link SceneJS.Lookat} and inserts one at the root if not found.

- *

Converts mouse events on the scene's canvas into orbit and zoom updates.

- * @param {SceneJS.Scene} scene Scene graph to control - * @param {*} options Control options - * @constructor - */ -SceneJS.OrbitControls = function (scene, options) { - - options = options || {}; - - var yaw = options.yaw || 0; - var pitch = options.pitch || 0; - var zoom = options.zoom || 10; - var zoomSensitivity = options.zoomSensitivity || 1.0; - - var lastX; - var lastY; - var dragging = false; - - var lookatNode; - - // Find lookat node - scene.eachNode( - function () { - if (this.get("type") == "lookAt") { - lookatNode = this; - return true; - } - }, { - depthFirst:true - }); - - // Insert lookat node if not found - if (!lookatNode) { - lookatNode = scene.insertNode({ - type:"lookAt" - }); - } - - var eye = options.eye || { x:0, y:0, z:0 }; - var look = options.look || { x:0, y:0, z:0}; - - lookatNode.set({ - eye:{ x:eye.x, y:eye.y, z:-zoom }, - look:{ x:look.x, y:look.y, z:look.z }, - up:{ x:0, y:1, z:0 } - }); - - update(); - - var canvas = scene.getCanvas(); - - canvas.addEventListener('mousedown', mouseDown, true); - canvas.addEventListener('mousemove', mouseMove, true); - canvas.addEventListener('mouseup', mouseUp, true); - canvas.addEventListener('touchstart', touchStart, true); - canvas.addEventListener('touchmove', touchMove, true); - canvas.addEventListener('touchend', touchEnd, true); - canvas.addEventListener('mousewheel', mouseWheel, true); - canvas.addEventListener('DOMMouseScroll', mouseWheel, true); - - function mouseDown(event) { - lastX = event.clientX; - lastY = event.clientY; - dragging = true; - } - - function touchStart(event) { - lastX = event.targetTouches[0].clientX; - lastY = event.targetTouches[0].clientY; - dragging = true; - } - - function mouseUp() { - dragging = false; - } - - function touchEnd() { - dragging = false; - } - - function mouseMove(event) { - var posX = event.clientX; - var posY = event.clientY; - actionMove(posX, posY); - } - - function touchMove(event) { - var posX = event.targetTouches[0].clientX; - var posY = event.targetTouches[0].clientY; - actionMove(posX, posY); - } - - function actionMove(posX, posY) { - if (dragging) { - - yaw -= (posX - lastX) * 0.1; - pitch -= (posY - lastY) * 0.1; - - update(); - - lastX = posX; - lastY = posY; - } - } - - function mouseWheel(event) { - var delta = 0; - if (!event) event = window.event; - if (event.wheelDelta) { - delta = event.wheelDelta / 120; - if (window.opera) delta = -delta; - } else if (event.detail) { - delta = -event.detail / 3; - } - if (delta) { - if (delta < 0) { - zoom -= zoomSensitivity; - } else { - zoom += zoomSensitivity; - } - } - if (event.preventDefault) { - event.preventDefault(); - } - event.returnValue = false; - update(); - - } - - function update() { - - var eye = [0, 0, zoom]; - var look = [0, 0, 0]; - var up = [0, 1, 0]; - - var eyeVec = SceneJS_math_subVec3(eye, look, []); - var axis = SceneJS_math_cross3Vec3(up, eyeVec, []); - - var pitchMat = SceneJS_math_rotationMat4v(pitch * 0.0174532925, axis); - var yawMat = SceneJS_math_rotationMat4v(yaw * 0.0174532925, up); - - - var eye3 = SceneJS_math_transformPoint3(pitchMat, eye); - eye3 = SceneJS_math_transformPoint3(yawMat, eye3); - - lookatNode.setEye({x:eye3[0], y:eye3[1], z:eye3[2] }); - } - -}; \ No newline at end of file diff --git a/api/dev/extras/pickControl.js b/api/dev/extras/pickControl.js deleted file mode 100644 index 06cc8ba4..00000000 --- a/api/dev/extras/pickControl.js +++ /dev/null @@ -1,47 +0,0 @@ -/** - * @class Mouse control to pick scene objects. - * @param {SceneJS.Scene} scene Scene graph to control - * @param {*} options Control options - * @constructor - */ -SceneJS.PickControls = function (scene, options) { - - options = options || {}; - - var canvas = scene.getCanvas(); - - canvas.addEventListener('mousedown', mouseDown, true); - canvas.addEventListener('mouseup', mouseUp, true); - canvas.addEventListener('touchstart', touchStart, true); - canvas.addEventListener('touchend', touchEnd, true); - - var lastX; - var lastY; - var dragging; - - function mouseDown(event) { - lastX = event.clientX; - lastY = event.clientY; - dragging = true; - } - - function touchStart(event) { - lastX = event.targetTouches[0].clientX; - lastY = event.targetTouches[0].clientY; - dragging = true; - } - - function mouseUp(event) { - if (dragging) { - scene.pick(event.clientX, event.clientY); - } - dragging = false; - } - - function touchEnd() { - if (dragging) { - scene.pick(event.targetTouches[0].clientX, event.targetTouches[0].clientY); - } - dragging = false; - } -}; \ No newline at end of file diff --git a/api/dev/plugins/geometry/box.js b/api/dev/plugins/geometry/box.js deleted file mode 100644 index 4391e768..00000000 --- a/api/dev/plugins/geometry/box.js +++ /dev/null @@ -1,72 +0,0 @@ -SceneJS.Plugins.addPlugin( - - "geometry", // Node type - "box", // Plugin type - - new (function () { - - this.getSource = function () { - var publish; - return { - subscribe:function (fn) { - publish = fn; - }, - configure:function (cfg) { - publish(build(cfg)); - } - }; - }; - - function build(cfg) { - - var x = cfg.xSize || 1; - var y = cfg.ySize || 1; - var z = cfg.zSize || 1; - - var positions = [ - x, y, z, -x, y, z, -x, -y, z, x, -y, z, // v0-v1-v2-v3 front - x, y, z, x, -y, z, x, -y, -z, x, y, -z, // v0-v3-v4-v5 right - x, y, z, x, y, -z, -x, y, -z, -x, y, z, // v0-v5-v6-v1 top - -x, y, z, -x, y, -z, -x, -y, -z, -x, -y, z, // v1-v6-v7-v2 left - -x, -y, -z, x, -y, -z, x, -y, z, -x, -y, z, // v7-v4-v3-v2 bottom - x, -y, -z, -x, -y, -z, -x, y, -z, x, y, -z // v4-v7-v6-v5 back - ]; - - var normals = [ - 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, // v0-v1-v2-v3 front - 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, // v0-v3-v4-v5 right - 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, // v0-v5-v6-v1 top - -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, // v1-v6-v7-v2 left - 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, // v7-v4-v3-v2 bottom - 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1 // v4-v7-v6-v5 back - ]; - - var uv = [ - x, y, 0, y, 0, 0, x, 0, // v0-v1-v2-v3 front - 0, y, 0, 0, x, 0, x, y, // v0-v3-v4-v5 right - x, 0, x, y, 0, y, 0, 0, // v0-v5-v6-v1 top - x, y, 0, y, 0, 0, x, 0, // v1-v6-v7-v2 left - 0, 0, x, 0, x, y, 0, y, // v7-v4-v3-v2 bottom - 0, 0, x, 0, x, y, 0, y - ]; // v4-v7-v6-v5 back - - var indices = [ - 0, 1, 2, 0, 2, 3, // front - 4, 5, 6, 4, 6, 7, // right - 8, 9, 10, 8, 10, 11, // top - 12, 13, 14, 12, 14, 15, // left - 16, 17, 18, 16, 18, 19, // bottom - 20, 21, 22, 20, 22, 23 - ]; // back - - return { - primitive:cfg.wire ? "lines" : "triangles", - coreId:"box_" + x + "_" + y + "_" + z + (cfg.wire ? "wire" : "_solid"), - positions:new Float32Array(positions), - normals:new Float32Array(normals), - uv:new Float32Array(uv), - indices:new Uint16Array(indices) - }; - } - - })()); diff --git a/api/dev/plugins/geometry/plane.js b/api/dev/plugins/geometry/plane.js deleted file mode 100644 index 520641e1..00000000 --- a/api/dev/plugins/geometry/plane.js +++ /dev/null @@ -1,126 +0,0 @@ -/* - * Based on PlaneGeometry by Mr. Doob - */ -SceneJS.Plugins.addPlugin( - - "geometry", // Node type - "plane", - - new (function () { - - this.getSource = function () { - var publish; - return { - subscribe:function (fn) { - publish = fn; - }, - configure:function (cfg) { - publish(build(cfg)); - } - }; - }; - - function build(cfg) { - - var positions = []; - var normals = []; - var uvs = []; - var indices = []; - - var width = cfg.width || 1.0; - var height = cfg.height || 1.0; - - var widthSegments = cfg.widthSegments || 1; - var heightSegments = cfg.heightSegments || 1; - - var coreId = "plane_" + (cfg.wire == true ? "wire_" : "") + height + "_" + widthSegments + "_" + heightSegments; - - var ix, iz; - var halfWidth = width / 2; - var halfHeight = height / 2; - - var gridX = widthSegments; - var gridZ = heightSegments; - - var gridX1 = gridX + 1; - var gridZ1 = gridZ + 1; - - var segWidth = width / gridX; - var segHeight = height / gridZ; - - var x; - var y; - - for (iz = 0; iz < gridZ1; iz++) { - for (ix = 0; ix < gridX1; ix++) { - - x = ix * segWidth - halfWidth; - y = iz * segHeight - halfHeight; - - positions.push(x); - positions.push(-y); - positions.push(0); - - normals.push(0); - normals.push(0); - normals.push(1); - } - } - - var a; - var b; - var c; - var d; - - for (iz = 0; iz < gridZ; iz++) { - for (ix = 0; ix < gridX; ix++) { - - a = ix + gridX1 * iz; - b = ix + gridX1 * ( iz + 1 ); - c = ( ix + 1 ) + gridX1 * ( iz + 1 ); - d = ( ix + 1 ) + gridX1 * iz; - - indices.push(a); - indices.push(b); - indices.push(c); - - indices.push(c); - indices.push(d); - indices.push(a); - - // a - uvs.push(ix / gridX); - uvs.push(1 - iz / gridZ); - - //b - uvs.push(ix / gridX); - uvs.push(1 - ( iz + 1 ) / gridZ); - - //c - uvs.push(( ix + 1 ) / gridX); - uvs.push(1 - ( iz + 1 ) / gridZ); - - //c - uvs.push(( ix + 1 ) / gridX); - uvs.push(1 - ( iz + 1 ) / gridZ); - - //d - uvs.push(( ix + 1 ) / gridX, 1 - iz / gridZ); - uvs.push(1 - iz / gridZ); - - //a - uvs.push(ix / gridX); - uvs.push(1 - iz / gridZ); - } - } - - return { - primitive:cfg.wire ? "lines" : "triangles", - coreId:coreId, - positions:new Float32Array(positions), - normals:new Float32Array(normals), - uv:new Float32Array(uvs), - indices:new Uint16Array(indices) - }; - } - })()); diff --git a/api/dev/plugins/geometry/quad.js b/api/dev/plugins/geometry/quad.js deleted file mode 100644 index 95e3259a..00000000 --- a/api/dev/plugins/geometry/quad.js +++ /dev/null @@ -1,37 +0,0 @@ -SceneJS.Plugins.addPlugin( - - "geometry", // Node type - "quad", - - new (function () { - - this.getSource = function () { - var publish; - return { - subscribe:function (fn) { - publish = fn; - }, - configure:function (cfg) { - publish(build(cfg)); - } - }; - }; - - function build(cfg) { - - var positions = [ 1, 1, 0, -1, 1, 0, -1, -1, 0, 1, -1, 0 ]; - var normals = [ -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0 ]; - var uv = [ 1, 1, 0, 1, 0, 0, 1, 0 ]; - var indices = [ 0, 1, 2, 0, 2, 3 ]; - - return { - primitive:cfg.wire ? "lines" : "triangles", - coreId:"quad" + (cfg.wire ? "wire" : "_solid"), - positions:new Float32Array(positions), - normals:new Float32Array(normals), - uv:new Float32Array(uv), - indices:new Uint16Array(indices) - }; - } - - })()); diff --git a/api/dev/plugins/geometry/skybox.js b/api/dev/plugins/geometry/skybox.js deleted file mode 100644 index 6341c43c..00000000 --- a/api/dev/plugins/geometry/skybox.js +++ /dev/null @@ -1,86 +0,0 @@ -SceneJS.Plugins.addPlugin( - - "geometry", // Node type - "skybox", // Plugin type - - new (function () { - - this.getSource = function () { - var publish; - return { - subscribe:function (fn) { - publish = fn; - }, - configure:function (cfg) { - publish(build(cfg)); - } - }; - }; - - function build(cfg) { - - var x = cfg.xSize || 1; - var y = cfg.ySize || 1; - var z = cfg.zSize || 1; - - var positions = [ - x, y, z, -x, y, z, -x, -y, z, x, -y, z, // v0-v1-v2-v3 front - x, y, z, x, -y, z, x, -y, -z, x, y, -z, // v0-v3-v4-v5 right - x, y, z, x, y, -z, -x, y, -z, -x, y, z, // v0-v5-v6-v1 top - -x, y, z, -x, y, -z, -x, -y, -z, -x, -y, z, // v1-v6-v7-v2 left - -x, -y, -z, x, -y, -z, x, -y, z, -x, -y, z, // v7-v4-v3-v2 bottom - x, -y, -z, -x, -y, -z, -x, y, -z, x, y, -z // v4-v7-v6-v5 back - ]; - - var uv = [ - 0.5, 0.6666, - 0.25, 0.6666, - 0.25, 0.3333, - 0.5, 0.3333, - 0.5, 0.6666, - 0.5, 0.3333, - 0.75, 0.3333, - 0.75, 0.6666, - 0.5, 0.6666, - 0.5, 1, - 0.25, 1, - 0.25, 0.6666, - 0.25, 0.6666, - 0.0, 0.6666, - 0.0, 0.3333, - 0.25, 0.3333, - 0.50, 0, - 0.25, 0, - 0.25, 0.3333, - 0.50, 0.3333, - 0.75, 0.3333, - 1.0, 0.3333, - 1.0, 0.6666, - 0.75, 0.6666 - ]; - - var indices = [ - 0, 1, 2, - 0, 2, 3, - 4, 5, 6, - 4, 6, 7, - 8, 9, 10, - 8, 10, 11, - 12, 13, 14, - 12, 14, 15, - 16, 17, 18, - 16, 18, 19, - 20, 21, 22, - 20, 22, 23 - ]; - - return { - primitive:"triangles", - coreId:"skybox_" + x + "_" + y + "_" + z, - positions:new Float32Array(positions), - uv:new Float32Array(uv), - indices:new Uint16Array(indices) - }; - } - - })()); diff --git a/api/dev/plugins/geometry/sphere.js b/api/dev/plugins/geometry/sphere.js deleted file mode 100644 index 4a808878..00000000 --- a/api/dev/plugins/geometry/sphere.js +++ /dev/null @@ -1,82 +0,0 @@ -SceneJS.Plugins.addPlugin( - - "geometry", // Node type - "sphere", - - new (function() { - - this.getSource = function () { - var publish; - return { - subscribe:function (fn) { - publish = fn; - }, - configure:function (cfg) { - publish(build(cfg)); - } - }; - }; - - function build(cfg) { - - // Thanks awfully to: http://learningwebgl.com/cookbook/index.php/How_to_draw_a_sphere - - var latitudeBands = cfg.latitudeBands || 30; - var longitudeBands = cfg.longitudeBands || 30; - var radius = cfg.radius || 2; - - var positions = []; - var normals = []; - var uvs = []; - for (var latNumber = 0; latNumber <= latitudeBands; latNumber++) { - var theta = latNumber * Math.PI / latitudeBands; - var sinTheta = Math.sin(theta); - var cosTheta = Math.cos(theta); - - for (var longNumber = 0; longNumber <= longitudeBands; longNumber++) { - var phi = longNumber * 2 * Math.PI / longitudeBands; - var sinPhi = Math.sin(phi); - var cosPhi = Math.cos(phi); - - var x = cosPhi * sinTheta; - var y = cosTheta; - var z = sinPhi * sinTheta; - var u = 1- (longNumber / longitudeBands); - var v = latNumber / latitudeBands; - - normals.push(x); - normals.push(y); - normals.push(z); - uvs.push(u); - uvs.push(v); - positions.push(radius * x); - positions.push(radius * y); - positions.push(radius * z); - } - } - - var indices = []; - for (var latNumber = 0; latNumber < latitudeBands; latNumber++) { - for (var longNumber = 0; longNumber < longitudeBands; longNumber++) { - var first = (latNumber * (longitudeBands + 1)) + longNumber; - var second = first + longitudeBands + 1; - indices.push(first); - indices.push(second); - indices.push(first + 1); - - indices.push(second); - indices.push(second + 1); - indices.push(first + 1); - } - } - - return { - primitive:cfg.wire ? "lines" : "triangles", - coreId : "sphere_" + (cfg.wire ? "wire" : "_solid") + radius + "_" + longitudeBands + "_" + latitudeBands, - positions : new Float32Array(positions), - normals: new Float32Array(normals), - uv : new Float32Array(uvs), - indices : new Uint16Array(indices) - }; - } - })()); diff --git a/api/dev/plugins/geometry/teapot.js b/api/dev/plugins/geometry/teapot.js deleted file mode 100644 index 0445e93c..00000000 --- a/api/dev/plugins/geometry/teapot.js +++ /dev/null @@ -1,5853 +0,0 @@ -SceneJS.Plugins.addPlugin( - - "geometry", // Node type - "teapot", - - new (function () { - - // Geometry and texture plugins return a factory object (AKA "source") which - // creates data for their subscriber nodes. - // - this.getSource = function () { - var publish; - return { - - // Through this method, the geometry node subscribes to the mesh data created by this source. - // - // BTW, although not done by this plugin, some plugins may dynamically update the mesh data, - // ie. to push new mesh data into the geometry node. In that case, the callback will be called - // each time some new mesh data is available. - // - subscribe:function (callback) { - publish = callback; - }, - - // Through this method, the geometry node (re)configures the source. In this example that - // causes a new mesh to be generated and published. - // - // This method is also called as a result of updating the geometry's 'source' attribute, eg: - // - // myGeometry.setSource({ - // // ..new configuration properties for plugin.. - // }); - // - configure:function (cfg) { - publish(build(cfg)); - } - }; - }; - - function build(cfg) { - var positions = [ - [-3.000000, 1.650000, 0.000000], - [-2.987110, 1.650000, -0.098438], - [-2.987110, 1.650000, 0.098438], - [-2.985380, 1.567320, -0.049219], - [-2.985380, 1.567320, 0.049219], - [-2.983500, 1.483080, 0.000000], - [-2.981890, 1.723470, -0.049219], - [-2.981890, 1.723470, 0.049219], - [-2.976560, 1.798530, 0.000000], - [-2.970900, 1.486210, -0.098438], - [-2.970900, 1.486210, 0.098438], - [-2.963880, 1.795340, -0.098438], - [-2.963880, 1.795340, 0.098438], - [-2.962210, 1.570170, -0.133594], - [-2.962210, 1.570170, 0.133594], - [-2.958640, 1.720570, -0.133594], - [-2.958640, 1.720570, 0.133594], - [-2.953130, 1.650000, -0.168750], - [-2.953130, 1.650000, 0.168750], - [-2.952470, 1.403740, -0.049219], - [-2.952470, 1.403740, 0.049219], - [-2.937700, 1.494470, -0.168750], - [-2.937700, 1.494470, 0.168750], - [-2.935230, 1.852150, -0.049219], - [-2.935230, 1.852150, 0.049219], - [-2.933590, 1.320120, 0.000000], - [-2.930450, 1.786930, -0.168750], - [-2.930450, 1.786930, 0.168750], - [-2.930370, 1.411500, -0.133594], - [-2.930370, 1.411500, 0.133594], - [-2.921880, 1.325530, -0.098438], - [-2.921880, 1.325530, 0.098438], - [-2.912780, 1.844170, -0.133594], - [-2.912780, 1.844170, 0.133594], - [-2.906250, 1.910160, 0.000000], - [-2.894230, 1.904570, -0.098438], - [-2.894230, 1.904570, 0.098438], - [-2.891380, 1.579100, -0.196875], - [-2.891380, 1.579100, 0.196875], - [-2.890990, 1.339800, -0.168750], - [-2.890990, 1.339800, 0.168750], - [-2.890650, 1.712080, -0.196875], - [-2.890650, 1.712080, 0.196875], - [-2.883460, 1.245790, -0.048343], - [-2.883460, 1.245790, 0.048343], - [-2.863460, 1.257130, -0.132718], - [-2.863460, 1.257130, 0.132718], - [-2.862660, 1.434830, -0.196875], - [-2.862660, 1.434830, 0.196875], - [-2.862550, 1.889830, -0.168750], - [-2.862550, 1.889830, 0.168750], - [-2.850000, 1.650000, -0.225000], - [-2.850000, 1.650000, 0.225000], - [-2.849710, 1.161550, 0.000000], - [-2.847100, 1.820820, -0.196875], - [-2.847100, 1.820820, 0.196875], - [-2.841940, 1.946920, -0.049219], - [-2.841940, 1.946920, 0.049219], - [-2.829000, 1.761400, -0.225000], - [-2.829000, 1.761400, 0.225000], - [-2.828670, 1.175980, -0.094933], - [-2.828670, 1.175980, 0.094933], - [-2.824700, 1.521940, -0.225000], - [-2.824700, 1.521940, 0.225000], - [-2.821150, 1.935200, -0.133594], - [-2.821150, 1.935200, 0.133594], - [-2.812310, 1.187190, -0.168750], - [-2.812310, 1.187190, 0.168750], - [-2.805010, 1.289970, -0.196875], - [-2.805010, 1.289970, 0.196875], - [-2.797270, 1.383110, -0.225000], - [-2.797270, 1.383110, 0.225000], - [-2.789060, 1.990140, 0.000000], - [-2.788360, 1.699320, -0.196875], - [-2.788360, 1.699320, 0.196875], - [-2.778210, 1.982830, -0.098438], - [-2.778210, 1.982830, 0.098438], - [-2.774420, 1.527380, -0.196875], - [-2.774420, 1.527380, 0.196875], - [-2.773560, 1.098600, -0.084375], - [-2.773560, 1.098600, 0.084375], - [-2.766410, 1.845120, -0.225000], - [-2.766410, 1.845120, 0.225000], - [-2.760340, 1.900900, -0.196875], - [-2.760340, 1.900900, 0.196875], - [-2.749600, 1.963560, -0.168750], - [-2.749600, 1.963560, 0.168750], - [-2.748310, 1.785700, -0.196875], - [-2.748310, 1.785700, 0.196875], - [-2.746880, 1.650000, -0.168750], - [-2.746880, 1.650000, 0.168750], - [-2.731250, 1.007810, 0.000000], - [-2.727560, 1.735870, -0.168750], - [-2.727560, 1.735870, 0.168750], - [-2.720360, 1.690830, -0.133594], - [-2.720360, 1.690830, 0.133594], - [-2.719480, 1.249770, -0.225000], - [-2.719480, 1.249770, 0.225000], - [-2.716780, 1.144680, -0.196875], - [-2.716780, 1.144680, 0.196875], - [-2.712890, 1.650000, -0.098438], - [-2.712890, 1.650000, 0.098438], - [-2.708990, 1.541770, -0.133594], - [-2.708990, 1.541770, 0.133594], - [-2.703540, 1.426410, -0.168750], - [-2.703540, 1.426410, 0.168750], - [-2.700980, 1.037840, -0.168750], - [-2.700980, 1.037840, 0.168750], - [-2.700000, 1.650000, 0.000000], - [-2.699650, 2.010790, -0.048346], - [-2.699650, 2.010790, 0.048346], - [-2.697120, 1.687930, -0.049219], - [-2.697120, 1.687930, 0.049219], - [-2.694130, 1.727460, -0.098438], - [-2.694130, 1.727460, 0.098438], - [-2.686620, 1.546690, -0.049219], - [-2.686620, 1.546690, 0.049219], - [-2.682630, 1.762350, -0.133594], - [-2.682630, 1.762350, 0.133594], - [-2.681480, 1.996460, -0.132721], - [-2.681480, 1.996460, 0.132721], - [-2.681440, 1.724270, 0.000000], - [-2.675740, 1.270850, -0.196875], - [-2.675740, 1.270850, 0.196875], - [-2.672650, 1.440680, -0.098438], - [-2.672650, 1.440680, 0.098438], - [-2.670260, 1.800400, -0.168750], - [-2.670260, 1.800400, 0.168750], - [-2.667800, 1.846230, -0.196875], - [-2.667800, 1.846230, 0.196875], - [-2.662790, 1.905100, -0.225000], - [-2.662790, 1.905100, 0.225000], - [-2.660940, 1.446090, 0.000000], - [-2.660180, 1.754370, -0.049219], - [-2.660180, 1.754370, 0.049219], - [-2.638580, 1.785670, -0.098438], - [-2.638580, 1.785670, 0.098438], - [-2.634380, 1.103910, -0.225000], - [-2.634380, 1.103910, 0.225000], - [-2.630740, 1.956740, -0.196875], - [-2.630740, 1.956740, 0.196875], - [-2.626560, 1.780080, 0.000000], - [-2.625000, 2.043750, 0.000000], - [-2.624640, 1.305020, -0.132813], - [-2.624640, 1.305020, 0.132813], - [-2.606420, 1.317450, -0.048438], - [-2.606420, 1.317450, 0.048438], - [-2.606320, 2.026440, -0.094945], - [-2.606320, 2.026440, 0.094945], - [-2.591800, 2.012990, -0.168750], - [-2.591800, 2.012990, 0.168750], - [-2.571730, 1.834290, -0.168750], - [-2.571730, 1.834290, 0.168750], - [-2.567770, 1.169970, -0.168750], - [-2.567770, 1.169970, 0.168750], - [-2.554600, 1.183040, -0.095315], - [-2.554600, 1.183040, 0.095315], - [-2.549750, 1.890590, -0.196875], - [-2.549750, 1.890590, 0.196875], - [-2.549540, 0.878984, -0.084375], - [-2.549540, 0.878984, 0.084375], - [-2.546430, 1.831970, -0.132721], - [-2.546430, 1.831970, 0.132721], - 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[439, 452, 466], - [478, 439, 466], - [507, 485, 479], - [476, 507, 479], - [452, 476, 479], - [485, 452, 479], - [452, 439, 435], - [431, 452, 435], - [420, 431, 435], - [439, 420, 435], - [476, 452, 458], - [464, 476, 458], - [431, 464, 458], - [452, 431, 458], - [539, 507, 515], - [519, 539, 515], - [476, 519, 515], - [507, 476, 515], - [576, 539, 549], - [559, 576, 549], - [519, 559, 549], - [539, 519, 549], - [519, 476, 489], - [501, 519, 489], - [464, 501, 489], - [476, 464, 489], - [559, 519, 529], - [553, 559, 529], - [501, 553, 529], - [519, 501, 529], - [680, 648, 632], - [628, 680, 632], - [576, 628, 632], - [648, 576, 632], - [730, 680, 678], - [685, 730, 678], - [628, 685, 678], - [680, 628, 678], - [821, 730, 746], - [776, 821, 746], - [685, 776, 746], - [730, 685, 746], - [934, 821, 866], - [930, 934, 866], - [776, 930, 866], - [821, 776, 866], - [628, 576, 598], - [614, 628, 598], - [559, 614, 598], - [576, 559, 598], - [685, 628, 652], - [674, 685, 652], - [614, 674, 652], - [628, 614, 652], - [614, 559, 580], - [610, 614, 580], - [553, 610, 580], - [559, 553, 580], - [674, 614, 636], - [668, 674, 636], - [610, 668, 636], - [614, 610, 636], - [776, 685, 716], - [768, 776, 716], - [674, 768, 716], - [685, 674, 716], - [930, 776, 858], - [924, 930, 858], - [768, 924, 858], - [776, 768, 858], - [768, 674, 709], - [764, 768, 709], - [668, 764, 709], - [674, 668, 709], - [924, 768, 854], - [920, 924, 854], - [764, 920, 854], - [768, 764, 854], - [977, 938, 965], - [1042, 977, 965], - [936, 1042, 965], - [938, 936, 965], - [1009, 977, 1044], - [1125, 1009, 1044], - [1042, 1125, 1044], - [977, 1042, 1044], - [981, 936, 967], - [1032, 981, 967], - [934, 1032, 967], - [936, 934, 967], - [1042, 981, 1054], - [1123, 1042, 1054], - [1032, 1123, 1054], - [981, 1032, 1054], - [1083, 1042, 1111], - [1173, 1083, 1111], - [1123, 1173, 1111], - [1042, 1123, 1111], - [1125, 1083, 1152], - [1205, 1125, 1152], - [1173, 1205, 1152], - [1083, 1173, 1152], - [1048, 1009, 1091], - [1160, 1048, 1091], - [1125, 1160, 1091], - [1009, 1125, 1091], - [1063, 1048, 1119], - [1170, 1063, 1119], - [1160, 1170, 1119], - [1048, 1160, 1119], - [1140, 1125, 1177], - [1233, 1140, 1177], - [1205, 1233, 1177], - [1125, 1205, 1177], - [1160, 1140, 1195], - [1249, 1160, 1195], - [1233, 1249, 1195], - [1140, 1233, 1195], - [1164, 1160, 1215], - [1271, 1164, 1215], - [1249, 1271, 1215], - [1160, 1249, 1215], - [1170, 1164, 1223], - [1279, 1170, 1223], - [1271, 1279, 1223], - [1164, 1271, 1223], - [1032, 934, 987], - [1077, 1032, 987], - [930, 1077, 987], - [934, 930, 987], - [1123, 1032, 1107], - [1168, 1123, 1107], - [1077, 1168, 1107], - [1032, 1077, 1107], - [1173, 1123, 1175], - [1225, 1173, 1175], - [1168, 1225, 1175], - [1123, 1168, 1175], - [1205, 1173, 1221], - [1277, 1205, 1221], - [1225, 1277, 1221], - [1173, 1225, 1221], - [1077, 930, 995], - [1085, 1077, 995], - [924, 1085, 995], - [930, 924, 995], - [1168, 1077, 1137], - [1179, 1168, 1137], - [1085, 1179, 1137], - [1077, 1085, 1137], - [1085, 924, 999], - [1089, 1085, 999], - [920, 1089, 999], - [924, 920, 999], - [1179, 1085, 1144], - [1185, 1179, 1144], - [1089, 1185, 1144], - [1085, 1089, 1144], - [1225, 1168, 1201], - [1239, 1225, 1201], - [1179, 1239, 1201], - [1168, 1179, 1201], - [1277, 1225, 1255], - [1294, 1277, 1255], - [1239, 1294, 1255], - [1225, 1239, 1255], - [1239, 1179, 1217], - [1243, 1239, 1217], - [1185, 1243, 1217], - [1179, 1185, 1217], - [1294, 1239, 1273], - [1300, 1294, 1273], - [1243, 1300, 1273], - [1239, 1243, 1273], - [1233, 1205, 1251], - [1314, 1233, 1251], - [1277, 1314, 1251], - [1205, 1277, 1251], - [1249, 1233, 1284], - [1346, 1249, 1284], - [1314, 1346, 1284], - [1233, 1314, 1284], - [1271, 1249, 1308], - [1368, 1271, 1308], - [1346, 1368, 1308], - [1249, 1346, 1308], - [1279, 1271, 1320], - [1376, 1279, 1320], - [1368, 1376, 1320], - [1271, 1368, 1320], - [1314, 1277, 1304], - [1334, 1314, 1304], - [1294, 1334, 1304], - [1277, 1294, 1304], - [1346, 1314, 1338], - [1377, 1346, 1338], - [1334, 1377, 1338], - [1314, 1334, 1338], - [1334, 1294, 1324], - [1352, 1334, 1324], - [1300, 1352, 1324], - [1294, 1300, 1324], - [1377, 1334, 1364], - [1389, 1377, 1364], - [1352, 1389, 1364], - [1334, 1352, 1364], - [1368, 1346, 1374], - [1401, 1368, 1374], - [1377, 1401, 1374], - [1346, 1377, 1374], - [1376, 1368, 1387], - [1415, 1376, 1387], - [1401, 1415, 1387], - [1368, 1401, 1387], - [1401, 1377, 1395], - [1422, 1401, 1395], - [1389, 1422, 1395], - [1377, 1389, 1395], - [1415, 1401, 1418], - [1434, 1415, 1418], - [1422, 1434, 1418], - [1401, 1422, 1418] - ]; - - - var calculateNormals = function (positions, indices) { - var nvecs = new Array(positions.length); - - for (var i = 0; i < indices.length; i++) { - var j0 = indices[i][0]; - var j1 = indices[i][1]; - var j2 = indices[i][2]; - - var v1 = positions[j0]; - var v2 = positions[j1]; - var v3 = positions[j2]; - - v2 = SceneJS_math_subVec4(v2, v1, [0, 0, 0, 0]); - v3 = SceneJS_math_subVec4(v3, v1, [0, 0, 0, 0]); - - var n = SceneJS_math_normalizeVec4(SceneJS_math_cross3Vec4(v2, v3, [0, 0, 0, 0]), [0, 0, 0, 0]); - - if (!nvecs[j0]) nvecs[j0] = []; - if (!nvecs[j1]) nvecs[j1] = []; - if (!nvecs[j2]) nvecs[j2] = []; - - nvecs[j0].push(n); - nvecs[j1].push(n); - nvecs[j2].push(n); - } - - var normals = new Array(positions.length); - - // now go through and average out everything - for (var i = 0; i < nvecs.length; i++) { - var count = nvecs[i].length; - var x = 0; - var y = 0; - var z = 0; - for (var j = 0; j < count; j++) { - x += nvecs[i][j][0]; - y += nvecs[i][j][1]; - z += nvecs[i][j][2]; - } - normals[i] = [-(x / count), -(y / count), -(z / count)]; - } - return normals; - }; - - var flatten = function (ar, numPerElement) { - var result = []; - for (var i = 0; i < ar.length; i++) { - if (numPerElement && ar[i].length != numPerElement) - throw SceneJS_error.fatalError("Bad geometry array element"); - for (var j = 0; j < ar[i].length; j++) - result.push(ar[i][j]); - } - return result; - }; - - - function reverse(ar) { - var result = []; - for (var i = 0; i < ar.length; i++) { - var temp = []; - for (var j = ar[i].length - 1; j >= 0; j--) { - temp.push(ar[i][j]); - } - result.push(temp); - } - return result; - } - - return { - coreId:"teapot_" + (cfg.wire ? "wire" : "_solid"), - primitive:cfg.wire ? "lines" : "triangles", - positions:new Float32Array(flatten(positions, 3)), - indices:new Uint16Array(flatten(reverse(indices))), - normals:new Float32Array(flatten(calculateNormals(positions, indices), 3)) - }; - } - - })()); diff --git a/api/dev/plugins/geometry/torus.js b/api/dev/plugins/geometry/torus.js deleted file mode 100644 index 4be934ce..00000000 --- a/api/dev/plugins/geometry/torus.js +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Based on TorusGeometry by Mr. Doob and oosmoxiecode - * - */ -SceneJS.Plugins.addPlugin( - - "geometry", // Node type - "torus", - - new (function () { - - this.getSource = function () { - var publish; - return { - subscribe:function (fn) { - publish = fn; - }, - configure:function (cfg) { - publish(build(cfg)); - } - }; - }; - - function build(cfg) { - - var radius = cfg.radius || 1; - var tube = cfg.tube || 0.3; - var segmentsR = cfg.segmentsR || 32; - var segmentsT = cfg.segmentsT || 24; - var arc = cfg.arc || Math.PI * 2; - var coreId = "torus_" + (cfg.wire == true ? "wire_" : "") + radius + "_" + tube + "_" + segmentsR + "_" + segmentsT + "_" + arc; - - var positions = []; - var normals = []; - var uvs = []; - var indices = []; - - var u; - var v; - var centerX; - var centerY; - var centerZ = 0; - var x; - var y; - var z; - var vec; - - for (var j = 0; j <= segmentsR; j++) { - for (var i = 0; i <= segmentsT; i++) { - - u = i / segmentsT * arc; - v = j / segmentsR * Math.PI * 2; - - centerX = radius * Math.cos(u); - centerY = radius * Math.sin(u); - - x = (radius + tube * Math.cos(v) ) * Math.cos(u); - y = (radius + tube * Math.cos(v) ) * Math.sin(u); - z = tube * Math.sin(v); - - positions.push(x); - positions.push(y); - positions.push(z); - - uvs.push(i / segmentsT); - uvs.push(1 - j / segmentsR); - - vec = normalize(sub([x, y, z], [centerX, centerY, centerZ], []), []); - - normals.push(vec[0]); - normals.push(vec[1]); - normals.push(vec[2]); - } - } - - var a; - var b; - var c; - var d; - - for (var j = 1; j <= segmentsR; j++) { - for (var i = 1; i <= segmentsT; i++) { - - a = ( segmentsT + 1 ) * j + i - 1; - b = ( segmentsT + 1 ) * ( j - 1 ) + i - 1; - c = ( segmentsT + 1 ) * ( j - 1 ) + i; - d = ( segmentsT + 1 ) * j + i; - - indices.push(a); - indices.push(b); - indices.push(c); - - indices.push(c); - indices.push(d); - indices.push(a); - } - } - - return { - primitive:cfg.wire ? "lines" : "triangles", - coreId:coreId, - positions:new Float32Array(positions), - normals:new Float32Array(normals), - uv:new Float32Array(uvs), - indices:new Uint16Array(indices) - }; - } - - function normalize(v, dest) { - var f = 1.0 / len(v); - return mul(v, f, dest); - } - - function len(v) { - return Math.sqrt(sqLen(v)); - } - - var sqLen = function (v) { - return dot(v, v); - }; - - var dot = function (u, v) { - return (u[0] * v[0] + u[1] * v[1] + u[2] * v[2]); - }; - - function mul(v, s, dest) { - dest[0] = v[0] * s; - dest[1] = v[1] * s; - dest[2] = v[2] * s; - return dest; - } - - function sub(u, v, dest) { - dest[0] = u[0] - v[0]; - dest[1] = u[1] - v[1]; - dest[2] = u[2] - v[2]; - return dest; - } - })()); diff --git a/api/dev/plugins/geometry/vectorText.js b/api/dev/plugins/geometry/vectorText.js deleted file mode 100644 index 5410ad6c..00000000 --- a/api/dev/plugins/geometry/vectorText.js +++ /dev/null @@ -1,1499 +0,0 @@ -SceneJS.Plugins.addPlugin( - - "geometry", // Node type - "vectorText", - - new (function () { - - this.getSource = function () { - var publish; - return { - subscribe:function (fn) { - publish = fn; - }, - configure:function (cfg) { - publish(build(cfg)); - } - }; - }; - - // Letter stroke data, initialised below - var letters; - - function build(cfg) { - - var positions = []; - var indices = []; - var lines = cfg.text ? cfg.text.split("\n") : []; - var countVerts = 0; - var y = cfg.yPos || 0; - var x; - var str; - var len; - var c; - var mag = (cfg.size || 1) / 25.0; - var penUp; - var p1; - var p2; - var needLine; - var pointsLen; - var a; - - for (var iLine = 0; iLine < lines.length; iLine++) { - - x = cfg.xPos || 0; - str = lines[iLine]; - len = str.length; - - for (var i = 0; i < len; i++) { - - c = letters[str.charAt(i)]; - - if (c == '\n') { - //alert("newline"); - } - - if (!c) { - continue; - } - - penUp = 1; - p1 = -1; - p2 = -1; - needLine = false; - - pointsLen = c.points.length; - - for (var j = 0; j < pointsLen; j++) { - a = c.points[j]; - - if (a[0] == -1 && a[1] == -1) { - penUp = 1; - needLine = false; - continue; - } - - positions.push(x + a[0] * mag); - positions.push(y + a[1] * mag); - positions.push(0); - - if (p1 == -1) { - p1 = countVerts; - } else if (p2 == -1) { - p2 = countVerts; - } else { - p1 = p2; - p2 = countVerts; - } - countVerts++; - - if (penUp) { - penUp = false; - - } else { - indices.push(p1); - indices.push(p2); - } - - needLine = true; - } - x += c.width * mag; - - } - y += 25 * mag; - } - - return { - primitive:"lines", - positions:new Float32Array(positions), - indices:new Uint16Array(indices) - }; - } - - letters = { - ' ':{ width:16, points:[] }, - '!':{ width:10, points:[ - [5, 21], - [5, 7], - [-1, -1], - [5, 2], - [4, 1], - [5, 0], - [6, 1], - [5, 2] - ] }, - '"':{ width:16, points:[ - [4, 21], - [4, 14], - [-1, -1], - [12, 21], - [12, 14] - ] }, - '#':{ width:21, points:[ - [11, 25], - [4, -7], - [-1, -1], - [17, 25], - [10, -7], - [-1, -1], - [4, 12], - [18, 12], - [-1, -1], - [3, 6], - [17, 6] - ] }, - '$':{ width:20, points:[ - [8, 25], - [8, -4], - [-1, -1], - [12, 25], - [12, -4], - [-1, -1], - [17, 18], - [15, 20], - [12, 21], - [8, 21], - [5, 20], - [3, 18], - [3, 16], - [4, 14], - [5, 13], - [7, 12], - [13, 10], - [15, 9], - [16, 8], - [17, 6], - [17, 3], - [15, 1], - [12, 0], - [8, 0], - [5, 1], - [3, 3] - ] }, - '%':{ width:24, points:[ - [21, 21], - [3, 0], - [-1, -1], - [8, 21], - [10, 19], - [10, 17], - [9, 15], - [7, 14], - [5, 14], - [3, 16], - [3, 18], - [4, 20], - [6, 21], - [8, 21], - [10, 20], - [13, 19], - [16, 19], - [19, 20], - [21, 21], - [-1, -1], - [17, 7], - [15, 6], - [14, 4], - [14, 2], - [16, 0], - [18, 0], - [20, 1], - [21, 3], - [21, 5], - [19, 7], - [17, 7] - ] }, - '&':{ width:26, points:[ - [23, 12], - [23, 13], - [22, 14], - [21, 14], - [20, 13], - [19, 11], - [17, 6], - [15, 3], - [13, 1], - [11, 0], - [7, 0], - [5, 1], - [4, 2], - [3, 4], - [3, 6], - [4, 8], - [5, 9], - [12, 13], - [13, 14], - [14, 16], - [14, 18], - [13, 20], - [11, 21], - [9, 20], - [8, 18], - [8, 16], - [9, 13], - [11, 10], - [16, 3], - [18, 1], - [20, 0], - [22, 0], - [23, 1], - [23, 2] - ] }, - '\'':{ width:10, points:[ - [5, 19], - [4, 20], - [5, 21], - [6, 20], - [6, 18], - [5, 16], - [4, 15] - ] }, - '(':{ width:14, points:[ - [11, 25], - [9, 23], - [7, 20], - [5, 16], - [4, 11], - [4, 7], - [5, 2], - [7, -2], - [9, -5], - [11, -7] - ] }, - ')':{ width:14, points:[ - [3, 25], - [5, 23], - [7, 20], - [9, 16], - [10, 11], - [10, 7], - [9, 2], - [7, -2], - [5, -5], - [3, -7] - ] }, - '*':{ width:16, points:[ - [8, 21], - [8, 9], - [-1, -1], - [3, 18], - [13, 12], - [-1, -1], - [13, 18], - [3, 12] - ] }, - '+':{ width:26, points:[ - [13, 18], - [13, 0], - [-1, -1], - [4, 9], - [22, 9] - ] }, - ',':{ width:10, points:[ - [6, 1], - [5, 0], - [4, 1], - [5, 2], - [6, 1], - [6, -1], - [5, -3], - [4, -4] - ] }, - '-':{ width:26, points:[ - [4, 9], - [22, 9] - ] }, - '.':{ width:10, points:[ - [5, 2], - [4, 1], - [5, 0], - [6, 1], - [5, 2] - ] }, - '/':{ width:22, points:[ - [20, 25], - [2, -7] - ] }, - '0':{ width:20, points:[ - [9, 21], - [6, 20], - [4, 17], - [3, 12], - [3, 9], - [4, 4], - [6, 1], - [9, 0], - [11, 0], - [14, 1], - [16, 4], - [17, 9], - [17, 12], - [16, 17], - [14, 20], - [11, 21], - [9, 21] - ] }, - '1':{ width:20, points:[ - [6, 17], - [8, 18], - [11, 21], - [11, 0] - ] }, - '2':{ width:20, points:[ - [4, 16], - [4, 17], - [5, 19], - [6, 20], - [8, 21], - [12, 21], - [14, 20], - [15, 19], - [16, 17], - [16, 15], - [15, 13], - [13, 10], - [3, 0], - [17, 0] - ] }, - '3':{ width:20, points:[ - [5, 21], - [16, 21], - [10, 13], - [13, 13], - [15, 12], - [16, 11], - [17, 8], - [17, 6], - [16, 3], - [14, 1], - [11, 0], - [8, 0], - [5, 1], - [4, 2], - [3, 4] - ] }, - '4':{ width:20, points:[ - [13, 21], - [3, 7], - [18, 7], - [-1, -1], - [13, 21], - [13, 0] - ] }, - '5':{ width:20, points:[ - [15, 21], - [5, 21], - [4, 12], - [5, 13], - [8, 14], - [11, 14], - [14, 13], - [16, 11], - [17, 8], - [17, 6], - [16, 3], - [14, 1], - [11, 0], - [8, 0], - [5, 1], - [4, 2], - [3, 4] - ] }, - '6':{ width:20, points:[ - [16, 18], - [15, 20], - [12, 21], - [10, 21], - [7, 20], - [5, 17], - [4, 12], - [4, 7], - [5, 3], - [7, 1], - [10, 0], - [11, 0], - [14, 1], - [16, 3], - [17, 6], - [17, 7], - [16, 10], - [14, 12], - [11, 13], - [10, 13], - [7, 12], - [5, 10], - [4, 7] - ] }, - '7':{ width:20, points:[ - [17, 21], - [7, 0], - [-1, -1], - [3, 21], - [17, 21] - ] }, - '8':{ width:20, points:[ - [8, 21], - [5, 20], - [4, 18], - [4, 16], - [5, 14], - [7, 13], - [11, 12], - [14, 11], - [16, 9], - [17, 7], - [17, 4], - [16, 2], - [15, 1], - [12, 0], - [8, 0], - [5, 1], - [4, 2], - [3, 4], - [3, 7], - [4, 9], - [6, 11], - [9, 12], - [13, 13], - [15, 14], - [16, 16], - [16, 18], - [15, 20], - [12, 21], - [8, 21] - ] }, - '9':{ width:20, points:[ - [16, 14], - [15, 11], - [13, 9], - [10, 8], - [9, 8], - [6, 9], - [4, 11], - [3, 14], - [3, 15], - [4, 18], - [6, 20], - [9, 21], - [10, 21], - [13, 20], - [15, 18], - [16, 14], - [16, 9], - [15, 4], - [13, 1], - 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[8, 4], - [7, 2], - [6, 1], - [5, -1], - [5, -3], - [6, -5], - [7, -6], - [9, -7] - ] }, - '|':{ width:8, points:[ - [4, 25], - [4, -7] - ] }, - '}':{ width:14, points:[ - [5, 25], - [7, 24], - [8, 23], - [9, 21], - [9, 19], - [8, 17], - [7, 16], - [6, 14], - [6, 12], - [8, 10], - [-1, -1], - [7, 24], - [8, 22], - [8, 20], - [7, 18], - [6, 17], - [5, 15], - [5, 13], - [6, 11], - [10, 9], - [6, 7], - [5, 5], - [5, 3], - [6, 1], - [7, 0], - [8, -2], - [8, -4], - [7, -6], - [-1, -1], - [8, 8], - [6, 6], - [6, 4], - [7, 2], - [8, 1], - [9, -1], - [9, -3], - [8, -5], - [7, -6], - [5, -7] - ] }, - '~':{ width:24, points:[ - [3, 6], - [3, 8], - [4, 11], - [6, 12], - [8, 12], - [10, 11], - [14, 8], - [16, 7], - [18, 7], - [20, 8], - [21, 10], - [-1, -1], - [3, 8], - [4, 10], - [6, 11], - [8, 11], - [10, 10], - [14, 7], - [16, 6], - [18, 6], - [20, 7], - [21, 10], - [21, 12] - ] } - }; - - })()); diff --git a/api/dev/plugins/geometry/wobblyBox.js b/api/dev/plugins/geometry/wobblyBox.js deleted file mode 100644 index 162bd2ac..00000000 --- a/api/dev/plugins/geometry/wobblyBox.js +++ /dev/null @@ -1,44 +0,0 @@ -SceneJS.Plugins.addPlugin( - - "geometry", - - "wobblyBox", - - new (function () { - - this.getSource = function () { - var publish; - return { - subscribe:function (fn) { - publish = fn; - }, - configure:function (cfg) { - publish(build(cfg)); - } - }; - }; - - function build (cfg) { - var randomFactor = cfg.randomFactor; - return { - primitive:"triangles", // Geometry only uses this on create, ignores on update - positions:new Float32Array(randomize([ 5, 5, 5, -5, 5, 5, -5, -5, 5, 5, -5, 5, 5, 5, 5, 5, -5, 5, 5, -5, -5, 5, 5, -5, 5, 5, 5, 5, 5, -5, -5, 5, -5, -5, 5, 5, -5, 5, 5, -5, 5, -5, -5, -5, -5, -5, -5, 5, -5, -5, -5, 5, -5, -5, 5, -5, 5, -5, -5, 5, 5, -5, -5, -5, -5, -5, -5, 5, -5, 5, 5, -5], randomFactor)), - normals:new Float32Array(randomize([ 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1], randomFactor)), - uv:new Float32Array(randomize([ 5, 5, 0, 5, 0, 0, 5, 0, 0, 5, 0, 0, 5, 0, 5, 5, 5, 0, 5, 5, 0, 5, 0, 0, 5, 5, 0, 5, 0, 0, 5, 0, 0, 0, 5, 0, 5, 5, 0, 5, 0, 0, 5, 0, 5, 5, 0, 5], randomFactor)), - uv2:null, - indices:new Uint16Array([ 0, 1, 2, 0, 2, 3, 4, 5, 6, 4, 6, 7, 8, 9, 10, 8, 10, 11, 12, 13, 14, 12, 14, 15, 16, 17, 18, 16, 18, 19, 20, 21, 22, 20, 22, 23]) - }; - } - - function randomize (arry, randomFactor) { - if (randomFactor == 0) { - return arry; - } - var halfRandomFactor = randomFactor / 2.0; - for (var i = 0, len = arry.length; i < len; i++) { - arry[i] += (Math.random() * randomFactor) - halfRandomFactor; - } - return arry; - } - - })()); \ No newline at end of file diff --git a/api/dev/plugins/texture/image.js b/api/dev/plugins/texture/image.js deleted file mode 100644 index 83ef0288..00000000 --- a/api/dev/plugins/texture/image.js +++ /dev/null @@ -1,67 +0,0 @@ -SceneJS.Plugins.addPlugin( - - "texture", - "image", - - new (function () { - - this.getSource = function (params) { - - var gl = params.gl; - var texture = gl.createTexture(); - var publish; - - return { - subscribe:function (fn) { - publish = fn; - }, - configure:function (cfg) { - if (!cfg.src) { - throw "Parameter expected: 'src'"; - } - var image = new Image(); - image.crossOrigin = "anonymous"; - image.onload = function () { - gl.bindTexture(gl.TEXTURE_2D, texture); - var potImage = ensureImageSizePowerOfTwo(image); // WebGL hates NPOT images - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, potImage); - if (publish) { - publish(texture); - } - }; - image.src = cfg.src; - }, - - destroy:function () { // TODO - } - }; - }; - - function ensureImageSizePowerOfTwo(image) { - if (!isPowerOfTwo(image.width) || !isPowerOfTwo(image.height)) { - var canvas = document.createElement("canvas"); - canvas.width = nextHighestPowerOfTwo(image.width); - canvas.height = nextHighestPowerOfTwo(image.height); - var ctx = canvas.getContext("2d"); - ctx.drawImage(image, - 0, 0, image.width, image.height, - 0, 0, canvas.width, canvas.height); - image = canvas; - } - return image; - } - - function isPowerOfTwo(x) { - return (x & (x - 1)) == 0; - } - - function nextHighestPowerOfTwo(x) { - --x; - for (var i = 1; i < 32; i <<= 1) { - x = x | x >> i; - } - return x + 1; - } - - })()); - diff --git a/api/dev/plugins/texture/video.js b/api/dev/plugins/texture/video.js deleted file mode 100644 index 0253e18a..00000000 --- a/api/dev/plugins/texture/video.js +++ /dev/null @@ -1,105 +0,0 @@ -SceneJS.Plugins.addPlugin( - - "texture", - "video", - - new (function () { - - this.getSource = function (params) { - - var gl = params.gl; - var publish; - var video; - var texture = gl.createTexture(); - - return { - - subscribe:function (fn) { - publish = fn; - }, - - configure:function (cfg) { - - if (cfg.src) { - - var canvas = document.createElement("canvas"); - document.getElementsByTagName("body")[0].appendChild(canvas); - var ctx = canvas.getContext("2d"); - - /* Create hidden video canvas - */ - video = document.createElement("video"); - video.style.display = "none"; - video.setAttribute("loop", "loop"); - video.autoplay = true; - video.addEventListener("ended", // looping broken in FF - function () { - this.play(); - }, - true); - - document.getElementsByTagName("body")[0].appendChild(video); - - //video.crossOrigin = "anonymous"; - video.src = cfg.src; - - var updateTexture = function () { - - if (video.readyState > 0) { - - if (video.height <= 0) { - video.style.display = ""; - video.height = video.offsetHeight; - video.width = video.offsetWidth; - video.style.display = "none"; - } - - // canvas.height = video.height; - // canvas.width = video.width; - // - // ctx.drawImage(video, 0, 0); - // - // gl.bindTexture(gl.TEXTURE_2D, texture); - // // - // try { - // gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas); - // - // } catch(e) { - // - // gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas, null); - // } - // - // gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); - // gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); - // - // gl.generateMipmap(gl.TEXTURE_2D); - // - - try { - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, video); - } - catch (e) { - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, video, null); - } - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); - gl.generateMipmap(gl.TEXTURE_2D); - if (publish) { - publish(texture); - } - } - window.requestAnimationFrame(updateTexture); - }; - - window.requestAnimationFrame(updateTexture);// TODO: synch with render loop - } - }, - - destroy:function () { - // TODO: destroy any existing video - } - }; - }; - - })()); - diff --git a/api/dev/scenejs.js b/api/dev/scenejs.js deleted file mode 100644 index e0748c11..00000000 --- a/api/dev/scenejs.js +++ /dev/null @@ -1,16013 +0,0 @@ -/* - * SceneJS WebGL Scene Graph Library for JavaScript - * http://scenejs.org/ - * Dual licensed under the MIT or GPL Version 2 licenses. - * http://scenejs.org/license - * Copyright 2010, Lindsay Kay - * - * Includes WebGLTrace - * Various functions for helping debug WebGL apps. - * http://github.com/jackpal/webgltrace - * Copyright (c) 2009 The Chromium Authors. All rights reserved. - * - * Includes WebGL-Debug - * Various functions for helping debug WebGL apps. - * http://khronos.org/webgl/wiki/Debugging - * Copyright (c) 2009 The Chromium Authors. All rights reserved. - */ -WebGLDebugUtils = function() { - -/** - * Wrapped logging function. - * @param {string} msg Message to log. - */ -var log = function(msg) { - if (window.console && window.console.log) { - window.console.log(msg); - } -}; - -/** - * Which arguements are enums. - * @type {!Object.} - */ -var glValidEnumContexts = { - - // Generic setters and getters - - 'enable': { 0:true }, - 'disable': { 0:true }, - 'getParameter': { 0:true }, - - // Rendering - - 'drawArrays': { 0:true }, - 'drawElements': { 0:true, 2:true }, - - // Shaders - - 'createShader': { 0:true }, - 'getShaderParameter': { 1:true }, - 'getProgramParameter': { 1:true }, - - // Vertex attributes - - 'getVertexAttrib': { 1:true }, - 'vertexAttribPointer': { 2:true }, - - // Textures - - 'bindTexture': { 0:true }, - 'activeTexture': { 0:true }, - 'getTexParameter': { 0:true, 1:true }, - 'texParameterf': { 0:true, 1:true }, - 'texParameteri': { 0:true, 1:true, 2:true }, - 'texImage2D': { 0:true, 2:true, 6:true, 7:true }, - 'texSubImage2D': { 0:true, 6:true, 7:true }, - 'copyTexImage2D': { 0:true, 2:true }, - 'copyTexSubImage2D': { 0:true }, - 'generateMipmap': { 0:true }, - - // Buffer objects - - 'bindBuffer': { 0:true }, - 'bufferData': { 0:true, 2:true }, - 'bufferSubData': { 0:true }, - 'getBufferParameter': { 0:true, 1:true }, - - // Renderbuffers and framebuffers - - 'pixelStorei': { 0:true, 1:true }, - 'readPixels': { 4:true, 5:true }, - 'bindRenderbuffer': { 0:true }, - 'bindFramebuffer': { 0:true }, - 'checkFramebufferStatus': { 0:true }, - 'framebufferRenderbuffer': { 0:true, 1:true, 2:true }, - 'framebufferTexture2D': { 0:true, 1:true, 2:true }, - 'getFramebufferAttachmentParameter': { 0:true, 1:true, 2:true }, - 'getRenderbufferParameter': { 0:true, 1:true }, - 'renderbufferStorage': { 0:true, 1:true }, - - // Frame buffer operations (clear, blend, depth test, stencil) - - 'clear': { 0:true }, - 'depthFunc': { 0:true }, - 'blendFunc': { 0:true, 1:true }, - 'blendFuncSeparate': { 0:true, 1:true, 2:true, 3:true }, - 'blendEquation': { 0:true }, - 'blendEquationSeparate': { 0:true, 1:true }, - 'stencilFunc': { 0:true }, - 'stencilFuncSeparate': { 0:true, 1:true }, - 'stencilMaskSeparate': { 0:true }, - 'stencilOp': { 0:true, 1:true, 2:true }, - 'stencilOpSeparate': { 0:true, 1:true, 2:true, 3:true }, - - // Culling - - 'cullFace': { 0:true }, - 'frontFace': { 0:true }, -}; - -/** - * Map of numbers to names. - * @type {Object} - */ -var glEnums = null; - -/** - * Initializes this module. Safe to call more than once. - * @param {!WebGLRenderingContext} ctx A WebGL context. If - * you have more than one context it doesn't matter which one - * you pass in, it is only used to pull out constants. - */ -function init(ctx) { - if (glEnums == null) { - glEnums = { }; - for (var propertyName in ctx) { - if (typeof ctx[propertyName] == 'number') { - glEnums[ctx[propertyName]] = propertyName; - } - } - } -} - -/** - * Checks the utils have been initialized. - */ -function checkInit() { - if (glEnums == null) { - throw 'WebGLDebugUtils.init(ctx) not called'; - } -} - -/** - * Returns true or false if value matches any WebGL enum - * @param {*} value Value to check if it might be an enum. - * @return {boolean} True if value matches one of the WebGL defined enums - */ -function mightBeEnum(value) { - checkInit(); - return (glEnums[value] !== undefined); -} - -/** - * Gets an string version of an WebGL enum. - * - * Example: - * var str = WebGLDebugUtil.glEnumToString(ctx.getError()); - * - * @param {number} value Value to return an enum for - * @return {string} The string version of the enum. - */ -function glEnumToString(value) { - checkInit(); - var name = glEnums[value]; - return (name !== undefined) ? name : - ("*UNKNOWN WebGL ENUM (0x" + value.toString(16) + ")"); -} - -/** - * Returns the string version of a WebGL argument. - * Attempts to convert enum arguments to strings. - * @param {string} functionName the name of the WebGL function. - * @param {number} argumentIndx the index of the argument. - * @param {*} value The value of the argument. - * @return {string} The value as a string. - */ -function glFunctionArgToString(functionName, argumentIndex, value) { - var funcInfo = glValidEnumContexts[functionName]; - if (funcInfo !== undefined) { - if (funcInfo[argumentIndex]) { - return glEnumToString(value); - } - } - if (value === null) { - return "null"; - } else if (value === undefined) { - return "undefined"; - } else { - return value.toString(); - } -} - -/** - * Converts the arguments of a WebGL function to a string. - * Attempts to convert enum arguments to strings. - * - * @param {string} functionName the name of the WebGL function. - * @param {number} args The arguments. - * @return {string} The arguments as a string. - */ -function glFunctionArgsToString(functionName, args) { - // apparently we can't do args.join(","); - var argStr = ""; - for (var ii = 0; ii < args.length; ++ii) { - argStr += ((ii == 0) ? '' : ', ') + - glFunctionArgToString(functionName, ii, args[ii]); - } - return argStr; -}; - - -function makePropertyWrapper(wrapper, original, propertyName) { - //log("wrap prop: " + propertyName); - wrapper.__defineGetter__(propertyName, function() { - return original[propertyName]; - }); - // TODO(gmane): this needs to handle properties that take more than - // one value? - wrapper.__defineSetter__(propertyName, function(value) { - //log("set: " + propertyName); - original[propertyName] = value; - }); -} - -// Makes a function that calls a function on another object. -function makeFunctionWrapper(original, functionName) { - //log("wrap fn: " + functionName); - var f = original[functionName]; - return function() { - //log("call: " + functionName); - var result = f.apply(original, arguments); - return result; - }; -} - -/** - * Given a WebGL context returns a wrapped context that calls - * gl.getError after every command and calls a function if the - * result is not gl.NO_ERROR. - * - * @param {!WebGLRenderingContext} ctx The webgl context to - * wrap. - * @param {!function(err, funcName, args): void} opt_onErrorFunc - * The function to call when gl.getError returns an - * error. If not specified the default function calls - * console.log with a message. - * @param {!function(funcName, args): void} opt_onFunc The - * function to call when each webgl function is called. - * You can use this to log all calls for example. - */ -function makeDebugContext(ctx, opt_onErrorFunc, opt_onFunc) { - init(ctx); - opt_onErrorFunc = opt_onErrorFunc || function(err, functionName, args) { - // apparently we can't do args.join(","); - var argStr = ""; - for (var ii = 0; ii < args.length; ++ii) { - argStr += ((ii == 0) ? '' : ', ') + - glFunctionArgToString(functionName, ii, args[ii]); - } - log("WebGL error "+ glEnumToString(err) + " in "+ functionName + - "(" + argStr + ")"); - }; - - // Holds booleans for each GL error so after we get the error ourselves - // we can still return it to the client app. - var glErrorShadow = { }; - - // Makes a function that calls a WebGL function and then calls getError. - function makeErrorWrapper(ctx, functionName) { - return function() { - if (opt_onFunc) { - opt_onFunc(functionName, arguments); - } - var result = ctx[functionName].apply(ctx, arguments); - var err = ctx.getError(); - if (err != 0) { - glErrorShadow[err] = true; - opt_onErrorFunc(err, functionName, arguments); - } - return result; - }; - } - - // Make a an object that has a copy of every property of the WebGL context - // but wraps all functions. - var wrapper = {}; - for (var propertyName in ctx) { - if (typeof ctx[propertyName] == 'function') { - wrapper[propertyName] = makeErrorWrapper(ctx, propertyName); - } else { - makePropertyWrapper(wrapper, ctx, propertyName); - } - } - - // Override the getError function with one that returns our saved results. - wrapper.getError = function() { - for (var err in glErrorShadow) { - if (glErrorShadow.hasOwnProperty(err)) { - if (glErrorShadow[err]) { - glErrorShadow[err] = false; - return err; - } - } - } - return ctx.NO_ERROR; - }; - - return wrapper; -} - -function resetToInitialState(ctx) { - var numAttribs = ctx.getParameter(ctx.MAX_VERTEX_ATTRIBS); - var tmp = ctx.createBuffer(); - ctx.bindBuffer(ctx.ARRAY_BUFFER, tmp); - for (var ii = 0; ii < numAttribs; ++ii) { - ctx.disableVertexAttribArray(ii); - ctx.vertexAttribPointer(ii, 4, ctx.FLOAT, false, 0, 0); - ctx.vertexAttrib1f(ii, 0); - } - ctx.deleteBuffer(tmp); - - var numTextureUnits = ctx.getParameter(ctx.MAX_TEXTURE_IMAGE_UNITS); - for (var ii = 0; ii < numTextureUnits; ++ii) { - ctx.activeTexture(ctx.TEXTURE0 + ii); - ctx.bindTexture(ctx.TEXTURE_CUBE_MAP, null); - ctx.bindTexture(ctx.TEXTURE_2D, null); - } - - ctx.activeTexture(ctx.TEXTURE0); - ctx.useProgram(null); - ctx.bindBuffer(ctx.ARRAY_BUFFER, null); - ctx.bindBuffer(ctx.ELEMENT_ARRAY_BUFFER, null); - ctx.bindFramebuffer(ctx.FRAMEBUFFER, null); - ctx.bindRenderbuffer(ctx.RENDERBUFFER, null); - ctx.disable(ctx.BLEND); - ctx.disable(ctx.CULL_FACE); - ctx.disable(ctx.DEPTH_TEST); - ctx.disable(ctx.DITHER); - ctx.disable(ctx.SCISSOR_TEST); - ctx.blendColor(0, 0, 0, 0); - ctx.blendEquation(ctx.FUNC_ADD); - ctx.blendFunc(ctx.ONE, ctx.ZERO); - ctx.clearColor(0, 0, 0, 0); - ctx.clearDepth(1); - ctx.clearStencil(-1); - ctx.colorMask(true, true, true, true); - ctx.cullFace(ctx.BACK); - ctx.depthFunc(ctx.LESS); - ctx.depthMask(true); - ctx.depthRange(0, 1); - ctx.frontFace(ctx.CCW); - ctx.hint(ctx.GENERATE_MIPMAP_HINT, ctx.DONT_CARE); - ctx.lineWidth(1); - ctx.pixelStorei(ctx.PACK_ALIGNMENT, 4); - ctx.pixelStorei(ctx.UNPACK_ALIGNMENT, 4); - ctx.pixelStorei(ctx.UNPACK_FLIP_Y_WEBGL, false); - ctx.pixelStorei(ctx.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); - // TODO: Delete this IF. - if (ctx.UNPACK_COLORSPACE_CONVERSION_WEBGL) { - ctx.pixelStorei(ctx.UNPACK_COLORSPACE_CONVERSION_WEBGL, ctx.BROWSER_DEFAULT_WEBGL); - } - ctx.polygonOffset(0, 0); - ctx.sampleCoverage(1, false); - ctx.scissor(0, 0, ctx.canvas.width, ctx.canvas.height); - ctx.stencilFunc(ctx.ALWAYS, 0, 0xFFFFFFFF); - ctx.stencilMask(0xFFFFFFFF); - ctx.stencilOp(ctx.KEEP, ctx.KEEP, ctx.KEEP); - ctx.viewport(0, 0, ctx.canvas.width, ctx.canvas.height); - ctx.clear(ctx.COLOR_BUFFER_BIT | ctx.DEPTH_BUFFER_BIT | ctx.STENCIL_BUFFER_BIT); - - // TODO: This should NOT be needed but Firefox fails with 'hint' - while(ctx.getError()); -} - -function makeLostContextSimulatingCanvas(canvas) { - var unwrappedContext_; - var wrappedContext_; - var onLost_ = []; - var onRestored_ = []; - var wrappedContext_ = {}; - var contextId_ = 1; - var contextLost_ = false; - var resourceId_ = 0; - var resourceDb_ = []; - var numCallsToLoseContext_ = 0; - var numCalls_ = 0; - var canRestore_ = false; - var restoreTimeout_ = 0; - - // Holds booleans for each GL error so can simulate errors. - var glErrorShadow_ = { }; - - canvas.getContext = function(f) { - return function() { - var ctx = f.apply(canvas, arguments); - // Did we get a context and is it a WebGL context? - if (ctx instanceof WebGLRenderingContext) { - if (ctx != unwrappedContext_) { - if (unwrappedContext_) { - throw "got different context" - } - unwrappedContext_ = ctx; - wrappedContext_ = makeLostContextSimulatingContext(unwrappedContext_); - } - return wrappedContext_; - } - return ctx; - } - }(canvas.getContext); - - function wrapEvent(listener) { - if (typeof(listener) == "function") { - return listener; - } else { - return function(info) { - listener.handleEvent(info); - } - } - } - - var addOnContextLostListener = function(listener) { - onLost_.push(wrapEvent(listener)); - }; - - var addOnContextRestoredListener = function(listener) { - onRestored_.push(wrapEvent(listener)); - }; - - - function wrapAddEventListener(canvas) { - var f = canvas.addEventListener; - canvas.addEventListener = function(type, listener, bubble) { - switch (type) { - case 'webglcontextlost': - addOnContextLostListener(listener); - break; - case 'webglcontextrestored': - addOnContextRestoredListener(listener); - break; - default: - f.apply(canvas, arguments); - } - }; - } - - wrapAddEventListener(canvas); - - canvas.loseContext = function() { - if (!contextLost_) { - contextLost_ = true; - numCallsToLoseContext_ = 0; - ++contextId_; - while (unwrappedContext_.getError()); - clearErrors(); - glErrorShadow_[unwrappedContext_.CONTEXT_LOST_WEBGL] = true; - var event = makeWebGLContextEvent("context lost"); - var callbacks = onLost_.slice(); - setTimeout(function() { - //log("numCallbacks:" + callbacks.length); - for (var ii = 0; ii < callbacks.length; ++ii) { - //log("calling callback:" + ii); - callbacks[ii](event); - } - if (restoreTimeout_ >= 0) { - setTimeout(function() { - canvas.restoreContext(); - }, restoreTimeout_); - } - }, 0); - } - }; - - canvas.restoreContext = function() { - if (contextLost_) { - if (onRestored_.length) { - setTimeout(function() { - if (!canRestore_) { - throw "can not restore. webglcontestlost listener did not call event.preventDefault"; - } - freeResources(); - resetToInitialState(unwrappedContext_); - contextLost_ = false; - numCalls_ = 0; - canRestore_ = false; - var callbacks = onRestored_.slice(); - var event = makeWebGLContextEvent("context restored"); - for (var ii = 0; ii < callbacks.length; ++ii) { - callbacks[ii](event); - } - }, 0); - } - } - }; - - canvas.loseContextInNCalls = function(numCalls) { - if (contextLost_) { - throw "You can not ask a lost contet to be lost"; - } - numCallsToLoseContext_ = numCalls_ + numCalls; - }; - - canvas.getNumCalls = function() { - return numCalls_; - }; - - canvas.setRestoreTimeout = function(timeout) { - restoreTimeout_ = timeout; - }; - - function isWebGLObject(obj) { - //return false; - return (obj instanceof WebGLBuffer || - obj instanceof WebGLFramebuffer || - obj instanceof WebGLProgram || - obj instanceof WebGLRenderbuffer || - obj instanceof WebGLShader || - obj instanceof WebGLTexture); - } - - function checkResources(args) { - for (var ii = 0; ii < args.length; ++ii) { - var arg = args[ii]; - if (isWebGLObject(arg)) { - return arg.__webglDebugContextLostId__ == contextId_; - } - } - return true; - } - - function clearErrors() { - var k = Object.keys(glErrorShadow_); - for (var ii = 0; ii < k.length; ++ii) { - delete glErrorShadow_[k]; - } - } - - function loseContextIfTime() { - ++numCalls_; - if (!contextLost_) { - if (numCallsToLoseContext_ == numCalls_) { - canvas.loseContext(); - } - } - } - - // Makes a function that simulates WebGL when out of context. - function makeLostContextFunctionWrapper(ctx, functionName) { - var f = ctx[functionName]; - return function() { - // log("calling:" + functionName); - // Only call the functions if the context is not lost. - loseContextIfTime(); - if (!contextLost_) { - //if (!checkResources(arguments)) { - // glErrorShadow_[wrappedContext_.INVALID_OPERATION] = true; - // return; - //} - - var result = f.apply(ctx, arguments); - return result; - } - }; - } - - function freeResources() { - for (var ii = 0; ii < resourceDb_.length; ++ii) { - var resource = resourceDb_[ii]; - if (resource instanceof WebGLBuffer) { - unwrappedContext_.deleteBuffer(resource); - } else if (resource instanceof WebGLFramebuffer) { - unwrappedContext_.deleteFramebuffer(resource); - } else if (resource instanceof WebGLProgram) { - unwrappedContext_.deleteProgram(resource); - } else if (resource instanceof WebGLRenderbuffer) { - unwrappedContext_.deleteRenderbuffer(resource); - } else if (resource instanceof WebGLShader) { - unwrappedContext_.deleteShader(resource); - } else if (resource instanceof WebGLTexture) { - unwrappedContext_.deleteTexture(resource); - } - } - } - - function makeWebGLContextEvent(statusMessage) { - return { - statusMessage: statusMessage, - preventDefault: function() { - canRestore_ = true; - } - }; - } - - return canvas; - - function makeLostContextSimulatingContext(ctx) { - // copy all functions and properties to wrapper - for (var propertyName in ctx) { - if (typeof ctx[propertyName] == 'function') { - wrappedContext_[propertyName] = makeLostContextFunctionWrapper( - ctx, propertyName); - } else { - makePropertyWrapper(wrappedContext_, ctx, propertyName); - } - } - - // Wrap a few functions specially. - wrappedContext_.getError = function() { - loseContextIfTime(); - if (!contextLost_) { - var err; - while (err = unwrappedContext_.getError()) { - glErrorShadow_[err] = true; - } - } - for (var err in glErrorShadow_) { - if (glErrorShadow_[err]) { - delete glErrorShadow_[err]; - return err; - } - } - return wrappedContext_.NO_ERROR; - }; - - var creationFunctions = [ - "createBuffer", - "createFramebuffer", - "createProgram", - "createRenderbuffer", - "createShader", - "createTexture" - ]; - for (var ii = 0; ii < creationFunctions.length; ++ii) { - var functionName = creationFunctions[ii]; - wrappedContext_[functionName] = function(f) { - return function() { - loseContextIfTime(); - if (contextLost_) { - return null; - } - var obj = f.apply(ctx, arguments); - obj.__webglDebugContextLostId__ = contextId_; - resourceDb_.push(obj); - return obj; - }; - }(ctx[functionName]); - } - - var functionsThatShouldReturnNull = [ - "getActiveAttrib", - "getActiveUniform", - "getBufferParameter", - "getContextAttributes", - "getAttachedShaders", - "getFramebufferAttachmentParameter", - "getParameter", - "getProgramParameter", - "getProgramInfoLog", - "getRenderbufferParameter", - "getShaderParameter", - "getShaderInfoLog", - "getShaderSource", - "getTexParameter", - "getUniform", - "getUniformLocation", - "getVertexAttrib" - ]; - for (var ii = 0; ii < functionsThatShouldReturnNull.length; ++ii) { - var functionName = functionsThatShouldReturnNull[ii]; - wrappedContext_[functionName] = function(f) { - return function() { - loseContextIfTime(); - if (contextLost_) { - return null; - } - return f.apply(ctx, arguments); - } - }(wrappedContext_[functionName]); - } - - var isFunctions = [ - "isBuffer", - "isEnabled", - "isFramebuffer", - "isProgram", - "isRenderbuffer", - "isShader", - "isTexture" - ]; - for (var ii = 0; ii < isFunctions.length; ++ii) { - var functionName = isFunctions[ii]; - wrappedContext_[functionName] = function(f) { - return function() { - loseContextIfTime(); - if (contextLost_) { - return false; - } - return f.apply(ctx, arguments); - } - }(wrappedContext_[functionName]); - } - - wrappedContext_.checkFramebufferStatus = function(f) { - return function() { - loseContextIfTime(); - if (contextLost_) { - return wrappedContext_.FRAMEBUFFER_UNSUPPORTED; - } - return f.apply(ctx, arguments); - }; - }(wrappedContext_.checkFramebufferStatus); - - wrappedContext_.getAttribLocation = function(f) { - return function() { - loseContextIfTime(); - if (contextLost_) { - return -1; - } - return f.apply(ctx, arguments); - }; - }(wrappedContext_.getAttribLocation); - - wrappedContext_.getVertexAttribOffset = function(f) { - return function() { - loseContextIfTime(); - if (contextLost_) { - return 0; - } - return f.apply(ctx, arguments); - }; - }(wrappedContext_.getVertexAttribOffset); - - wrappedContext_.isContextLost = function() { - return contextLost_; - }; - - return wrappedContext_; - } -} - -return { - /** - * Initializes this module. Safe to call more than once. - * @param {!WebGLRenderingContext} ctx A WebGL context. If - } - * you have more than one context it doesn't matter which one - * you pass in, it is only used to pull out constants. - */ - 'init': init, - - /** - * Returns true or false if value matches any WebGL enum - * @param {*} value Value to check if it might be an enum. - * @return {boolean} True if value matches one of the WebGL defined enums - */ - 'mightBeEnum': mightBeEnum, - - /** - * Gets an string version of an WebGL enum. - * - * Example: - * WebGLDebugUtil.init(ctx); - * var str = WebGLDebugUtil.glEnumToString(ctx.getError()); - * - * @param {number} value Value to return an enum for - * @return {string} The string version of the enum. - */ - 'glEnumToString': glEnumToString, - - /** - * Converts the argument of a WebGL function to a string. - * Attempts to convert enum arguments to strings. - * - * Example: - * WebGLDebugUtil.init(ctx); - * var str = WebGLDebugUtil.glFunctionArgToString('bindTexture', 0, gl.TEXTURE_2D); - * - * would return 'TEXTURE_2D' - * - * @param {string} functionName the name of the WebGL function. - * @param {number} argumentIndx the index of the argument. - * @param {*} value The value of the argument. - * @return {string} The value as a string. - */ - 'glFunctionArgToString': glFunctionArgToString, - - /** - * Converts the arguments of a WebGL function to a string. - * Attempts to convert enum arguments to strings. - * - * @param {string} functionName the name of the WebGL function. - * @param {number} args The arguments. - * @return {string} The arguments as a string. - */ - 'glFunctionArgsToString': glFunctionArgsToString, - - /** - * Given a WebGL context returns a wrapped context that calls - * gl.getError after every command and calls a function if the - * result is not NO_ERROR. - * - * You can supply your own function if you want. For example, if you'd like - * an exception thrown on any GL error you could do this - * - * function throwOnGLError(err, funcName, args) { - * throw WebGLDebugUtils.glEnumToString(err) + - * " was caused by call to " + funcName; - * }; - * - * ctx = WebGLDebugUtils.makeDebugContext( - * canvas.getContext("webgl"), throwOnGLError); - * - * @param {!WebGLRenderingContext} ctx The webgl context to wrap. - * @param {!function(err, funcName, args): void} opt_onErrorFunc The function - * to call when gl.getError returns an error. If not specified the default - * function calls console.log with a message. - * @param {!function(funcName, args): void} opt_onFunc The - * function to call when each webgl function is called. You - * can use this to log all calls for example. - */ - 'makeDebugContext': makeDebugContext, - - /** - * Given a canvas element returns a wrapped canvas element that will - * simulate lost context. The canvas returned adds the following functions. - * - * loseContext: - * simulates a lost context event. - * - * restoreContext: - * simulates the context being restored. - * - * lostContextInNCalls: - * loses the context after N gl calls. - * - * getNumCalls: - * tells you how many gl calls there have been so far. - * - * setRestoreTimeout: - * sets the number of milliseconds until the context is restored - * after it has been lost. Defaults to 0. Pass -1 to prevent - * automatic restoring. - * - * @param {!Canvas} canvas The canvas element to wrap. - */ - 'makeLostContextSimulatingCanvas': makeLostContextSimulatingCanvas, - - /** - * Resets a context to the initial state. - * @param {!WebGLRenderingContext} ctx The webgl context to - * reset. - */ - 'resetToInitialState': resetToInitialState -}; - -}(); -/** - * @class Generic map of IDs to items - can generate own IDs or accept given IDs. IDs should be strings in order to not - * clash with internally generated IDs, which are numbers. - * @private - */ -var SceneJS_Map = function(items, _baseId) { - - /** - * @property Items in this map - */ - this.items = items || []; - - - var baseId = _baseId || 0; - var lastUniqueId = baseId + 1; - - /** - * Adds an item to the map and returns the ID of the item in the map. If an ID is given, the item is - * mapped to that ID. Otherwise, the map automatically generates the ID and maps to that. - * - * id = myMap.addItem("foo") // ID internally generated - * - * id = myMap.addItem("foo", "bar") // ID is "foo" - * - */ - this.addItem = function() { - - var item; - - if (arguments.length == 2) { - - var id = arguments[0]; - - item = arguments[1]; - - if (this.items[id]) { // Won't happen if given ID is string - throw SceneJS_error.fatalError(SceneJS.errors.ID_CLASH, "ID clash: '" + id + "'"); - } - - this.items[id] = item; - - return id; - - } else { - - while (true) { - - item = arguments[0]; - var findId = lastUniqueId++; - - if (!this.items[findId]) { - this.items[findId] = item; - return findId; - } - } - } - }; - - /** - * Removes the item of the given ID from the map - */ - this.removeItem = function(id) { - delete this.items[id]; - }; -};/** - * The SceneJS object. - */ -var SceneJS = new (function () { - - /** - * This SceneJS version - */ - this.VERSION = '3.0.0.0'; - - this._baseStateId = 0; - - /** - * @property {SceneJS_Engine} Engines currently in existance - */ - this._engines = {}; - - this._engineIds = new SceneJS_Map(); - - /** - * Creates a new scene from the given JSON description and begins rendering it - * - * @param {String} json JSON scene description - * @param {*} options Optional options - * @param {Boolean} options.simulateWebGLContextLost Set true to enable simulation of lost WebGL context (has performance impact) - * @returns {SceneJS.Scene} New scene - */ - this.createScene = function (json, options) { - - json = json || {}; - - if (json.id) { - if (this._engines[json.id]) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Scene already exists with this ID: '" + json.id + "'"); - } - this._engineIds.addItem(json.id, {}); - } else { - json.id = this._engineIds.addItem({}); - } - - var engine = new SceneJS_Engine(json, options); - - this._engines[json.id] = engine; - - SceneJS_events.fireEvent(SceneJS_events.SCENE_CREATED, { // Notify modules that need to know about new scene - engine:engine - }); - - engine.scene.start(options); - - return engine.scene; - }; - - /** - * Gets an existing scene - * - * @param {String} sceneId ID of target scene - * @deprecated - * @returns {SceneJS.Scene} The selected scene - */ - this.scene = function (sceneId) { - - var engine = this._engines[sceneId]; - - return engine ? engine.scene : null; - }; - - /** - * Gets an existing scene - * - * @param {String} sceneId ID of target scene - * @returns {SceneJS.Scene} The selected scene - */ - this.getScene = function (sceneId) { - - var engine = this._engines[sceneId]; - - return engine ? engine.scene : null; - }; - - /** - * Gets existing scenes - * - * @returns Existing scenes, mapped to their IDs - */ - this.getScenes = function () { - - var scenes = {}; - - for (var sceneId in this._engines) { - if (this._engines.hasOwnProperty(sceneId)) { - scenes[sceneId] = this._engines[sceneId].scene; - } - } - - return scenes; - }; - - /** - * Tests if the given object is an array - * @private - */ - this._isArray = function (testObject) { - return testObject && !(testObject.propertyIsEnumerable('length')) - && typeof testObject === 'object' && typeof testObject.length === 'number'; - }; - - /** - * - */ - this._shallowClone = function (o) { - var o2 = {}; - for (var name in o) { - if (o.hasOwnProperty(name)) { - o2[name] = o[name]; - } - } - return o2; - }; - - /** - * Add properties of o to o2 where undefined or null on o2 - * @private - */ - this._applyIf = function (o, o2) { - for (var name in o) { - if (o.hasOwnProperty(name)) { - if (o2[name] == undefined || o2[name] == null) { - o2[name] = o[name]; - } - } - } - return o2; - }; - - /** - * Add properties of o to o2, overwriting them on o2 if already there. - * The optional clear flag causes properties on o2 to be cleared first - * @private - */ - this._apply = function (o, o2, clear) { - var name; - if (clear) { - for (name in o2) { - if (o2.hasOwnProperty(name)) { - delete o2[name]; - } - } - } - for (name in o) { - if (o.hasOwnProperty(name)) { - o2[name] = o[name]; - } - } - return o2; - }; - - - /** - * Resets SceneJS, destroying all existing scenes - */ - this.reset = function () { - - var temp = []; - - for (var id in this._engines) { // Collect engines to destroy - if (this._engines.hasOwnProperty(id)) { - - temp.push(this._engines[id]); - - delete this._engines[id]; - - this._engineIds.removeItem(id); - } - } - - while (temp.length > 0) { // Destroy the engines - temp.pop().destroy(); - } - - SceneJS_events.fireEvent(SceneJS_events.RESET); - }; - -})(); -/** - * @private - */ -var SceneJS_eventManager = function () { - - this._handlerIds = new SceneJS_Map(); - - this.typeHandlers = {}; -}; - -/** - * - */ -SceneJS_eventManager.prototype.createEvent = function (type) { - - if (this.typeHandlers[type]) { - return; - } - - this.typeHandlers[type] = { - handlers:{}, - numSubs:0 - }; -}; - -/** - * Subscribes to an event defined on this event manager - * - * @param {String} type Event type one of the values in SceneJS_events - * @param {Function} callback Handler function that will accept whatever parameter object accompanies the event - * @return {String} handle Handle to the event binding - */ -SceneJS_eventManager.prototype.onEvent = function (type, callback) { - - var handlersForType = this.typeHandlers[type] || (this.typeHandlers[type] = { - handlers:{}, - numSubs:0 - }); - - var handlerId = this._handlerIds.addItem(type); - - var handlers = handlersForType.handlers; - handlers[handlerId] = callback; - handlersForType.numSubs++; - - return handlerId; -}; - -/** - * - */ -SceneJS_eventManager.prototype.fireEvent = function (type, params) { - - var handlersForType = this.typeHandlers[type] || (this.typeHandlers[type] = { - handlers:{}, - numSubs:0 - }); - - if (handlersForType.numSubs > 0) { - - var handlers = handlersForType.handlers; - - for (var handlerId in handlers) { - if (handlers.hasOwnProperty(handlerId)) { - handlers[handlerId](params); - } - } - } -}; - -/** - * Unsubscribes to an event previously subscribed to on this manager - * - * @param {String} handlerId Subscription handle - */ -SceneJS_eventManager.prototype.unEvent = function (handlerId) { - - var type = this._handlerIds.items[handlerId]; - if (!type) { - return; - } - - this._handlerIds.removeItem(handlerId); - - var handlers = this.typeHandlers[type]; - - if (!handlers) { - return; - } - - delete handlers[handlerId]; - this.typeHandlers[type].numSubs--; -}; -/** - * SceneJS plugin registry - */ -SceneJS.Plugins = new (function () { - - var nodePlugins = {}; - var pluginSubs = {}; - - /** - * Installs a plugin into SceneJS - */ - this.addPlugin = function (nodeType, pluginType, plugin) { - var plugins = nodePlugins[nodeType] || (nodePlugins[nodeType] = {}); - plugins[pluginType] = plugin; - }; - - /** - * Tests if given plugin is installed - */ - this.hasPlugin = function (nodeType, pluginType) { - var plugins = nodePlugins[nodeType]; - return (plugins && !!plugins[pluginType]); - }; - - /** - * Returns installed plugin of given type and ID - */ - this.getPlugin = function (nodeType, pluginType, ok) { - var plugins = nodePlugins[nodeType]; - if (plugins) { - var plugin = plugins[pluginType]; - if (plugin) { - ok(plugin); - return; - } - } - var subId = nodeType + pluginType; - var subs = pluginSubs[subId] || (pluginSubs[subId] = []); - subs.push(ok); - if (subs.length > 1) { // Not first sub - return; - } - var self = this; - var pluginPath = SceneJS_debugModule.configs.pluginPath; - if (!pluginPath) { - throw "no pluginPath config"; // Build script error - should create this config - } - var pluginFilePath = pluginPath + "/" + nodeType + "/" + pluginType + ".js"; - loadScript(pluginFilePath, - function () { - var plugin = nodePlugins[nodeType][pluginType]; - if (!plugin) { - // Plugin was not registered correctly - throw "Problem in plugin file '" + pluginFilePath + "': call to addPlugin(nodeType, pluginType, ..) : either or both args have incorrect value"; - } - while (subs.length > 0) { - subs.pop()(plugin); - } - delete pluginSubs[subId]; - }); - }; - - function loadScript(url, ok) { - var script = document.createElement("script"); - script.type = "text/javascript"; - if (script.readyState) { //IE - script.onreadystatechange = function () { - if (script.readyState == "loaded" || - script.readyState == "complete") { - script.onreadystatechange = null; - ok(); - } - }; - } else { //Others - script.onload = function () { - ok(); - }; - } - script.src = url; - document.getElementsByTagName("head")[0].appendChild(script); - } - -})();/** - * @private - */ -var SceneJS_events = new (function () { - - this.ERROR = 0; - this.RESET = 1; // SceneJS framework reset - this.NODE_CREATED = 2; // Scene has just been created - this.SCENE_CREATED = 3; // Scene has just been created - this.SCENE_COMPILING = 4; // Scene about to be compiled and drawn - this.SCENE_DESTROYED = 5; // Scene just been destroyed - this.OBJECT_COMPILING = 6; - this.WEBGL_CONTEXT_LOST = 7; - this.WEBGL_CONTEXT_RESTORED = 8; - - /* Priority queue for each type of event - */ - var events = []; - - /** - * Registers a handler for the given event and returns a subscription handle - * - * The handler can be registered with an optional priority number which specifies the order it is - * called among the other handler already registered for the event. - * - * So, with n being the number of commands registered for the given event: - * - * (priority <= 0) - command will be the first called - * (priority >= n) - command will be the last called - * (0 < priority < n) - command will be called at the order given by the priority - * @private - * @param type Event type - one of the values in SceneJS_events - * @param command - Handler function that will accept whatever parameter object accompanies the event - * @param priority - Optional priority number (see above) - * @return {String} - Subscription handle - */ - this.addListener = function (type, command, priority) { - - var list = events[type]; - - if (!list) { - list = []; - events[type] = list; - } - - var handler = { - command:command, - priority:(priority == undefined) ? list.length : priority - }; - - var index = -1; - - for (var i = 0, len = list.length; i < len; i++) { - if (!list[i]) { - index = i; - break; - } - } - - if (index < 0) { - list.push(handler); - index = list.length - 1; - } - -// -// for (var i = 0; i < list.length; i++) { -// if (list[i].priority > handler.priority) { -// list.splice(i, 0, handler); -// return i; -// } -// } - - - var handle = type + "." + index; - - return handle; - }; - - /** - * Removes a listener - * @param handle Subscription handle - */ - this.removeListener = function (handle) { - - var lastIdx = handle.lastIndexOf("."); - - var type = parseInt(handle.substr(0, lastIdx)); - var index = parseInt(handle.substr(lastIdx + 1)); - - var list = events[type]; - - if (!list) { - return; - } - - delete list[index]; - }; - - /** - * @private - */ - this.fireEvent = function (type, params) { - - var list = events[type]; - - if (list) { - params = params || {}; - for (var i = 0; i < list.length; i++) { - if (list[i]) { - list[i].command(params); - } - } - } - }; - -})(); - - -/** - * Subscribe to SceneJS events - * @deprecated - */ -SceneJS.bind = function (name, func) { - switch (name) { - - case "error" : - - return SceneJS_events.addListener(SceneJS_events.ERROR, func); - break; - - case "reset" : - - return SceneJS_events.addListener( - SceneJS_events.RESET, - function () { - func(); - }); - break; - - case "webglcontextlost" : - - return SceneJS_events.addListener( - SceneJS_events.WEBGL_CONTEXT_LOST, - function (params) { - func(params); - }); - break; - - case "webglcontextrestored" : - - return SceneJS_events.addListener( - SceneJS_events.WEBGL_CONTEXT_RESTORED, - function (params) { - func(params); - }); - break; - - default: - throw SceneJS_error.fatalError("SceneJS.bind - this event type not supported: '" + name + "'"); - } -}; - -/* Subscribe to SceneJS events - * @deprecated - */ -SceneJS.onEvent = SceneJS.bind; - -/* Unsubscribe from event - */ -SceneJS.unEvent = function (handle) { - return SceneJS_events.removeListener(handle); -}; - -SceneJS.subscribe = SceneJS.addListener = SceneJS.onEvent = SceneJS.bind; - -SceneJS.unsubscribe = SceneJS.unEvent; - - -SceneJS.on = SceneJS.onEvent; -SceneJS.off = SceneJS.unEvent; - - - -/** - * - */ -var SceneJS_Canvas = function (id, canvasId, contextAttr, options) { - - /** - * ID of this canvas - */ - this.canvasId; - - if (!canvasId) { - // Automatic default canvas - canvasId = "canvas-" + id; - var body = document.getElementsByTagName("body")[0]; - var newdiv = document.createElement('div'); - newdiv.style.height = "100%"; - newdiv.style.width = "100%"; - newdiv.style.padding = "0"; - newdiv.style.margin = "0"; - newdiv.innerHTML += ''; - body.appendChild(newdiv); - } - - // Bind to canvas - var canvas = document.getElementById(canvasId); - if (!canvas) { - throw SceneJS_error.fatalError(SceneJS.errors.CANVAS_NOT_FOUND, - "SceneJS.Scene attribute 'canvasId' does not match any elements in the page"); - } - this.canvasId = canvasId; - - /** - * WebGL context options - */ - this.options = options || {}; - - this.canvas = (this.options.simulateWebGLContextLost) - ? WebGLDebugUtils.makeLostContextSimulatingCanvas(canvas) - : canvas; - - // If the canvas uses css styles to specify the sizes make sure the basic - // width and height attributes match or the WebGL context will use 300 x 150 - - this.canvas.width = this.canvas.clientWidth; - this.canvas.height = this.canvas.clientHeight; - - /** - * Attributes given when initialising the WebGL context - */ - this.contextAttr = contextAttr; - - /** - * The WebGL context - */ - this.gl = null; - - this.initWebGL(); -}; - -/** - * Names of recognised WebGL contexts - */ -SceneJS_Canvas.prototype._WEBGL_CONTEXT_NAMES = [ - "webgl", - "experimental-webgl", - "webkit-3d", - "moz-webgl", - "moz-glweb20" -]; - -/** - * Initialise the WebGL context - - */ -SceneJS_Canvas.prototype.initWebGL = function () { - - for (var i = 0; !this.gl && i < this._WEBGL_CONTEXT_NAMES.length; i++) { - try { - this.gl = this.canvas.getContext(this._WEBGL_CONTEXT_NAMES[i], this.contextAttr); - - } catch (e) { // Try with next context name - } - } - - if (!this.gl) { - throw SceneJS_error.fatalError( - SceneJS.errors.WEBGL_NOT_SUPPORTED, - 'Failed to get a WebGL context'); - } - -// this.gl.clearColor(1.0, 1.0, 1.0, 1.0); - this.gl.clearDepth(1.0); - this.gl.enable(this.gl.DEPTH_TEST); - this.gl.disable(this.gl.CULL_FACE); - this.gl.depthRange(0, 1); - this.gl.disable(this.gl.SCISSOR_TEST); -}; - - -/** - * Simulate a lost WebGL context. - * Only works if the simulateWebGLContextLost was given as an option to the canvas' constructor. - */ -SceneJS_Canvas.prototype.loseWebGLContext = function () { - if (this.options.simulateWebGLContextLost) { - this.canvas.loseContext(); - } -};/** - * @class A container for a scene graph and its display - * - * - * @private - */ -var SceneJS_Engine = function (json, options) { - - json.type = "scene"; // The type property supplied by user on the root JSON node is ignored - would always be 'scene' - - /** - * ID of this engine, also the ID of this engine's {@link SceneJS.Scene} - * @type String - */ - this.id = json.id; - - /** - * Canvas and GL context for this engine - */ - this.canvas = new SceneJS_Canvas(this.id, json.canvasId, json.contextAttr, options); - - /** - * Manages firing of and subscription to events - */ - this.events = new SceneJS_eventManager(); - - /** - * State core factory - creates, stores, shares and destroys cores - */ - this._coreFactory = new SceneJS_CoreFactory(); - - /** - * Manages creation, recycle and destruction of {@link SceneJS.Node} instances for this engine's scene graph - */ - this._nodeFactory = new SceneJS_NodeFactory(); - - /** - * The engine's scene renderer - * @type SceneJS_Display - */ - this.display = new SceneJS_Display({ - canvas:this.canvas - }); - - /** - * Flags the entirety of the scene graph as needing to be (re)compiled into the display - */ - this.sceneDirty = false; - - /** - * Flag set when at least one branch of the scene graph needs recompilation - */ - this._sceneBranchesDirty = false; - - /** - * List of nodes scheduled for destruction by #destroyNode - * Destructions are done in a batch at the end of each render so as not to disrupt the render. - */ - this._nodesToDestroy = []; - - /** - * Number of nodes in destruction list - */ - this._numNodesToDestroy = 0; - - /** - * Flag which is set while this engine is running - set after call to #start, unset after #stop or #pause - */ - this.running = false; - - /** - * Flag which is set while this engine is paused - set after call to #pause, unset after #stop or #start - */ - this.paused = false; - - /** - * Flag set once this engine has been destroyed - */ - this.destroyed = false; - - /** - * The current scene graph status - */ - this.sceneStatus = { - nodes:{}, // Status for each node - numLoading:0 // Number of loads currently in progress - }; - - var self = this; - - - // Create scene root first, then create its subnodes - // This way nodes can access the scene in their constructors - var nodes = json.nodes; - json.nodes = null; - this.scene = this.createNode(json); - json.nodes = nodes; - this.scene.addNodes(nodes); - - this.canvas.canvas.addEventListener(// WebGL context lost - "webglcontextlost", - function (event) { - event.preventDefault(); - SceneJS_events.fireEvent(SceneJS_events.WEBGL_CONTEXT_LOST, { scene:self.scene }); - }, - false); - - this.canvas.canvas.addEventListener(// WebGL context recovered - "webglcontextrestored", - function (event) { - event.preventDefault(); - self.canvas.initWebGL(); - self._coreFactory.webglRestored(); // Reallocate WebGL resources for node state cores - self.display.webglRestored(); // Reallocate shaders and re-cache shader var locations for display state chunks - SceneJS_events.fireEvent(SceneJS_events.WEBGL_CONTEXT_RESTORED, { scene:self.scene }); - }, - false); -}; - - -/** - * Simulate a lost WebGL context. - * Only works if the simulateWebGLContextLost was given as an option to the engine's constructor. - */ -SceneJS_Engine.prototype.loseWebGLContext = function () { - this.canvas.loseWebGLContext(); -}; - -/** - * Recursively parse the given JSON scene graph representation and return a scene (sub)graph. - * - * @param {Object} json JSON definition of a scene graph or subgraph - * @param {Function} ok Callback fired when node created, with the node as argument - */ -SceneJS_Engine.prototype.createNode = function (json, ok) { - json.type = json.type || "node"; // Nodes are SceneJS.Node type by default - var core = this._coreFactory.getCore(json.type, json.coreId); // Create or share a core - var self = this; - return this._nodeFactory.getNode( - this, json, core, - function (node) { - // Create child nodes - if (json.nodes) { - var numNodes = 0; - for (var i = 0, len = json.nodes.length; i < len; i++) { - self.createNode( - json.nodes[i], - function (childNode) { - node.addNode(childNode); - if (++numNodes == len) { - if (ok) { - ok(node); - } - self.scene._publish("nodes/" + node.id, node); - } - }); - } - } else { - if (ok) { - ok(node); - self.scene._publish("nodes/" + node.id, node); - } - } - }); -}; - -/** - * Finds the node with the given ID in this engine's scene graph - * @return {SceneJS.Node} The node if found, else null - */ -SceneJS_Engine.prototype.findNode = function (nodeId) { - return this._nodeFactory.nodes.items[nodeId]; -}; - -/** Finds nodes in this engine's scene graph that have nodes IDs matching the given regular expression - * @param {String} nodeIdRegex Regular expression to match on node IDs - * @return {[SceneJS.Node]} Array of nodes whose IDs match the given regex - */ -SceneJS_Engine.prototype.findNodes = function (nodeIdRegex) { - - var regex = new RegExp(nodeIdRegex); - var nodes = []; - var nodeMap = this._nodeFactory.nodes.items; - - for (var nodeId in nodeMap) { - if (nodeMap.hasOwnProperty(nodeId)) { - - if (regex.test(nodeId)) { - nodes.push(nodeMap[nodeId]); - } - } - } - - return nodes; -}; - -/** - * Schedules the given subtree of this engine's {@link SceneJS.Scene} for recompilation - * - * @param {SceneJS.Node} node Root node of the subtree to recompile - */ -SceneJS_Engine.prototype.branchDirty = function (node) { - - if (this.sceneDirty) { - return; // Whole scene will recompile anyway - } - - /* Dealing with some weirdness with the embedded window and iframe / window fascism. - */ - if (node == window) { - return; - } - - node.branchDirty = true; - node.dirty = true; - - for (var n = node.parent; n && !(n.dirty || n.branchDirty); n = n.parent) { // Flag path down to this node - n.dirty = true; - } - - this._sceneBranchesDirty = true; -}; - - -SceneJS_Engine.prototype.nodeLoading = function (node) { - - var nodeStatus = this.sceneStatus.nodes[node.id] || (this.sceneStatus.nodes[node.id] = { numLoading:0 }); - - nodeStatus.numLoading++; - - this.sceneStatus.numLoading++; - - this.events.fireEvent("loading", this.sceneStatus); -}; - -SceneJS_Engine.prototype.nodeLoaded = function (node) { - - var nodeStatus = this.sceneStatus.nodes[node.id]; - - if (!nodeStatus) { - return; - } - - nodeStatus.numLoading--; - - this.sceneStatus.numLoading--; - - if (nodeStatus.numLoading == 0) { - delete this.sceneStatus.nodes[node.id]; - } - - this.events.fireEvent("loaded", this.sceneStatus); -}; - - -/** - * Renders a single frame. Does any pending scene compilations or draw graph updates first. - * Ordinarily the frame is rendered only if compilations or draw graph updates were performed, - * but may be forced to render the frame regardless. - * - * @param {{String:String}} params Rendering parameters - */ -SceneJS_Engine.prototype.renderFrame = function (params) { - - if (this._tryCompile() || (params && params.force)) { // Do any pending (re)compilations - -// var eventParams = { -// sceneId: this.id -// }; -// - //self.events.fireEvent("tick", eventParams); - - this.display.render(params); - - return true; - } - - return false; -}; - -/** - * Starts the render loop on this engine. - * @params cfg Render loop configs - * @params cfg.idleFunc {Function} Callback to call on each loop iteration - * @params cfg.frameFunc {Function} Callback to call after a render is done to update the scene image - * @params cfg.sleepFunc {Function} - */ -SceneJS_Engine.prototype.start = function (cfg) { - - if (!this.running) { - - cfg = cfg || {}; - - this.running = true; - this.paused = false; - - var self = this; - var fnName = "__scenejs_sceneLoop" + this.id; - - var sleeping = false; - - this.sceneDirty = true; - - var tick = { - sceneId:this.id, - startTime:(new Date()).getTime() - }; - - self.events.fireEvent("started", tick); - - var time = (new Date()).getTime(); - - var scene = this.scene; - - window[fnName] = function () { - - if (self.running && !self.paused) { // idleFunc may have paused scene - - tick.prevTime = time; - time = (new Date()).getTime(); - tick.time = time; - - - scene._publish("tick", tick); - - if (!self.running) { // idleFunc may have destroyed scene - return; - } - - if (self._tryCompile()) { // Attempt pending compile and redraw - - sleeping = false; - - self.display.render(); - - scene._publish("rendered", tick); - - window.requestAnimationFrame(window[fnName]); - - } else { - - if (!sleeping) { - scene._publish("sleep", tick); - } - - sleeping = true; - - window.requestAnimationFrame(window[fnName]); - } - } else { - - window.requestAnimationFrame(window[fnName]); - } - }; - - this._startCfg = cfg; - - window.requestAnimationFrame(window[fnName]); - } -}; - -/** - * Performs a pick on this engine and returns a hit record containing at least the name of the picked - * scene object (as configured by SceneJS.Name nodes) and the canvas pick coordinates. Ordinarily, picking - * is the simple GPU color-name mapped method, but this method can instead perform a ray-intersect pick - * when the 'rayPick' flag is set on the options parameter for this method. For that mode, this method will - * also find the intersection point on the picked object's near surface with a ray cast from the eye that passes - * through the mouse position on the projection plane. - * - * @param {Number} canvasX X-axis canvas pick coordinate - * @param {Number} canvasY Y-axis canvas pick coordinate - * @param options Pick options - * @param options.rayPick Performs additional ray-intersect pick when true - * @returns The pick record - */ -SceneJS_Engine.prototype.pick = function (canvasX, canvasY, options) { - - this._tryCompile(); // Do any pending scene compilations - - var hit = this.display.pick({ - canvasX:canvasX, - canvasY:canvasY, - rayPick:options ? options.rayPick : false - }); - - if (hit) { - hit.canvasX = canvasX; - hit.canvasY = canvasY; - } - - return hit; -}; - -/** - * Performs any pending scene compilations or display rebuilds, returns true if any of those were done, - * in which case a display re-render is then needed - * - * @returns {Boolean} True when any compilations or display rebuilds were done - */ -SceneJS_Engine.prototype._tryCompile = function () { - - if (this.display.imageDirty // Frame buffer needs redraw - || this.display.drawListDirty // Draw list needs rebuild - || this.display.stateSortDirty // Draw list needs to redetermine state order - || this.display.stateOrderDirty // Draw list needs state sort - || this.display.objectListDirty // Draw list needs to be rebuilt - || this._sceneBranchesDirty // One or more branches in scene graph need (re)compilation - || this.sceneDirty) { // Whole scene needs recompilation - - this._doDestroyNodes(); // Garbage collect destroyed nodes - node destructions set imageDirty true - - if (this._sceneBranchesDirty || this.sceneDirty) { // Need scene graph compilation - - SceneJS_events.fireEvent(SceneJS_events.SCENE_COMPILING, { // Notify compilation support start - engine:this // Compilation support modules get ready - }); - - this.scene._compileNodes(); // Begin depth-first compilation descent into scene sub-nodes - } - - this._sceneBranchesDirty = false; - this.sceneDirty = false; - - return true; // Compilation was performed, need frame redraw now - } - - return false; -}; - -/** - * Pauses/unpauses the render loop - * @param {Boolean} doPause Pauses or unpauses the render loop - */ -SceneJS_Engine.prototype.pause = function (doPause) { - this.paused = doPause; -}; - -/** - * Stops the render loop - */ -SceneJS_Engine.prototype.stop = function () { - - if (this.running) { - - this.running = false; - this.paused = false; - - window["__scenejs_sceneLoop" + this.id] = null; - - // this.events.fireEvent("stopped", { sceneId:this.id }); - } -}; - -/** - * Destroys a node within this engine's {@link SceneJS.Scene} - * - * @param {SceneJS.Node} node Node to destroy - */ -SceneJS_Engine.prototype.destroyNode = function (node) { - - /* The node is actually scheduled for lazy destruction within the next invocation of #_tryCompile - */ - this._nodesToDestroy[this._numNodesToDestroy++] = node; - - /* Stop tracking node's status - */ - var nodeStatus = this.sceneStatus.nodes[node.id]; - - if (nodeStatus) { - this.sceneStatus.numLoading -= nodeStatus.numLoading; - delete this.sceneStatus.nodes[node.id]; - } -}; - -/** - * Performs pending node destructions. When destroyed, each node and its core is released back to the - * node and core pools for reuse, respectively. - */ -SceneJS_Engine.prototype._doDestroyNodes = function () { - - var node; - - while (this._numNodesToDestroy > 0) { - - node = this._nodesToDestroy[--this._numNodesToDestroy]; - - node._doDestroy(); - - this._coreFactory.putCore(node._core); // Release state core for reuse - - this._nodeFactory.putNode(node); // Release node for reuse - } -}; - -/** - * Destroys this engine - */ -SceneJS_Engine.prototype.destroy = function () { - - this.destroyed = true; - - //this.events.fireEvent("destroyed", { sceneId:this.id }); -}; - -/*--------------------------------------------------------------------------------------------------------------------- - * JavaScript augmentations to support render loop - *--------------------------------------------------------------------------------------------------------------------*/ - -if (!self.Int32Array) { - self.Int32Array = Array; - self.Float32Array = Array; -} - -// Ripped off from THREE.js - https://github.com/mrdoob/three.js/blob/master/src/Three.js -// http://paulirish.com/2011/requestanimationframe-for-smart-animating/ -// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating - -(function () { - var lastTime = 0; - var vendors = ['ms', 'moz', 'webkit', 'o']; - for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) { - window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame']; - window.cancelAnimationFrame = window[vendors[x] + 'CancelAnimationFrame'] - || window[vendors[x] + 'RequestCancelAnimationFrame']; - } - - if (!window.requestAnimationFrame) - window.requestAnimationFrame = function (callback, element) { - var currTime = new Date().getTime(); - var timeToCall = Math.max(0, 16 - (currTime - lastTime)); - var id = window.setTimeout(function () { - callback(currTime + timeToCall); - }, - timeToCall); - lastTime = currTime + timeToCall; - return id; - }; - - if (!window.cancelAnimationFrame) - window.cancelAnimationFrame = function (id) { - clearTimeout(id); - }; -}()); -/** - * Backend module that provides single point through which exceptions may be raised - * - * @class SceneJS_error - * @private - */ -var SceneJS_error = new (function() { - - var activeSceneId; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, // Set default logging for scene root - function(params) { - activeSceneId = params.engine.id; - }); - - SceneJS_events.addListener( - SceneJS_events.RESET, - function() { - activeSceneId = null; - }, - 100000); // Really low priority - must be reset last - - this.fatalError = function(code, message) { - if (typeof code == "string") { - message = code; - code = SceneJS.errors.ERROR; - } - var error = { - errorName: SceneJS.errors._getErrorName(code) || "ERROR", - code: code, - exception: message, - fatal: true - }; - if (activeSceneId) { - error.sceneId = activeSceneId; - } - SceneJS_events.fireEvent(SceneJS_events.ERROR, error); - return message; - }; - - this.error = function(code, message) { - var error = { - errorName: SceneJS.errors._getErrorName(code) || "ERROR", - code: code, - exception: message, - fatal: false - }; - if (activeSceneId) { - error.sceneId = activeSceneId; - } - SceneJS_events.fireEvent(SceneJS_events.ERROR, error); - }; -})(); - -(function() { - SceneJS.errors = {}; - - var n = 0; - SceneJS.errors.ERROR = n++; - SceneJS.errors.WEBGL_NOT_SUPPORTED = n++; - SceneJS.errors.WEBGL_CONTEXT_LOST = n++; - SceneJS.errors.NODE_CONFIG_EXPECTED = n++; - SceneJS.errors.ILLEGAL_NODE_CONFIG = n++; - SceneJS.errors.SHADER_COMPILATION_FAILURE = n++; - SceneJS.errors.SHADER_LINK_FAILURE = n++; - SceneJS.errors.CANVAS_NOT_FOUND = n++; - SceneJS.errors.OUT_OF_VRAM = n++; - SceneJS.errors.WEBGL_UNSUPPORTED_NODE_CONFIG = n++; - SceneJS.errors.NODE_NOT_FOUND = n++; - SceneJS.errors.NODE_ILLEGAL_STATE = n++; - SceneJS.errors.ID_CLASH = n++; - SceneJS.errors.PLUGIN_INVALID = n++; -})(); - -SceneJS.errors._getErrorName = function(code) { - for (var key in SceneJS.errors) { - if (SceneJS.errors.hasOwnProperty(key) && SceneJS.errors[key] == code) { - return key; - } - } - return null; -}; - -/** - * Backend that manages configurations. - * - * @class SceneJS_debugModule - * @private - */ -var SceneJS_debugModule = new (function() { - - this.configs = {}; - - this.getConfigs = function(path) { - if (!path) { - return this.configs; - } else { - var cfg = this.configs; - var parts = path.split("."); - for (var i = 0; cfg && i < parts.length; i++) { - cfg = cfg[parts[i]]; - } - return cfg || {}; - } - }; - - this.setConfigs = function(path, data) { - if (!path) { - this.configs = data; - } else { - var parts = path.split("."); - var cfg = this.configs; - var subCfg; - var name; - for (var i = 0; i < parts.length - 1; i++) { - name = parts[i]; - subCfg = cfg[name]; - if (!subCfg) { - subCfg = cfg[name] = {}; - } - cfg = subCfg; - } - cfg[parts.length - 1] = data; - } - }; - -})(); - -/** Sets configurations. - */ -SceneJS.configure = SceneJS.setConfigs = SceneJS.setDebugConfigs = function () { - if (arguments.length == 1) { - SceneJS_debugModule.setConfigs(null, arguments[0]); - } else if (arguments.length == 2) { - SceneJS_debugModule.setConfigs(arguments[0], arguments[1]); - } else { - throw SceneJS_error.fatalError("Illegal arguments given to SceneJS.setDebugs - should be either ({String}:name, {Object}:cfg) or ({Object}:cfg)"); - } -}; - -/** Gets configurations - */ -SceneJS.getConfigs = SceneJS.getDebugConfigs = function (path) { - return SceneJS_debugModule.getConfigs(path); -}; - -/** - * @class Manages logging - * @private - */ -SceneJS.log = new (function() { - - var activeSceneId; - var funcs = null; - var queues = {}; - var indent = 0; - var indentStr = ""; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, // Set default logging for scene root - function(params) { - activeSceneId = params.engine.id; - }); - - SceneJS_events.addListener( - SceneJS_events.RESET, - function() { - queues = {}; - funcs = null; - activeSceneId = null; - }, - 100000); // Really low priority - must be reset last - - this._setIndent = function(_indent) { - indent = _indent; - var indentArray = []; - for (var i = 0; i < indent; i++) { - indentArray.push("----"); - } - indentStr = indentArray.join(""); - }; - - this.error = function(msg) { - this._log("error", msg); - }; - - this.warn = function(msg) { - this._log("warn", msg); - }; - - this.info = function(msg) { - this._log("info", msg); - }; - - this.debug = function(msg) { - this._log("debug", msg); - }; - - this.setFuncs = function(l) { - if (l) { - funcs = l; - for (var channel in queues) { - this._flush(channel); - } - } - }; - - this._flush = function(channel) { - var queue = queues[channel]; - if (queue) { - var func = funcs ? funcs[channel] : null; - if (func) { - for (var i = 0; i < queue.length; i++) { - func(queue[i]); - } - queues[channel] = []; - } - } - }; - - this._log = function(channel, message) { - if (SceneJS._isArray(message)) { - for (var i = 0; i < message.length; i++) { - this.__log(channel, message[i]); - } - } else { - this.__log(channel, message); - } - }; - - this.__log = function(channel, message) { - message = activeSceneId - ? indentStr + activeSceneId + ": " + message - : indentStr + message; - - if (funcs && funcs[channel]) { - funcs[channel](message); - - } else if (console && console[channel]) { - console[channel](message); - } - }; - - this.getFuncs = function() { - return funcs; - }; - -})();/* - * Optimizations made based on glMatrix by Brandon Jones - */ - -/* - * Copyright (c) 2010 Brandon Jones - * - * This software is provided 'as-is', without any express or implied - * warranty. In no event will the authors be held liable for any damages - * arising from the use of this software. - * - * Permission is granted to anyone to use this software for any purpose, - * including commercial applications, and to alter it and redistribute it - * freely, subject to the following restrictions: - * - * 1. The origin of this software must not be misrepresented; you must not - * claim that you wrote the original software. If you use this software - * in a product, an acknowledgment in the product documentation would be - * appreciated but is not required. - * - * 2. Altered source versions must be plainly marked as such, and must not - * be misrepresented as being the original software. - * - * 3. This notice may not be removed or altered from any source - * distribution. - */ - - -/** - * @param u vec3 - * @param v vec3 - * @param dest vec3 - optional destination - * @return {vec3} dest if specified, u otherwise - * @private - */ -var SceneJS_math_divVec3 = function(u, v, dest) { - if (!dest) { - dest = u; - } - - dest[0] = u[0] / v[0]; - dest[1] = u[1] / v[1]; - dest[2] = u[2] / v[2]; - - return dest; -}; - -/** - * @param v vec4 - * @param dest vec4 - optional destination - * @return {vec4} dest if specified, v otherwise - * @private - */ -var SceneJS_math_negateVector4 = function(v, dest) { - if (!dest) { - dest = v; - } - dest[0] = -v[0]; - dest[1] = -v[1]; - dest[2] = -v[2]; - dest[3] = -v[3]; - - return dest; -}; - -/** - * @param u vec4 - * @param v vec4 - * @param dest vec4 - optional destination - * @return {vec4} dest if specified, u otherwise - * @private - */ -var SceneJS_math_addVec4 = function(u, v, dest) { - if (!dest) { - dest = u; - } - - dest[0] = u[0] + v[0]; - dest[1] = u[1] + v[1]; - dest[2] = u[2] + v[2]; - dest[3] = u[3] + v[3]; - - return dest; -}; - - -/** - * @param v vec4 - * @param s scalar - * @param dest vec4 - optional destination - * @return {vec4} dest if specified, v otherwise - * @private - */ -var SceneJS_math_addVec4s = function(v, s, dest) { - if (!dest) { - dest = v; - } - - dest[0] = v[0] + s; - dest[1] = v[1] + s; - dest[2] = v[2] + s; - dest[3] = v[3] + s; - - return dest; -}; - -/** - * @param u vec3 - * @param v vec3 - * @param dest vec3 - optional destination - * @return {vec3} dest if specified, u otherwise - * @private - */ -var SceneJS_math_addVec3 = function(u, v, dest) { - if (!dest) { - dest = u; - } - - dest[0] = u[0] + v[0]; - dest[1] = u[1] + v[1]; - dest[2] = u[2] + v[2]; - - return dest; -}; - -/** - * @param v vec3 - * @param s scalar - * @param dest vec3 - optional destination - * @return {vec3} dest if specified, v otherwise - * @private - */ -var SceneJS_math_addVec3s = function(v, s, dest) { - if (!dest) { - dest = v; - } - - dest[0] = v[0] + s; - dest[1] = v[1] + s; - dest[2] = v[2] + s; - - return dest; -}; - -/** @private */ -var SceneJS_math_addScalarVec4 = function(s, v, dest) { - return SceneJS_math_addVec4s(v, s, dest); -}; - -/** - * @param u vec4 - * @param v vec4 - * @param dest vec4 - optional destination - * @return {vec4} dest if specified, u otherwise - * @private - */ -var SceneJS_math_subVec4 = function(u, v, dest) { - if (!dest) { - dest = u; - } - - dest[0] = u[0] - v[0]; - dest[1] = u[1] - v[1]; - dest[2] = u[2] - v[2]; - dest[3] = u[3] - v[3]; - - return dest; -}; - -/** - * @param u vec3 - * @param v vec3 - * @param dest vec3 - optional destination - * @return {vec3} dest if specified, v otherwise - * @private - */ -var SceneJS_math_subVec3 = function(u, v, dest) { - if (!dest) { - dest = u; - } - - dest[0] = u[0] - v[0]; - dest[1] = u[1] - v[1]; - dest[2] = u[2] - v[2]; - - return dest; -}; - -var SceneJS_math_lerpVec3 = function(t, t1, t2, p1, p2) { - var f2 = (t - t1) / (t2 - t1); - var f1 = 1.0 - f2; - return { - x: p1.x * f1 + p2.x * f2, - y: p1.y * f1 + p2.y * f2, - z: p1.z * f1 + p2.z * f2 - }; -}; - - -/** - * @param u vec2 - * @param v vec2 - * @param dest vec2 - optional destination - * @return {vec2} dest if specified, u otherwise - * @private - */ -var SceneJS_math_subVec2 = function(u, v, dest) { - if (!dest) { - dest = u; - } - - dest[0] = u[0] - v[0]; - dest[1] = u[1] - v[1]; - - return dest; -}; - -/** - * @param v vec4 - * @param s scalar - * @param dest vec4 - optional destination - * @return {vec4} dest if specified, v otherwise - * @private - */ -var SceneJS_math_subVec4Scalar = function(v, s, dest) { - if (!dest) { - dest = v; - } - - dest[0] = v[0] - s; - dest[1] = v[1] - s; - dest[2] = v[2] - s; - dest[3] = v[3] - s; - - return dest; -}; - -/** - * @param v vec4 - * @param s scalar - * @param dest vec4 - optional destination - * @return {vec4} dest if specified, v otherwise - * @private - */ -var SceneJS_math_subScalarVec4 = function(v, s, dest) { - if (!dest) { - dest = v; - } - - dest[0] = s - v[0]; - dest[1] = s - v[1]; - dest[2] = s - v[2]; - dest[3] = s - v[3]; - - return dest; -}; - -/** - * @param u vec4 - * @param v vec4 - * @param dest vec4 - optional destination - * @return {vec4} dest if specified, u otherwise - * @private - */ -var SceneJS_math_mulVec4 = function(u, v, dest) { - if (!dest) { - dest = u; - } - - dest[0] = u[0] * v[0]; - dest[1] = u[1] * v[1]; - dest[2] = u[2] * v[2]; - dest[3] = u[3] * v[3]; - - return dest; -}; - -/** - * @param v vec4 - * @param s scalar - * @param dest vec4 - optional destination - * @return {vec4} dest if specified, v otherwise - * @private - */ -var SceneJS_math_mulVec4Scalar = function(v, s, dest) { - if (!dest) { - dest = v; - } - - dest[0] = v[0] * s; - dest[1] = v[1] * s; - dest[2] = v[2] * s; - dest[3] = v[3] * s; - - return dest; -}; - - -/** - * @param v vec3 - * @param s scalar - * @param dest vec3 - optional destination - * @return {vec3} dest if specified, v otherwise - * @private - */ -var SceneJS_math_mulVec3Scalar = function(v, s, dest) { - if (!dest) { - dest = v; - } - - dest[0] = v[0] * s; - dest[1] = v[1] * s; - dest[2] = v[2] * s; - - return dest; -}; - -/** - * @param v vec2 - * @param s scalar - * @param dest vec2 - optional destination - * @return {vec2} dest if specified, v otherwise - * @private - */ -var SceneJS_math_mulVec2Scalar = function(v, s, dest) { - if (!dest) { - dest = v; - } - - dest[0] = v[0] * s; - dest[1] = v[1] * s; - - return dest; -}; - - -/** - * @param u vec4 - * @param v vec4 - * @param dest vec4 - optional destination - * @return {vec4} dest if specified, u otherwise - * @private - */ -var SceneJS_math_divVec4 = function(u, v, dest) { - if (!dest) { - dest = u; - } - - dest[0] = u[0] / v[0]; - dest[1] = u[1] / v[1]; - dest[2] = u[2] / v[2]; - dest[3] = u[3] / v[3]; - - return dest; -}; - -/** - * @param v vec3 - * @param s scalar - * @param dest vec3 - optional destination - * @return {vec3} dest if specified, v otherwise - * @private - */ -var SceneJS_math_divScalarVec3 = function(s, v, dest) { - if (!dest) { - dest = v; - } - - dest[0] = s / v[0]; - dest[1] = s / v[1]; - dest[2] = s / v[2]; - - return dest; -}; - -/** - * @param v vec3 - * @param s scalar - * @param dest vec3 - optional destination - * @return {vec3} dest if specified, v otherwise - * @private - */ -var SceneJS_math_divVec3s = function(v, s, dest) { - if (!dest) { - dest = v; - } - - dest[0] = v[0] / s; - dest[1] = v[1] / s; - dest[2] = v[2] / s; - - return dest; -}; - -/** - * @param v vec4 - * @param s scalar - * @param dest vec4 - optional destination - * @return {vec4} dest if specified, v otherwise - * @private - */ -var SceneJS_math_divVec4s = function(v, s, dest) { - if (!dest) { - dest = v; - } - - dest[0] = v[0] / s; - dest[1] = v[1] / s; - dest[2] = v[2] / s; - dest[3] = v[3] / s; - - return dest; -}; - - -/** - * @param s scalar - * @param v vec4 - * @param dest vec4 - optional destination - * @return {vec4} dest if specified, v otherwise - * @private - */ -var SceneJS_math_divScalarVec4 = function(s, v, dest) { - if (!dest) { - dest = v; - } - - dest[0] = s / v[0]; - dest[1] = s / v[1]; - dest[2] = s / v[2]; - dest[3] = s / v[3]; - - return dest; -}; - - -/** @private */ -var SceneJS_math_dotVector4 = function(u, v) { - return (u[0] * v[0] + u[1] * v[1] + u[2] * v[2] + u[3] * v[3]); -}; - -/** @private */ -var SceneJS_math_cross3Vec4 = function(u, v) { - var u0 = u[0], u1 = u[1], u2 = u[2]; - var v0 = v[0], v1 = v[1], v2 = v[2]; - return [ - u1 * v2 - u2 * v1, - u2 * v0 - u0 * v2, - u0 * v1 - u1 * v0, - 0.0]; -}; - -/** - * @param u vec3 - * @param v vec3 - * @param dest vec3 - optional destination - * @return {vec3} dest if specified, u otherwise - * @private - */ -var SceneJS_math_cross3Vec3 = function(u, v, dest) { - if (!dest) { - dest = u; - } - - var x = u[0], y = u[1], z = u[2]; - var x2 = v[0], y2 = v[1], z2 = v[2]; - - dest[0] = y * z2 - z * y2; - dest[1] = z * x2 - x * z2; - dest[2] = x * y2 - y * x2; - - return dest; -}; - -/** @private */ -var SceneJS_math_sqLenVec4 = function(v) { - return SceneJS_math_dotVector4(v, v); -}; - -/** @private */ -var SceneJS_math_lenVec4 = function(v) { - return Math.sqrt(SceneJS_math_sqLenVec4(v)); -}; - -/** @private */ -var SceneJS_math_dotVector3 = function(u, v) { - return (u[0] * v[0] + u[1] * v[1] + u[2] * v[2]); -}; - -/** @private */ -var SceneJS_math_dotVector2 = function(u, v) { - return (u[0] * v[0] + u[1] * v[1]); -}; - -/** @private */ -var SceneJS_math_sqLenVec3 = function(v) { - return SceneJS_math_dotVector3(v, v); -}; - -/** @private */ -var SceneJS_math_sqLenVec2 = function(v) { - return SceneJS_math_dotVector2(v, v); -}; - -/** @private */ -var SceneJS_math_lenVec3 = function(v) { - return Math.sqrt(SceneJS_math_sqLenVec3(v)); -}; - -/** @private */ -var SceneJS_math_lenVec2 = function(v) { - return Math.sqrt(SceneJS_math_sqLenVec2(v)); -}; - -/** - * @param v vec3 - * @param dest vec3 - optional destination - * @return {vec3} dest if specified, v otherwise - * @private - */ -var SceneJS_math_rcpVec3 = function(v, dest) { - return SceneJS_math_divScalarVec3(1.0, v, dest); -}; - -/** - * @param v vec4 - * @param dest vec4 - optional destination - * @return {vec4} dest if specified, v otherwise - * @private - */ -var SceneJS_math_normalizeVec4 = function(v, dest) { - var f = 1.0 / SceneJS_math_lenVec4(v); - return SceneJS_math_mulVec4Scalar(v, f, dest); -}; - -/** @private */ -var SceneJS_math_normalizeVec3 = function(v, dest) { - var f = 1.0 / SceneJS_math_lenVec3(v); - return SceneJS_math_mulVec3Scalar(v, f, dest); -}; - -// @private -var SceneJS_math_normalizeVec2 = function(v, dest) { - var f = 1.0 / SceneJS_math_lenVec2(v); - return SceneJS_math_mulVec2Scalar(v, f, dest); -}; - -/** @private */ -var SceneJS_math_mat4 = function() { - return new Array(16); -}; - -/** @private */ -var SceneJS_math_dupMat4 = function(m) { - return m.slice(0, 16); -}; - -/** @private */ -var SceneJS_math_getCellMat4 = function(m, row, col) { - return m[row + col * 4]; -}; - -/** @private */ -var SceneJS_math_setCellMat4 = function(m, row, col, s) { - m[row + col * 4] = s; -}; - -/** @private */ -var SceneJS_math_getRowMat4 = function(m, r) { - return [m[r], m[r + 4], m[r + 8], m[r + 12]]; -}; - -/** @private */ -var SceneJS_math_setRowMat4 = function(m, r, v) { - m[r] = v[0]; - m[r + 4] = v[1]; - m[r + 8] = v[2]; - m[r + 12] = v[3]; -}; - -/** @private */ -var SceneJS_math_setRowMat4c = function(m, r, x, y, z, w) { - SceneJS_math_setRowMat4(m, r, [x,y,z,w]); -}; - -/** @private */ -var SceneJS_math_setRowMat4s = function(m, r, s) { - SceneJS_math_setRowMat4c(m, r, s, s, s, s); -}; - -/** @private */ -var SceneJS_math_getColMat4 = function(m, c) { - var i = c * 4; - return [m[i], m[i + 1],m[i + 2],m[i + 3]]; -}; - -/** @private */ -var SceneJS_math_setColMat4v = function(m, c, v) { - var i = c * 4; - m[i] = v[0]; - m[i + 1] = v[1]; - m[i + 2] = v[2]; - m[i + 3] = v[3]; -}; - -/** @private */ -var SceneJS_math_setColMat4c = function(m, c, x, y, z, w) { - SceneJS_math_setColMat4v(m, c, [x,y,z,w]); -}; - -/** @private */ -var SceneJS_math_setColMat4Scalar = function(m, c, s) { - SceneJS_math_setColMat4c(m, c, s, s, s, s); -}; - -/** @private */ -var SceneJS_math_mat4To3 = function(m) { - return [ - m[0],m[1],m[2], - m[4],m[5],m[6], - m[8],m[9],m[10] - ]; -}; - -/** @private */ -var SceneJS_math_m4s = function(s) { - return [ - s,s,s,s, - s,s,s,s, - s,s,s,s, - s,s,s,s - ]; -}; - -/** @private */ -var SceneJS_math_setMat4ToZeroes = function() { - return SceneJS_math_m4s(0.0); -}; - -/** @private */ -var SceneJS_math_setMat4ToOnes = function() { - return SceneJS_math_m4s(1.0); -}; - -/** @private */ -var SceneJS_math_diagonalMat4v = function(v) { - return [ - v[0], 0.0, 0.0, 0.0, - 0.0,v[1], 0.0, 0.0, - 0.0, 0.0, v[2],0.0, - 0.0, 0.0, 0.0, v[3] - ]; -}; - -/** @private */ -var SceneJS_math_diagonalMat4c = function(x, y, z, w) { - return SceneJS_math_diagonalMat4v([x,y,z,w]); -}; - -/** @private */ -var SceneJS_math_diagonalMat4s = function(s) { - return SceneJS_math_diagonalMat4c(s, s, s, s); -}; - -/** @private */ -var SceneJS_math_identityMat4 = function() { - return SceneJS_math_diagonalMat4v([1.0,1.0,1.0,1.0]); -}; - -/** @private */ -var SceneJS_math_isIdentityMat4 = function(m) { - if (m[0] !== 1.0 || m[1] !== 0.0 || m[2] !== 0.0 || m[3] !== 0.0 || - m[4] !== 0.0 || m[5] !== 1.0 || m[6] !== 0.0 || m[7] !== 0.0 || - m[8] !== 0.0 || m[9] !== 0.0 || m[10] !== 1.0 || m[11] !== 0.0 || - m[12] !== 0.0 || m[13] !== 0.0 || m[14] !== 0.0 || m[15] !== 1.0) - { - return false; - } - - return true; -}; - -/** - * @param m mat4 - * @param dest mat4 - optional destination - * @return {mat4} dest if specified, m otherwise - * @private - */ -var SceneJS_math_negateMat4 = function(m, dest) { - if (!dest) { - dest = m; - } - - dest[0] = -m[0]; - dest[1] = -m[1]; - dest[2] = -m[2]; - dest[3] = -m[3]; - dest[4] = -m[4]; - dest[5] = -m[5]; - dest[6] = -m[6]; - dest[7] = -m[7]; - dest[8] = -m[8]; - dest[9] = -m[9]; - dest[10] = -m[10]; - dest[11] = -m[11]; - dest[12] = -m[12]; - dest[13] = -m[13]; - dest[14] = -m[14]; - dest[15] = -m[15]; - - return dest; -}; - -/** - * @param a mat4 - * @param b mat4 - * @param dest mat4 - optional destination - * @return {mat4} dest if specified, a otherwise - * @private - */ -var SceneJS_math_addMat4 = function(a, b, dest) { - if (!dest) { - dest = a; - } - - dest[0] = a[0] + b[0]; - dest[1] = a[1] + b[1]; - dest[2] = a[2] + b[2]; - dest[3] = a[3] + b[3]; - dest[4] = a[4] + b[4]; - dest[5] = a[5] + b[5]; - dest[6] = a[6] + b[6]; - dest[7] = a[7] + b[7]; - dest[8] = a[8] + b[8]; - dest[9] = a[9] + b[9]; - dest[10] = a[10] + b[10]; - dest[11] = a[11] + b[11]; - dest[12] = a[12] + b[12]; - dest[13] = a[13] + b[13]; - dest[14] = a[14] + b[14]; - dest[15] = a[15] + b[15]; - - return dest; -}; - -/** - * @param m mat4 - * @param s scalar - * @param dest mat4 - optional destination - * @return {mat4} dest if specified, m otherwise - * @private - */ -var SceneJS_math_addMat4Scalar = function(m, s, dest) { - if (!dest) { - dest = m; - } - - dest[0] = m[0] + s; - dest[1] = m[1] + s; - dest[2] = m[2] + s; - dest[3] = m[3] + s; - dest[4] = m[4] + s; - dest[5] = m[5] + s; - dest[6] = m[6] + s; - dest[7] = m[7] + s; - dest[8] = m[8] + s; - dest[9] = m[9] + s; - dest[10] = m[10] + s; - dest[11] = m[11] + s; - dest[12] = m[12] + s; - dest[13] = m[13] + s; - dest[14] = m[14] + s; - dest[15] = m[15] + s; - - return dest; -}; - -/** @private */ -var SceneJS_math_addScalarMat4 = function(s, m, dest) { - return SceneJS_math_addMat4Scalar(m, s, dest); -}; - -/** - * @param a mat4 - * @param b mat4 - * @param dest mat4 - optional destination - * @return {mat4} dest if specified, a otherwise - * @private - */ -var SceneJS_math_subMat4 = function(a, b, dest) { - if (!dest) { - dest = a; - } - - dest[0] = a[0] - b[0]; - dest[1] = a[1] - b[1]; - dest[2] = a[2] - b[2]; - dest[3] = a[3] - b[3]; - dest[4] = a[4] - b[4]; - dest[5] = a[5] - b[5]; - dest[6] = a[6] - b[6]; - dest[7] = a[7] - b[7]; - dest[8] = a[8] - b[8]; - dest[9] = a[9] - b[9]; - dest[10] = a[10] - b[10]; - dest[11] = a[11] - b[11]; - dest[12] = a[12] - b[12]; - dest[13] = a[13] - b[13]; - dest[14] = a[14] - b[14]; - dest[15] = a[15] - b[15]; - - return dest; -}; - -/** - * @param m mat4 - * @param s scalar - * @param dest mat4 - optional destination - * @return {mat4} dest if specified, m otherwise - * @private - */ -var SceneJS_math_subMat4Scalar = function(m, s, dest) { - if (!dest) { - dest = m; - } - - dest[0] = m[0] - s; - dest[1] = m[1] - s; - dest[2] = m[2] - s; - dest[3] = m[3] - s; - dest[4] = m[4] - s; - dest[5] = m[5] - s; - dest[6] = m[6] - s; - dest[7] = m[7] - s; - dest[8] = m[8] - s; - dest[9] = m[9] - s; - dest[10] = m[10] - s; - dest[11] = m[11] - s; - dest[12] = m[12] - s; - dest[13] = m[13] - s; - dest[14] = m[14] - s; - dest[15] = m[15] - s; - - return dest; -}; - -/** - * @param s scalar - * @param m mat4 - * @param dest mat4 - optional destination - * @return {mat4} dest if specified, m otherwise - * @private - */ -var SceneJS_math_subScalarMat4 = function(s, m, dest) { - if (!dest) { - dest = m; - } - - dest[0] = s - m[0]; - dest[1] = s - m[1]; - dest[2] = s - m[2]; - dest[3] = s - m[3]; - dest[4] = s - m[4]; - dest[5] = s - m[5]; - dest[6] = s - m[6]; - dest[7] = s - m[7]; - dest[8] = s - m[8]; - dest[9] = s - m[9]; - dest[10] = s - m[10]; - dest[11] = s - m[11]; - dest[12] = s - m[12]; - dest[13] = s - m[13]; - dest[14] = s - m[14]; - dest[15] = s - m[15]; - - return dest; -}; - -/** - * @param a mat4 - * @param b mat4 - * @param dest mat4 - optional destination - * @return {mat4} dest if specified, a otherwise - * @private - */ -var SceneJS_math_mulMat4 = function(a, b, dest) { - if (!dest) { - dest = a; - } - - // Cache the matrix values (makes for huge speed increases!) - var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3]; - var a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7]; - var a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11]; - var a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15]; - - var b00 = b[0], b01 = b[1], b02 = b[2], b03 = b[3]; - var b10 = b[4], b11 = b[5], b12 = b[6], b13 = b[7]; - var b20 = b[8], b21 = b[9], b22 = b[10], b23 = b[11]; - var b30 = b[12], b31 = b[13], b32 = b[14], b33 = b[15]; - - dest[0] = b00 * a00 + b01 * a10 + b02 * a20 + b03 * a30; - dest[1] = b00 * a01 + b01 * a11 + b02 * a21 + b03 * a31; - dest[2] = b00 * a02 + b01 * a12 + b02 * a22 + b03 * a32; - dest[3] = b00 * a03 + b01 * a13 + b02 * a23 + b03 * a33; - dest[4] = b10 * a00 + b11 * a10 + b12 * a20 + b13 * a30; - dest[5] = b10 * a01 + b11 * a11 + b12 * a21 + b13 * a31; - dest[6] = b10 * a02 + b11 * a12 + b12 * a22 + b13 * a32; - dest[7] = b10 * a03 + b11 * a13 + b12 * a23 + b13 * a33; - dest[8] = b20 * a00 + b21 * a10 + b22 * a20 + b23 * a30; - dest[9] = b20 * a01 + b21 * a11 + b22 * a21 + b23 * a31; - dest[10] = b20 * a02 + b21 * a12 + b22 * a22 + b23 * a32; - dest[11] = b20 * a03 + b21 * a13 + b22 * a23 + b23 * a33; - dest[12] = b30 * a00 + b31 * a10 + b32 * a20 + b33 * a30; - dest[13] = b30 * a01 + b31 * a11 + b32 * a21 + b33 * a31; - dest[14] = b30 * a02 + b31 * a12 + b32 * a22 + b33 * a32; - dest[15] = b30 * a03 + b31 * a13 + b32 * a23 + b33 * a33; - - return dest; -}; - -/** - * @param m mat4 - * @param s scalar - * @param dest mat4 - optional destination - * @return {mat4} dest if specified, m otherwise - * @private - */ -var SceneJS_math_mulMat4s = function(m, s, dest) -{ - if (!dest) { - dest = m; - } - - dest[0] = m[0] * s; - dest[1] = m[1] * s; - dest[2] = m[2] * s; - dest[3] = m[3] * s; - dest[4] = m[4] * s; - dest[5] = m[5] * s; - dest[6] = m[6] * s; - dest[7] = m[7] * s; - dest[8] = m[8] * s; - dest[9] = m[9] * s; - dest[10] = m[10] * s; - dest[11] = m[11] * s; - dest[12] = m[12] * s; - dest[13] = m[13] * s; - dest[14] = m[14] * s; - dest[15] = m[15] * s; - - return dest; -}; - -/** - * @param m mat4 - * @param v vec4 - * @return {vec4} - * @private - */ -var SceneJS_math_mulMat4v4 = function(m, v) { - var v0 = v[0], v1 = v[1], v2 = v[2], v3 = v[3]; - - return [ - m[0] * v0 + m[4] * v1 + m[8] * v2 + m[12] * v3, - m[1] * v0 + m[5] * v1 + m[9] * v2 + m[13] * v3, - m[2] * v0 + m[6] * v1 + m[10] * v2 + m[14] * v3, - m[3] * v0 + m[7] * v1 + m[11] * v2 + m[15] * v3 - ]; -}; - -/** - * @param mat mat4 - * @param dest mat4 - optional destination - * @return {mat4} dest if specified, mat otherwise - * @private - */ -var SceneJS_math_transposeMat4 = function(mat, dest) { - // If we are transposing ourselves we can skip a few steps but have to cache some values - var m4 = mat[4], m14 = mat[14], m8 = mat[8]; - var m13 = mat[13], m12 = mat[12], m9 = mat[9]; - if (!dest || mat == dest) { - var a01 = mat[1], a02 = mat[2], a03 = mat[3]; - var a12 = mat[6], a13 = mat[7]; - var a23 = mat[11]; - - mat[1] = m4; - mat[2] = m8; - mat[3] = m12; - mat[4] = a01; - mat[6] = m9; - mat[7] = m13; - mat[8] = a02; - mat[9] = a12; - mat[11] = m14; - mat[12] = a03; - mat[13] = a13; - mat[14] = a23; - return mat; - } - - dest[0] = mat[0]; - dest[1] = m4; - dest[2] = m8; - dest[3] = m12; - dest[4] = mat[1]; - dest[5] = mat[5]; - dest[6] = m9; - dest[7] = m13; - dest[8] = mat[2]; - dest[9] = mat[6]; - dest[10] = mat[10]; - dest[11] = m14; - dest[12] = mat[3]; - dest[13] = mat[7]; - dest[14] = mat[11]; - dest[15] = mat[15]; - return dest; -}; - -/** @private */ -var SceneJS_math_determinantMat4 = function(mat) { - // Cache the matrix values (makes for huge speed increases!) - var a00 = mat[0], a01 = mat[1], a02 = mat[2], a03 = mat[3]; - var a10 = mat[4], a11 = mat[5], a12 = mat[6], a13 = mat[7]; - var a20 = mat[8], a21 = mat[9], a22 = mat[10], a23 = mat[11]; - var a30 = mat[12], a31 = mat[13], a32 = mat[14], a33 = mat[15]; - - return a30 * a21 * a12 * a03 - a20 * a31 * a12 * a03 - a30 * a11 * a22 * a03 + a10 * a31 * a22 * a03 + - a20 * a11 * a32 * a03 - a10 * a21 * a32 * a03 - a30 * a21 * a02 * a13 + a20 * a31 * a02 * a13 + - a30 * a01 * a22 * a13 - a00 * a31 * a22 * a13 - a20 * a01 * a32 * a13 + a00 * a21 * a32 * a13 + - a30 * a11 * a02 * a23 - a10 * a31 * a02 * a23 - a30 * a01 * a12 * a23 + a00 * a31 * a12 * a23 + - a10 * a01 * a32 * a23 - a00 * a11 * a32 * a23 - a20 * a11 * a02 * a33 + a10 * a21 * a02 * a33 + - a20 * a01 * a12 * a33 - a00 * a21 * a12 * a33 - a10 * a01 * a22 * a33 + a00 * a11 * a22 * a33; -}; - -/** - * @param mat mat4 - * @param dest mat4 - optional destination - * @return {mat4} dest if specified, mat otherwise - * @private - */ -var SceneJS_math_inverseMat4 = function(mat, dest) { - if (!dest) { - dest = mat; - } - - // Cache the matrix values (makes for huge speed increases!) - var a00 = mat[0], a01 = mat[1], a02 = mat[2], a03 = mat[3]; - var a10 = mat[4], a11 = mat[5], a12 = mat[6], a13 = mat[7]; - var a20 = mat[8], a21 = mat[9], a22 = mat[10], a23 = mat[11]; - var a30 = mat[12], a31 = mat[13], a32 = mat[14], a33 = mat[15]; - - var b00 = a00 * a11 - a01 * a10; - var b01 = a00 * a12 - a02 * a10; - var b02 = a00 * a13 - a03 * a10; - var b03 = a01 * a12 - a02 * a11; - var b04 = a01 * a13 - a03 * a11; - var b05 = a02 * a13 - a03 * a12; - var b06 = a20 * a31 - a21 * a30; - var b07 = a20 * a32 - a22 * a30; - var b08 = a20 * a33 - a23 * a30; - var b09 = a21 * a32 - a22 * a31; - var b10 = a21 * a33 - a23 * a31; - var b11 = a22 * a33 - a23 * a32; - - // Calculate the determinant (inlined to avoid double-caching) - var invDet = 1 / (b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06); - - dest[0] = (a11 * b11 - a12 * b10 + a13 * b09) * invDet; - dest[1] = (-a01 * b11 + a02 * b10 - a03 * b09) * invDet; - dest[2] = (a31 * b05 - a32 * b04 + a33 * b03) * invDet; - dest[3] = (-a21 * b05 + a22 * b04 - a23 * b03) * invDet; - dest[4] = (-a10 * b11 + a12 * b08 - a13 * b07) * invDet; - dest[5] = (a00 * b11 - a02 * b08 + a03 * b07) * invDet; - dest[6] = (-a30 * b05 + a32 * b02 - a33 * b01) * invDet; - dest[7] = (a20 * b05 - a22 * b02 + a23 * b01) * invDet; - dest[8] = (a10 * b10 - a11 * b08 + a13 * b06) * invDet; - dest[9] = (-a00 * b10 + a01 * b08 - a03 * b06) * invDet; - dest[10] = (a30 * b04 - a31 * b02 + a33 * b00) * invDet; - dest[11] = (-a20 * b04 + a21 * b02 - a23 * b00) * invDet; - dest[12] = (-a10 * b09 + a11 * b07 - a12 * b06) * invDet; - dest[13] = (a00 * b09 - a01 * b07 + a02 * b06) * invDet; - dest[14] = (-a30 * b03 + a31 * b01 - a32 * b00) * invDet; - dest[15] = (a20 * b03 - a21 * b01 + a22 * b00) * invDet; - - return dest; -}; - -/** @private */ -var SceneJS_math_traceMat4 = function(m) { - return (m[0] + m[5] + m[10] + m[15]); -}; - -/** @private */ -var SceneJS_math_translationMat4v = function(v) { - var m = SceneJS_math_identityMat4(); - m[12] = v[0]; - m[13] = v[1]; - m[14] = v[2]; - return m; -}; - -/** @private */ -var SceneJS_math_translationMat4c = function(x, y, z) { - return SceneJS_math_translationMat4v([x,y,z]); -}; - -/** @private */ -var SceneJS_math_translationMat4s = function(s) { - return SceneJS_math_translationMat4c(s, s, s); -}; - -/** @private */ -var SceneJS_math_rotationMat4v = function(anglerad, axis) { - var ax = SceneJS_math_normalizeVec4([axis[0],axis[1],axis[2],0.0]); - var s = Math.sin(anglerad); - var c = Math.cos(anglerad); - var q = 1.0 - c; - - var x = ax[0]; - var y = ax[1]; - var z = ax[2]; - - var xy,yz,zx,xs,ys,zs; - - //xx = x * x; used once - //yy = y * y; used once - //zz = z * z; used once - xy = x * y; - yz = y * z; - zx = z * x; - xs = x * s; - ys = y * s; - zs = z * s; - - var m = SceneJS_math_mat4(); - - m[0] = (q * x * x) + c; - m[1] = (q * xy) + zs; - m[2] = (q * zx) - ys; - m[3] = 0.0; - - m[4] = (q * xy) - zs; - m[5] = (q * y * y) + c; - m[6] = (q * yz) + xs; - m[7] = 0.0; - - m[8] = (q * zx) + ys; - m[9] = (q * yz) - xs; - m[10] = (q * z * z) + c; - m[11] = 0.0; - - m[12] = 0.0; - m[13] = 0.0; - m[14] = 0.0; - m[15] = 1.0; - - return m; -}; - -/** @private */ -var SceneJS_math_rotationMat4c = function(anglerad, x, y, z) { - return SceneJS_math_rotationMat4v(anglerad, [x,y,z]); -}; - -/** @private */ -var SceneJS_math_scalingMat4v = function(v) { - var m = SceneJS_math_identityMat4(); - m[0] = v[0]; - m[5] = v[1]; - m[10] = v[2]; - return m; -}; - -/** @private */ -var SceneJS_math_scalingMat4c = function(x, y, z) { - return SceneJS_math_scalingMat4v([x,y,z]); -}; - -/** @private */ -var SceneJS_math_scalingMat4s = function(s) { - return SceneJS_math_scalingMat4c(s, s, s); -}; - -/** - * Default lookat properties - eye at 0,0,1, looking at 0,0,0, up vector pointing up Y-axis - */ -var SceneJS_math_LOOKAT_OBJ = { - eye: {x: 0, y:0, z:10.0 }, - look: {x:0, y:0, z:0.0 }, - up: {x:0, y:1, z:0.0 } -}; - -/** - * Default lookat properties in array form - eye at 0,0,1, looking at 0,0,0, up vector pointing up Y-axis - */ -var SceneJS_math_LOOKAT_ARRAYS = { - eye: [0, 0, 10.0], - look: [0, 0, 0.0 ], - up: [0, 1, 0.0 ] -}; - -/** - * Default orthographic projection properties - */ -var SceneJS_math_ORTHO_OBJ = { - left: -1.0, - right: 1.0, - bottom: -1.0, - near: 0.1, - top: 1.0, - far: 5000.0 -}; - -/** - * @param pos vec3 position of the viewer - * @param target vec3 point the viewer is looking at - * @param up vec3 pointing "up" - * @param dest mat4 Optional, mat4 frustum matrix will be written into - * - * @return {mat4} dest if specified, a new mat4 otherwise - */ -var SceneJS_math_lookAtMat4v = function(pos, target, up, dest) { - if (!dest) { - dest = SceneJS_math_mat4(); - } - - var posx = pos[0], - posy = pos[1], - posz = pos[2], - upx = up[0], - upy = up[1], - upz = up[2], - targetx = target[0], - targety = target[1], - targetz = target[2]; - - if (posx == targetx && posy == targety && posz == targetz) { - return SceneJS_math_identityMat4(); - } - - var z0,z1,z2,x0,x1,x2,y0,y1,y2,len; - - //vec3.direction(eye, center, z); - z0 = posx - targetx; - z1 = posy - targety; - z2 = posz - targetz; - - // normalize (no check needed for 0 because of early return) - len = 1 / Math.sqrt(z0 * z0 + z1 * z1 + z2 * z2); - z0 *= len; - z1 *= len; - z2 *= len; - - //vec3.normalize(vec3.cross(up, z, x)); - x0 = upy * z2 - upz * z1; - x1 = upz * z0 - upx * z2; - x2 = upx * z1 - upy * z0; - len = Math.sqrt(x0 * x0 + x1 * x1 + x2 * x2); - if (!len) { - x0 = 0; - x1 = 0; - x2 = 0; - } else { - len = 1 / len; - x0 *= len; - x1 *= len; - x2 *= len; - } - - //vec3.normalize(vec3.cross(z, x, y)); - y0 = z1 * x2 - z2 * x1; - y1 = z2 * x0 - z0 * x2; - y2 = z0 * x1 - z1 * x0; - - len = Math.sqrt(y0 * y0 + y1 * y1 + y2 * y2); - if (!len) { - y0 = 0; - y1 = 0; - y2 = 0; - } else { - len = 1 / len; - y0 *= len; - y1 *= len; - y2 *= len; - } - - dest[0] = x0; - dest[1] = y0; - dest[2] = z0; - dest[3] = 0; - dest[4] = x1; - dest[5] = y1; - dest[6] = z1; - dest[7] = 0; - dest[8] = x2; - dest[9] = y2; - dest[10] = z2; - dest[11] = 0; - dest[12] = -(x0 * posx + x1 * posy + x2 * posz); - dest[13] = -(y0 * posx + y1 * posy + y2 * posz); - dest[14] = -(z0 * posx + z1 * posy + z2 * posz); - dest[15] = 1; - - return dest; -}; - -/** @private */ -var SceneJS_math_lookAtMat4c = function(posx, posy, posz, targetx, targety, targetz, upx, upy, upz) { - return SceneJS_math_lookAtMat4v([posx,posy,posz], [targetx,targety,targetz], [upx,upy,upz]); -}; - -/** @private */ -var SceneJS_math_orthoMat4c = function(left, right, bottom, top, near, far, dest) { - if (!dest) { - dest = SceneJS_math_mat4(); - } - var rl = (right - left); - var tb = (top - bottom); - var fn = (far - near); - - dest[0] = 2.0 / rl; - dest[1] = 0.0; - dest[2] = 0.0; - dest[3] = 0.0; - - dest[4] = 0.0; - dest[5] = 2.0 / tb; - dest[6] = 0.0; - dest[7] = 0.0; - - dest[8] = 0.0; - dest[9] = 0.0; - dest[10] = -2.0 / fn; - dest[11] = 0.0; - - dest[12] = -(left + right) / rl; - dest[13] = -(top + bottom) / tb; - dest[14] = -(far + near) / fn; - dest[15] = 1.0; - - return dest; -}; - -/** @private */ -var SceneJS_math_frustumMat4v = function(fmin, fmax) { - var fmin4 = [fmin[0],fmin[1],fmin[2],0.0]; - var fmax4 = [fmax[0],fmax[1],fmax[2],0.0]; - var vsum = SceneJS_math_mat4(); - SceneJS_math_addVec4(fmax4, fmin4, vsum); - var vdif = SceneJS_math_mat4(); - SceneJS_math_subVec4(fmax4, fmin4, vdif); - var t = 2.0 * fmin4[2]; - - var m = SceneJS_math_mat4(); - var vdif0 = vdif[0], vdif1 = vdif[1], vdif2 = vdif[2]; - - m[0] = t / vdif0; - m[1] = 0.0; - m[2] = 0.0; - m[3] = 0.0; - - m[4] = 0.0; - m[5] = t / vdif1; - m[6] = 0.0; - m[7] = 0.0; - - m[8] = vsum[0] / vdif0; - m[9] = vsum[1] / vdif1; - m[10] = -vsum[2] / vdif2; - m[11] = -1.0; - - m[12] = 0.0; - m[13] = 0.0; - m[14] = -t * fmax4[2] / vdif2; - m[15] = 0.0; - - return m; -}; - -/** @private */ -var SceneJS_math_frustumMatrix4 = function(left, right, bottom, top, near, far, dest) { - if (!dest) { - dest = SceneJS_math_mat4(); - } - var rl = (right - left); - var tb = (top - bottom); - var fn = (far - near); - dest[0] = (near * 2) / rl; - dest[1] = 0; - dest[2] = 0; - dest[3] = 0; - dest[4] = 0; - dest[5] = (near * 2) / tb; - dest[6] = 0; - dest[7] = 0; - dest[8] = (right + left) / rl; - dest[9] = (top + bottom) / tb; - dest[10] = -(far + near) / fn; - dest[11] = -1; - dest[12] = 0; - dest[13] = 0; - dest[14] = -(far * near * 2) / fn; - dest[15] = 0; - return dest; -}; - - -/** @private */ -var SceneJS_math_perspectiveMatrix4 = function(fovyrad, aspectratio, znear, zfar) { - var pmin = []; - var pmax = []; - - pmin[2] = znear; - pmax[2] = zfar; - - pmax[1] = pmin[2] * Math.tan(fovyrad / 2.0); - pmin[1] = -pmax[1]; - - pmax[0] = pmax[1] * aspectratio; - pmin[0] = -pmax[0]; - - return SceneJS_math_frustumMat4v(pmin, pmax); -}; - -/** @private */ -var SceneJS_math_transformPoint3 = function(m, p) { - var p0 = p[0], p1 = p[1], p2 = p[2]; - return [ - (m[0] * p0) + (m[4] * p1) + (m[8] * p2) + m[12], - (m[1] * p0) + (m[5] * p1) + (m[9] * p2) + m[13], - (m[2] * p0) + (m[6] * p1) + (m[10] * p2) + m[14], - (m[3] * p0) + (m[7] * p1) + (m[11] * p2) + m[15] - ]; -}; - - -/** @private */ -var SceneJS_math_transformPoints3 = function(m, points) { - var result = new Array(points.length); - var len = points.length; - var p0, p1, p2; - var pi; - - // cache values - var m0 = m[0], m1 = m[1], m2 = m[2], m3 = m[3]; - var m4 = m[4], m5 = m[5], m6 = m[6], m7 = m[7]; - var m8 = m[8], m9 = m[9], m10 = m[10], m11 = m[11]; - var m12 = m[12], m13 = m[13], m14 = m[14], m15 = m[15]; - - for (var i = 0; i < len; ++i) { - // cache values - pi = points[i]; - p0 = pi[0]; - p1 = pi[1]; - p2 = pi[2]; - - result[i] = [ - (m0 * p0) + (m4 * p1) + (m8 * p2) + m12, - (m1 * p0) + (m5 * p1) + (m9 * p2) + m13, - (m2 * p0) + (m6 * p1) + (m10 * p2) + m14, - (m3 * p0) + (m7 * p1) + (m11 * p2) + m15 - ]; - } - - return result; -}; - -/** @private */ -var SceneJS_math_transformVector3 = function(m, v) { - var v0 = v[0], v1 = v[1], v2 = v[2]; - return [ - (m[0] * v0) + (m[4] * v1) + (m[8] * v2), - (m[1] * v0) + (m[5] * v1) + (m[9] * v2), - (m[2] * v0) + (m[6] * v1) + (m[10] * v2) - ]; -}; - -var SceneJS_math_transformVector4 = function(m, v) { - var v0 = v[0], v1 = v[1], v2 = v[2], v3 = v[3]; - return [ - m[ 0] * v0 + m[ 4] * v1 + m[ 8] * v2 + m[12] * v3, - m[ 1] * v0 + m[ 5] * v1 + m[ 9] * v2 + m[13] * v3, - m[ 2] * v0 + m[ 6] * v1 + m[10] * v2 + m[14] * v3, - m[ 3] * v0 + m[ 7] * v1 + m[11] * v2 + m[15] * v3 - ]; -}; - -/** @private */ -var SceneJS_math_projectVec4 = function(v) { - var f = 1.0 / v[3]; - return [v[0] * f, v[1] * f, v[2] * f, 1.0]; -}; - - -/** @private */ -var SceneJS_math_Plane3 = function (normal, offset, normalize) { - this.normal = [0.0, 0.0, 1.0 ]; - - this.offset = 0.0; - if (normal && offset) { - var normal0 = normal[0], normal1 = normal[1], normal2 = normal[2]; - this.offset = offset; - - if (normalize) { - var s = Math.sqrt( - normal0 * normal0 + - normal1 * normal1 + - normal2 * normal2 - ); - if (s > 0.0) { - s = 1.0 / s; - this.normal[0] = normal0 * s; - this.normal[1] = normal1 * s; - this.normal[2] = normal2 * s; - this.offset *= s; - } - } - } -}; - -/** @private */ -var SceneJS_math_MAX_DOUBLE = Number.POSITIVE_INFINITY; -/** @private */ -var SceneJS_math_MIN_DOUBLE = Number.NEGATIVE_INFINITY; - -/** @private - * - */ -var SceneJS_math_Box3 = function(min, max) { - this.min = min || [ SceneJS_math_MAX_DOUBLE,SceneJS_math_MAX_DOUBLE,SceneJS_math_MAX_DOUBLE ]; - this.max = max || [ SceneJS_math_MIN_DOUBLE,SceneJS_math_MIN_DOUBLE,SceneJS_math_MIN_DOUBLE ]; - - /** @private */ - this.init = function(min, max) { - this.min[0] = min[0]; - this.min[1] = min[1]; - this.min[2] = min[2]; - this.max[0] = max[0]; - this.max[1] = max[1]; - this.max[2] = max[2]; - return this; - }; - - /** @private */ - this.fromPoints = function(points) { - var pointsLength = points.length; - - for (var i = 0; i < pointsLength; ++i) { - var points_i3 = points[i][3]; - var pDiv0 = points[i][0] / points_i3; - var pDiv1 = points[i][1] / points_i3; - var pDiv2 = points[i][2] / points_i3; - - if (pDiv0 < this.min[0]) { - this.min[0] = pDiv0; - } - if (pDiv1 < this.min[1]) { - this.min[1] = pDiv1; - } - if (pDiv2 < this.min[2]) { - this.min[2] = pDiv2; - } - - if (pDiv0 > this.max[0]) { - this.max[0] = pDiv0; - } - if (pDiv1 > this.max[1]) { - this.max[1] = pDiv1; - } - if (pDiv2 > this.max[2]) { - this.max[2] = pDiv2; - } - } - return this; - }; - - /** @private */ - this.isEmpty = function() { - return ( - (this.min[0] >= this.max[0]) && - (this.min[1] >= this.max[1]) && - (this.min[2] >= this.max[2]) - ); - }; - - /** @private */ - this.getCenter = function() { - return [ - (this.max[0] + this.min[0]) / 2.0, - (this.max[1] + this.min[1]) / 2.0, - (this.max[2] + this.min[2]) / 2.0 - ]; - }; - - /** @private */ - this.getSize = function() { - return [ - (this.max[0] - this.min[0]), - (this.max[1] - this.min[1]), - (this.max[2] - this.min[2]) - ]; - }; - - /** @private */ - this.getFacesAreas = function() { - var s = this.size; - return [ - (s[1] * s[2]), - (s[0] * s[2]), - (s[0] * s[1]) - ]; - }; - - /** @private */ - this.getSurfaceArea = function() { - var a = this.getFacesAreas(); - return ((a[0] + a[1] + a[2]) * 2.0); - }; - - /** @private */ - this.getVolume = function() { - var s = this.size; - return (s[0] * s[1] * s[2]); - }; - - /** @private */ - this.getOffset = function(half_delta) { - this.min[0] -= half_delta; - this.min[1] -= half_delta; - this.min[2] -= half_delta; - this.max[0] += half_delta; - this.max[1] += half_delta; - this.max[2] += half_delta; - return this; - }; -}; - -/** @private - * - * @param min - * @param max - */ -var SceneJS_math_AxisBox3 = function(min, max) { - var min0 = min[0], min1 = min[1], min2 = min[2]; - var max0 = max[0], max1 = max[1], max2 = max[2]; - - this.verts = [ - [min0, min1, min2], - [max0, min1, min2], - [max0, max1, min2], - [min0, max1, min2], - - [min0, min1, max2], - [max0, min1, max2], - [max0, max1, max2], - [min0, max1, max2] - ]; - - /** @private */ - this.toBox3 = function() { - var box = new SceneJS_math_Box3(); - for (var i = 0; i < 8; ++i) { - var v = this.verts[i]; - for (var j = 0; j < 3; ++j) { - if (v[j] < box.min[j]) { - box.min[j] = v[j]; - } - if (v[j] > box.max[j]) { - box.max[j] = v[j]; - } - } - } - }; -}; - -/** @private - * - * @param center - * @param radius - */ -var SceneJS_math_Sphere3 = function(center, radius) { - this.center = [center[0], center[1], center[2] ]; - this.radius = radius; - - /** @private */ - this.isEmpty = function() { - return (this.radius === 0.0); - }; - - /** @private */ - this.surfaceArea = function() { - return (4.0 * Math.PI * this.radius * this.radius); - }; - - /** @private */ - this.getVolume = function() { - var thisRadius = this.radius; - return ((4.0 / 3.0) * Math.PI * thisRadius * thisRadius * thisRadius); - }; -}; - -/** Creates billboard matrix from given view matrix - * @private - */ -var SceneJS_math_billboardMat = function(viewMatrix) { - var rotVec = [ - SceneJS_math_getColMat4(viewMatrix, 0), - SceneJS_math_getColMat4(viewMatrix, 1), - SceneJS_math_getColMat4(viewMatrix, 2) - ]; - - var scaleVec = [ - SceneJS_math_lenVec4(rotVec[0]), - SceneJS_math_lenVec4(rotVec[1]), - SceneJS_math_lenVec4(rotVec[2]) - ]; - - var scaleVecRcp = SceneJS_math_mat4(); - SceneJS_math_rcpVec3(scaleVec, scaleVecRcp); - var sMat = SceneJS_math_scalingMat4v(scaleVec); - //var sMatInv = SceneJS_math_scalingMat4v(scaleVecRcp); - - SceneJS_math_mulVec4Scalar(rotVec[0], scaleVecRcp[0]); - SceneJS_math_mulVec4Scalar(rotVec[1], scaleVecRcp[1]); - SceneJS_math_mulVec4Scalar(rotVec[2], scaleVecRcp[2]); - - var rotMatInverse = SceneJS_math_identityMat4(); - - SceneJS_math_setRowMat4(rotMatInverse, 0, rotVec[0]); - SceneJS_math_setRowMat4(rotMatInverse, 1, rotVec[1]); - SceneJS_math_setRowMat4(rotMatInverse, 2, rotVec[2]); - - //return rotMatInverse; - //return SceneJS_math_mulMat4(sMatInv, SceneJS_math_mulMat4(rotMatInverse, sMat)); - return SceneJS_math_mulMat4(rotMatInverse, sMat); - // return SceneJS_math_mulMat4(sMat, SceneJS_math_mulMat4(rotMatInverse, sMat)); - //return SceneJS_math_mulMat4(sMatInv, SceneJS_math_mulMat4(rotMatInverse, sMat)); -}; - -/** @private */ -var SceneJS_math_FrustumPlane = function(nx, ny, nz, offset) { - var s = 1.0 / Math.sqrt(nx * nx + ny * ny + nz * nz); - this.normal = [nx * s, ny * s, nz * s]; - this.offset = offset * s; - this.testVertex = [ - (this.normal[0] >= 0.0) ? (1) : (0), - (this.normal[1] >= 0.0) ? (1) : (0), - (this.normal[2] >= 0.0) ? (1) : (0)]; -}; - -/** @private */ -var SceneJS_math_OUTSIDE_FRUSTUM = 3; -/** @private */ -var SceneJS_math_INTERSECT_FRUSTUM = 4; -/** @private */ -var SceneJS_math_INSIDE_FRUSTUM = 5; - -/** @private */ -var SceneJS_math_Frustum = function(viewMatrix, projectionMatrix, viewport) { - var m = SceneJS_math_mat4(); - SceneJS_math_mulMat4(projectionMatrix, viewMatrix, m); - - // cache m indexes - var m0 = m[0], m1 = m[1], m2 = m[2], m3 = m[3]; - var m4 = m[4], m5 = m[5], m6 = m[6], m7 = m[7]; - var m8 = m[8], m9 = m[9], m10 = m[10], m11 = m[11]; - var m12 = m[12], m13 = m[13], m14 = m[14], m15 = m[15]; - - //var q = [ m[3], m[7], m[11] ]; just reuse m indexes instead of making new var - var planes = [ - new SceneJS_math_FrustumPlane(m3 - m0, m7 - m4, m11 - m8, m15 - m12), - new SceneJS_math_FrustumPlane(m3 + m0, m7 + m4, m11 + m8, m15 + m12), - new SceneJS_math_FrustumPlane(m3 - m1, m7 - m5, m11 - m9, m15 - m13), - new SceneJS_math_FrustumPlane(m3 + m1, m7 + m5, m11 + m9, m15 + m13), - new SceneJS_math_FrustumPlane(m3 - m2, m7 - m6, m11 - m10, m15 - m14), - new SceneJS_math_FrustumPlane(m3 + m2, m7 + m6, m11 + m10, m15 + m14) - ]; - - /* Resources for LOD - */ - var rotVec = [ - SceneJS_math_getColMat4(viewMatrix, 0), - SceneJS_math_getColMat4(viewMatrix, 1), - SceneJS_math_getColMat4(viewMatrix, 2) - ]; - - var scaleVec = [ - SceneJS_math_lenVec4(rotVec[0]), - SceneJS_math_lenVec4(rotVec[1]), - SceneJS_math_lenVec4(rotVec[2]) - ]; - - var scaleVecRcp = SceneJS_math_rcpVec3(scaleVec); - var sMat = SceneJS_math_scalingMat4v(scaleVec); - var sMatInv = SceneJS_math_scalingMat4v(scaleVecRcp); - - SceneJS_math_mulVec4Scalar(rotVec[0], scaleVecRcp[0]); - SceneJS_math_mulVec4Scalar(rotVec[1], scaleVecRcp[1]); - SceneJS_math_mulVec4Scalar(rotVec[2], scaleVecRcp[2]); - - var rotMatInverse = SceneJS_math_identityMat4(); - - SceneJS_math_setRowMat4(rotMatInverse, 0, rotVec[0]); - SceneJS_math_setRowMat4(rotMatInverse, 1, rotVec[1]); - SceneJS_math_setRowMat4(rotMatInverse, 2, rotVec[2]); - - if (!this.matrix) { - this.matrix = SceneJS_math_mat4(); - } - SceneJS_math_mulMat4(projectionMatrix, viewMatrix, this.matrix); - if (!this.billboardMatrix) { - this.billboardMatrix = SceneJS_math_mat4(); - } - SceneJS_math_mulMat4(sMatInv, SceneJS_math_mulMat4(rotMatInverse, sMat), this.billboardMatrix); - this.viewport = viewport.slice(0, 4); - - /** @private */ - this.textAxisBoxIntersection = function(box) { - var ret = SceneJS_math_INSIDE_FRUSTUM; - var bminmax = [ box.min, box.max ]; - var plane = null; - - for (var i = 0; i < 6; ++i) { - plane = planes[i]; - if (((plane.normal[0] * bminmax[plane.testVertex[0]][0]) + - (plane.normal[1] * bminmax[plane.testVertex[1]][1]) + - (plane.normal[2] * bminmax[plane.testVertex[2]][2]) + - (plane.offset)) < 0.0) { - return SceneJS_math_OUTSIDE_FRUSTUM; - } - if (((plane.normal[0] * bminmax[1 - plane.testVertex[0]][0]) + - (plane.normal[1] * bminmax[1 - plane.testVertex[1]][1]) + - (plane.normal[2] * bminmax[1 - plane.testVertex[2]][2]) + - (plane.offset)) < 0.0) { - ret = SceneJS_math_INTERSECT_FRUSTUM; - } - } - return ret; - }; - - /** @private */ - this.getProjectedSize = function(box) { - var diagVec = SceneJS_math_mat4(); - SceneJS_math_subVec3(box.max, box.min, diagVec); - - var diagSize = SceneJS_math_lenVec3(diagVec); - - var size = Math.abs(diagSize); - - var p0 = [ - (box.min[0] + box.max[0]) * 0.5, - (box.min[1] + box.max[1]) * 0.5, - (box.min[2] + box.max[2]) * 0.5, - 0.0]; - - var halfSize = size * 0.5; - var p1 = [ -halfSize, 0.0, 0.0, 1.0 ]; - var p2 = [ halfSize, 0.0, 0.0, 1.0 ]; - - p1 = SceneJS_math_mulMat4v4(this.billboardMatrix, p1); - p1 = SceneJS_math_addVec4(p1, p0); - p1 = SceneJS_math_projectVec4(SceneJS_math_mulMat4v4(this.matrix, p1)); - - p2 = SceneJS_math_mulMat4v4(this.billboardMatrix, p2); - p2 = SceneJS_math_addVec4(p2, p0); - p2 = SceneJS_math_projectVec4(SceneJS_math_mulMat4v4(this.matrix, p2)); - - return viewport[2] * Math.abs(p2[0] - p1[0]); - }; - - - this.getProjectedState = function(modelCoords) { - var viewCoords = SceneJS_math_transformPoints3(this.matrix, modelCoords); - - //var canvasBox = { - // min: [10000000, 10000000 ], - // max: [-10000000, -10000000] - //}; - // separate variables instead of indexing an array - var canvasBoxMin0 = 10000000, canvasBoxMin1 = 10000000; - var canvasBoxMax0 = -10000000, canvasBoxMax1 = -10000000; - - var v, x, y; - - var arrLen = viewCoords.length; - for (var i = 0; i < arrLen; ++i) { - v = SceneJS_math_projectVec4(viewCoords[i]); - x = v[0]; - y = v[1]; - - if (x < -0.5) { - x = -0.5; - } - - if (y < -0.5) { - y = -0.5; - } - - if (x > 0.5) { - x = 0.5; - } - - if (y > 0.5) { - y = 0.5; - } - - - if (x < canvasBoxMin0) { - canvasBoxMin0 = x; - } - if (y < canvasBoxMin1) { - canvasBoxMin1 = y; - } - - if (x > canvasBoxMax0) { - canvasBoxMax0 = x; - } - if (y > canvasBoxMax1) { - canvasBoxMax1 = y; - } - } - - canvasBoxMin0 += 0.5; - canvasBoxMin1 += 0.5; - canvasBoxMax0 += 0.5; - canvasBoxMax1 += 0.5; - - // cache viewport indexes - var viewport2 = viewport[2], viewport3 = viewport[3]; - - canvasBoxMin0 = (canvasBoxMin0 * (viewport2 + 15)); - canvasBoxMin1 = (canvasBoxMin1 * (viewport3 + 15)); - canvasBoxMax0 = (canvasBoxMax0 * (viewport2 + 15)); - canvasBoxMax1 = (canvasBoxMax1 * (viewport3 + 15)); - - var diagCanvasBoxVec = SceneJS_math_mat4(); - SceneJS_math_subVec2([canvasBoxMax0, canvasBoxMax1], - [canvasBoxMin0, canvasBoxMin1], - diagCanvasBoxVec); - var diagCanvasBoxSize = SceneJS_math_lenVec2(diagCanvasBoxVec); - - if (canvasBoxMin0 < 0) { - canvasBoxMin0 = 0; - } - if (canvasBoxMax0 > viewport2) { - canvasBoxMax0 = viewport2; - } - - if (canvasBoxMin1 < 0) { - canvasBoxMin1 = 0; - } - if (canvasBoxMax1 > viewport3) { - canvasBoxMax1 = viewport3; - } - return { - canvasBox: { - min: [canvasBoxMin0, canvasBoxMin1 ], - max: [canvasBoxMax0, canvasBoxMax1 ] - }, - canvasSize: diagCanvasBoxSize - }; - }; -}; - -var SceneJS_math_identityQuaternion = function() { - return [ 0.0, 0.0, 0.0, 1.0 ]; -}; - -var SceneJS_math_angleAxisQuaternion = function(x, y, z, degrees) { - var angleRad = (degrees / 180.0) * Math.PI; - var halfAngle = angleRad / 2.0; - var fsin = Math.sin(halfAngle); - return [ - fsin * x, - fsin * y, - fsin * z, - Math.cos(halfAngle) - ]; -}; - -var SceneJS_math_mulQuaternions = function(p, q) { - var p0 = p[0], p1 = p[1], p2 = p[2], p3 = p[3]; - var q0 = q[0], q1 = q[1], q2 = q[2], q3 = q[3]; - return [ - p3 * q0 + p0 * q3 + p1 * q2 - p2 * q1, - p3 * q1 + p1 * q3 + p2 * q0 - p0 * q2, - p3 * q2 + p2 * q3 + p0 * q1 - p1 * q0, - p3 * q3 - p0 * q0 - p1 * q1 - p2 * q2 - ]; -}; - -var SceneJS_math_newMat4FromQuaternion = function(q) { - var q0 = q[0], q1 = q[1], q2 = q[2], q3 = q[3]; - var tx = 2.0 * q0; - var ty = 2.0 * q1; - var tz = 2.0 * q2; - var twx = tx * q3; - var twy = ty * q3; - var twz = tz * q3; - var txx = tx * q0; - var txy = ty * q0; - var txz = tz * q0; - var tyy = ty * q1; - var tyz = tz * q1; - var tzz = tz * q2; - var m = SceneJS_math_identityMat4(); - SceneJS_math_setCellMat4(m, 0, 0, 1.0 - (tyy + tzz)); - SceneJS_math_setCellMat4(m, 0, 1, txy - twz); - SceneJS_math_setCellMat4(m, 0, 2, txz + twy); - SceneJS_math_setCellMat4(m, 1, 0, txy + twz); - SceneJS_math_setCellMat4(m, 1, 1, 1.0 - (txx + tzz)); - SceneJS_math_setCellMat4(m, 1, 2, tyz - twx); - SceneJS_math_setCellMat4(m, 2, 0, txz - twy); - SceneJS_math_setCellMat4(m, 2, 1, tyz + twx); - SceneJS_math_setCellMat4(m, 2, 2, 1.0 - (txx + tyy)); - return m; -}; - - -//var SceneJS_math_slerp(t, q1, q2) { -// var result = SceneJS_math_identityQuaternion(); -// var cosHalfAngle = q1[3] * q2[3] + q1[0] * q2[0] + q1[1] * q2[1] + q1[2] * q2[2]; -// if (Math.abs(cosHalfAngle) >= 1) { -// return [ q1[0],q1[1], q1[2], q1[3] ]; -// } else { -// var halfAngle = Math.acos(cosHalfAngle); -// var sinHalfAngle = Math.sqrt(1 - cosHalfAngle * cosHalfAngle); -// if (Math.abs(sinHalfAngle) < 0.001) { -// return [ -// q1[0] * 0.5 + q2[0] * 0.5, -// q1[1] * 0.5 + q2[1] * 0.5, -// q1[2] * 0.5 + q2[2] * 0.5, -// q1[3] * 0.5 + q2[3] * 0.5 -// ]; -// } else { -// var a = Math.sin((1 - t) * halfAngle) / sinHalfAngle; -// var b = Math.sin(t * halfAngle) / sinHalfAngle; -// return [ -// q1[0] * a + q2[0] * b, -// q1[1] * a + q2[1] * b, -// q1[2] * a + q2[2] * b, -// q1[3] * a + q2[3] * b -// ]; -// } -// } -//} - -var SceneJS_math_slerp = function(t, q1, q2) { - //var result = SceneJS_math_identityQuaternion(); - var q13 = q1[3] * 0.0174532925; - var q23 = q2[3] * 0.0174532925; - var cosHalfAngle = q13 * q23 + q1[0] * q2[0] + q1[1] * q2[1] + q1[2] * q2[2]; - if (Math.abs(cosHalfAngle) >= 1) { - return [ q1[0],q1[1], q1[2], q1[3] ]; - } else { - var halfAngle = Math.acos(cosHalfAngle); - var sinHalfAngle = Math.sqrt(1 - cosHalfAngle * cosHalfAngle); - if (Math.abs(sinHalfAngle) < 0.001) { - return [ - q1[0] * 0.5 + q2[0] * 0.5, - q1[1] * 0.5 + q2[1] * 0.5, - q1[2] * 0.5 + q2[2] * 0.5, - q1[3] * 0.5 + q2[3] * 0.5 - ]; - } else { - var a = Math.sin((1 - t) * halfAngle) / sinHalfAngle; - var b = Math.sin(t * halfAngle) / sinHalfAngle; - return [ - q1[0] * a + q2[0] * b, - q1[1] * a + q2[1] * b, - q1[2] * a + q2[2] * b, - (q13 * a + q23 * b) * 57.295779579 - ]; - } - } -}; - -var SceneJS_math_normalizeQuaternion = function(q) { - var len = SceneJS_math_lenVec4([q[0], q[1], q[2], q[3]]); - return [ q[0] / len, q[1] / len, q[2] / len, q[3] / len ]; -}; - -var SceneJS_math_conjugateQuaternion = function(q) { - return[-q[0],-q[1],-q[2],q[3]]; -}; - -var SceneJS_math_angleAxisFromQuaternion = function(q) { - q = SceneJS_math_normalizeQuaternion(q); - var q3 = q[3]; - var angle = 2 * Math.acos(q3); - var s = Math.sqrt(1 - q3 * q3); - if (s < 0.001) { // test to avoid divide by zero, s is always positive due to sqrt - return { - x : q[0], - y : q[1], - z : q[2], - angle: angle * 57.295779579 - }; - } else { - return { - x : q[0] / s, - y : q[1] / s, - z : q[2] / s, - angle: angle * 57.295779579 - }; - } -}; -/** Maps SceneJS node parameter names to WebGL enum names - * @private - */ -var SceneJS_webgl_enumMap = { - funcAdd:"FUNC_ADD", - funcSubtract:"FUNC_SUBTRACT", - funcReverseSubtract:"FUNC_REVERSE_SUBTRACT", - zero:"ZERO", - one:"ONE", - srcColor:"SRC_COLOR", - oneMinusSrcColor:"ONE_MINUS_SRC_COLOR", - dstColor:"DST_COLOR", - oneMinusDstColor:"ONE_MINUS_DST_COLOR", - srcAlpha:"SRC_ALPHA", - oneMinusSrcAlpha:"ONE_MINUS_SRC_ALPHA", - dstAlpha:"DST_ALPHA", - oneMinusDstAlpha:"ONE_MINUS_DST_ALPHA", - contantColor:"CONSTANT_COLOR", - oneMinusConstantColor:"ONE_MINUS_CONSTANT_COLOR", - constantAlpha:"CONSTANT_ALPHA", - oneMinusConstantAlpha:"ONE_MINUS_CONSTANT_ALPHA", - srcAlphaSaturate:"SRC_ALPHA_SATURATE", - front:"FRONT", - back:"BACK", - frontAndBack:"FRONT_AND_BACK", - never:"NEVER", - less:"LESS", - equal:"EQUAL", - lequal:"LEQUAL", - greater:"GREATER", - notequal:"NOTEQUAL", - gequal:"GEQUAL", - always:"ALWAYS", - cw:"CW", - ccw:"CCW", - linear:"LINEAR", - nearest:"NEAREST", - linearMipMapNearest:"LINEAR_MIPMAP_NEAREST", - nearestMipMapNearest:"NEAREST_MIPMAP_NEAREST", - nearestMipMapLinear:"NEAREST_MIPMAP_LINEAR", - linearMipMapLinear:"LINEAR_MIPMAP_LINEAR", - repeat:"REPEAT", - clampToEdge:"CLAMP_TO_EDGE", - mirroredRepeat:"MIRRORED_REPEAT", - alpha:"ALPHA", - rgb:"RGB", - rgba:"RGBA", - luminance:"LUMINANCE", - luminanceAlpha:"LUMINANCE_ALPHA", - textureBinding2D:"TEXTURE_BINDING_2D", - textureBindingCubeMap:"TEXTURE_BINDING_CUBE_MAP", - compareRToTexture:"COMPARE_R_TO_TEXTURE", // Hardware Shadowing Z-depth, - unsignedByte:"UNSIGNED_BYTE" -}; - -var SceneJS_webgl_ProgramUniform = function (gl, program, name, type, size, location, logging) { - - var func = null; - if (type == gl.BOOL) { - func = function (v) { - gl.uniform1i(location, v); - }; - } else if (type == gl.BOOL_VEC2) { - func = function (v) { - gl.uniform2iv(location, v); - }; - } else if (type == gl.BOOL_VEC3) { - func = function (v) { - gl.uniform3iv(location, v); - }; - } else if (type == gl.BOOL_VEC4) { - func = function (v) { - gl.uniform4iv(location, v); - }; - } else if (type == gl.INT) { - func = function (v) { - gl.uniform1iv(location, v); - }; - } else if (type == gl.INT_VEC2) { - func = function (v) { - gl.uniform2iv(location, v); - }; - } else if (type == gl.INT_VEC3) { - func = function (v) { - gl.uniform3iv(location, v); - }; - } else if (type == gl.INT_VEC4) { - func = function (v) { - gl.uniform4iv(location, v); - }; - } else if (type == gl.FLOAT) { - func = function (v) { - gl.uniform1f(location, v); - }; - } else if (type == gl.FLOAT_VEC2) { - func = function (v) { - gl.uniform2fv(location, v); - }; - } else if (type == gl.FLOAT_VEC3) { - func = function (v) { - gl.uniform3fv(location, v); - }; - } else if (type == gl.FLOAT_VEC4) { - func = function (v) { - gl.uniform4fv(location, v); - }; - } else if (type == gl.FLOAT_MAT2) { - func = function (v) { - gl.uniformMatrix2fv(location, gl.FALSE, v); - }; - } else if (type == gl.FLOAT_MAT3) { - func = function (v) { - gl.uniformMatrix3fv(location, gl.FALSE, v); - }; - } else if (type == gl.FLOAT_MAT4) { - func = function (v) { - gl.uniformMatrix4fv(location, gl.FALSE, v); - }; - } else { - throw "Unsupported shader uniform type: " + type; - } - - this.setValue = func; - - - this.getValue = function () { - return gl.getUniform(program, location); - }; - - this.getLocation = function () { - return location; - }; -}; - -var SceneJS_webgl_ProgramSampler = function (gl, program, name, type, size, location) { - this.bindTexture = function (texture, unit) { - if (texture.bind(unit)) { - gl.uniform1i(location, unit); - return true; - } - return false; - }; -}; - -/** An attribute within a shader - */ -var SceneJS_webgl_ProgramAttribute = function (gl, program, name, type, size, location) { - this.bindFloatArrayBuffer = function (buffer) { - buffer.bind(); - gl.enableVertexAttribArray(location); - gl.vertexAttribPointer(location, buffer.itemSize, gl.FLOAT, false, 0, 0); // Vertices are not homogeneous - no w-element - }; - -}; - -/** - * A vertex/fragment shader in a program - * - * @private - * @param gl WebGL gl - * @param gl.VERTEX_SHADER | gl.FRAGMENT_SHADER - * @param source Source code for shader - * @param logging Shader will write logging's debug channel as it compiles - */ -var SceneJS_webgl_Shader = function (gl, type, source) { - - this.handle = gl.createShader(type); - - gl.shaderSource(this.handle, source); - gl.compileShader(this.handle); - - this.valid = (gl.getShaderParameter(this.handle, gl.COMPILE_STATUS) != 0); - - if (!this.valid) { - - if (!gl.isContextLost()) { // Handled explicitely elsewhere, so wont rehandle here - - SceneJS.log.error("Shader program failed to compile: " + gl.getShaderInfoLog(this.handle)); - SceneJS.log.error("Shader source:"); - var lines = source.split('\n'); - for (var j = 0; j < lines.length; j++) { - SceneJS.log.error(lines[j]); - } - - throw SceneJS_error.fatalError( - SceneJS.errors.SHADER_COMPILATION_FAILURE, "Shader program failed to compile"); - } - } -}; - -/** - * @class Wrapper for a WebGL program - * - * @param hash SceneJS-managed ID for program - * @param gl WebGL gl - * @param vertexSources Source codes for vertex shaders - * @param fragmentSources Source codes for fragment shaders - * @param logging Program and shaders will write to logging's debug channel as they compile and link - */ -var SceneJS_webgl_Program = function (gl, vertexSources, fragmentSources) { - - var a, i, u, u_name, location, shader; - - this._uniforms = {}; - this._samplers = {}; - this._attributes = {}; - - /* Create shaders from sources - */ - this._shaders = []; - for (i = 0; i < vertexSources.length; i++) { - this._shaders.push(new SceneJS_webgl_Shader(gl, gl.VERTEX_SHADER, vertexSources[i])); - } - for (i = 0; i < fragmentSources.length; i++) { - this._shaders.push(new SceneJS_webgl_Shader(gl, gl.FRAGMENT_SHADER, fragmentSources[i])); - } - - /* Create program, attach shaders, link and validate program - */ - var handle = gl.createProgram(); - - for (i = 0; i < this._shaders.length; i++) { - shader = this._shaders[i]; - if (shader.valid) { - gl.attachShader(handle, shader.handle); - } - } - gl.linkProgram(handle); - - this.valid = (gl.getProgramParameter(handle, gl.LINK_STATUS) != 0); - - var debugCfg = SceneJS_debugModule.getConfigs("shading"); - if (debugCfg.validate !== false) { - gl.validateProgram(handle); - this.valid = this.valid && (gl.getProgramParameter(handle, gl.VALIDATE_STATUS) != 0); - } - - if (!this.valid) { - - if (!gl.isContextLost()) { // Handled explicitely elsewhere, so wont rehandle here - - SceneJS.log.error("Shader program failed to link: " + gl.getProgramInfoLog(handle)); - - SceneJS.log.error("Vertex shader(s):"); - for (i = 0; i < vertexSources.length; i++) { - SceneJS.log.error("Vertex shader #" + i + ":"); - var lines = vertexSources[i].split('\n'); - for (var j = 0; j < lines.length; j++) { - SceneJS.log.error(lines[j]); - - } - } - - SceneJS.log.error("Fragment shader(s):"); - for (i = 0; i < fragmentSources.length; i++) { - SceneJS.log.error("Fragment shader #" + i + ":"); - var lines = fragmentSources[i].split('\n'); - for (var j = 0; j < lines.length; j++) { - SceneJS.log.error(lines[j]); - } - } - - throw SceneJS_error.fatalError( - SceneJS.errors.SHADER_LINK_FAILURE, "Shader program failed to link"); - } - } - - /* Discover active uniforms and samplers - */ - - var numUniforms = gl.getProgramParameter(handle, gl.ACTIVE_UNIFORMS); - - for (i = 0; i < numUniforms; ++i) { - u = gl.getActiveUniform(handle, i); - if (u) { - u_name = u.name; - if (u_name[u_name.length - 1] == "\u0000") { - u_name = u_name.substr(0, u_name.length - 1); - } - location = gl.getUniformLocation(handle, u_name); - if ((u.type == gl.SAMPLER_2D) || (u.type == gl.SAMPLER_CUBE) || (u.type == 35682)) { - - this._samplers[u_name] = new SceneJS_webgl_ProgramSampler( - gl, - handle, - u_name, - u.type, - u.size, - location); - } else { - this._uniforms[u_name] = new SceneJS_webgl_ProgramUniform( - gl, - handle, - u_name, - u.type, - u.size, - location); - } - } - } - - /* Discover attributes - */ - - var numAttribs = gl.getProgramParameter(handle, gl.ACTIVE_ATTRIBUTES); - for (i = 0; i < numAttribs; i++) { - a = gl.getActiveAttrib(handle, i); - if (a) { - location = gl.getAttribLocation(handle, a.name); - this._attributes[a.name] = new SceneJS_webgl_ProgramAttribute( - gl, - handle, - a.name, - a.type, - a.size, - location); - } - } - - this.setProfile = function (profile) { - this._profile = profile; - }; - - this.bind = function () { - gl.useProgram(handle); - if (this._profile) { - this._profile.program++; - } - }; - - this.getUniformLocation = function (name) { - var u = this._uniforms[name]; - if (u) { - return u.getLocation(); - } else { - // SceneJS.log.warn("Uniform not found in shader : " + name); - } - }; - - this.getUniform = function (name) { - var u = this._uniforms[name]; - if (u) { - return u; - } else { - // SceneJS.log.warn("Shader uniform load failed - uniform not found in shader : " + name); - } - }; - - this.setUniform = function (name, value) { - var u = this._uniforms[name]; - if (u) { - u.setValue(value); - if (this._profile) { - this._profile.uniform++; - } - } else { - // SceneJS.log.warn("Shader uniform load failed - uniform not found in shader : " + name); - } - }; - - this.getAttribute = function (name) { - var attr = this._attributes[name]; - if (attr) { - return attr; - } else { - // logging.warn("Shader attribute bind failed - attribute not found in shader : " + name); - } - }; - - this.bindFloatArrayBuffer = function (name, buffer) { - var attr = this._attributes[name]; - if (attr) { - attr.bindFloatArrayBuffer(buffer); - if (this._profile) { - this._profile.varying++; - } - } else { - // logging.warn("Shader attribute bind failed - attribute not found in shader : " + name); - } - }; - - this.bindTexture = function (name, texture, unit) { - var sampler = this._samplers[name]; - if (sampler) { - if (this._profile) { - this._profile.texture++; - } - return sampler.bindTexture(texture, unit); - } else { - return false; - } - }; - - this.unbind = function () { - // gl.useProgram(0); - }; - - this.destroy = function () { - - if (this.valid) { - - // SceneJS.log.debug("Destroying shader program: '" + hash + "'"); - gl.deleteProgram(handle); - for (var s in this._shaders) { - gl.deleteShader(this._shaders[s].handle); - } - this._attributes = null; - this._uniforms = null; - this._samplers = null; - this.valid = false; - } - }; -}; - -var SceneJS_webgl_Texture2D = function (gl, cfg) { - - this.target = gl.TEXTURE_2D; - this.minFilter = cfg.minFilter; - this.magFilter = cfg.magFilter; - this.wrapS = cfg.wrapS; - this.wrapT = cfg.wrapT; - this.update = cfg.update; // For dynamically-sourcing textures (ie movies etc) - this.texture = cfg.texture; - this.format = gl.RGBA; - this.isDepth = false; - this.depthMode = 0; - this.depthCompareMode = 0; - this.depthCompareFunc = 0; - - try { - gl.bindTexture(this.target, this.texture); - - if (cfg.minFilter) { - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, cfg.minFilter); - } - - if (cfg.magFilter) { - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, cfg.magFilter); - } - - if (cfg.wrapS) { - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, cfg.wrapS); - } - - if (cfg.wrapT) { - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, cfg.wrapT); - } - - if (cfg.minFilter == gl.NEAREST_MIPMAP_NEAREST || - cfg.minFilter == gl.LINEAR_MIPMAP_NEAREST || - cfg.minFilter == gl.NEAREST_MIPMAP_LINEAR || - cfg.minFilter == gl.LINEAR_MIPMAP_LINEAR) { - gl.generateMipmap(gl.TEXTURE_2D); - } - - gl.bindTexture(this.target, null); - - } catch (e) { - throw SceneJS_error.fatalError(SceneJS.errors.ERROR, "Failed to create texture: " + e.message || e); - } - - this.bind = function (unit) { - if (this.texture) { - gl.activeTexture(gl["TEXTURE" + unit]); - gl.bindTexture(this.target, this.texture); - if (this.update) { - this.update(gl); - } - return true; - } - return false; - }; - - this.unbind = function (unit) { - if (this.texture) { - gl.activeTexture(gl["TEXTURE" + unit]); - gl.bindTexture(this.target, null); - } - }; - - this.destroy = function () { - if (this.texture) { - gl.deleteTexture(this.texture); - this.texture = null; - } - }; -}; - - -function SceneJS_webgl_ensureImageSizePowerOfTwo(image) { - if (!SceneJS_webgl_isPowerOfTwo(image.width) || !SceneJS_webgl_isPowerOfTwo(image.height)) { - var canvas = document.createElement("canvas"); - canvas.width = SceneJS_webgl_nextHighestPowerOfTwo(image.width); - canvas.height = SceneJS_webgl_nextHighestPowerOfTwo(image.height); - var ctx = canvas.getContext("2d"); - ctx.drawImage(image, - 0, 0, image.width, image.height, - 0, 0, canvas.width, canvas.height); - image = canvas; - } - return image; -} - -function SceneJS_webgl_isPowerOfTwo(x) { - return (x & (x - 1)) == 0; -} - -function SceneJS_webgl_nextHighestPowerOfTwo(x) { - --x; - for (var i = 1; i < 32; i <<= 1) { - x = x | x >> i; - } - return x + 1; -} - -/** Buffer for vertices and indices - * - * @private - * @param gl WebGL gl - * @param type Eg. ARRAY_BUFFER, ELEMENT_ARRAY_BUFFER - * @param values WebGL array wrapper - * @param numItems Count of items in array wrapper - * @param itemSize Size of each item - * @param usage Eg. STATIC_DRAW - */ - -var SceneJS_webgl_ArrayBuffer = function (gl, type, values, numItems, itemSize, usage) { - - - this.type = type; - this.itemSize = itemSize; - - this._allocate = function (values, numItems) { - this.handle = gl.createBuffer(); - this.handle.numItems = numItems; - this.handle.itemSize = itemSize; - gl.bindBuffer(type, this.handle); - gl.bufferData(type, values, usage); - this.handle.numItems = numItems; - gl.bindBuffer(type, null); - this.numItems = numItems; - this.length = values.length; - }; - - this._allocate(values, numItems); - - this.bind = function () { - gl.bindBuffer(type, this.handle); - }; - - this.setData = function (data, offset) { - - if (data.length > this.length) { - this.destroy(); - this._allocate(data, data.length); - - } else { - - if (offset || offset === 0) { - gl.bufferSubData(type, offset, data); - } else { - gl.bufferData(type, data); - } - } - }; - - this.unbind = function () { - gl.bindBuffer(type, null); - }; - - this.destroy = function () { - gl.deleteBuffer(this.handle); - }; -}; - - -var SceneJS_PickBuffer = function (cfg) { - - var canvas = cfg.canvas; - var gl = canvas.gl; - - var pickBuf; - var bound = false; - - /** - * Called when WebGL context restored - */ - this.webglRestored = function (_gl) { - gl = _gl; - pickBuf = null; - }; - - this._touch = function () { - - var width = canvas.canvas.width; - var height = canvas.canvas.height; - - if (pickBuf) { // Currently have a pick buffer - if (pickBuf.width == width && pickBuf.height == height) { // Canvas size unchanged, buffer still good - return; - } else { // Buffer needs reallocation for new canvas size - - gl.deleteTexture(pickBuf.texture); - gl.deleteFramebuffer(pickBuf.framebuf); - gl.deleteRenderbuffer(pickBuf.renderbuf); - } - } - - pickBuf = { - framebuf:gl.createFramebuffer(), - renderbuf:gl.createRenderbuffer(), - texture:gl.createTexture(), - width:width, - height:height - }; - - gl.bindFramebuffer(gl.FRAMEBUFFER, pickBuf.framebuf); - - gl.bindTexture(gl.TEXTURE_2D, pickBuf.texture); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); - - try { - // Do it the way the spec requires - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); - } catch (exception) { - // Workaround for what appears to be a Minefield bug. - var textureStorage = new WebGLUnsignedByteArray(width * height * 3); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, textureStorage); - } - gl.bindRenderbuffer(gl.RENDERBUFFER, pickBuf.renderbuf); - gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, width, height); - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, pickBuf.texture, 0); - gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, pickBuf.renderbuf); - gl.bindTexture(gl.TEXTURE_2D, null); - gl.bindRenderbuffer(gl.RENDERBUFFER, null); - gl.bindFramebuffer(gl.FRAMEBUFFER, null); - - /* Verify framebuffer is OK - */ - gl.bindFramebuffer(gl.FRAMEBUFFER, pickBuf.framebuf); - if (!gl.isFramebuffer(pickBuf.framebuf)) { - throw SceneJS_errorModule.fatalError("Invalid framebuffer"); - } - var status = gl.checkFramebufferStatus(gl.FRAMEBUFFER); - switch (status) { - case gl.FRAMEBUFFER_COMPLETE: - break; - case gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT: - throw SceneJS_errorModule.fatalError("Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT"); - case gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: - throw SceneJS_errorModule.fatalError("Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT"); - case gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS: - throw SceneJS_errorModule.fatalError("Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS"); - case gl.FRAMEBUFFER_UNSUPPORTED: - throw SceneJS_errorModule.fatalError("Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED"); - default: - throw SceneJS_errorModule.fatalError("Incomplete framebuffer: " + status); - } - - bound = false; - }; - - this.bind = function () { - - this._touch(); - - if (bound) { - return; - } - - gl.bindFramebuffer(gl.FRAMEBUFFER, pickBuf.framebuf); - - bound = true; - }; - - this.clear = function () { - - if (!bound) { - throw "Pick buffer not bound"; - } - - gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); - gl.disable(gl.BLEND); - }; - - - /** Reads pick buffer pixel at given coordinates, returns index of associated object else (-1) - */ - this.read = function (pickX, pickY) { - var x = pickX; - var y = canvas.canvas.height - pickY; - var pix = new Uint8Array(4); - gl.readPixels(x, y, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pix); - return pix; - }; - - this.unbind = function () { - gl.bindFramebuffer(gl.FRAMEBUFFER, null); - bound = false; - }; -}; - -var SceneJS_PickBufferOLD = function (cfg) { - - var canvas = cfg.canvas; - var gl = cfg.canvas.gl; - - var pickBuf; - this.bound = false; - - /** - * Initialises the pick buffer - * @param _gl WebGL context - */ - this.init = function (_gl) { - - gl = _gl; - pickBuf = null; - - var width = canvas.canvas.width; - var height = canvas.canvas.height; - - if (pickBuf) { // Currently have a pick buffer - - if (pickBuf.width == width && pickBuf.height == height) { // Canvas size unchanged, buffer still good - return; - - } else { // Buffer needs reallocation for new canvas size - - gl.deleteTexture(pickBuf.texture); - gl.deleteFramebuffer(pickBuf.framebuf); - gl.deleteRenderbuffer(pickBuf.renderbuf); - } - } - - pickBuf = { - framebuf:gl.createFramebuffer(), - renderbuf:gl.createRenderbuffer(), - texture:gl.createTexture(), - width:width, - height:height - }; - - gl.bindFramebuffer(gl.FRAMEBUFFER, pickBuf.framebuf); - - gl.bindTexture(gl.TEXTURE_2D, pickBuf.texture); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); - - try { - // Do it the way the spec requires - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); - } catch (exception) { - // Workaround for what appears to be a Minefield bug. - var textureStorage = new WebGLUnsignedByteArray(width * height * 3); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, textureStorage); - } - - gl.bindRenderbuffer(gl.RENDERBUFFER, pickBuf.renderbuf); - gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, width, height); - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, pickBuf.texture, 0); - gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, pickBuf.renderbuf); - - gl.bindTexture(gl.TEXTURE_2D, null); - gl.bindRenderbuffer(gl.RENDERBUFFER, null); - gl.bindFramebuffer(gl.FRAMEBUFFER, null); - - /* Verify framebuffer is OK - */ - gl.bindFramebuffer(gl.FRAMEBUFFER, pickBuf.framebuf); - if (!gl.isFramebuffer(pickBuf.framebuf)) { - throw SceneJS_error.fatalError("Invalid framebuffer"); - } - - var status = gl.checkFramebufferStatus(gl.FRAMEBUFFER); - - switch (status) { - case gl.FRAMEBUFFER_COMPLETE: - break; - case gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT: - throw SceneJS_error.fatalError("Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT"); - case gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: - throw SceneJS_error.fatalError("Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT"); - case gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS: - throw SceneJS_error.fatalError("Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS"); - case gl.FRAMEBUFFER_UNSUPPORTED: - throw SceneJS_error.fatalError("Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED"); - default: - throw SceneJS_error.fatalError("Incomplete framebuffer: " + status); - } - - this.bound = false; - }; - - this.bind = function () { - if (this.bound) { - return; - } - gl.bindFramebuffer(gl.FRAMEBUFFER, pickBuf.framebuf); - this.bound = true; - }; - - this.clear = function () { - if (this.bound) { - return; - } - gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); - gl.disable(gl.BLEND); - }; - - - /** Reads pick buffer pixel at given coordinates, returns index of associated object else (-1) - */ - this.read = function (pickX, pickY) { - var x = pickX; - var y = canvas.canvas.height - pickY; - var pix = new Uint8Array(4); - gl.readPixels(x, y, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pix); - return pix; - }; - - this.unbind = function () { - if (this.bound) { - return; - } - gl.bindFramebuffer(gl.FRAMEBUFFER, null); - this.bound = false; - }; - - this.init(cfg.canvas.gl); -}; -/** - * Backend that tracks statistics on loading states of nodes during scene traversal. - * - * This supports the "loading-status" events that we can listen for on scene nodes. - * - * When a node with that listener is pre-visited, it will call getStatus on this module to - * save a copy of the status. Then when it is post-visited, it will call diffStatus on this - * module to find the status for its sub-nodes, which it then reports through the "loading-status" event. - * - * @private - */ -var SceneJS_sceneStatusModule = new (function() { - - this.sceneStatus = {}; - - var self = this; - - SceneJS_events.addListener( - SceneJS_events.SCENE_CREATED, - function(params) { - self.sceneStatus[params.engine.id] = { - numLoading: 0 - }; - }); - - SceneJS_events.addListener( - SceneJS_events.SCENE_DESTROYED, - function(params) { - delete self.sceneStatus[params.engine.id]; - }); - - this.nodeLoading = function(node) { - - var status = self.sceneStatus[node._engine.id]; - - if (!status) { - status = self.sceneStatus[node._engine.id] = { - numLoading: 0 - }; - - } - status.numLoading++; - }; - - this.nodeLoaded = function(node) { - this.sceneStatus[node._engine.id].numLoading--; - }; - -})(); - -/** - * Manages scene node event listeners - * @private - */ -var SceneJS_nodeEventsModule = new (function() { - - var idStack = []; - var listenerStack = []; - var stackLen = 0; - var dirty; - - var defaultCore = { - type: "listeners", - stateId: SceneJS._baseStateId++, - empty: true, - listeners: [] - }; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function() { - stackLen = 0; - dirty = true; - }); - - SceneJS_events.addListener( - SceneJS_events.OBJECT_COMPILING, - function(params) { - - if (dirty) { - - if (stackLen > 0) { - - var core = { - type: "listeners", - stateId: idStack[stackLen - 1], - listeners: listenerStack.slice(0, stackLen) - }; - - params.display.renderListeners = core; - - } else { - - params.display.renderListeners = defaultCore; - } - - dirty = false; - } - }); - - this.preVisitNode = function(node) { - - var listeners = node._listeners["rendered"]; - - if (listeners && listeners.length > 0) { - idStack[stackLen] = node.id; - - var fn = node.__fireRenderedEvent; - if (!fn) { - fn = node.__fireRenderedEvent = function (params) { - node._fireEvent("rendered", params); - }; - } - - listenerStack[stackLen] = fn; - stackLen++; - dirty = true; - } - }; - - this.postVisitNode = function(node) { - if (node.id == idStack[stackLen - 1]) { - stackLen--; - dirty = true; - } - }; - -})(); - -/** - * @class Holds state for one or more {@link SceneJS.Node}s. - * - *

Each {@link SceneJS.Node} has a state core to hold its state, and the core may be shared by other - * {@link SceneJS.Nodes}s of the same type.

- * - *

The state held by core is rendered by a {@link SceneJS_Chunk} - * - * @private - */ -var SceneJS_Core = function(type) { - - /** - * The state core type, which will be the same value as the type property on the {@link SceneJS.Node}s that use the core - * @type String - * @see SceneJS.Node#type - */ - this.type = type; - - /** - * The state core ID, unique within the scene. This ID may be either a string assigned by the application layer via - * scene node configs, or a number that is automatically generated by the {@link SceneJS_CoreFactory} managing - * this core instance. - * @type String|Number - */ - this.coreId = null; - - /** - * Uniquely identifies this state core within a {@link SceneJS_Display}. - * - * This ID is used by a {@link SceneJS_Display} to reduce redundant state changes when rendering a sequence of cores, - * where as a {@link SceneJS_Display} renders a frame it avoids applying consecutive cores that have the - * same value for this ID. - * - * @type Number - */ - this.stateId = null; - - /** - * Count of {@link SceneJS.Node} instances this core holds state for - */ - this.useCount = 0; -};/** - * @class Manages creation, recycle and destruction of {@link SceneJS_Core} instances - * @private - */ -var SceneJS_CoreFactory = function () { - - this._stateMap = new SceneJS_Map(null, SceneJS._baseStateId); // For creating unique state IDs for cores - - this._cores = {}; // Map of cores for each type -}; - -/** - * State core classes provided by this factory - * @type {SceneJS.Core} - */ -SceneJS_CoreFactory.coreTypes = {}; // Supported core classes, installed by #createCoreType - -/** - * Creates a core class for instantiation by this factory - * @param {String} type Name of type, eg. "camera" - * @param {Node} [superType] Class of super type - SceneJS.Node by default - * @returns The new node class - */ -SceneJS_CoreFactory.createCoreType = function (type, superType) { - // - // var supa = SceneJS_CoreFactory.coreTypes[superType]; - // - // if (!supa) { - // supa = SceneJS.Core; // Super class is Core by default - // } - // - // var nodeType = function() { // Create the class - // supa.apply(this, arguments); - // this.type = type; - // }; - // - // nodeType.prototype = new supa(); // Inherit from base class - // nodeType.prototype.constructor = nodeType; - // - // SceneJS_CoreFactory.nodeTypes[type] = nodeType; - // - // return nodeType; -}; - -SceneJS_CoreFactory.addCoreBuilder = function (type, factory) { - -}; - -/* HACK - allows different types of node to have same type of core, eg. "rotate" and "translate" nodes can both have an "xform" core - */ -SceneJS_CoreFactory.coreAliases = { - "rotate":"xform", - "translate":"xform", - "scale":"xform", - "matrix":"xform", - "xform":"xform" -}; - -/** - * Gets a core of the given type from this factory. Reuses any existing existing core of the same type and ID. - * - * The caller (a scene node) will then augment the core with type-specific attributes and methods. - * - * @param {String} type Type name of core, e.g. "material", "texture" - * @param {String} coreId ID for the core, unique among all cores of the given type within this factory - * @returns {Core} The core - */ -SceneJS_CoreFactory.prototype.getCore = function (type, coreId) { - - /* HACK - allows different types of node to have same type of core, eg. "rotate" and "translate" nodes can both have an "xform" core - */ - var alias = SceneJS_CoreFactory.coreAliases[type]; - if (alias) { - type = alias; - } - - var cores = this._cores[type]; - - if (!cores) { - cores = this._cores[type] = {}; - } - - var core; - - if (coreId) { // Attempt to reuse a core - - core = cores[coreId]; - - if (core) { - core.useCount++; - return core; - } - } - - core = new SceneJS_Core(type); - core.useCount = 1; // One user so far - - core.stateId = this._stateMap.addItem(core); - core.coreId = (coreId != undefined && coreId != null) ? coreId : core.stateId; // Use state ID as core ID by default - - cores[core.coreId] = core; - - return core; -}; - -/** - * Releases a state core back to this factory, destroying it if the core's use count is then zero. - * @param {Core} core Core to release - */ -SceneJS_CoreFactory.prototype.putCore = function (core) { - - if (core.useCount == 0) { - return; // In case of excess puts - } - - if (--core.useCount <= 0) { // Release shared core if use count now zero - - var cores = this._cores[core.type]; - - cores[core.coreId] = null; - - this._stateMap.removeItem(core.stateId); // Release state ID for reuse - } -}; - -/** - * Reallocates WebGL resources for cores within this factory - */ -SceneJS_CoreFactory.prototype.webglRestored = function () { - - var cores; - var core; - - for (var type in this._cores) { - if (this._cores.hasOwnProperty(type)) { - - cores = this._cores[type]; - - if (cores) { - - for (var coreId in cores) { - if (cores.hasOwnProperty(coreId)) { - - core = cores[coreId]; - - if (core.webglRestored) { // Method augmented on core by user - core.webglRestored(); - } - } - } - } - } - } -}; -/** - * @class The basic scene graph node type - */ -SceneJS.Node = function () { -}; - -/** - * @class Basic scene graph node - */ -SceneJS.Node.prototype.constructor = SceneJS.Node; - -/** - * Called by SceneJS_Engine after it has instantiated the node - * - * @param {SceneJS_Engine} engine The engine which will manage this node - * @param {SceneJS_Core} core The core which will hold state for this node, may be shared with other nodes of the same type - * @param cfg Configuration for this node - * @param {String} cfg.id ID for the node, unique among all nodes in the scene - * @param {String} cfg.type type Type of this node (eg. "material", "texture" etc) - * @param {Object} cfg.data Optional arbitrary JSON object to attach to node - * @param {String} nodeId Optional ID for node - */ -SceneJS.Node.prototype._construct = function (engine, core, cfg, nodeId) { - - /** - * Engine that manages this node - * @type SceneJS_Engine - */ - this._engine = engine; - - /** - * The core which holds state for this node, may be shared with other nodes of the same type - * @type SceneJS_Core - */ - this._core = core; - - /** - * ID of this node, unique within its scene. The ID is a string if it was defined by the application - * via the node's JSON configuration, otherwise it is a number if it was left to SceneJS to automatically create. - * @type String|Number - */ - this.id = cfg.id || cfg.nodeId || nodeId; - - /** - * Type of this node (eg. "material", "texture" etc) - * @type String - */ - this.type = cfg.type || "node"; - - /** - * Optional arbitrary JSON object attached to this node - * @type JSON - */ - this.data = cfg.data; - - /** - * Parent node - * @type SceneJS.Node - */ - this.parent = null; - - /** - * Child nodes - * @type SceneJS.Node[] - */ - this.nodes = []; - - // Pub/sub support - this._handleMap = new SceneJS_Map(); // Subscription handle pool - this._topicSubs = {}; // A [handle -> callback] map for each topic name - this._handleTopics = {}; // Maps handles to topic names - this._topicPubs = {}; // Maps topics to publications - - /** - * - */ - this._listeners = {}; - - /** - * - */ - this._numListeners = 0; // Useful for quick check whether node observes any events - - /** - * - */ - this.dirty = false; - - /** - * - */ - this.branchDirty = false; - - if (this._init) { - this._init(cfg); - } -}; - -/** - * Publishes to a topic on this node. - * - * Immediately notifies existing subscriptions to that topic, retains the publication to give to - * any subsequent notifications on that topic as they are made. - * - * This is called internally by proxies. Only they create publications, which are subscribed - * to by client code. - * - * @param topic Publication topic - * @param pub The publication - * @private - */ -SceneJS.Node.prototype._publish = function (topic, pub) { - this._topicPubs[topic] = pub; // Save notification - var subsForTopic = this._topicSubs[topic]; - if (subsForTopic) { // Notify subscriptions - for (var handle in subsForTopic) { - if (subsForTopic.hasOwnProperty(handle)) { - subsForTopic[handle].call(this, pub); - } - } - } -}; - -SceneJS.Node.prototype._unpublish = function (topic) { - delete this._topicPubs[topic]; - var subsForTopic = this._topicSubs[topic]; - if (subsForTopic) { // Notify subscriptions - for (var handle in subsForTopic) { - if (subsForTopic.hasOwnProperty(handle)) { - subsForTopic[handle].call(this, pub); - } - } - } -}; - - -/** - * Listen for data changes at a particular location on this node - * - *

Your callback will be triggered for - * the initial data and again whenever the data changes. Use {@link #off} to stop receiving updates.

- * - *

The callback is be called with this node as scope.

- * - * @param {String} location Publication location - * @param {Function(data)} callback Called when fresh data is available at the location - * @return {String} Handle to the subscription, which may be used to unsubscribe with {@link #off}. - */ -SceneJS.Node.prototype.on = function (topic, callback) { - var subsForTopic = this._topicSubs[topic]; - if (!subsForTopic) { - subsForTopic = {}; - this._topicSubs[topic] = subsForTopic; - } - var handle = this._handleMap.addItem(); // Create unique handle - subsForTopic[handle] = callback; - this._handleTopics[handle] = topic; - var pub = this._topicPubs[topic]; - if (pub) { // A publication exists, notify callback immediately - callback.call(this, pub); - } - return handle; -}; - -/** - * Unsubscribes from a publication on this node that was previously made with {@link #on}. - * @param handle Publication handle - */ -SceneJS.Node.prototype.off = function (handle) { - var topic = this._handleTopics[handle]; - if (topic) { - delete this._handleTopics[handle]; - var topicSubs = this._topicSubs[topic]; - if (topicSubs) { - delete topicSubs[handle]; - } - this._handleMap.removeItem(handle); // Release handle - } -}; - -/** - * Listens for exactly one data update at the specified location on this node, and then stops listening. - *

This is equivalent to calling {@link #on}, and then calling {@link #off} inside the callback function.

- * @param {String} location Data location to listen to - * @param {Function(data)} callback Called when fresh data is available at the location - */ -SceneJS.Node.prototype.once = function (topic, callback) { - var self = this; - var sub = this.on(topic, - function (pub) { - self.off(sub); - callback(pub); - }); -}; - -/** - * Returns this node's {@link SceneJS.Scene} - */ -SceneJS.Node.prototype.getScene = function () { - return this._engine.scene; -}; - -/** - * Returns the ID of this node's core - */ -SceneJS.Node.prototype.getCoreId = function () { - return this._core.coreId; -}; - -/** - * Get the node's ID - * - */ -SceneJS.Node.prototype.getID = function () { - return this.id; -}; - -/** - * Alias for getID - * @function - */ -SceneJS.Node.prototype.getId = function () { - return this.id; -}; - -/** - * Alias for getID - * @function - */ -SceneJS.Node.prototype.getNodeId = function () { - return this.id; -}; - - -/** - * Returns the node's type. For the Node base class, it is "node", overridden in sub-classes. - */ -SceneJS.Node.prototype.getType = function () { - return this.type; -}; - -/** - * Returns the data object attached to this node. - */ -SceneJS.Node.prototype.getData = function () { - return this.data; -}; - -/** - * Sets a data object on this node. - */ -SceneJS.Node.prototype.setData = function (data) { - this.data = data; - return this; -}; - -/** - * Returns the number of child nodes - */ -SceneJS.Node.prototype.getNumNodes = function () { - return this.nodes.length; -}; - -/** Returns child nodes - * @returns {Array} Child nodes - */ -SceneJS.Node.prototype.getNodes = function () { - return this.nodes.slice(0); -}; - -/** Returns child node at given index. Returns null if no node at that index. - * @param {Number} index The child index - * @returns {Node} Child node, or null if not found - */ -SceneJS.Node.prototype.getNodeAt = function (index) { - if (index < 0 || index >= this.nodes.length) { - return null; - } - return this.nodes[index]; -}; - -/** Returns first child node. Returns null if no child nodes. - * @returns {Node} First child node, or null if not found - */ -SceneJS.Node.prototype.getFirstNode = function () { - if (this.nodes.length == 0) { - return null; - } - return this.nodes[0]; -}; - -/** Returns last child node. Returns null if no child nodes. - * @returns {Node} Last child node, or null if not found - */ -SceneJS.Node.prototype.getLastNode = function () { - if (this.nodes.length == 0) { - return null; - } - return this.nodes[this.nodes.length - 1]; -}; - -/** Returns child node with the given ID. - * Returns null if no such child node found. - */ -SceneJS.Node.prototype.getNode = function (id) { - for (var i = 0; i < this.nodes.length; i++) { - if (this.nodes[i].id == id) { - return this.nodes[i]; - } - } - return null; -}; - -/** Disconnects the child node at the given index from its parent node - * @param {int} index Child node index - * @returns {Node} The disconnected child node if located, else null - */ -SceneJS.Node.prototype.disconnectNodeAt = function (index) { - var r = this.nodes.splice(index, 1); - if (r.length > 0) { - r[0].parent = null; - this._engine.display.objectListDirty = true; - return r[0]; - } else { - return null; - } -}; - -/** Disconnects the child node from its parent, given as a node object - * @param {String | Node} id The target child node, or its ID - * @returns {Node} The removed child node if located - */ -SceneJS.Node.prototype.disconnect = function () { - if (this.parent) { - for (var i = 0; i < this.parent.nodes.length; i++) { - if (this.parent.nodes[i] === this) { - return this.parent.disconnectNodeAt(i); - } - } - } - return null; -}; - -/** Removes the child node at the given index - * @param {int} index Child node index - */ -SceneJS.Node.prototype.removeNodeAt = function (index) { - var child = this.disconnectNodeAt(index); - if (child) { - child.destroy(); - this._engine.display.objectListDirty = true; - } -}; - -/** Removes the child node, given as either a node object or an ID string. - * @param {String | Node} id The target child node, or its ID - * @returns {Node} The removed child node if located - */ -SceneJS.Node.prototype.removeNode = function (node) { - - if (!node) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Node#removeNode - node argument undefined"); - } - - if (!node._compile) { - if (typeof node == "string") { - var gotNode = this._engine.findNode(node); - if (!gotNode) { - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_NOT_FOUND, - "Node#removeNode - node not found anywhere: '" + node + "'"); - } - node = gotNode; - } - } - - if (node._compile) { // instance of node - for (var i = 0; i < this.nodes.length; i++) { - if (this.nodes[i] === node) { - var removedNode = this.removeNodeAt(i); - this._engine.display.objectListDirty = true; - return removedNode; - } - } - } - - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_NOT_FOUND, - "Node#removeNode - child node not found: " + (node._compile ? ": " + node.id : node)); -}; - -/** Disconnects all child nodes from their parent node and returns them in an array. - */ -SceneJS.Node.prototype.disconnectNodes = function () { - - var len = this.nodes.length; - - for (var i = 0; i < len; i++) { // Unlink nodes from this - this.nodes[i].parent = null; - } - - var nodes = this.nodes; - - this.nodes = []; - - this._engine.display.objectListDirty = true; - - return nodes; -}; - -/** Removes all child nodes and returns them in an array. - */ -SceneJS.Node.prototype.removeNodes = function () { - var nodes = this.disconnectNodes(); - for (var i = 0; i < nodes.length; i++) { - this.nodes[i].destroy(); - this._engine.display.objectListDirty = true; - } -}; - -/** Destroys this node and moves children up to parent, inserting them where this node resided. - */ -SceneJS.Node.prototype.splice = function () { - - var i, len; - - if (this.parent == null) { - return null; - } - var parent = this.parent; - var nodes = this.disconnectNodes(); - for (i = 0, len = nodes.length; i < len; i++) { // Link this node's nodes to new parent - nodes[i].parent = this.parent; - } - for (i = 0, len = parent.nodes.length; i < len; i++) { // Replace node on parent's nodes with this node's nodes - if (parent.nodes[i] === this) { - - parent.nodes.splice.apply(parent.nodes, [i, 1].concat(nodes)); - - this.nodes = []; - this.parent = null; - - this.destroy(); - - this._engine.branchDirty(parent); - - return parent; - } - } -}; - -/** Appends multiple child nodes - */ -SceneJS.Node.prototype.addNodes = function (nodes) { - - if (!nodes) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Node#addNodes - nodes argument is undefined"); - } - - var node; - var result = []; - - for (var i = nodes.length - 1; i >= 0; i--) { - - node = this.addNode(nodes[i]); - - result[i] = node; - - this._engine.branchDirty(node); // Schedule compilation of new node - } - - return result; -}; - -/** Appends a child node - */ -SceneJS.Node.prototype.addNode = function (node, ok) { - - if (!node) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Node#addNode - node argument is undefined"); - } - - if (!node._compile) { - if (typeof node == "string") { - var gotNode = this._engine.findNode(node); - if (!gotNode) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Node#addNode - node not found: '" + node + "'"); - } - node = gotNode; - } else { - var self = this; - return this._engine.createNode(node, - function (node) { - self.nodes.push(node); - node.parent = self; - self._engine.branchDirty(node); - if (ok) { - ok(node); - } - }); - } - } - - if (!node._compile) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Node#addNode - node argument is not a Node or subclass"); - } - - if (node.parent != null) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Node#addNode - node argument is still attached to another parent"); - } - - this.nodes.push(node); - node.parent = this; - this._engine.branchDirty(node); - return node; -}; - -/** Inserts a subgraph into child nodes - * @param {Node} node Child node - * @param {int} i Index for new child node - * @return {Node} The child node - */ -SceneJS.Node.prototype.insertNode = function (node, i) { - - if (!node) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "SceneJS.Node#insertNode - node argument is undefined"); - } - - if (!node._compile) { // JSON node definition - node = this._engine.createNode(node); // Create node - } - - if (!node._compile) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "SceneJS.Node#insertNode - node argument is not a SceneJS.Node"); - } - - if (node.parent != null) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "SceneJS.Node#insertNode - node argument is still attached to another parent"); - } - - if (i === undefined || i === null) { - node.addNodes(this.disconnectNodes()); - this.addNode(node); - - } else if (i < 0) { - - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "SceneJS.Node#insertNode - node index out of range: -1"); - - } else if (i >= this.nodes.length) { - this.nodes.push(node); - - } else { - this.nodes.splice(i, 0, node); - } - - node.parent = this; - return node; -}; - -/** Calls the given function on each node in the subgraph rooted by this node, including this node. - * The callback takes each node as it's sole argument and traversal stops as soon as the function returns - * true and returns the node. - * @param {function(Node)} func The function - */ -SceneJS.Node.prototype.mapNodes = function (func) { - if (func(this)) { - return this; - } - var result; - for (var i = 0; i < this.nodes.length; i++) { - result = this.nodes[i].mapNodes(func); - if (result) { - return result; - } - } - return null; -}; - -/** - * Registers a listener for a given event on this node. If the event type - * is not supported by this node type, then the listener will never be called. - *

Example: - * 


- * var node = new Node();
- *
- * node.addListener(
- *
- *              // eventName
- *              "some-event",
- *
- *              // handler
- *              function(node,      // Node we are listening to
- *                       params) {  // Whatever params accompany the event type
- *
- *                     // ...
- *              }
- * );
- *
- *
- *
- * - * @param {String} eventName One of the event types supported by this node - * @param {Function} fn - Handler function that be called as specified - * @param options - Optional options for the handler as specified - * @return {Node} this - */ -SceneJS.Node.prototype.addListener = function (eventName, fn, options) { - var list = this._listeners[eventName]; - if (!list) { - list = []; - this._listeners[eventName] = list; - } - list.push({ - eventName:eventName, - fn:fn, - options:options || {} - }); - this._numListeners++; - return this; -}; - -/** - * Fires an event at this node, immediately calling listeners registered for the event - */ -SceneJS.Node.prototype._fireEvent = function (eventName, params, options) { - var list = this._listeners[eventName]; - if (list) { - if (!params) { - params = {}; - } - var event = { - name:eventName, - params:params, - options:options || {} - }; - var listener; - for (var i = 0, len = list.length; i < len; i++) { - listener = list[i]; - if (listener.options.scope) { - listener.fn.call(listener.options.scope, event); - } else { - listener.fn.call(this, event); - } - } - } -}; - -/** - * Removes a handler that is registered for the given event on this node. - * Does nothing if no such handler registered. - */ -SceneJS.Node.prototype.removeListener = function (eventName, fn) { - var list = this._listeners[eventName]; - if (!list) { - return null; - } - for (var i = 0; i < list.length; i++) { - if (list[i].fn == fn) { - list.splice(i, 1); - return fn; - } - } - this._numListeners--; - return null; -}; - -/** - * Returns true if this node has any listeners for the given event - */ -SceneJS.Node.prototype.hasListener = function (eventName) { - return this._listeners[eventName]; -}; - -/** - * Returns true if this node has any listeners at all. - */ -SceneJS.Node.prototype.hasListeners = function () { - return (this._numListeners > 0); -}; - -/** Removes all listeners registered on this node. - */ -SceneJS.Node.prototype.removeListeners = function () { - this._listeners = {}; - this._numListeners = 0; - return this; -}; - -/** Returns the parent node - */ -SceneJS.Node.prototype.getParent = function () { - return this.parent; -}; - -/** - * Iterates over parent nodes on the path from the selected node to the root, executing a function - * for each. - * If the function returns true at any node, then traversal stops and a selector is - * returned for that node. - * @param {Function(node, index)} fn Function to execute on each instance node - * @return {Object} Selector for selected node, if any - */ -SceneJS.Node.prototype.eachParent = function (fn) { - - if (!fn) { - throw "SceneJS.Node.eachParent param 'fn' is null or undefined"; - } - - var count = 0; - var node = this; - - while (node.parent) { - if (fn.call(node.parent, count++) === true) { - return node.parent; - } - node = node.parent; - } - - return null; -}; - -/** Returns true if a child node matching given ID or index exists on this node - * @param {Number|String} node Child node index or ID - */ -SceneJS.Node.prototype.hasNode = function (node) { - - if (node === null || node === undefined) { - throw "SceneJS.Node.hasNode param 'node' is null or undefined"; - } - - var type = typeof node; - var nodeGot; - - if (type == "number") { - nodeGot = this.getNodeAt(node); - - } else if (type == "string") { - nodeGot = this.getNode(node); - - } else { - throw "SceneJS.Node.hasNode param 'node' should be either an index number or an ID string"; - } - - return (nodeGot != undefined && nodeGot != null); -}; - -/** Selects a child node matching given ID or index - * @param {Number|String} node Child node index or ID - */ -SceneJS.Node.prototype.node = function (node) { - - if (node === null || node === undefined) { - throw "SceneJS.Node.node param 'node' is null or undefined"; - } - - var type = typeof node; - var nodeGot; - - if (type == "number") { - nodeGot = this.getNodeAt(node); - - } else if (type == "string") { - nodeGot = this.getNode(node); - - } else { - throw "SceneJS.Node.node param 'node' should be either an index number or an ID string"; - } - - if (!nodeGot) { - throw "SceneJS.Node.node - node not found: '" + node + "'"; - } - - return nodeGot; -}; - -/** - * Iterates over sub-nodes of the selected node, executing a function - * for each. With the optional options object we can configure is depth-first or breadth-first order. - * If neither, then only the child nodes are iterated. - * If the function returns true at any node, then traversal stops and a selector is - * returned for that node. - * @param {Function(index, node)} fn Function to execute on each child node - * @return {Object} Selector for selected node, if any - */ -SceneJS.Node.prototype.eachNode = function (fn, options) { - - if (!fn) { - throw "SceneJS.Node.eachNode param 'fn' is null or undefined"; - } - - if (typeof fn != "function") { - throw "SceneJS.Node.eachNode param 'fn' should be a function"; - } - - var stoppedNode; - options = options || {}; - var count = 0; - - if (options.andSelf) { - if (fn.call(this, count++) === true) { - return this; - } - } - - if (!options.depthFirst && !options.breadthFirst) { - stoppedNode = this._iterateEachNode(fn, this, count); - - } else if (options.depthFirst) { - stoppedNode = this._iterateEachNodeDepthFirst(fn, this, count, false); // Not below root yet - - } else { - // TODO: breadth-first - } - - if (stoppedNode) { - return stoppedNode; - } - - return undefined; // IDE happy now -}; - -SceneJS.Node.prototype.numNodes = function () { - return this.nodes.length; -}; - -SceneJS.Node.prototype._iterateEachNode = function (fn, node, count) { - - var len = node.nodes.length; - var child; - - for (var i = 0; i < len; i++) { - child = node.nodes[i]; - - if (fn.call(child, count++) === true) { - return child; - } - } - - return null; -}; - -SceneJS.Node.prototype._iterateEachNodeDepthFirst = function (fn, node, count, belowRoot) { - - if (belowRoot) { - - /* Visit this node - if we are below root, because entry point visits the root - */ - if (fn.call(node, count++) === true) { - return node; - } - } - - belowRoot = true; - - /* Iterate nodes - */ - var len = node.nodes.length; - var child; - for (var i = 0; i < len; i++) { - child = this._iterateEachNodeDepthFirst(fn, node.nodes[i], count, belowRoot); - if (child) { - return child; - } - } - - return null; -}; - -/** Returns either all child or all sub-nodes of the given type, depending on whether search is recursive or not. - */ -SceneJS.Node.prototype.findNodesByType = function (type, recursive) { - return this._findNodesByType(type, [], recursive); -}; - -SceneJS.Node.prototype._findNodesByType = function (type, list, recursive) { - var i; - for (i = 0; i < this.nodes; i++) { - var node = this.nodes[i]; - if (node.type == type) { - list.add(node); - } - } - if (recursive) { - for (i = 0; i < this.nodes; i++) { - this.nodes[i]._findNodesByType(type, list, recursive); - } - } - return list; -}; - -/** Finds the first node on path up to root whose type equals that given - */ -SceneJS.Node.prototype.findParentByType = function (type) { - var parent = this.parent; - while (parent && parent.type != type) { - parent = parent.parent; - } - return parent; -}; - - -/** - * Given a map of name-value pairs, calls a getter method for each name, - * feeding into it the corresponding value. - * - * @param attr - * @param value - * @return {*} - */ -SceneJS.Node.prototype.set = function (attr, value) { - - if (typeof attr == "object") { // Attribute map - recurse for each attribute - for (var subAttr in attr) { - if (attr.hasOwnProperty(subAttr)) { - this.set(subAttr, attr[subAttr]); - } - } - return; - } - - if (this._set) { - var method = this._set[attr]; - if (method) { - return method.call(this, value); - } - } - - return this._createAccessor("set", attr, value); -}; - -SceneJS.Node.prototype.get = function (attr) { - - if (this._get) { - var method = this._get[attr]; - if (method) { - return method.call(this); - } - } - - return this._createAccessor("get", attr); -}; - -SceneJS.Node.prototype.add = function (attr, value) { - - if (typeof attr == "object") { // Attribute map - recurse for each attribute - for (var subAttr in attr) { - if (attr.hasOwnProperty(subAttr)) { - this.add(subAttr, attr[subAttr]); - } - } - return; - } - - if (this._add) { - var method = this._add[attr]; - if (method) { - return method.call(this, value); - } - } - - return this._createAccessor("add", attr, value); -}; - -SceneJS.Node.prototype.inc = function (attr, value) { - - if (typeof attr == "object") { // Attribute map - recurse for each attribute - for (var subAttr in attr) { - if (attr.hasOwnProperty(subAttr)) { - this.inc(subAttr, attr[subAttr]); - } - } - return; - } - - if (this._inc) { - var method = this._inc[attr]; - if (method) { - return method.call(this, value); - } - } - - return this._createAccessor("inc", attr, value); -}; - -SceneJS.Node.prototype.insert = function (attr, value) { - - if (typeof attr == "object") { // Attribute map - recurse for each attribute - for (var subAttr in attr) { - if (attr.hasOwnProperty(subAttr)) { - this.insert(subAttr, attr[subAttr]); - } - } - return; - } - - if (this._set) { - var method = this._set[attr]; - if (method) { - return method.call(this, value); - } - } - - return this._createAccessor("insert", attr, value); -}; - -SceneJS.Node.prototype.remove = function (attr, value) { - - if (typeof attr == "object") { // Attribute map - recurse for each attribute - for (var subAttr in attr) { - if (attr.hasOwnProperty(subAttr)) { - this.remove(subAttr, attr[subAttr]); - } - } - return; - } - - if (this._remove) { - var method = this._remove[attr]; - if (method) { - return method.call(this, value); - } - } - - return this._createAccessor("remove", attr, value); -}; - -SceneJS.Node.prototype._createAccessor = function (op, attr, value) { - - var methodName = op + attr.substr(0, 1).toUpperCase() + attr.substr(1); - - var method = this[methodName]; - - if (!method) { - throw "Method not found on node: '" + methodName + "'"; - } - - //var proto = (this.type == "node") ? SceneJS.Node.prototype : this._engine.nodeTypes[this.type].prototype; - - var proto = this.__proto__; - - var accessors; - switch (op) { - case "set": - accessors = (proto._set || (proto._set = {})); - break; - - case "get": - accessors = (proto._get || (proto._get = {})); - break; - - case "inc": - accessors = (proto._inc || (proto._inc = {})); - break; - - case "add": - accessors = (proto._add || (proto._add = {})); - break; - - case "insert": - accessors = (proto._insert || (proto._insert = {})); - break; - - case "remove": - accessors = (proto._remove || (proto._remove = {})); - break; - } - - accessors[attr] = method; - - return method.call(this, value); // value can be undefined -}; - -/** Binds a listener to an event on the selected node - * - * @param {String} name Event name - * @param {Function} handler Event handler - */ -SceneJS.Node.prototype.bind = function (name, handler) { - - if (!name) { - throw "SceneJS.Node.bind param 'name' null or undefined"; - } - - if (typeof name != "string") { - throw "SceneJS.Node.bind param 'name' should be a string"; - } - - if (!handler) { - throw "SceneJS.Node.bind param 'handler' null or undefined"; - } - - if (typeof handler != "function") { - throw "SceneJS.Node.bind param 'handler' should be a function"; - } - - this.addListener(name, handler, { scope:this }); - - this._engine.branchDirty(this); - - return handler; -}; - -/** - * Alias for #bind - * @param type - * @param callback - * @return {*|String} - */ -//SceneJS.Node.prototype.on = SceneJS.Node.prototype.bind; -// -///** Unbinds a listener for an event on the selected node -// * -// * @param {String} name Event name -// * @param {Function} handler Event handler -// */ -//SceneJS.Node.prototype.unbind = function (name, handler) { -// if (!name) { -// throw "SceneJS.Node.bind param 'name' null or undefined"; -// } -// if (typeof name != "string") { -// throw "SceneJS.Node.bind param 'name' should be a string"; -// } -// if (!handler) { -// throw "SceneJS.Node.bind param 'handler' null or undefined"; -// } -// if (typeof handler != "function") { -// throw "SceneJS.Node.bind param 'handler' should be a function"; -// } -// -// this.removeListener(name, handler); -// -// this._engine.branchDirty(this); -//}; -// -///** -// * Alias for #unbind -// * @param type -// * @param callback -// * @return {*|String} -// */ -//SceneJS.Node.prototype.off = SceneJS.Node.prototype.unbind; -// -///** -// * Subscribe to one occurrence of an event. This is equivalent to calling #off in the -// * callback given to #on. -// */ -//SceneJS.Node.prototype.once = function (type, callback) { -// var self = this; -// var handle = this.on(type, -// function (params) { -// self._engine.events.unEvent(handle); -// callback(params); -// }); -//}; - -/** - * Returns an object containing the attributes that were given when creating the node. Obviously, the map will have - * the current values, plus any attributes that were later added through set/add methods on the node - * - */ -SceneJS.Node.prototype.getJSON = function () { - return this; -}; - - -SceneJS.Node.prototype._compile = function () { - this._compileNodes(); -}; - -SceneJS.Node.prototype._compileNodes = function () { - - var renderListeners = this._listeners["rendered"]; - - if (renderListeners) { - SceneJS_nodeEventsModule.preVisitNode(this); - } - - var child; - - for (var i = 0, len = this.nodes.length; i < len; i++) { - - child = this.nodes[i]; - - child.branchDirty = child.branchDirty || this.branchDirty; // Compile subnodes if scene branch dirty - - if (child.dirty || child.branchDirty || this._engine.sceneDirty) { // Compile nodes that are flagged dirty - - child._compile(); - - child.dirty = false; - child.branchDirty = false; - } - } - - if (renderListeners) { - SceneJS_nodeEventsModule.postVisitNode(this); - } -}; - - -/** - * Destroys this node. It is marked for destruction; when the next scene traversal begins (or the current one ends) - * it will be destroyed and removed from it's parent. - */ -SceneJS.Node.prototype.destroy = function () { - - if (!this.destroyed) { - - if (this.parent) { - - /* Remove from parent's child node list - */ - for (var i = 0; i < this.nodes.length; i++) { - if (this.parent.nodes[i].id === this.id) { - this.parent.nodes.splice(i, 1); - break; - } - } - } - - /* Recusrsively destroy child nodes without - * bothering to remove them from their parents - */ - this._destroyTree(); - - /* Need object list recompilation on display - */ - this._engine.display.objectListDirty = true; - } - - return this; -}; - -SceneJS.Node.prototype._destroyTree = function () { - - this.destroyed = true; - - this._engine.destroyNode(this); // Release node object - - for (var i = 0, len = this.nodes.length; i < len; i++) { - this.nodes[i]._destroyTree(); - } -}; - -/** - * Performs the actual destruction of this node, calling the node's optional template destroy method - */ -SceneJS.Node.prototype._doDestroy = function () { - - if (this._destroy) { // Call destruction handler for each node subclass - this._destroy(); - } - - return this; -};/** - * @class Manages creation, recycle and destruction of {@link SceneJS.Node} instances - * @private - */ -var SceneJS_NodeFactory = function () { - - // Nodes created by this factory - this.nodes = new SceneJS_Map({}); - - // Subscribers waiting for node types - this._subs = {}; -}; - -/** - * Scene graph node classes provided by the SceneJS_NodeFactory class - * - * @type {[SceneJS.Node]} - */ -SceneJS_NodeFactory.nodeTypes = {}; // Supported node classes, installed by #createNodeType - -/** - * Creates a node class for instantiation by this factory - * - * @param {String} typeName Name of type, eg. "rotate" - * @param {String} coreTypeName Optional name of core type for the node, eg. "xform" - defaults to type name of node - * @returns The new node class - */ -SceneJS_NodeFactory.createNodeType = function (typeName, coreTypeName) { - if (SceneJS_NodeFactory.nodeTypes[typeName]) { - throw "Node type already defined: " + typeName; - } - var nodeType = function () { // Create the class - SceneJS.Node.apply(this, arguments); - this.type = typeName; - }; - nodeType.prototype = new SceneJS.Node(); // Inherit from base class - nodeType.prototype.constructor = nodeType; - SceneJS_NodeFactory.nodeTypes[typeName] = nodeType; - return nodeType; -}; - -/** - * - */ -SceneJS_NodeFactory.prototype.getNode = function (engine, json, core, ok) { - json.type = json.type || "node"; // Nodes are SceneJS.Node type by default - var nodeType; - if (json.type == "node") { - nodeType = SceneJS.Node; - } else { - nodeType = SceneJS_NodeFactory.nodeTypes[json.type]; - } - if (nodeType) { - return this._createNode(nodeType, engine, json, core, ok); - } else { - var self = this; - this._getType(json.type, - function (nodeType) { - self._createNode(nodeType, engine, json, core, ok); - }); - } -}; - -SceneJS_NodeFactory.prototype._createNode = function (nodeType, engine, json, core, ok) { - var node = new nodeType(); - var id = json.id || json.nodeId; // 'id' and 'nodeId' are aliases - if (id) { - this.nodes.addItem(id, node); - } else { - id = this.nodes.addItem(node); - } - node._construct(engine, core, json, id); // Instantiate node - if (ok) { - ok(node); - } - return node; -}; - -/** - * Returns installed type of given type and ID - */ -SceneJS_NodeFactory.prototype._getType = function (typeName, ok) { - var type = SceneJS_NodeFactory.nodeTypes[typeName]; - if (type) { - ok(type); - return; - } - var subs = this._subs[typeName] || (this._subs[typeName] = []); - subs.push(ok); - if (subs.length > 1) { // Not first sub - return; - } - var self = this; - var typePath = SceneJS_debugModule.configs.pluginPath; - if (!typePath) { - throw "no typePath config"; // Build script error - should create this config - } - this._loadScript(typePath + "/node/" + typeName + ".js", - function () { - var type = SceneJS_NodeFactory.nodeTypes[typeName]; // Type has installed itself - if (!type) { - throw "Node type plugin did not install itself correctly"; - } - while (subs.length > 0) { - subs.pop()(type); - } - delete subs[typeName]; - }); -}; - -SceneJS_NodeFactory.prototype._loadScript = function (url, ok) { - var script = document.createElement("script"); - script.type = "text/javascript"; - if (script.readyState) { //IE - script.onreadystatechange = function () { - if (script.readyState == "loaded" || - script.readyState == "complete") { - script.onreadystatechange = null; - ok(); - } - }; - } else { //Others - script.onload = function () { - ok(); - }; - } - script.src = url; - document.getElementsByTagName("head")[0].appendChild(script); -}; - -/** - * Releases a node back to this factory - */ -SceneJS_NodeFactory.prototype.putNode = function (node) { - this.nodes.removeItem(node.id); -}; -(function () { - - // The default state core singleton for {@link SceneJS.Camera} nodes - var defaultCore = { - - type:"camera", - - stateId:SceneJS._baseStateId++, - - // Default perspective projection matrix - mat:SceneJS_math_perspectiveMatrix4( - 45, // fovy - 1, // aspect - 0.1, // near - 5000), // far - - //Default optical attributes for perspective projection - optics:{ - type:"perspective", - fovy:45.0, - aspect:1.0, - near:0.1, - far:5000.0 - } - }; - - var coreStack = []; - var stackLen = 0; - - // Set default core on the display at the start of each new scene compilation - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function (params) { - params.engine.display.projTransform = defaultCore; - stackLen = 0; - }); - - /** - * @class Scene graph node which defines the projection transform to apply to the {@link SceneJS.Geometry} nodes in its subgraph - * @extends SceneJS.Node - */ - SceneJS.Camera = SceneJS_NodeFactory.createNodeType("camera"); - - SceneJS.Camera.prototype._init = function (params) { - if (this._core.useCount == 1) { - this.setOptics(params.optics); // Can be undefined - } - }; - - SceneJS.Camera.prototype.setOptics = function (optics) { - var core = this._core; - if (!optics) { - core.optics = { - type:type, - fovy:60.0, - aspect:1.0, - near:0.1, - far:5000.0 - }; - } else { - var type = optics.type || core.optics.type; - if (type == "ortho") { - core.optics = SceneJS._applyIf(SceneJS_math_ORTHO_OBJ, { - type:type, - left:optics.left, - bottom:optics.bottom, - near:optics.near, - right:optics.right, - top:optics.top, - far:optics.far - }); - } else if (type == "frustum") { - core.optics = { - type:type, - left:optics.left || -1.0, - bottom:optics.bottom || -1.0, - near:optics.near || 0.1, - right:optics.right || 1.00, - top:optics.top || 1.0, - far:optics.far || 5000.0 - }; - } else if (type == "perspective") { - core.optics = { - type:type, - fovy:optics.fovy || 60.0, - aspect:optics.aspect == undefined ? 1.0 : optics.aspect, - near:optics.near || 0.1, - far:optics.far || 5000.0 - }; - } else if (!optics.type) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "SceneJS.Camera configuration invalid: optics type not specified - " + - "supported types are 'perspective', 'frustum' and 'ortho'"); - } else { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "SceneJS.Camera configuration invalid: optics type not supported - " + - "supported types are 'perspective', 'frustum' and 'ortho'"); - } - } - this._rebuild(); - this._engine.display.imageDirty = true; - }; - - SceneJS.Camera.prototype._rebuild = function () { - var optics = this._core.optics; - if (optics.type == "ortho") { - this._core.matrix = SceneJS_math_orthoMat4c( - optics.left, - optics.right, - optics.bottom, - optics.top, - optics.near, - optics.far); - - } else if (optics.type == "frustum") { - this._core.matrix = SceneJS_math_frustumMatrix4( - optics.left, - optics.right, - optics.bottom, - optics.top, - optics.near, - optics.far); - - } else if (optics.type == "perspective") { - this._core.matrix = SceneJS_math_perspectiveMatrix4( - optics.fovy * Math.PI / 180.0, - optics.aspect, - optics.near, - optics.far); - } - if (!this._core.mat) { - this._core.mat = new Float32Array(this._core.matrix); - } else { - this._core.mat.set(this._core.matrix); - } - }; - - SceneJS.Camera.prototype.getOptics = function () { - var optics = {}; - for (var key in this._core.optics) { - if (this._core.optics.hasOwnProperty(key)) { - optics[key] = this._core.optics[key]; - } - } - return optics; - }; - - SceneJS.Camera.prototype.getMatrix = function () { - return this._core.matrix.slice(0); - }; - - /** - * Compiles this camera node, setting this node's state core on the display, compiling sub-nodes, - * then restoring the previous camera state core back onto the display on exit. - */ - SceneJS.Camera.prototype._compile = function () { - this._engine.display.projTransform = coreStack[stackLen++] = this._core; - this._compileNodes(); - this._engine.display.projTransform = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; -})();(function() { - - /** - * The default state core singleton for {@link SceneJS.Clips} nodes - */ - var defaultCore = { - type: "clips", - stateId: SceneJS._baseStateId++, - empty: true, - hash: "", - clips : [] - }; - - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function(params) { - params.engine.display.clips = defaultCore; - stackLen = 0; - }); - - /** - * @class Scene graph node which defines one or more arbitrarily-aligned clip planes to clip the {@link SceneJS.Geometry} nodes in its subgraph - * @extends SceneJS.Node - */ - SceneJS.Clips = SceneJS_NodeFactory.createNodeType("clips"); - - SceneJS.Clips.prototype._init = function(params) { - - if (this._core.useCount == 1) { // This node defines the resource - - var clips = params.clips; - - if (!clips) { - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_CONFIG_EXPECTED, - "clips node attribute missing : 'clips'"); - } - - this._core.clips = this._core.clips || []; - - for (var i = 0, len = clips.length; i < len; i++) { - this._setClip(i, clips[i]); - } - } - }; - - SceneJS.Clips.prototype.setClips = function(clips) { - var indexNum; - for (var index in clips) { - if (clips.hasOwnProperty(index)) { - if (index != undefined || index != null) { - indexNum = parseInt(index); - if (indexNum < 0 || indexNum >= this._core.clips.length) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Invalid argument to set 'clips': index out of range (" + this._core.clips.length + " clips defined)"); - } - this._setClip(indexNum, clips[index] || {}); - } - } - } - this._engine.display.imageDirty = true; - }; - - SceneJS.Clips.prototype._setClip = function(index, cfg) { - - var clip = this._core.clips[index] || (this._core.clips[index] = {}); - - clip.normalAndDist = [cfg.x || 0, cfg.y || 0, cfg.z || 0, cfg.dist || 0]; - - var mode = cfg.mode || clip.mode || "disabled"; - - if (mode != "inside" && mode != "outside" && mode != "disabled") { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "clips node invalid value for property 'mode': should be 'inside' or 'outside' or 'disabled'"); - } - clip.mode = mode; - - this._core.hash = null; - }; - - SceneJS.Clips.prototype._compile = function() { - - if (!this._core.hash) { - this._core.hash = this._core.clips.length; - } - - this._engine.display.clips = coreStack[stackLen++] = this._core; - this._compileNodes(); - this._engine.display.clips = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; - - -})();(function() { - - /** - * The default state core singleton for {@link SceneJS.Flags} nodes - */ - var defaultCore = { - - stateId: SceneJS._baseStateId++, - type: "flags", - - picking : true, // Picking enabled - clipping : true, // User-defined clipping enabled - enabled : true, // Node not culled from traversal - transparent: false, // Node transparent - works in conjunction with matarial alpha properties - backfaces: true, // Show backfaces - frontface: "ccw", // Default vertex winding for front face - backfaceLighting: true, // Shading enabled for backfaces - backfaceTexturing: true, // Texturing enabled for backfaces - diffuse: true, // Diffuse lighting enabled - specular: true, // Specular lighting enabled - ambient: true // Ambient lighting enabled - }; - - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function(params) { - params.engine.display.flags = defaultCore; - stackLen = 0; - }); - - /** - * @class Scene graph node which sets rendering mode flags for its subgraph - * @extends SceneJS.Node - */ - SceneJS.Flags = SceneJS_NodeFactory.createNodeType("flags"); - - SceneJS.Flags.prototype._init = function(params) { - - if (this._core.useCount == 1) { // This node is first to reference the state core, so sets it up - - this._core.picking = true; // Picking enabled - this._core.clipping = true; // User-defined clipping enabled - this._core.enabled = true; // Node not culled from traversal - this._core.transparent = false; // Node transparent - works in conjunction with matarial alpha properties - this._core.backfaces = true; // Show backfaces - this._core.frontface = "ccw"; // Default vertex winding for front face - this._core.backfaceLighting = true; // Shading enabled for backfaces - this._core.backfaceTexturing = true; // Texturing enabled for backfaces - this._core.diffuse = true; // Diffuse lighting enabled by default - this._core.specular = true; // Specular lighting enabled by default - this._core.ambient = true; // Ambient lighting enabled by default - - if (params.flags) { // 'flags' property is actually optional in the node definition - this.setFlags(params.flags); - } - } - }; - - SceneJS.Flags.prototype.setFlags = function(flags) { - - var core = this._core; - - if (flags.picking != undefined) { - core.picking = !!flags.picking; - this._engine.display.drawListDirty = true; - } - - if (flags.clipping != undefined) { - core.clipping = !!flags.clipping; - this._engine.display.imageDirty = true; - } - - if (flags.enabled != undefined) { - core.enabled = !!flags.enabled; - this._engine.display.drawListDirty = true; - } - - if (flags.transparent != undefined) { - core.transparent = !!flags.transparent; - this._engine.display.drawListDirty = true; - } - - if (flags.backfaces != undefined) { - core.backfaces = !!flags.backfaces; - this._engine.display.imageDirty = true; - } - - if (flags.frontface != undefined) { - core.frontface = flags.frontface; - this._engine.display.imageDirty = true; - } - - if (flags.backfaceLighting != undefined) { - core.backfaceLighting = !!flags.backfaceLighting; - this._engine.display.imageDirty = true; - } - - if (flags.backfaceTexturing != undefined) { - core.backfaceTexturing = !!flags.backfaceTexturing; - this._engine.display.imageDirty = true; - } - - if (flags.diffuse != undefined) { - core.diffuse = !!flags.diffuse; - this._engine.display.imageDirty = true; - } - - if (flags.specular != undefined) { - core.specular = !!flags.specular; - this._engine.display.imageDirty = true; - } - - if (flags.ambient != undefined) { - core.ambient = !!flags.ambient; - this._engine.display.imageDirty = true; - } - - return this; - }; - - SceneJS.Flags.prototype.addFlags = function(flags) { - return this.setFlags(flags); - // var core = this._core; - // if (flags.picking != undefined) core.picking = flags.picking; - // if (flags.clipping != undefined) core.clipping = flags.clipping; - // if (flags.enabled != undefined) core.enabled = flags.enabled; - // if (flags.transparent != undefined) core.transparent = flags.transparent; - // if (flags.backfaces != undefined) core.backfaces = flags.backfaces; - // if (flags.frontface != undefined) core.frontface = flags.frontface; - // if (flags.backfaceLighting != undefined) core.backfaceLighting = flags.backfaceLighting; - // if (flags.backfaceTexturing != undefined) core.backfaceTexturing = flags.backfaceTexturing; - // return this; - }; - - SceneJS.Flags.prototype.getFlags = function() { - var core = this._core; - return { - picking : core.picking, - clipping : core.clipping, - enabled : core.enabled, - transparent: core.transparent, - backfaces: core.backfaces, - frontface: core.frontface, - diffuse: core.diffuse, - specular: core.specular, - ambient: core.ambient, - backfaceLighting: core.backfaceLighting, - backfaceTexturing: core.backfaceTexturing - }; - }; - - SceneJS.Flags.prototype.setPicking = function(picking) { - picking = !!picking; - if (this._core.picking != picking) { - this._core.picking = picking; - this._engine.display.drawListDirty = true; - } - return this; - }; - - SceneJS.Flags.prototype.getPicking = function() { - return this._core.picking; - }; - - SceneJS.Flags.prototype.setClipping = function(clipping) { - clipping = !!clipping; - if (this._core.clipping != clipping) { - this._core.clipping = clipping; - this._engine.display.imageDirty = true; - } - return this; - }; - - SceneJS.Flags.prototype.getClipping = function() { - return this._core.clipping; - }; - - SceneJS.Flags.prototype.setEnabled = function(enabled) { - enabled = !!enabled; - if (this._core.enabled != enabled) { - this._core.enabled = enabled; - this._engine.display.drawListDirty = true; - } - return this; - }; - - SceneJS.Flags.prototype.getEnabled = function() { - return this._core.enabled; - }; - - SceneJS.Flags.prototype.setTransparent = function(transparent) { - transparent = !!transparent; - if (this._core.transparent != transparent) { - this._core.transparent = transparent; - this._engine.display.drawListDirty = true; - } - return this; - }; - - SceneJS.Flags.prototype.getTransparent = function() { - return this._core.transparent; - }; - - SceneJS.Flags.prototype.setBackfaces = function(backfaces) { - backfaces = !!backfaces; - if (this._core.backfaces != backfaces) { - this._core.backfaces = backfaces; - this._engine.display.imageDirty = true; - } - return this; - }; - - SceneJS.Flags.prototype.getBackfaces = function() { - return this._core.backfaces; - }; - - SceneJS.Flags.prototype.setFrontface = function(frontface) { - if (this._core.frontface != frontface) { - this._core.frontface = frontface; - this._engine.display.imageDirty = true; - } - return this; - }; - - SceneJS.Flags.prototype.getFrontface = function() { - return this._core.frontface; - }; - - SceneJS.Flags.prototype.setBackfaceLighting = function(backfaceLighting) { - backfaceLighting = !!backfaceLighting; - if (this._core.backfaceLighting != backfaceLighting) { - this._core.backfaceLighting = backfaceLighting; - this._engine.display.imageDirty = true; - } - return this; - }; - - SceneJS.Flags.prototype.getBackfaceLighting = function() { - return this._core.backfaceLighting; - }; - - SceneJS.Flags.prototype.setBackfaceTexturing = function(backfaceTexturing) { - backfaceTexturing = !!backfaceTexturing; - if (this._core.backfaceTexturing != backfaceTexturing) { - this._core.backfaceTexturing = backfaceTexturing; - this._engine.display.imageDirty = true; - } - return this; - }; - - SceneJS.Flags.prototype.getBackfaceTexturing = function() { - return this._core.backfaceTexturing; - }; - - SceneJS.Flags.prototype.setDiffuse = function(diffuse) { - diffuse = !!diffuse; - if (this._core.diffuse != diffuse) { - this._core.diffuse = diffuse; - this._engine.display.imageDirty = true; - } - return this; - }; - - SceneJS.Flags.prototype.getDiffuse = function() { - return this._core.diffuse; - }; - - SceneJS.Flags.prototype.setSpecular = function(specular) { - specular = !!specular; - if (this._core.specular != specular) { - this._core.specular = specular; - this._engine.display.imageDirty = true; - } - return this; - }; - - SceneJS.Flags.prototype.getSpecular = function() { - return this._core.specular; - }; - - SceneJS.Flags.prototype.setAmbient = function(ambient) { - ambient = !!ambient; - if (this._core.ambient != ambient) { - this._core.ambient = ambient; - this._engine.display.imageDirty = true; - } - return this; - }; - - SceneJS.Flags.prototype.getAmbient = function() { - return this._core.ambient; - }; - - SceneJS.Flags.prototype.setAmbient = function(ambient) { - ambient = !!ambient; - if (this._core.ambient != ambient) { - this._core.ambient = ambient; - this._engine.display.imageDirty = true; - } - return this; - }; - - SceneJS.Flags.prototype.getAmbient = function() { - return this._core.ambient; - }; - - SceneJS.Flags.prototype._compile = function() { - this._engine.display.flags = coreStack[stackLen++] = this._core; - this._compileNodes(); - this._engine.display.flags = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; - -})();new (function() { - - /** - * The default state core singleton for {@link SceneJS.Framebuf} nodes - */ - var defaultCore = { - - type: "framebuf", - stateId: SceneJS._baseStateId++, - empty: true, - - framebuf: null - }; - - var nodeCoreMap = {}; // Map of framebuf nodes to cores, for reallocation on WebGL context restore - - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function(params) { - params.engine.display.framebuf = defaultCore; - stackLen = 0; - }); - - SceneJS_events.addListener(// Reallocate VBOs when context restored after loss - SceneJS_events.WEBGL_CONTEXT_RESTORED, - function() { - - var node; - - for (var nodeId in nodeCoreMap) { - if (nodeCoreMap.hasOwnProperty(nodeId)) { - - node = nodeCoreMap[nodeId]; - - if (!node._core._loading) { - node._buildNodeCore(); - } - } - } - }); - - SceneJS_events.addListener( - SceneJS_events.SCENE_DESTROYED, - function(params) { - // sceneBufs[params.sceneId] = null; - }); - - /** - * @class Scene graph node which sets up a frame buffer to which the {@link SceneJS.Geometry} nodes in its subgraph will be rendered. - * The frame buffer may be referenced as an image source by successive {@link SceneJS.Texture} nodes. - * @extends SceneJS.Node - */ - SceneJS.Framebuf = SceneJS_NodeFactory.createNodeType("framebuf"); - - SceneJS.Framebuf.prototype._init = function() { - - nodeCoreMap[this._core.coreId] = this; // Register for core rebuild on WEBGL_CONTEXT_RESTORED - - this._buildNodeCore(); - }; - - SceneJS.Framebuf.prototype._buildNodeCore = function() { - - var canvas = this._engine.canvas; - var gl = canvas.gl; - var width = canvas.canvas.width; - var height = canvas.canvas.height; - - var framebuf = gl.createFramebuffer(); - var renderbuf = gl.createRenderbuffer(); - var texture = gl.createTexture() ; - - var rendered = false; - - if (!this._core) { - this._core = {}; - } - - gl.bindFramebuffer(gl.FRAMEBUFFER, framebuf); - - gl.bindTexture(gl.TEXTURE_2D, texture); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); - - try { - // Do it the way the spec requires - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); - } catch (exception) { - // Workaround for what appears to be a Minefield bug. - var textureStorage = new WebGLUnsignedByteArray(width * height * 4); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, textureStorage); - } - gl.bindRenderbuffer(gl.RENDERBUFFER, renderbuf); - gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, width, height); - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0); - gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, renderbuf); - gl.bindTexture(gl.TEXTURE_2D, null); - gl.bindRenderbuffer(gl.RENDERBUFFER, null); - gl.bindFramebuffer(gl.FRAMEBUFFER, null); - - /* Verify framebuffer is OK - */ - gl.bindFramebuffer(gl.FRAMEBUFFER, framebuf); - - if (!gl.isFramebuffer(framebuf)) { - throw SceneJS_error.fatalError("Invalid framebuffer"); - } - - var status = gl.checkFramebufferStatus(gl.FRAMEBUFFER); - - gl.bindRenderbuffer(gl.RENDERBUFFER, null); - gl.bindFramebuffer(gl.FRAMEBUFFER, null); - - switch (status) { - case gl.FRAMEBUFFER_COMPLETE: - break; - case gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT: - throw SceneJS_error.fatalError("Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT"); - case gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: - throw SceneJS_error.fatalError("Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT"); - case gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS: - throw SceneJS_error.fatalError("Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS"); - case gl.FRAMEBUFFER_UNSUPPORTED: - throw SceneJS_error.fatalError("Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED"); - default: - throw SceneJS_error.fatalError("Incomplete framebuffer: " + status); - } - - this._core.framebuf = { - - id: this.id, // TODO: maybe unused? - - /** Binds the image buffer as target for subsequent geometry renders - */ - bind: function() { - // gl.bindRenderbuffer(gl.RENDERBUFFER, renderbuf); - gl.bindFramebuffer(gl.FRAMEBUFFER, framebuf); - gl.clearColor(0.0, 0.0, 0.0, 1.0); - gl.clearDepth(1.0); - gl.enable(gl.DEPTH_TEST); - gl.disable(gl.CULL_FACE); - gl.depthRange(0, 1); - gl.disable(gl.SCISSOR_TEST); - // gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); - gl.disable(gl.BLEND); - }, - - /** Unbinds image buffer, the default buffer then becomes the rendering target - */ - unbind:function() { - gl.bindFramebuffer(gl.FRAMEBUFFER, null); - // gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); - gl.bindRenderbuffer(gl.RENDERBUFFER, renderbuf); - rendered = true; - }, - - /** Returns true if this texture has been rendered - */ - isRendered: function() { - return rendered; - }, - - /** Gets the texture from this image buffer - */ - getTexture: function() { - - return { - - bind: function(unit) { - gl.activeTexture(gl["TEXTURE" + unit]); - gl.bindTexture(gl.TEXTURE_2D, texture); - }, - - unbind : function(unit) { - gl.activeTexture(gl["TEXTURE" + unit]); - gl.bindTexture(gl.TEXTURE_2D, null); - } - }; - } - }; - }; - - SceneJS.Framebuf.prototype._compile = function() { - this._engine.display.framebuf = coreStack[stackLen++] = this._core; - this._compileNodes(); - this._engine.display.framebuf = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; - - SceneJS.Framebuf.prototype._destroy = function() { - if (this._core) { - //destroyFrameBuffer(this._buf); - } - }; - - -})();new (function () { - - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function () { - stackLen = 0; - }); - - /** - * @class Scene graph node that defines geometry. - * @extends SceneJS.Node - * When this node is at a leaf, it defines a scene object which inherits the state set up by all the nodes above it - * on the path up to the root. These nodes can be nested, so that child geometries inherit arrays - * defined by parent geometries. - */ - SceneJS.Geometry = SceneJS_NodeFactory.createNodeType("geometry"); - - SceneJS.Geometry.prototype._init = function (params) { - - if (this._core.useCount == 1) { // This node defines the core - - var options = { - origin:params.origin, - scale:params.scale - }; - - var self = this; - - this._sourceConfigs = null; - this._source = null; - - if (params.plugin) { - this._sourceConfigs = SceneJS._apply({ type:params.plugin }, params); - } else if (params.source) { - this._sourceConfigs = params.source; - } - - if (this._sourceConfigs) { - - /*--------------------------------------------------------------------------------------------------- - * Build node core (possibly asynchronously) using a factory object - *--------------------------------------------------------------------------------------------------*/ - - this._core._loading = true; - - if (!this._sourceConfigs.type) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "geometry config expected: source.type"); - } - - SceneJS.Plugins.getPlugin( - "geometry", - this._sourceConfigs.type, - function (plugin) { - - if (!plugin.getSource) { - throw SceneJS_error.fatalError( - SceneJS.errors.PLUGIN_INVALID, - "geometry: 'getSource' method missing on plugin for geometry source type '" + self._sourceConfigs.type + "'."); - } - - self._source = plugin.getSource(); - - if (!self._source.subscribe) { - throw SceneJS_error.fatalError( - SceneJS.errors.PLUGIN_INVALID, - "geometry: 'subscribe' method missing on plugin for geometry source type '" + self._sourceConfigs.type + "'"); - } - - var created = false; - - self._source.subscribe(// Get notification when source configurees the geometry - function (data) { // Data contains both typed arrays and primitive name - - if (!created) { - if (options) { // HACK - should apply this on GPU - data.positions = data.positions - ? new Float32Array((options.scale || options.origin) - ? self._applyOptions(data.positions, options) - : data.positions) : undefined; - } - self._initNodeCore(data); - SceneJS.Geometry._buildNodeCore(self._engine.canvas.gl, self._core); - self._core._loading = false; - self._fireEvent("loaded"); - self._engine.display.imageDirty = true; - self._engine.branchDirty(self); // TODO - created = true; - - } else { - - var core = self._core; - - if (data.positions && core.vertexBuf) { - -// if (data.positions.length > core.vertexBuf.length) { -// alert("too long"); -// } - - core.vertexBuf.bind(); - core.vertexBuf.setData(data.positions, data.positionsOffset || 0); - - if (data.positions.length > core.arrays.positions.length) { - core.arrays.positions = data.positions; - - } else { - core.arrays.positions.set(data.positions, data.positionsOffset || 0); - } - } - - if (data.normals && core.normalBuf) { - - core.normalBuf.bind(); - core.normalBuf.setData(data.normals, data.normalsOffset || 0); - - if (data.normals.length > core.arrays.normals.length) { - core.arrays.normals = data.normals; - - } else { - core.arrays.normals.set(data.normals, data.normalsOffset || 0); - } - } - - if (data.uv && core.uvBuf) { - - core.uvBuf.bind(); - core.uvBuf.setData(data.uv, data.uvOffset || 0); - - if (data.uv.length > core.arrays.uv.length) { - core.arrays.uv = data.uv; - - } else { - core.arrays.uv.set(data.uv, data.uvOffset || 0); - } - } - - if (data.uv2 && core.uvBuf2) { - - core.uvBuf2.bind(); - core.uvBuf2.setData(data.uv2, data.uv2Offset || 0); - - if (data.uv2.length > core.arrays.uv2.length) { - core.arrays.uv2 = data.uv2; - - } else { - core.arrays.uv2.set(data.uv2, data.uv2Offset || 0); - } - } - - if (data.colors && core.colorBuf) { - - if (data.colors.length > core.arrays.colors.length) { - core.arrays.colors = data.colors; - - } else { - core.arrays.colors.set(data.colors, data.colorsOffset || 0); - } - - core.colorBuf.bind(); - core.colorBuf.setData(data.colors, data.colorsOffset || 0); - } - - if (data.indices && core.indexBuf) { - - if (data.indices.length > core.arrays.indices.length) { - core.arrays.indices = data.indices; - - } else { - core.arrays.indices.set(data.indices, data.indicesOffset || 0); - } - - core.indexBuf.bind(); - core.indexBuf.setData(data.indices, data.indicesOffset || 0); - - for (var i = 0; i < data.indices.length; i++) { - var idx = data.indices[i]; - if (idx < 0 || idx >= core.arrays.positions.length) { - alert("out of range "); - } - if (core.arrays.normals && (idx < 0 || idx >= core.arrays.normals.length)) { - alert("out of range "); - } - if (core.arrays.uv && (idx < 0 || idx >= core.arrays.uv.length)) { - alert("out of range "); - } - if (core.arrays.uv2 && (idx < 0 || idx >= core.arrays.uv2.length)) { - alert("out of range "); - } - if (core.arrays.colors && (idx < 0 || idx >= core.arrays.colors.length)) { - alert("out of range "); - } - } - } - - self._engine.display.imageDirty = true; - } - } - ); - - self._fireEvent("loading"); - - if (self._source.configure) { - self._source.configure(self._sourceConfigs); - } - }); - - } else { - - // Build node core from JSON arrays and primitive name given in node properties - - this._initNodeCore(params, options); - - SceneJS.Geometry._buildNodeCore(this._engine.canvas.gl, this._core); - } - - this._core.webglRestored = function () { - SceneJS.Geometry._buildNodeCore(self._engine.canvas.gl, self._core); - }; - - } - }; - - /** - * Convert JSON arrays into typed arrays, - * apply optional baked Model-space transforms to positions - */ - SceneJS.Geometry.prototype._initNodeCore = function (data, options) { - - options = options || {}; - - this._core.primitive = this._getPrimitiveType(data.primitive || "triangles"); - - this._core.arrays = { - positions:data.positions - ? new Float32Array((options.scale || options.origin) - ? this._applyOptions(data.positions, options) - : data.positions) : undefined, - - normals:data.normals ? new Float32Array(data.normals) : undefined, - uv:data.uv ? new Float32Array(data.uv) : undefined, - uv2:data.uv2 ? new Float32Array(data.uv2) : undefined, - colors:data.colors ? new Float32Array(data.colors) : undefined, - indices:data.indices ? new Uint16Array(data.indices) : undefined - }; - }; - - /** - * Returns WebGL constant for primitive name - */ - SceneJS.Geometry.prototype._getPrimitiveType = function (primitive) { - - var gl = this._engine.canvas.gl; - - switch (primitive) { - - case "points": - return gl.POINTS; - - case "lines": - return gl.LINES; - - case "line-loop": - return gl.LINE_LOOP; - - case "line-strip": - return gl.LINE_STRIP; - - case "triangles": - return gl.TRIANGLES; - - case "triangle-strip": - return gl.TRIANGLE_STRIP; - - case "triangle-fan": - return gl.TRIANGLE_FAN; - - default: - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "geometry primitive unsupported: '" + - primitive + - "' - supported types are: 'points', 'lines', 'line-loop', " + - "'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'"); - } - }; - - /** - * Apply baked Model-space transformations to give position array - */ - SceneJS.Geometry.prototype._applyOptions = function (positions, options) { - - var positions2 = positions.slice ? positions.slice(0) : new Float32Array(positions); // HACK - - if (options.scale) { - - var scaleX = options.scale.x != undefined ? options.scale.x : 1.0; - var scaleY = options.scale.y != undefined ? options.scale.y : 1.0; - var scaleZ = options.scale.z != undefined ? options.scale.z : 1.0; - - for (var i = 0, len = positions2.length; i < len; i += 3) { - positions2[i ] *= scaleX; - positions2[i + 1] *= scaleY; - positions2[i + 2] *= scaleZ; - } - } - - if (options.origin) { - - var originX = options.origin.x != undefined ? options.origin.x : 0.0; - var originY = options.origin.y != undefined ? options.origin.y : 0.0; - var originZ = options.origin.z != undefined ? options.origin.z : 0.0; - - for (var i = 0, len = positions2.length; i < len; i += 3) { - positions2[i ] -= originX; - positions2[i + 1] -= originY; - positions2[i + 2] -= originZ; - } - } - - return positions2; - }; - - /** - * Allocates WebGL buffers for geometry arrays - * - * In addition to initially allocating those, this is called to reallocate them after - * WebGL context is regained after being lost. - */ - SceneJS.Geometry._buildNodeCore = function (gl, core) { - - var usage = gl.STATIC_DRAW; //var usage = (!arrays.fixed) ? gl.STREAM_DRAW : gl.STATIC_DRAW; - - try { // TODO: Modify usage flags in accordance with how often geometry is evicted - - var arrays = core.arrays; - - if (arrays.positions) { - core.vertexBuf = new SceneJS_webgl_ArrayBuffer(gl, gl.ARRAY_BUFFER, arrays.positions, arrays.positions.length, 3, usage); - } - - if (arrays.normals) { - core.normalBuf = new SceneJS_webgl_ArrayBuffer(gl, gl.ARRAY_BUFFER, arrays.normals, arrays.normals.length, 3, usage); - } - - if (arrays.uv) { - core.uvBuf = new SceneJS_webgl_ArrayBuffer(gl, gl.ARRAY_BUFFER, arrays.uv, arrays.uv.length, 2, usage); - } - - if (arrays.uv2) { - core.uvBuf2 = new SceneJS_webgl_ArrayBuffer(gl, gl.ARRAY_BUFFER, arrays.uv2, arrays.uv2.length, 2, usage); - } - - if (arrays.colors) { - core.colorBuf = new SceneJS_webgl_ArrayBuffer(gl, gl.ARRAY_BUFFER, arrays.colors, arrays.colors.length, 4, usage); - } - - if (arrays.indices) { - core.indexBuf = new SceneJS_webgl_ArrayBuffer(gl, gl.ELEMENT_ARRAY_BUFFER, arrays.indices, arrays.indices.length, 1, usage); - } - - } catch (e) { // Allocation failure - delete whatever buffers got allocated - - if (core.vertexBuf) { - core.vertexBuf.destroy(); - core.vertexBuf = null; - } - - if (core.normalBuf) { - core.normalBuf.destroy(); - core.normalBuf = null; - } - - if (core.uvBuf) { - core.uvBuf.destroy(); - core.uvBuf = null; - } - - if (core.uvBuf2) { - core.uvBuf2.destroy(); - core.uvBuf2 = null; - } - - if (core.colorBuf) { - core.colorBuf.destroy(); - core.colorBuf = null; - } - - if (core.indexBuf) { - core.indexBuf.destroy(); - core.indexBuf = null; - } - - throw SceneJS_error.fatalError( - SceneJS.errors.ERROR, - "Failed to allocate geometry: " + e); - } - }; - - SceneJS.Geometry.prototype._updateArray = function (array, items, offset) { - - var arrayLen = array.length; - var itemsLen = items.length; - - if (itemsLen + offset > arrayLen) { - itemsLen -= (itemsLen + offset) - arrayLen; - } - - for (var i = offset, j = 0; j < itemsLen; i++, j++) { - array[i] = items[j]; - } - - }; - - SceneJS.Geometry.prototype.setSource = function (sourceConfigs) { - this._sourceConfigs = sourceConfigs; - var source = this._source; - if (source && source.configure) { - source.configure(sourceConfigs); - } - }; - - SceneJS.Geometry.prototype.getSource = function () { - return this._sourceConfigs || {}; - }; - - SceneJS.Geometry.prototype.setPositions = function (data) { - if (data.positions && this._core.vertexBuf) { - var core = this._core; - core.vertexBuf.bind(); - core.vertexBuf.setData(new Float32Array(data.positions), data.positionsOffset || 0); - core.arrays.positions.set(data.positions, data.positionsOffset || 0); - this._engine.display.imageDirty = true; - } - }; - - SceneJS.Geometry.prototype.getPositions = function () { - return this._core.arrays ? this._core.arrays.positions : null; - }; - - SceneJS.Geometry.prototype.setNormals = function (data) { - if (data.normals && this._core.normalBuf) { - var core = this._core; - core.normalBuf.bind(); - core.normalBuf.setData(new Float32Array(data.normals), data.normalsOffset || 0); - core.arrays.normals.set(data.normals, data.normalsOffset || 0); - this._engine.display.imageDirty = true; - } - }; - - SceneJS.Geometry.prototype.getNormals = function () { - return this._core.arrays ? this._core.arrays.normals : null; - }; - - SceneJS.Geometry.prototype.setColors = function (data) { - if (data.colors && this._core.colorBuf) { - var core = this._core; - core.colorBuf.bind(); - core.colorBuf.setData(new Float32Array(data.colors), data.colorsOffset || 0); - core.arrays.colors.set(data.colors, data.colorsOffset || 0); - this._engine.display.imageDirty = true; - } - }; - - SceneJS.Geometry.prototype.getColors = function () { - return this._core.arrays ? this._core.arrays.colors : null; - }; - - SceneJS.Geometry.prototype.getIndices = function () { - return this._core.arrays ? this._core.arrays.indices : null; - }; - - SceneJS.Geometry.prototype.setUV = function (data) { - if (data.uv && this._core.colorBuf) { - var core = this._core; - core.colorBuf.bind(); - core.colorBuf.setData(new Float32Array(data.uv), data.uvOffset || 0); - core.arrays.uv.set(data.uv, data.uvOffset || 0); - this._engine.display.imageDirty = true; - } - }; - - SceneJS.Geometry.prototype.getUV = function () { - return this._core.arrays ? this._core.arrays.uv : null; - }; - - SceneJS.Geometry.prototype.setUV2 = function (data) { - if (data.uv2 && this._core.colorBuf) { - var core = this._core; - core.colorBuf.bind(); - core.colorBuf.setData(new Float32Array(data.uv2), data.uv2Offset || 0); - core.arrays.uv2.set(data.uv2, data.uv2Offset || 0); - this._engine.display.imageDirty = true; - } - }; - - SceneJS.Geometry.prototype.getUV2 = function () { - return this._core.arrays ? this._core.arrays.uv2 : null; - }; - - SceneJS.Geometry.prototype.getPrimitive = function () { - return this.primitive; - }; - - SceneJS.Geometry.prototype.getBoundary = function () { - - if (this._boundary) { - return this._boundary; - } - - var arrays = this._core.arrays; - - if (!arrays) { - return null; - } - - var positions = arrays.positions; - - if (!positions) { - return null; - } - - this._boundary = { - xmin:SceneJS_math_MAX_DOUBLE, - ymin:SceneJS_math_MAX_DOUBLE, - zmin:SceneJS_math_MAX_DOUBLE, - xmax:SceneJS_math_MIN_DOUBLE, - ymax:SceneJS_math_MIN_DOUBLE, - zmax:SceneJS_math_MIN_DOUBLE - }; - - var x, y, z; - - for (var i = 0, len = positions.length - 2; i < len; i += 3) { - - x = positions[i]; - y = positions[i + 1]; - z = positions[i + 2]; - - if (x < this._boundary.xmin) { - this._boundary.xmin = x; - } - if (y < this._boundary.ymin) { - this._boundary.ymin = y; - } - if (z < this._boundary.zmin) { - this._boundary.zmin = z; - } - if (x > this._boundary.xmax) { - this._boundary.xmax = x; - } - if (y > this._boundary.ymax) { - this._boundary.ymax = y; - } - if (z > this._boundary.zmax) { - this._boundary.zmax = z; - } - } - - return this._boundary; - }; - - SceneJS.Geometry.prototype._compile = function () { - - if (this._core._loading) { // TODO: Breaks with asynch loaded cores - this node needs to recompile when target core is loaded - this._compileNodes(); - return; - } - - var core = this._core; - - if (!core.vertexBuf) { - - /* SceneJS.Geometry has no vertex buffer - it must be therefore be indexing a vertex/uv buffers defined - * by a higher Geometry, as part of a composite geometry: - * - * It must therefore inherit the vertex buffer, along with UV coord buffers. - * - * We'll leave it to the render state graph traversal to ensure that the - * vertex and UV buffers are not needlessly rebound for this geometry. - */ - core = this._inheritVBOs(core); - } - - if (core.indexBuf) { // Can only render when we have indices - - core.hash = ([ // Safe to build geometry hash here - geometry is immutable - core.normalBuf ? "t" : "f", - core.uvBuf ? "t" : "f", - core.uvBuf2 ? "t" : "f", - core.colorBuf ? "t" : "f", - core.primitive - ]).join(""); - - core.stateId = this._core.stateId; - core.type = "geometry"; - - this._engine.display.geometry = coreStack[stackLen++] = core; - - SceneJS_events.fireEvent(SceneJS_events.OBJECT_COMPILING, { // Pull in state updates from scenes nodes - display:this._engine.display - }); - - this._engine.display.buildObject(this.id); // Use node ID since we may inherit from many cores - - } else { - coreStack[stackLen++] = this._core; - } - - this._compileNodes(); - - stackLen--; - }; - - SceneJS.Geometry.prototype._inheritVBOs = function (core) { - - var core2 = { - primitive:core.primitive, - boundary:core.boundary, - normalBuf:core.normalBuf, - uvBuf:core.uvBuf, - uvBuf2:core.uvBuf2, - colorBuf:core.colorBuf, - indexBuf:core.indexBuf - }; - - for (var i = stackLen - 1; i >= 0; i--) { - if (coreStack[i].vertexBuf) { - core2.vertexBuf = coreStack[i].vertexBuf; - core2.boundary = coreStack[i].boundary; - core2.normalBuf = coreStack[i].normalBuf; - core2.uvBuf = coreStack[i].uvBuf; // Vertex and UVs are a package - core2.uvBuf2 = coreStack[i].uvBuf2; - core2.colorBuf = coreStack[i].colorBuf; - return core2; - } - } - - return core2; - }; - - SceneJS.Geometry.prototype._destroy = function () { - - this._engine.display.removeObject(this.id); - - /* Destroy core if no other references - */ - if (this._core.useCount == 1) { - - this._destroyNodeCore(); - - if (this._source && this._source.destroy) { - this._source.destroy(); - } - } - }; - - SceneJS.Geometry.prototype._destroyNodeCore = function () { - - if (document.getElementById(this._engine.canvas.canvasId)) { // Context won't exist if canvas has disappeared - - var core = this._core; - - if (core.vertexBuf) { - core.vertexBuf.destroy(); - } - if (core.normalBuf) { - core.normalBuf.destroy(); - } - if (core.uvBuf) { - core.uvBuf.destroy(); - } - if (core.uvBuf2) { - core.uvBuf2.destroy(); - } - if (core.colorBuf) { - core.colorBuf.destroy(); - } - if (core.indexBuf) { - core.indexBuf.destroy(); - } - } - }; - -}) - ();(function() { - - /** - * The default state core singleton for {@link SceneJS.Layer} nodes - */ - var defaultCore = { - type: "layer", - stateId: SceneJS._baseStateId++, - priority: 0, - enabled: true - }; - - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function(params) { - params.engine.display.layer = defaultCore; - stackLen = 0; - }); - - /** - * @class Scene graph node which assigns the {@link SceneJS.Geometry}s within its subgraph to a prioritised render bin - * @extends SceneJS.Node - */ - SceneJS.Layer = SceneJS_NodeFactory.createNodeType("layer"); - - SceneJS.Layer.prototype._init = function(params) { - if (this._core.useCount == 1) { // This node defines the resource - this._core.priority = params.priority || 0; - this._core.enabled = params.enabled !== false; - } - }; - - SceneJS.Layer.prototype.setPriority = function(priority) { - priority = priority || 0; - if (this._core.priority != priority) { - this._core.priority = priority; - this._engine.display.stateOrderDirty = true; - } - }; - - SceneJS.Layer.prototype.getPriority = function() { - return this._core.priority; - }; - - SceneJS.Layer.prototype.setEnabled = function(enabled) { - enabled = !!enabled; - if (this._core.enabled != enabled) { - this._core.enabled = enabled; - this._engine.display.drawListDirty = true; - } - }; - - SceneJS.Layer.prototype.getEnabled = function() { - return this._core.enabled; - }; - - SceneJS.Layer.prototype._compile = function() { - this._engine.display.layer = coreStack[stackLen++] = this._core; - this._compileNodes(); - this._engine.display.layer = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; - -})(); - -/** - * @class Scene graph node which assigns nodes in its subgraph to a library - * @extends SceneJS.Node - */ -SceneJS.Library = SceneJS_NodeFactory.createNodeType("library"); -SceneJS.Library.prototype._compile = function() { // Bypass child nodes -}; - -(function () { - - /** - * The default state core singleton for {@link SceneJS.Lights} nodes - */ - var defaultCore = { - type:"lights", - stateId:SceneJS._baseStateId++, - hash:null, - empty:false, - lights:[ - { - mode:"ambient", - color:[0.7, 0.7, 0.8 ], - diffuse:true, - specular:false - }, - { - mode:"dir", - color:[1.0, 1.0, 1.0 ], - diffuse:true, - specular:true, - dir:[-0.5, -0.5, -1.0 ], - space:"world" - }, - { - mode:"dir", - color:[1.0, 1.0, 1.0 ], - diffuse:false, - specular:true, - dir:[1.0, -0.9, -0.7 ], - space:"world" - } - ] - }; - - makeHash(defaultCore); - - function makeHash(core) { - if (core.lights && core.lights.length > 0) { - var lights = core.lights; - var parts = []; - var light; - for (var i = 0, len = lights.length; i < len; i++) { - light = lights[i]; - parts.push(light.mode); - if (light.specular) { - parts.push("s"); - } - if (light.diffuse) { - parts.push("d"); - } - parts.push((light.space == "world") ? "w" : "v"); - } - core.hash = parts.join(""); - - } else { - core.hash = ""; - } - } - - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function (params) { - params.engine.display.lights = defaultCore; - stackLen = 0; - }); - - /** - * @class Scene graph node which defines light sources to illuminate the {@link SceneJS.Geometry}s within its subgraph - * @extends SceneJS.Node - */ - SceneJS.Lights = SceneJS_NodeFactory.createNodeType("lights"); - - SceneJS.Lights.prototype._init = function (params) { - - if (this._core.useCount == 1) { // This node defines the resource - - var lights = params.lights; - - if (!lights) { - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_CONFIG_EXPECTED, - "lights node attribute missing : 'lights'"); - } - - this._core.lights = this._core.lights || []; - - for (var i = 0, len = lights.length; i < len; i++) { - this._initLight(i, lights[i]); - } - } - }; - - SceneJS.Lights.prototype._initLight = function (index, cfg) { - - var light = []; - this._core.lights[index] = light; - - var mode = cfg.mode || "dir"; - if (mode != "dir" && mode != "point" && mode != "ambient") { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Light mode not supported - should be 'dir' or 'point' or 'ambient'"); - } - - var pos = cfg.pos; - var dir = cfg.dir; - - var color = cfg.color; - light.color = [ - color.r != undefined ? color.r : 1.0, - color.g != undefined ? color.g : 1.0, - color.b != undefined ? color.b : 1.0 - ]; - - // Ambient lights hardwired to contribute to diffuse lighting - light.mode = mode; - light.diffuse = (mode == "ambient") ? true : ((cfg.diffuse != undefined) ? cfg.diffuse : true); - light.specular = (mode == "ambient") ? false : ((cfg.specular != undefined) ? cfg.specular : true); - light.pos = cfg.pos ? [ pos.x || 0, pos.y || 0, pos.z || 0 ] : undefined; - light.dir = cfg.dir ? [dir.x || 0, dir.y || 0, dir.z || 0] : undefined; - light.attenuation = [ - cfg.constantAttenuation != undefined ? cfg.constantAttenuation : 0.0, - cfg.linearAttenuation || 0.0, - cfg.quadraticAttenuation || 0.0 - ]; - - var space = cfg.space; - - if (!space) { - - space = "world"; - - } else if (space != "view" && space != "world") { - - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "lights node invalid value for property 'space': '" + space + "' - should be 'view' or 'world'"); - } - - light.space = space; - - this._core.hash = null; - }; - - - SceneJS.Lights.prototype.setLights = function (lights) { - var indexNum; - for (var index in lights) { - if (lights.hasOwnProperty(index)) { - if (index != undefined || index != null) { - indexNum = parseInt(index); - if (indexNum < 0 || indexNum >= this._core.lights.length) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Invalid argument to set 'lights': index out of range (" + this._core.lights.length + " lights defined)"); - } - this._setLight(indexNum, lights[index] || {}); - } - } - } - this._engine.branchDirty(this); // Schedule recompilation of this subgraph - }; - - SceneJS.Lights.prototype._setLight = function (index, cfg) { - - var light = this._core.lights[index]; - - // Impact of light update - var imageDirty = false; // Redraw display list? - var branchDirty = false; // Recompile scene branch? - - if (cfg.mode && cfg.mode != light.mode) { - var mode = cfg.mode; - if (mode != "dir" && mode != "point" && mode != "ambient") { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Light mode not supported - should be 'dir' or 'point' or 'ambient'"); - } - light.mode = mode; - light.diffuse = (mode == "ambient") ? true : ((cfg.diffuse != undefined) ? cfg.diffuse : true); - light.specular = (mode == "ambient") ? false : ((cfg.specular != undefined) ? cfg.specular : true); - branchDirty = true; - } - - if (cfg.color) { - var color = cfg.color; - light.color = [ - color.r != undefined ? color.r : 1.0, - color.g != undefined ? color.g : 1.0, - color.b != undefined ? color.b : 1.0 - ]; - imageDirty = true; - } - - var pos = cfg.pos; - if (pos) { - light.pos = [ pos.x || 0, pos.y || 0, pos.z || 0 ]; - imageDirty = true; - } - - var dir = cfg.dir; - if (dir) { - light.dir = [dir.x || 0, dir.y || 0, dir.z || 0]; - imageDirty = true; - } - - if (cfg.constantAttenuation != undefined) { - light.attenuation[0] = cfg.constantAttenuation; - imageDirty = true; - } - if (cfg.linearAttenuation != undefined) { - light.attenuation[1] = cfg.linearAttenuation; - imageDirty = true; - } - if (cfg.quadraticAttenuation != undefined) { - light.attenuation[2] = cfg.quadraticAttenuation; - imageDirty = true; - } - - if (cfg.space && cfg.space != light.space) { - var space = cfg.space; - if (space != "view" && space != "world") { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "lights node invalid value for property 'space': '" + space + "' - should be 'view' or 'world'"); - } - light.space = space; - this._core.hash = null; - branchDirty = true; - } - - if (cfg.specular != light.specular) { - light.specular = cfg.specular; - branchDirty = true; - } - if (cfg.diffuse != light.diffuse) { - light.diffuse = cfg.diffuse; - branchDirty = true; - } - - if (branchDirty) { - this._engine.branchDirty(this); // Schedule recompilation of this subgraph - } else if (imageDirty) { - this._engine.display.imageDirty = true; - } - - this._core.hash = null; - }; - - SceneJS.Lights.prototype._compile = function () { - - if (!this._core.hash) { - makeHash(this._core); - } - - this._engine.display.lights = coreStack[stackLen++] = this._core; - this._compileNodes(); - this._engine.display.lights = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; - -})();(function () { - - var defaultMatrix = SceneJS_math_lookAtMat4c(0, 0, 10, 0, 0, 0, 0, 1, 0); - var defaultMat = new Float32Array(defaultMatrix); - var normalMat = SceneJS_math_transposeMat4(SceneJS_math_inverseMat4(defaultMat, SceneJS_math_mat4())); - var defaultNormalMat = new Float32Array(normalMat); - - /** - * The default state core singleton for {@link SceneJS.Lookat} nodes - */ - var defaultCore = { - type:"lookAt", - stateId:SceneJS._baseStateId++, - matrix:defaultMatrix, - mat:defaultMat, - normalMatrix:normalMat, - normalMat:defaultNormalMat, - lookAt:SceneJS_math_LOOKAT_ARRAYS - }; - - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function (params) { - params.engine.display.viewTransform = defaultCore; - stackLen = 0; - }); - - /** - * @class Scene graph node which defines the viewing transform for the {@link SceneJS.Geometry}s within its subgraph - * @extends SceneJS.Node - */ - SceneJS.Lookat = SceneJS_NodeFactory.createNodeType("lookAt"); - - SceneJS.Lookat.prototype._init = function (params) { - - this._mat = null; - - this._xf = { - type:"lookat" - }; - - if (this._core.useCount == 1) { // This node is the resource definer - - this._core.eyeX = 0; - this._core.eyeY = 0; - this._core.eyeZ = 10.0; - - this._core.lookX = 0; - this._core.lookY = 0; - this._core.lookZ = 0; - - this._core.upX = 0; - this._core.upY = 1; - this._core.upZ = 0; - - if (!params.eye && !params.look && !params.up) { - this.setEye({x:0, y:0, z:10.0 }); - this.setLook({x:0, y:0, z:0 }); - this.setUp({x:0, y:1.0, z:0 }); - } else { - this.setEye(params.eye); - this.setLook(params.look); - this.setUp(params.up); - } - - var core = this._core; - - this._core.rebuild = function () { - - core.matrix = SceneJS_math_lookAtMat4c( - core.eyeX, core.eyeY, core.eyeZ, - core.lookX, core.lookY, core.lookZ, - core.upX, core.upY, core.upZ); - - core.lookAt = { - eye:[core.eyeX, core.eyeY, core.eyeZ ], - look:[core.lookX, core.lookY, core.lookZ ], - up:[core.upX, core.upY, core.upZ ] - }; - - if (!core.mat) { // Lazy-create arrays - core.mat = new Float32Array(core.matrix); - core.normalMat = new Float32Array( - SceneJS_math_transposeMat4(SceneJS_math_inverseMat4(core.matrix, SceneJS_math_mat4()))); - - } else { // Insert into arrays - core.mat.set(core.matrix); - core.normalMat.set(SceneJS_math_transposeMat4(SceneJS_math_inverseMat4(core.matrix, SceneJS_math_mat4()))); - } - - core.dirty = false; - }; - - this._core.dirty = true; - } - }; - - SceneJS.Lookat.prototype.setEye = function (eye) { - - eye = eye || {}; - - if (eye.x != undefined && eye.x != null) { - this._core.eyeX = eye.x; - } - - if (eye.y != undefined && eye.y != null) { - this._core.eyeY = eye.y; - } - - if (eye.z != undefined && eye.z != null) { - this._core.eyeZ = eye.z; - } - - this._core.dirty = true; - this._engine.display.imageDirty = true; - - return this; - }; - - SceneJS.Lookat.prototype.incEye = function (eye) { - eye = eye || {}; - this._core.eyeX += (eye.x != undefined && eye.x != null) ? eye.x : 0; - this._core.eyeY += (eye.y != undefined && eye.y != null) ? eye.y : 0; - this._core.eyeZ += (eye.z != undefined && eye.z != null) ? eye.z : 0; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.setEyeX = function (x) { - this._core.eyeX = x || 0; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.setEyeY = function (y) { - this._core.eyeY = y || 0; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.setEyeZ = function (z) { - this._core.eyeZ = z || 0; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.incEyeX = function (x) { - this._core.eyeX += x; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.incEyeY = function (y) { - this._core.eyeY += y; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.incEyeZ = function (z) { - this._core.eyeZ += z; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.getEye = function () { - return { - x:this._core.eyeX, - y:this._core.eyeY, - z:this._core.eyeZ - }; - }; - - SceneJS.Lookat.prototype.setLook = function (look) { - look = look || {}; - - if (look.x != undefined && look.x != null) { - this._core.lookX = look.x; - } - - if (look.y != undefined && look.y != null) { - this._core.lookY = look.y; - } - - if (look.z != undefined && look.z != null) { - this._core.lookZ = look.z; - } - - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.incLook = function (look) { - look = look || {}; - this._core.lookX += (look.x != undefined && look.x != null) ? look.x : 0; - this._core.lookY += (look.y != undefined && look.y != null) ? look.y : 0; - this._core.lookZ += (look.z != undefined && look.z != null) ? look.z : 0; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.setLookX = function (x) { - this._core.lookX = x || 0; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.setLookY = function (y) { - this._core.lookY = y || 0; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.setLookZ = function (z) { - this._core.lookZ = z || 0; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.incLookX = function (x) { - this._core.lookX += x; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.incLookY = function (y) { - this._core.lookY += y; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.incLookZ = function (z) { - this._core.lookZ += z; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.getLook = function () { - return { - x:this._core.lookX, - y:this._core.lookY, - z:this._core.lookZ - }; - }; - - SceneJS.Lookat.prototype.setUp = function (up) { - up = up || {}; - - if (up.x != undefined && up.x != null) { - this._core.upX = up.x; - } - - if (up.y != undefined && up.y != null) { - this._core.upY = up.y; - } - - if (up.z != undefined && up.z != null) { - this._core.upZ = up.z; - } - - this._core.dirty = true; - this._engine.display.imageDirty = true; - - return this; - }; - - SceneJS.Lookat.prototype.incUp = function (up) { - up = up || {}; - this._core.upX += (up.x != undefined && up.x != null) ? up.x : 0; - this._core.upY += (up.y != undefined && up.y != null) ? up.y : 0; - this._core.upZ += (up.z != undefined && up.z != null) ? up.z : 0; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.setUpX = function (x) { - this._core.upX = x || 0; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.setUpY = function (y) { - this._core.upY = y || 0; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.setUpZ = function (z) { - this._core.upZ = z || 0; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.incUpX = function (x) { - this._core.upX += x; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.incUpY = function (y) { - this._core.upY += y; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.incUpZ = function (z) { - this._core.upZ += z; - this._core.dirty = true; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Lookat.prototype.getUp = function () { - return { - x:this._core.upX, - y:this._core.upY, - z:this._core.upZ - }; - }; - - /** - * Returns a copy of the matrix as a 1D array of 16 elements - * @returns {Number[16]} - */ - SceneJS.Lookat.prototype.getMatrix = function () { - - if (this._core.dirty) { - this._core.rebuild(); - } - - return this._mat.slice(0); - }; - - SceneJS.Lookat.prototype.getAttributes = function () { - return { - look:{ - x:this._core.lookX, - y:this._core.lookY, - z:this._core.lookZ - }, - eye:{ - x:this._core.eyeX, - y:this._core.eyeY, - z:this._core.eyeZ - }, - up:{ - x:this._core.upX, - y:this._core.upY, - z:this._core.upZ - } - }; - }; - - SceneJS.Lookat.prototype._compile = function () { - this._engine.display.viewTransform = coreStack[stackLen++] = this._core; - this._compileNodes(); - this._engine.display.viewTransform = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; - -})();/* - - TODO: material system from virtualworldframework: - - "color": - "ambient": - "specColor": - "shininess": - "reflect": - "specular": - "emit": - "alpha": - "binaryAlpha": - */ -new (function () { - - /** - * The default state core singleton for {@link SceneJS.Material} nodes - */ - var defaultCore = { - type:"material", - stateId:SceneJS._baseStateId++, - baseColor:[ 1.0, 1.0, 1.0 ], - specularColor:[ 1.0, 1.0, 1.0 ], - specular:1.0, - shine:70.0, - alpha:1.0, - emit:0.0 - }; - - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function (params) { - params.engine.display.material = defaultCore; - stackLen = 0; - }); - - /** - * @class Scene graph node which defines surface material properties for the {@link SceneJS.Geometry}s within its subgraph - * @extends SceneJS.Node - */ - SceneJS.Material = SceneJS_NodeFactory.createNodeType("material"); - - SceneJS.Material.prototype._init = function (params) { - if (this._core.useCount == 1) { - this.setBaseColor(params.color || params.baseColor); - this.setSpecularColor(params.specularColor); - this.setSpecular(params.specular); - this.setShine(params.shine); - this.setEmit(params.emit); - this.setAlpha(params.alpha); - } - }; - - /** - * @deprecated - * @param color - * @return {*} - */ - SceneJS.Material.prototype.setBaseColor = function (color) { - var defaultBaseColor = defaultCore.baseColor; - this._core.baseColor = color ? [ - color.r != undefined && color.r != null ? color.r : defaultBaseColor[0], - color.g != undefined && color.g != null ? color.g : defaultBaseColor[1], - color.b != undefined && color.b != null ? color.b : defaultBaseColor[2] - ] : defaultCore.baseColor; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Material.prototype.setColor = SceneJS.Material.prototype.setBaseColor; - - /** - * @deprecated - * @return {Object} - */ - SceneJS.Material.prototype.getBaseColor = function () { - return { - r:this._core.baseColor[0], - g:this._core.baseColor[1], - b:this._core.baseColor[2] - }; - }; - - SceneJS.Material.prototype.getColor = SceneJS.Material.prototype.getBaseColor; - - SceneJS.Material.prototype.setSpecularColor = function (color) { - var defaultSpecularColor = defaultCore.specularColor; - this._core.specularColor = color ? [ - color.r != undefined && color.r != null ? color.r : defaultSpecularColor[0], - color.g != undefined && color.g != null ? color.g : defaultSpecularColor[1], - color.b != undefined && color.b != null ? color.b : defaultSpecularColor[2] - ] : defaultCore.specularColor; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Material.prototype.getSpecularColor = function () { - return { - r:this._core.specularColor[0], - g:this._core.specularColor[1], - b:this._core.specularColor[2] - }; - }; - - SceneJS.Material.prototype.setSpecular = function (specular) { - this._core.specular = (specular != undefined && specular != null) ? specular : defaultCore.specular; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Material.prototype.getSpecular = function () { - return this._core.specular; - }; - - SceneJS.Material.prototype.setShine = function (shine) { - this._core.shine = (shine != undefined && shine != null) ? shine : defaultCore.shine; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Material.prototype.getShine = function () { - return this._core.shine; - }; - - SceneJS.Material.prototype.setEmit = function (emit) { - this._core.emit = (emit != undefined && emit != null) ? emit : defaultCore.emit; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Material.prototype.getEmit = function () { - return this._core.emit; - }; - - SceneJS.Material.prototype.setAlpha = function (alpha) { - this._core.alpha = (alpha != undefined && alpha != null) ? alpha : defaultCore.alpha; - this._engine.display.imageDirty = true; - return this; - }; - - SceneJS.Material.prototype.getAlpha = function () { - return this._core.alpha; - }; - - SceneJS.Material.prototype._compile = function () { - this._engine.display.material = coreStack[stackLen++] = this._core; - this._compileNodes(); - this._engine.display.material = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; - -})();new (function () { - - /** - * The default state core singleton for {@link SceneJS.MorphGeometry} nodes - */ - var defaultCore = { - type:"morphGeometry", - stateId:SceneJS._baseStateId++, - hash:"", - // empty: true, - morph:null - }; - - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function (params) { - params.engine.display.morphGeometry = defaultCore; - stackLen = 0; - }); - - /** - * @class Scene graph node which defines morphing behaviour for the {@link SceneJS.Geometry}s within its subgraph - * @extends SceneJS.Node - */ - SceneJS.MorphGeometry = SceneJS_NodeFactory.createNodeType("morphGeometry"); - - SceneJS.MorphGeometry.prototype._init = function (params) { - - if (this._core.useCount == 1) { // This node defines the resource - - this._sourceConfigs = params.source; - this._source = null; - - if (params.source) { - - /*--------------------------------------------------------------------------------------------------- - * Build node core (possibly asynchronously) using a factory object - *--------------------------------------------------------------------------------------------------*/ - - if (!params.source.type) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "morphGeometry config expected: source.type"); - } - - var self = this; - - SceneJS.Plugins.getPlugin( - "morphGeometry", - this._sourceConfigs.type, - function (sourceService) { - - if (!sourceService) { - throw SceneJS_error.fatalError( - SceneJS.errors.PLUGIN_INVALID, - "morphGeometry: no support for source type '" + self._sourceConfigs.type + "' - need to include plugin for self source type, " + - "or install a custom source service with SceneJS.Plugins.addPlugin(SceneJS.Plugins.MORPH_GEO_SOURCE_PLUGIN, '" + self._sourceConfigs.type + "', )."); - } - - if (!sourceService.getSource) { - throw SceneJS_error.fatalError( - SceneJS.errors.PLUGIN_INVALID, - "morphGeometry: 'getSource' method not found on MorphGeoFactoryService (SceneJS.Plugins.MORPH_GEO_SOURCE_PLUGIN)"); - } - - self._source = sourceService.getSource(); - - if (!self._source.subscribe) { - throw SceneJS_error.fatalError( - SceneJS.errors.PLUGIN_INVALID, - "morphGeometry: 'subscribe' method not found on source provided by plugin type '" + params.source.type + "'"); - } - - var created = false; - - self._source.subscribe(// Get notification when factory creates the morph - function (data) { - - if (!created) { - self._buildNodeCore(data); - - self._core._loading = false; - self._fireEvent("loaded"); - - self._engine.branchDirty(self); // TODO - - created = true; - - } else { - - if (data.targets) { - - var dataTargets = data.targets; - var dataTarget; - var index; - var morphTargets = self._core.targets; - var morphTarget; - - for (var i = 0, len = dataTargets.length; i < len; i++) { - dataTarget = dataTargets[i]; - index = dataTarget.targetIndex; - morphTarget = morphTargets[index]; - - if (dataTarget.positions && morphTarget.vertexBuf) { - morphTarget.vertexBuf.bind(); - morphTarget.vertexBuf.setData(dataTarget.positions, 0); - } - } - } - - // TODO: factory can update factor? - // self.setFactor(params.factor); - - self._display.imageDirty = true; - } - }); - - self._core._loading = true; - - self._fireEvent("loading"); - - self._source.configure(self._sourceConfigs); - }); - - } else if (params.create instanceof Function) { - - /*--------------------------------------------------------------------------------------------------- - * Build node core from JSON arrays and primitive name returned by factory function - *--------------------------------------------------------------------------------------------------*/ - - this._buildNodeCore(params.create()); - - } else { - - /*--------------------------------------------------------------------------------------------------- - * Build node core from JSON arrays and primitive name given in node properties - *--------------------------------------------------------------------------------------------------*/ - - this._buildNodeCore(params); - } - - this._core.webglRestored = function () { - //self._buildNodeCore(self._engine.canvas.gl, self._core); - }; - - this.setFactor(params.factor); - } - - // TODO: factor shared on cores? - this._core.factor = params.factor || 0; - this._core.clamp = !!params.clamp; - }; - - SceneJS.MorphGeometry.prototype._buildNodeCore = function (data) { - - var targetsData = data.targets || []; - if (targetsData.length < 2) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "morphGeometry node should have at least two targets"); - } - - var keysData = data.keys || []; - if (keysData.length != targetsData.length) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "morphGeometry node mismatch in number of keys and targets"); - } - - var core = this._core; - var gl = this._engine.canvas.gl; - var usage = gl.STATIC_DRAW; //var usage = (!arrays.fixed) ? gl.STREAM_DRAW : gl.STATIC_DRAW; - - core.keys = keysData; - core.targets = []; - core.key1 = 0; - core.key2 = 1; - - /* First target's arrays are defaults for where not given on previous and subsequent targets. - * When target does have array, subsequent targets without array inherit it. - */ - - var positions; - var normals; - var uv; - var uv2; - - var targetData; - - for (var i = 0, len = targetsData.length; i < len; i++) { - targetData = targetsData[i]; - if (!positions && targetData.positions) { - positions = targetData.positions; - } - if (!normals && targetData.normals) { - normals = targetData.normals; - } - if (!uv && targetData.uv) { - uv = targetData.uv; - } - if (!uv2 && targetData.uv2) { - uv2 = targetData.uv2; - } - } - - try { - var target; - var arry; - - for (var i = 0, len = targetsData.length; i < len; i++) { - targetData = targetsData[i]; - target = {}; - - arry = targetData.positions || positions; - if (arry) { - target.vertexBuf = new SceneJS_webgl_ArrayBuffer(gl, gl.ARRAY_BUFFER, - (typeof arry == "Float32Array") ? arry : new Float32Array(arry), - arry.length, 3, usage); - positions = arry; - } - - arry = targetData.normals || normals; - if (arry) { - target.normalBuf = new SceneJS_webgl_ArrayBuffer(gl, gl.ARRAY_BUFFER, - (typeof arry == "Float32Array") ? arry : new Float32Array(arry), - arry.length, - 3, usage); - normals = arry; - } - - arry = targetData.uv || uv; - if (arry) { - target.uvBuf = new SceneJS_webgl_ArrayBuffer(gl, gl.ARRAY_BUFFER, - (typeof arry == "Float32Array") ? arry : new Float32Array(arry), - arry.length, 2, usage); - uv = arry; - } - - arry = targetData.uv2 || uv2; - if (arry) { - target.uvBuf2 = new SceneJS_webgl_ArrayBuffer(gl, gl.ARRAY_BUFFER, - (typeof arry == "Float32Array") ? arry : new Float32Array(arry), - arry.length, 2, usage); - uv2 = arry; - } - - core.targets.push(target); // We'll iterate this to destroy targets when we recover from error - } - - } catch (e) { - - /* Allocation failure - deallocate target VBOs - */ - for (var i = 0, len = core.targets.length; i < len; i++) { - - target = core.targets[i]; - - if (target.vertexBuf) { - target.vertexBuf.destroy(); - } - if (target.normalBuf) { - target.normalBuf.destroy(); - } - if (target.uvBuf) { - target.uvBuf.destroy(); - } - if (target.uvBuf2) { - target.uvBuf2.destroy(); - } - } - - throw SceneJS_error.fatalError( - SceneJS.errors.ERROR, - "Failed to allocate VBO(s) for morphGeometry: " + e); - } - }; - - SceneJS.MorphGeometry.prototype.setSource = function (sourceConfigs) { - this._sourceConfigs = sourceConfigs; - var source = this._source; - if (source) { - source.configure(sourceConfigs); - } - }; - - SceneJS.MorphGeometry.prototype.getSource = function () { - return this._sourceConfigs; - }; - - SceneJS.MorphGeometry.prototype.setFactor = function (factor) { - factor = factor || 0.0; - - var core = this._core; - - var keys = core.keys; - var key1 = core.key1; - var key2 = core.key2; - - if (factor < keys[0]) { - key1 = 0; - key2 = 1; - - } else if (factor > keys[keys.length - 1]) { - key1 = keys.length - 2; - key2 = key1 + 1; - - } else { - while (keys[key1] > factor) { - key1--; - key2--; - } - while (keys[key2] < factor) { - key1++; - key2++; - } - } - - /* Normalise factor to range [0.0..1.0] for the target frame - */ - core.factor = (factor - keys[key1]) / (keys[key2] - keys[key1]); - core.key1 = key1; - core.key2 = key2; - - this._engine.display.imageDirty = true; - }; - - SceneJS.MorphGeometry.prototype.getFactor = function () { - return this._core.factor; - }; - - SceneJS.MorphGeometry.prototype._compile = function () { - - if (!this._core.hash) { - this._makeHash(); - } - - this._engine.display.morphGeometry = coreStack[stackLen++] = this._core; - this._compileNodes(); - this._engine.display.morphGeometry = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; - - SceneJS.MorphGeometry.prototype._makeHash = function () { - var core = this._core; - if (core.targets.length > 0) { - var target0 = core.targets[0]; // All targets have same arrays - var t = "t"; - var f = "f"; - core.hash = ([ - target0.vertexBuf ? t : f, - target0.normalBuf ? t : f, - target0.uvBuf ? t : f, - target0.uvBuf2 ? t : f - ]).join(""); - } else { - core.hash = ""; - } - }; - - SceneJS.MorphGeometry.prototype._destroy = function () { - if (this._core.useCount == 1) { // Destroy core if no other references - if (document.getElementById(this._engine.canvas.canvasId)) { // Context won't exist if canvas has disappeared - var core = this._core; - var target; - for (var i = 0, len = core.targets.length; i < len; i++) { - target = core.targets[i]; - if (target.vertexBuf) { - target.vertexBuf.destroy(); - } - if (target.normalBuf) { - target.normalBuf.destroy(); - } - if (target.uvBuf) { - target.uvBuf.destroy(); - } - if (target.uvBuf2) { - target.uvBuf2.destroy(); - } - } - } - if (this._source && this._source.destroy) { - this._source.destroy(); - } - } - }; - -})();(function() { - - /** - * The default state core singleton for {@link SceneJS.Name} nodes - */ - var defaultCore = { - type: "name", - stateId: SceneJS._baseStateId++, - name: null - }; - - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function(params) { - params.engine.display.name = defaultCore; - stackLen = 0; - }); - - /** - * @class Scene graph node which assigns a pick name to the {@link SceneJS.Geometry} nodes in its subgraph. - * @extends SceneJS.Node - */ - SceneJS.Name = SceneJS_NodeFactory.createNodeType("name"); - - SceneJS.Name.prototype._init = function(params) { - if (this._core.useCount == 1) { - this.setName(params.name); - } - }; - - SceneJS.Name.prototype.setName = function(name) { - this._core.name = name || "unnamed"; - this._engine.display.imageDirty = true; - }; - - SceneJS.Name.prototype.getName = function() { - return this._core.name; - }; - - SceneJS.Name.prototype._compile = function() { - this._engine.display.name = coreStack[stackLen++] = this._core; - this._compileNodes(); - this._engine.display.name = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; -})();new (function() { - - /** - * The default state core singleton for {@link SceneJS.Renderer} nodes - */ - var defaultCore = { - type: "renderer", - stateId: SceneJS._baseStateId++, - props: null - }; - - var canvas; // Currently active canvas - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function(params) { - - canvas = params.engine.canvas; - -// // TODO: Below is a HACK -// -// defaultCore.props = createProps({ // Dont set props - just define for restoring to on props pop -// clear: { -// depth : true, -// color : true -// }, -// // clearColor: {r: 0, g : 0, b : 0 }, -// clearDepth: 1.0, -// enableDepthTest:true, -// enableCullFace: false, -// frontFace: "ccw", -// cullFace: "back", -// depthFunc: "less", -// depthRange: { -// zNear: 0, -// zFar: 1 -// }, -// enableScissorTest: false, -// viewport:{ -// x : 1, -// y : 1, -// width: canvas.canvas.width, -// height: canvas.canvas.height -// }, -// enableClip: undefined, -// enableBlend: false, -// blendFunc: { -// sfactor: "srcAlpha", -// dfactor: "one" -// } -// }); - - stackLen = 0; - - params.engine.display.renderer = coreStack[stackLen++] = defaultCore; - }); - - function createProps(props) { - - var restore; - if (stackLen > 0) { // can't restore when no previous props set - restore = {}; - for (var name in props) { - if (props.hasOwnProperty(name)) { - if (!(props[name] == undefined)) { - restore[name] = getSuperProperty(name); - } - } - } - } - - processProps(props.props); - - return { - - props: props, - - setProps: function(gl) { - setProperties(gl, props); - }, - - restoreProps : function(gl) { - if (restore) { - restoreProperties(gl, restore); - } - } - }; - } - - var getSuperProperty = function(name) { - var props; - var prop; - for (var i = stackLen - 1; i >= 0; i--) { - props = coreStack[i].props; - prop = props[name]; - if (prop != undefined && prop != null) { - return props[name]; - } - } - return null; // Cause default to be set - }; - - function processProps(props) { - var prop; - for (var name in props) { - if (props.hasOwnProperty(name)) { - prop = props[name]; - if (prop != undefined && prop != null) { - if (glModeSetters[name]) { - props[name] = glModeSetters[name](null, prop); - } else if (glStateSetters[name]) { - props[name] = glStateSetters[name](null, prop); - } - } - } - } - } - - var setProperties = function(gl, props) { - - for (var key in props) { // Set order-insensitive properties (modes) - if (props.hasOwnProperty(key)) { - var setter = glModeSetters[key]; - if (setter) { - setter(gl, props[key]); - } - } - } - - if (props.viewport) { // Set order-sensitive properties (states) - glStateSetters.viewport(gl, props.viewport); - } - - if (props.scissor) { - glStateSetters.clear(gl, props.scissor); - } - - if (props.clear) { - glStateSetters.clear(gl, props.clear); - } - }; - - /** - * Restores previous renderer properties, except for clear - that's the reason we - * have a seperate set and restore semantic - we don't want to keep clearing the buffer. - */ - var restoreProperties = function(gl, props) { - - var value; - - for (var key in props) { // Set order-insensitive properties (modes) - if (props.hasOwnProperty(key)) { - value = props[key]; - if (value != undefined && value != null) { - var setter = glModeSetters[key]; - if (setter) { - setter(gl, value); - } - } - } - } - - if (props.viewport) { // Set order-sensitive properties (states) - glStateSetters.viewport(gl, props.viewport); - } - - if (props.scissor) { - glStateSetters.clear(gl, props.scissor); - } - }; - - - /** - * Maps renderer node properties to WebGL gl enums - * @private - */ - var glEnum = function(gl, name) { - if (!name) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Null SceneJS.State node config: \"" + name + "\""); - } - var result = SceneJS_webgl_enumMap[name]; - if (!result) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Unrecognised SceneJS.State node config value: \"" + name + "\""); - } - var value = gl[result]; - if (!value) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "This browser's WebGL does not support renderer node config value: \"" + name + "\""); - } - return value; - }; - - - /** - * Order-insensitive functions that set WebGL modes ie. not actually causing an - * immediate change. - * - * These map to renderer properties and are called in whatever order their - * property is found on the renderer config. - * - * Each of these wrap a state-setter function on the WebGL gl. Each function - * also uses the glEnum map to convert its renderer node property argument to the - * WebGL enum constant required by its wrapped function. - * - * When called with undefined/null gl, will condition and return the value given - * ie. set it to default if value is undefined. When called with a gl, will - * set the value on the gl using the wrapped function. - * - * @private - */ - var glModeSetters = { - - enableBlend: function(gl, flag) { - if (!gl) { - if (flag == null || flag == undefined) { - flag = false; - } - return flag; - } - if (flag) { - gl.enable(gl.BLEND); - } else { - gl.disable(gl.BLEND); - } - }, - - blendColor: function(gl, color) { - if (!gl) { - color = color || {}; - return { - r: color.r || 0, - g: color.g || 0, - b: color.b || 0, - a: (color.a == undefined || color.a == null) ? 1 : color.a - }; - } - gl.blendColor(color.r, color.g, color.b, color.a); - }, - - blendEquation: function(gl, eqn) { - if (!gl) { - return eqn || "funcAdd"; - } - gl.blendEquation(gl, glEnum(gl, eqn)); - }, - - /** Sets the RGB blend equation and the alpha blend equation separately - */ - blendEquationSeparate: function(gl, eqn) { - if (!gl) { - eqn = eqn || {}; - return { - rgb : eqn.rgb || "funcAdd", - alpha : eqn.alpha || "funcAdd" - }; - } - gl.blendEquation(glEnum(gl, eqn.rgb), glEnum(gl, eqn.alpha)); - }, - - blendFunc: function(gl, funcs) { - if (!gl) { - funcs = funcs || {}; - return { - sfactor : funcs.sfactor || "srcAlpha", - dfactor : funcs.dfactor || "oneMinusSrcAlpha" - }; - } - gl.blendFunc(glEnum(gl, funcs.sfactor || "srcAlpha"), glEnum(gl, funcs.dfactor || "oneMinusSrcAlpha")); - }, - - blendFuncSeparate: function(gl, func) { - if (!gl) { - func = func || {}; - return { - srcRGB : func.srcRGB || "zero", - dstRGB : func.dstRGB || "zero", - srcAlpha : func.srcAlpha || "zero", - dstAlpha : func.dstAlpha || "zero" - }; - } - gl.blendFuncSeparate( - glEnum(gl, func.srcRGB || "zero"), - glEnum(gl, func.dstRGB || "zero"), - glEnum(gl, func.srcAlpha || "zero"), - glEnum(gl, func.dstAlpha || "zero")); - }, - - clearColor: function(gl, color) { - if (!gl) { - color = color || {}; - return { - r : color.r || 0, - g : color.g || 0, - b : color.b || 0, - a : (color.a == undefined || color.a == null) ? 1 : color.a - }; - } - gl.clearColor(color.r, color.g, color.b, color.a); - }, - - clearDepth: function(gl, depth) { - if (!gl) { - return (depth == null || depth == undefined) ? 1 : depth; - } - gl.clearDepth(depth); - }, - - clearStencil: function(gl, clearValue) { - if (!gl) { - return clearValue || 0; - } - gl.clearStencil(clearValue); - }, - - colorMask: function(gl, color) { - if (!gl) { - color = color || {}; - return { - r : color.r || 0, - g : color.g || 0, - b : color.b || 0, - a : (color.a == undefined || color.a == null) ? 1 : color.a - }; - - } - gl.colorMask(color.r, color.g, color.b, color.a); - }, - - enableCullFace: function(gl, flag) { - if (!gl) { - return flag; - } - if (flag) { - gl.enable(gl.CULL_FACE); - } else { - gl.disable(gl.CULL_FACE); - } - }, - - cullFace: function(gl, mode) { - if (!gl) { - return mode || "back"; - } - gl.cullFace(glEnum(gl, mode)); - }, - - enableDepthTest: function(gl, flag) { - if (!gl) { - if (flag == null || flag == undefined) { - flag = true; - } - return flag; - } - if (flag) { - gl.enable(gl.DEPTH_TEST); - } else { - gl.disable(gl.DEPTH_TEST); - } - }, - - depthFunc: function(gl, func) { - if (!gl) { - return func || "less"; - } - gl.depthFunc(glEnum(gl, func)); - }, - - enableDepthMask: function(gl, flag) { - if (!gl) { - if (flag == null || flag == undefined) { - flag = true; - } - return flag; - } - gl.depthMask(flag); - }, - - depthRange: function(gl, range) { - if (!gl) { - range = range || {}; - return { - zNear : (range.zNear == undefined || range.zNear == null) ? 0 : range.zNear, - zFar : (range.zFar == undefined || range.zFar == null) ? 1 : range.zFar - }; - } - gl.depthRange(range.zNear, range.zFar); - } , - - frontFace: function(gl, mode) { - if (!gl) { - return mode || "ccw"; - } - gl.frontFace(glEnum(gl, mode)); - }, - - lineWidth: function(gl, width) { - if (!gl) { - return width || 1; - } - gl.lineWidth(width); - }, - - enableScissorTest: function(gl, flag) { - if (!gl) { - return flag; - } - if (flag) { - gl.enable(gl.SCISSOR_TEST); - } else { - flag = false; - gl.disable(gl.SCISSOR_TEST); - } - } - }; - - /** - * Order-sensitive functions that immediately effect WebGL state change. - * - * These map to renderer properties and are called in a particular order since they - * affect one another. - * - * Each of these wrap a state-setter function on the WebGL gl. Each function - * also uses the glEnum map to convert its renderer node property argument to the - * WebGL enum constant required by its wrapped function. - * - * @private - */ - var glStateSetters = { - - /** Set viewport on the given gl - */ - viewport: function(gl, v) { - if (!gl) { - v = v || {}; - return { - x : v.x || 1, - y : v.y || 1, - width: v.width || canvas.canvas.width, - height: v.height || canvas.canvas.height - }; - } - gl.viewport(v.x, v.y, v.width, v.height); - }, - - /** Sets scissor region on the given gl - */ - scissor: function(gl, s) { - if (!gl) { - s = s || {}; - return { - x : s.x || 0, - y : s.y || 0, - width: s.width || 1.0, - height: s.height || 1.0 - }; - } - gl.scissor(s.x, s.y, s.width, s.height); - }, - - /** Clears buffers on the given gl as specified in mask - */ - clear:function(gl, mask) { - if (!gl) { - mask = mask || {}; - return mask; - } - var m; - if (mask.color) { - m = gl.COLOR_BUFFER_BIT; - } - if (mask.depth) { - m = m | gl.DEPTH_BUFFER_BIT; - } - if (mask.stencil) { - m = m | gl.STENCIL_BUFFER_BIT; - } - if (m) { - // gl.clear(m); - } - } - }; - - SceneJS.Renderer = SceneJS_NodeFactory.createNodeType("renderer"); - - SceneJS.Renderer.prototype._init = function(params) { - if (this._core.useCount == 1) { // This node defines the resource - for (var key in params) { - if (params.hasOwnProperty(key)) { - this._core[key] = params[key]; - } - } - this._core.dirty = true; - } - }; - - SceneJS.Renderer.prototype.setViewport = function(viewport) { - this._core.viewport = viewport ? { - x : viewport.x || 1, - y : viewport.y || 1, - width: viewport.width || 1000, - height: viewport.height || 1000 - } : undefined; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getViewport = function() { - return this._core.viewport ? { - x : this._core.viewport.x, - y : this._core.viewport.y, - width: this._core.viewport.width, - height: this._core.viewport.height - } : undefined; - }; - - SceneJS.Renderer.prototype.setScissor = function(scissor) { - this._core.scissor = scissor ? { - x : scissor.x || 1, - y : scissor.y || 1, - width: scissor.width || 1000, - height: scissor.height || 1000 - } : undefined; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getScissor = function() { - return this._core.scissor ? { - x : this._core.scissor.x, - y : this._core.scissor.y, - width: this._core.scissor.width, - height: this._core.scissor.height - } : undefined; - }; - - SceneJS.Renderer.prototype.setClear = function(clear) { - this._core.clear = clear ? { - r : clear.r || 0, - g : clear.g || 0, - b : clear.b || 0 - } : undefined; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getClear = function() { - return this._core.clear ? { - r : this._core.clear.r, - g : this._core.clear.g, - b : this._core.clear.b - } : null; - }; - - SceneJS.Renderer.prototype.setEnableBlend = function(enableBlend) { - this._core.enableBlend = enableBlend; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getEnableBlend = function() { - return this._core.enableBlend; - }; - - SceneJS.Renderer.prototype.setBlendColor = function(color) { - this._core.blendColor = color ? { - r : color.r || 0, - g : color.g || 0, - b : color.b || 0, - a : (color.a == undefined || color.a == null) ? 1 : color.a - } : undefined; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getBlendColor = function() { - return this._core.blendColor ? { - r : this._core.blendColor.r, - g : this._core.blendColor.g, - b : this._core.blendColor.b, - a : this._core.blendColor.a - } : undefined; - }; - - SceneJS.Renderer.prototype.setBlendEquation = function(eqn) { - this._core.blendEquation = eqn; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getBlendEquation = function() { - return this._core.blendEquation; - }; - - SceneJS.Renderer.prototype.setBlendEquationSeparate = function(eqn) { - this._core.blendEquationSeparate = eqn ? { - rgb : eqn.rgb || "funcAdd", - alpha : eqn.alpha || "funcAdd" - } : undefined; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getBlendEquationSeparate = function() { - return this._core.blendEquationSeparate ? { - rgb : this._core.rgb, - alpha : this._core.alpha - } : undefined; - }; - - SceneJS.Renderer.prototype.setBlendFunc = function(funcs) { - this._core.blendFunc = funcs ? { - sfactor : funcs.sfactor || "srcAlpha", - dfactor : funcs.dfactor || "one" - } : undefined; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getBlendFunc = function() { - return this._core.blendFunc ? { - sfactor : this._core.sfactor, - dfactor : this._core.dfactor - } : undefined; - }; - - SceneJS.Renderer.prototype.setBlendFuncSeparate = function(eqn) { - this._core.blendFuncSeparate = eqn ? { - srcRGB : eqn.srcRGB || "zero", - dstRGB : eqn.dstRGB || "zero", - srcAlpha : eqn.srcAlpha || "zero", - dstAlpha : eqn.dstAlpha || "zero" - } : undefined; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getBlendFuncSeparate = function() { - return this._core.blendFuncSeparate ? { - srcRGB : this._core.blendFuncSeparate.srcRGB, - dstRGB : this._core.blendFuncSeparate.dstRGB, - srcAlpha : this._core.blendFuncSeparate.srcAlpha, - dstAlpha : this._core.blendFuncSeparate.dstAlpha - } : undefined; - }; - - SceneJS.Renderer.prototype.setEnableCullFace = function(enableCullFace) { - this._core.enableCullFace = enableCullFace; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getEnableCullFace = function() { - return this._core.enableCullFace; - }; - - - SceneJS.Renderer.prototype.setCullFace = function(cullFace) { - this._core.cullFace = cullFace; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getCullFace = function() { - return this._core.cullFace; - }; - - SceneJS.Renderer.prototype.setEnableDepthTest = function(enableDepthTest) { - this._core.enableDepthTest = enableDepthTest; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getEnableDepthTest = function() { - return this._core.enableDepthTest; - }; - - SceneJS.Renderer.prototype.setDepthFunc = function(depthFunc) { - this._core.depthFunc = depthFunc; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getDepthFunc = function() { - return this._core.depthFunc; - }; - - SceneJS.Renderer.prototype.setEnableDepthMask = function(enableDepthMask) { - this._core.enableDepthMask = enableDepthMask; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getEnableDepthMask = function() { - return this._core.enableDepthMask; - }; - - SceneJS.Renderer.prototype.setClearDepth = function(clearDepth) { - this._core.clearDepth = clearDepth; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getClearDepth = function() { - return this._core.clearDepth; - }; - - SceneJS.Renderer.prototype.setDepthRange = function(range) { - this._core.depthRange = range ? { - zNear : (range.zNear == undefined || range.zNear == null) ? 0 : range.zNear, - zFar : (range.zFar == undefined || range.zFar == null) ? 1 : range.zFar - } : undefined; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getDepthRange = function() { - return this._core.depthRange ? { - zNear : this._core.depthRange.zNear, - zFar : this._core.depthRange.zFar - } : undefined; - }; - - SceneJS.Renderer.prototype.setFrontFace = function(frontFace) { - this._core.frontFace = frontFace; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getFrontFace = function() { - return this._core.frontFace; - }; - - SceneJS.Renderer.prototype.setLineWidth = function(lineWidth) { - this._core.lineWidth = lineWidth; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getLineWidth = function() { - return this._core.lineWidth; - }; - - SceneJS.Renderer.prototype.setEnableScissorTest = function(enableScissorTest) { - this._core.enableScissorTest = enableScissorTest; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getEnableScissorTest = function() { - return this._core.enableScissorTest; - }; - - SceneJS.Renderer.prototype.setClearStencil = function(clearStencil) { - this._core.clearStencil = clearStencil; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getClearStencil = function() { - return this._core.clearStencil; - }; - - SceneJS.Renderer.prototype.setColorMask = function(color) { - this._core.colorMask = color ? { - r : color.r || 0, - g : color.g || 0, - b : color.b || 0, - a : (color.a == undefined || color.a == null) ? 1 : color.a - } : undefined; - this._core.dirty = true; - }; - - SceneJS.Renderer.prototype.getColorMask = function() { - return this._core.colorMask ? { - r : this._core.colorMask.r, - g : this._core.colorMask.g, - b : this._core.colorMask.b, - a : this._core.colorMask.a - } : undefined; - }; - - SceneJS.Renderer.prototype._compile = function() { - -// if (this._core.dirty) { -// this._core.props = createProps(this._core); -// this._core.dirty = false; -// } -// -// this._engine.display.renderer = coreStack[stackLen++] = this._core; - this._compileNodes(); - //this._engine.display.renderer = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; -})();/** - * @class The root node of a scenegraph - * @extends SceneJS.Node - * - */ - -SceneJS.Scene = SceneJS_NodeFactory.createNodeType("scene"); - -SceneJS.Scene.prototype._init = function (params) { - - if (params.tagMask) { - this.setTagMask(params.tagMask); - } - - this._tagSelector = null; -}; - - -/** - * Simulate a lost WebGL context for testing purposes. - * Only works if the simulateWebGLLost was given as an option to {@link SceneJS.createScene}. - */ -SceneJS.Scene.prototype.loseWebGLContext = function () { - this._engine.loseWebGLContext(); -}; - - -/** - * Returns the HTML canvas for this scene - * @return {HTMLCanvas} The canvas - */ -SceneJS.Scene.prototype.getCanvas = function () { - return this._engine.canvas.canvas; -}; - -/** - * Returns the WebGL context for this scene - */ -SceneJS.Scene.prototype.getGL = function () { - return this._engine.canvas.gl; -}; - -/** Returns the Z-buffer depth in bits of the webgl context that this scene is to bound to. - */ -SceneJS.Scene.prototype.getZBufferDepth = function () { - - var gl = this._engine.canvas.gl; - - return gl.getParameter(gl.DEPTH_BITS); -}; - -/** - * Sets a regular expression to select which of the scene subgraphs that are rooted by {@link SceneJS.Tag} nodes are included in scene renders - * @param {String} tagMask Regular expression string to match on the tag attributes of {@link SceneJS.Tag} nodes - * @see #getTagMask - * @see SceneJS.Tag - */ -SceneJS.Scene.prototype.setTagMask = function (tagMask) { - - if (!this._tagSelector) { - this._tagSelector = {}; - } - - this._tagSelector.mask = tagMask; - this._tagSelector.regex = tagMask ? new RegExp(tagMask) : null; - - this._engine.display.selectTags(this._tagSelector); -}; - -/** - * Gets the regular expression which will select which of the scene subgraphs that are rooted by {@link SceneJS.Tag} nodes are included in scene renders - * @see #setTagMask - * @see SceneJS.Tag - * @returns {String} Regular expression string that will be matched on the tag attributes of {@link SceneJS.Tag} nodes - */ -SceneJS.Scene.prototype.getTagMask = function () { - return this._tagSelector ? this._tagSelector.mask : null; -}; - -/** - * Render a single frame if new frame pending, or force a new frame - * Returns true if frame rendered - */ -SceneJS.Scene.prototype.renderFrame = function (params) { - return this._engine.renderFrame(params); -}; - -/** - * Starts the render loop for this scene - */ -SceneJS.Scene.prototype.start = function (params) { - this._engine.start(params); -}; - -/** - * Pauses/unpauses current render loop that was started with {@link #start}. After this, {@link #isRunning} will return false. - * @param {Boolean} doPause Indicates whether to pause or unpause the render loop - */ -SceneJS.Scene.prototype.pause = function (doPause) { - this._engine.pause(doPause); -}; - -/** - * Returns true if the scene's render loop is currently running. - * @returns {Boolean} True when scene render loop is running - */ -SceneJS.Scene.prototype.isRunning = function () { - return this._engine.running; -}; - -/** - * Picks whatever geometry will be rendered at the given canvas coordinates. - */ -SceneJS.Scene.prototype.pick = function (canvasX, canvasY, options) { - var result = this._engine.pick(canvasX, canvasY, options); - if (result) { - this._engine.events.fireEvent("pick", result); - return result; - } -}; - -/** - * Scene node's destroy handler, called by {@link SceneJS_node#destroy} - * @private - */ -SceneJS.Scene.prototype._destroy = function () { - - if (!this.destroyed) { - - delete SceneJS._engines[this.id]; // HACK: circular dependency - SceneJS._engineIds.removeItem(this.id); // HACK: circular dependency - - this.destroyed = true; - } -}; - -/** - * Returns true if scene active, ie. not destroyed. A destroyed scene becomes active again - * when you render it. - */ -SceneJS.Scene.prototype.isActive = function () { - return !this._engine.destroyed; -}; - -/** - * Stops current render loop that was started with {@link #start}. After this, {@link #isRunning} will return false. - */ -SceneJS.Scene.prototype.stop = function () { - this._engine.stop(); -}; - -/** Determines if node exists in this scene - * @deprecated - */ -SceneJS.Scene.prototype.containsNode = function (nodeId) { - return !!this._engine.findNode(nodeId); -}; - -/** - * Finds nodes in this scene that have nodes IDs matching the given regular expression - * - * @param {String} nodeIdRegex Regular expression to match on node IDs - * @return {[SceneJS.Node]} Array of nodes whose IDs match the given regex - */ -SceneJS.Scene.prototype.findNodes = function (nodeIdRegex) { - return this._engine.findNodes(nodeIdRegex); -}; - -/** - * Finds the node with the given ID in this scene - * @deprecated - * @param {String} nodeId Node ID - * @param {Function} callback Callback through which we'll get the node asynchronously if it's being instantiated on-demand from a node type plugin - * @return {SceneJS.Node} The node if found, else null - */ -SceneJS.Scene.prototype.findNode = function (nodeId, callback) { - return this._engine.getNode(nodeId, callback); -}; - -/** - * @function Finds the node with the given ID in this scene - * @param {String} nodeId Node ID - * @param {Function} callback Callback through which we'll get the node asynchronously if it's being instantiated on-demand from a node type plugin - * @return {SceneJS.Node} The node if found, else null - */ -SceneJS.Scene.prototype.getNode = function (nodeId, callback) { - var node = this._engine.findNode(nodeId); - if (node) { - if (callback) { - callback(node); - } - return node; - } else { - if (!callback) { - return null; - } - // Subscribe to instantiation of node from plugin - this.once("nodes/" + nodeId, callback); - } -}; - -/** - * Returns the current status of this scene. - * - * When the scene has been destroyed, the returned status will be a map like this: - * - * { - * destroyed: true - * } - * - * Otherwise, the status will be: - * - * { - * numLoading: Number // Number of asset loads (eg. texture, geometry stream etc.) currently in progress - * } - * - */ -SceneJS.Scene.prototype.getStatus = function () { - return (this._engine.destroyed) - ? { destroyed:true } - : SceneJS._shallowClone(SceneJS_sceneStatusModule.sceneStatus[this.id]); -}; -new (function() { - - /** - * The default state core singleton for {@link SceneJS.Shader} nodes - */ - var defaultCore = { - type: "shader", - stateId: SceneJS._baseStateId++, - hash: "", - empty: true, - shader : {} - }; - - var idStack = []; - var shaderVertexCodeStack = []; - var shaderVertexHooksStack = []; - var shaderFragmentCodeStack = []; - var shaderFragmentHooksStack = []; - var shaderParamsStack = []; - - var stackLen = 0; - - var dirty = true; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function(params) { - - params.engine.display.shader = defaultCore; - - stackLen = 0; - - dirty = true; - }); - - SceneJS_events.addListener( - SceneJS_events.OBJECT_COMPILING, - function(params) { - if (dirty) { - - if (stackLen > 0) { - - var core = { - type: "shader", - stateId: idStack[stackLen - 1], - hash: idStack.slice(0, stackLen).join("."), - - shaders: { - fragment: { - code: shaderFragmentCodeStack.slice(0, stackLen).join("\n"), - hooks: combineMapStack(shaderFragmentHooksStack) - }, - vertex: { - code: shaderVertexCodeStack.slice(0, stackLen).join("\n"), - hooks: combineMapStack(shaderVertexHooksStack) - } - }, - - paramsStack: shaderParamsStack.slice(0, stackLen) - }; - - params.display.shader = core; - - } else { - - params.display.shader = defaultCore; - } - - dirty = false; - } - }); - - function combineMapStack(maps) { - var map1; - var map2 = {}; - var name; - for (var i = 0; i < stackLen; i++) { - map1 = maps[i]; - for (name in map1) { - if (map1.hasOwnProperty(name)) { - map2[name] = map1[name]; - } - } - } - return map2; - } - - function pushHooks(hooks, hookStacks) { - var stack; - for (var key in hooks) { - if (hooks.hasOwnProperty(key)) { - stack = hookStacks[key]; - if (!stack) { - stack = hookStacks[key] = []; - } - stack.push(hooks[key]); - } - } - } - - SceneJS.Shader = SceneJS_NodeFactory.createNodeType("shader"); - - SceneJS.Shader.prototype._init = function(params) { - if (this._core.useCount == 1) { // This node is the resource definer - this._setShaders(params.shaders); - this.setParams(params.params); - } - }; - - SceneJS.Shader.prototype._setShaders = function(shaders) { - shaders = shaders || []; - this._core.shaders = {}; - var shader; - - for (var i = 0, len = shaders.length; i < len; i++) { - shader = shaders[i]; - - if (!shader.stage) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "shader 'stage' attribute expected"); - } - - var code; - if (shader.code) { - if (SceneJS._isArray(shader.code)) { - code = shader.code.join(""); - } else { - code = shader.code; - } - } - - this._core.shaders[shader.stage] = { - code: code, - hooks: shader.hooks - }; - } - }; - - SceneJS.Shader.prototype.setParams = function(params) { - params = params || {}; - var coreParams = this._core.params; - if (!coreParams) { - coreParams = this._core.params = {}; - } - for (var name in params) { - if (params.hasOwnProperty(name)) { - coreParams[name] = params[name]; - } - } - this._engine.display.imageDirty = true; - }; - - SceneJS.Shader.prototype.getParams = function() { - var coreParams = this._core.params; - if (!coreParams) { - return {}; - } - var params = {}; - for (var name in coreParams) { - if (coreParams.hasOwnProperty(name)) { - params[name] = coreParams[name]; - } - } - return params; - }; - - SceneJS.Shader.prototype._compile = function() { - - idStack[stackLen] = this._core.coreId; // Draw list node tied to core, not node - - var shaders = this._core.shaders; - - var fragment = shaders.fragment || {}; - var vertex = shaders.vertex || {}; - - shaderFragmentCodeStack[stackLen] = fragment.code || ""; - shaderFragmentHooksStack[stackLen] = fragment.hooks || {}; - - shaderVertexCodeStack[stackLen] = vertex.code || ""; - shaderVertexHooksStack[stackLen] = vertex.hooks || {}; - - shaderParamsStack[stackLen] = this._core.params || {}; - - stackLen++; - dirty = true; - - this._compileNodes(); - - stackLen--; - dirty = true; - }; - -})();new (function() { - - /** - * The default state core singleton for {@link SceneJS.ShaderParams} nodes - */ - var defaultCore = { - type: "shaderParams", - stateId: SceneJS._baseStateId++, - empty: true - }; - - var idStack = []; - var shaderParamsStack = []; - var stackLen = 0; - var dirty; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function(params) { - - params.engine.display.shaderParams = defaultCore; - - stackLen = 0; - dirty = true; - }); - - SceneJS_events.addListener( - SceneJS_events.OBJECT_COMPILING, - function(params) { - if (dirty) { - - if (stackLen > 0) { - var core = { - type: "shaderParams", - stateId: idStack[stackLen - 1], - paramsStack: shaderParamsStack.slice(0, stackLen) - }; - params.display.shaderParams = core; - - } else { - params.display.shaderParams = defaultCore; - } - - dirty = false; - } - }); - - SceneJS.ShaderParams = SceneJS_NodeFactory.createNodeType("shaderParams"); - - SceneJS.ShaderParams.prototype._init = function(params) { - if (this._core.useCount == 1) { // This node is the resource definer - this.setParams(params.params); - } - }; - - SceneJS.ShaderParams.prototype.setParams = function(params) { - params = params || {}; - var core = this._core; - if (!core.params) { - core.params = {}; - } - for (var name in params) { - if (params.hasOwnProperty(name)) { - core.params[name] = params[name]; - } - } - this._engine.display.imageDirty = true; - }; - - SceneJS.ShaderParams.prototype.getParams = function() { - var coreParams = this._core.params; - if (!coreParams) { - return {}; - } - var params = {}; - for (var name in coreParams) { - if (coreParams.hasOwnProperty(name)) { - params[name] = coreParams[name]; - } - } - return params; - }; - - SceneJS.ShaderParams.prototype._compile = function() { - - idStack[stackLen] = this._core.coreId; // Tie draw list state to core, not to scene node - shaderParamsStack[stackLen] = this._core.params; - stackLen++; - dirty = true; - - this._compileNodes(); - - stackLen--; - dirty = true; - }; - -})();(function() { - - /** - * The default state core singleton for {@link SceneJS.Tag} nodes - */ - var defaultCore = { - type: "tag", - stateId: SceneJS._baseStateId++, - tag : null - }; - - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function(params) { - params.engine.display.tag = defaultCore; - stackLen = 0; - }); - - /** - * @class Scene graph node which assigns a symbolic tag name to the {@link SceneJS.Geometry} nodes in its subgraph. - * The subgraph can then be included or excluded from scene rendering using {@link SceneJS.Scene#setTagMask}. - * @extends SceneJS.Node - */ - SceneJS.Tag = SceneJS_NodeFactory.createNodeType("tag"); - - SceneJS.Tag.prototype._init = function(params) { - if (this._core.useCount == 1) { // This node defines the resource - if (!params.tag) { - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_CONFIG_EXPECTED, - "tag node attribute missing : 'tag'"); - } - this.setTag(params.tag); - } - }; - - SceneJS.Tag.prototype.setTag = function(tag) { - - var core = this._core; - - core.tag = tag; - core.pattern = null; // To be recomputed - core.matched = false; // To be rematched - - this._engine.display.drawListDirty = true; - }; - - SceneJS.Tag.prototype.getTag = function() { - return this._core.tag; - }; - - SceneJS.Tag.prototype._compile = function() { - this._engine.display.tag = coreStack[stackLen++] = this._core; - this._compileNodes(); - this._engine.display.tag = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; -})();/** - * @class Scene graph node which defines textures to apply to the objects in its subgraph - * @extends SceneJS.Node - */ -new (function () { - - var imageBasePath = window.location.hostname + window.location.pathname; - - /** - * The default state core singleton for {@link SceneJS.Texture} nodes - */ - var defaultCore = { - type:"texture", - stateId:SceneJS._baseStateId++, - empty:true, - hash:"" - }; - - var coreStack = []; - var stackLen = 0; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function (params) { - params.engine.display.texture = defaultCore; - stackLen = 0; - }); - - /** - * @class Scene graph node which defines one or more textures to apply to the {@link SceneJS.Geometry} nodes in its subgraph - * @extends SceneJS.Node - */ - SceneJS.Texture = SceneJS_NodeFactory.createNodeType("texture"); - - SceneJS.Texture.prototype._init = function (params) { - - if (this._core.useCount == 1) { // This node is the resource definer - - this._core.layers = []; - this._core.params = {}; - - var waitForLoad = !!params.waitForLoad; - - if (!params.layers) { - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_CONFIG_EXPECTED, - "texture layers missing"); - } - - if (!SceneJS._isArray(params.layers)) { - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_CONFIG_EXPECTED, - "texture layers should be an array"); - } - - var layerParams; - var gl = this._engine.canvas.gl; - - for (var i = 0; i < params.layers.length; i++) { - - layerParams = params.layers[i]; - - if (!layerParams.source && !layerParams.uri && !layerParams.src && !layerParams.framebuf && !layerParams.video) { - - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_CONFIG_EXPECTED, - "texture layer " + i + " has no uri, src, source, framebuf, video or canvasId specified"); - } - - if (layerParams.applyFrom) { - - if (layerParams.applyFrom != "uv" && - layerParams.applyFrom != "uv2" && - layerParams.applyFrom != "normal" && - layerParams.applyFrom != "geometry") { - - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_CONFIG_EXPECTED, - "texture layer " + i + " applyFrom value is unsupported - " + - "should be either 'uv', 'uv2', 'normal' or 'geometry'"); - } - } - - if (layerParams.applyTo) { - - if (layerParams.applyTo != "baseColor" && // Colour map (deprecated) - layerParams.applyTo != "color" && // Colour map - layerParams.applyTo != "specular" && // Specular map - layerParams.applyTo != "emit" && // Emission map - layerParams.applyTo != "alpha" && // Alpha map - layerParams.applyTo != "normals") { - - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_CONFIG_EXPECTED, - "texture layer " + i + " applyTo value is unsupported - " + - "should be either 'color', 'baseColor', 'specular' or 'normals'"); - } - } - - if (layerParams.blendMode) { - - if (layerParams.blendMode != "add" && layerParams.blendMode != "multiply") { - - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_CONFIG_EXPECTED, - "texture layer " + i + " blendMode value is unsupported - " + - "should be either 'add' or 'multiply'"); - } - } - - if (layerParams.applyTo == "color") { - layerParams.applyTo = "baseColor"; - } - - var layer = SceneJS._apply(layerParams, { - waitForLoad:waitForLoad, - texture:null, - applyFrom:layerParams.applyFrom || "uv", - applyTo:layerParams.applyTo || "baseColor", - blendMode:layerParams.blendMode || "multiply", - blendFactor:(layerParams.blendFactor != undefined && layerParams.blendFactor != null) ? layerParams.blendFactor : 1.0, - translate:{ x:0, y:0}, - scale:{ x:1, y:1 }, - rotate:{ z:0.0 } - }); - - this._core.layers.push(layer); - - this._setLayerTransform(layerParams, layer); - - if (layer.framebuf) { // Create from a framebuf node preceeding this texture in the scene graph - - var targetNode = this._engine.findNode(layer.framebuf); - - if (targetNode && targetNode.type == "framebuf") { - layer.texture = targetNode._core.framebuf.getTexture(); // TODO: what happens when the framebuf is destroyed? - } - - } else { // Create from texture node's layer configs - this._loadLayerTexture(gl, layer); - } - } - - var self = this; - - /** - * WebGL restored handler - rebuilds the texture layers - */ - this._core.webglRestored = function () { - - var layers = self._core.layers; - var gl = self._engine.canvas.gl; - - for (var i = 0, len = layers.length; i < len; i++) { - self._loadLayerTexture(gl, layers[i]); - } - }; - } - }; - - SceneJS.Texture.prototype._loadLayerTexture = function (gl, layer) { - - SceneJS_sceneStatusModule.nodeLoading(this); - - this._engine.nodeLoading(this); - - this._fireEvent("loading"); - - var self = this; - - var sourceConfigs = layer.source; - - if (sourceConfigs) { - - if (!sourceConfigs.type) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "texture layer config expected: source.type"); - } - - SceneJS.Plugins.getPlugin( - "texture", - sourceConfigs.type, - function (plugin) { - - if (!plugin.getSource) { - throw SceneJS_error.fatalError( - SceneJS.errors.PLUGIN_INVALID, - "texture: 'getSource' method missing on plugin for texture source type '" + sourceConfigs.type + "'."); - } - - var source = plugin.getSource({ gl:gl }); - - if (!source.subscribe) { - throw SceneJS_error.fatalError( - SceneJS.errors.PLUGIN_INVALID, - "texture: 'subscribe' method missing on plugin for texture source type '" + sourceConfigs.type + "'"); - } - - source.subscribe(// Get notification whenever source updates the texture - (function () { - var loaded = false; - return function (texture) { - if (!loaded) { // Texture first initialised - create layer - loaded = true; - self._setLayerTexture(gl, layer, texture); - - } else { // Texture updated - layer already has the handle to it, so just signal a redraw - self._engine.display.imageDirty = true; - } - }; - })()); - - if (source.configure) { - source.configure(sourceConfigs); // Configure the source, which may cause it to update the texture - } - - layer._source = source; - }); - - } else { - - /* Load from URL - */ - var image = new Image(); - - image.onload = function () { - var texture = gl.createTexture(); - gl.bindTexture(gl.TEXTURE_2D, texture); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, self._ensureImageSizePowerOfTwo(image)); - self._setLayerTexture(gl, layer, texture); - }; - - var src = layer.uri || layer.src; - - if (src.indexOf("data") == 0) { // Image data - image.src = src; - } else { // Image file - image.crossOrigin = "Anonymous"; - image.src = src; - } - } - }; - - SceneJS.Texture.prototype._ensureImageSizePowerOfTwo = function (image) { - - if (!this._isPowerOfTwo(image.width) || !this._isPowerOfTwo(image.height)) { - - var canvas = document.createElement("canvas"); - canvas.width = this._nextHighestPowerOfTwo(image.width); - canvas.height = this._nextHighestPowerOfTwo(image.height); - - var ctx = canvas.getContext("2d"); - - ctx.drawImage(image, - 0, 0, image.width, image.height, - 0, 0, canvas.width, canvas.height); - - image = canvas; - image.crossOrigin = ""; - } - return image; - }; - - SceneJS.Texture.prototype._isPowerOfTwo = function (x) { - return (x & (x - 1)) == 0; - }; - - SceneJS.Texture.prototype._nextHighestPowerOfTwo = function (x) { - --x; - for (var i = 1; i < 32; i <<= 1) { - x = x | x >> i; - } - return x + 1; - }; - - SceneJS.Texture.prototype._setLayerTexture = function (gl, layer, texture) { - - layer.texture = new SceneJS_webgl_Texture2D(gl, { - texture:texture, // WebGL texture object - minFilter:this._getGLOption("minFilter", gl, layer, gl.LINEAR_MIPMAP_NEAREST), - magFilter:this._getGLOption("magFilter", gl, layer, gl.LINEAR), - wrapS:this._getGLOption("wrapS", gl, layer, gl.CLAMP_TO_EDGE), - wrapT:this._getGLOption("wrapT", gl, layer, gl.CLAMP_TO_EDGE), - isDepth:this._getOption(layer.isDepth, false), - depthMode:this._getGLOption("depthMode", gl, layer, gl.LUMINANCE), - depthCompareMode:this._getGLOption("depthCompareMode", gl, layer, gl.COMPARE_R_TO_TEXTURE), - depthCompareFunc:this._getGLOption("depthCompareFunc", gl, layer, gl.LEQUAL), - flipY:this._getOption(layer.flipY, true), - width:this._getOption(layer.width, 1), - height:this._getOption(layer.height, 1), - internalFormat:this._getGLOption("internalFormat", gl, layer, gl.LEQUAL), - sourceFormat:this._getGLOption("sourceType", gl, layer, gl.ALPHA), - sourceType:this._getGLOption("sourceType", gl, layer, gl.UNSIGNED_BYTE), - update:null - }); - - SceneJS_sceneStatusModule.nodeLoaded(this); - - this._engine.nodeLoaded(this); - - this._fireEvent("loaded"); - - if (this.destroyed) { // Node was destroyed while loading - layer.texture.destroy(); - } - - this._engine.display.imageDirty = true; - }; - - SceneJS.Texture.prototype._getGLOption = function (name, gl, layer, defaultVal) { - var value = layer[name]; - if (value == undefined) { - return defaultVal; - } - var glName = SceneJS_webgl_enumMap[value]; - if (glName == undefined) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Unrecognised value for texture node property '" + name + "' value: '" + value + "'"); - } - var glValue = gl[glName]; - // if (!glValue) { - // throw new SceneJS.errors.WebGLUnsupportedNodeConfigException( - // "This browser's WebGL does not support value of SceneJS.texture node property '" + name + "' value: '" + value + "'"); - // } - return glValue; - }; - - SceneJS.Texture.prototype._getOption = function (value, defaultVal) { - return (value == undefined) ? defaultVal : value; - }; - - /** - * Set some writeable properties on a layer - */ - SceneJS.Texture.prototype.setLayer = function (cfg) { - - if (cfg.index == undefined || cfg.index == null) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Invalid texture set layer argument: index null or undefined"); - } - - if (cfg.index < 0 || cfg.index >= this._core.layers.length) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Invalid texture set layer argument: index out of range (" + this._core.layers.length + " layers defined)"); - } - - this._setLayer(parseInt(cfg.index), cfg); - - this._engine.display.imageDirty = true; - }; - - /** - * Set some writeable properties on multiple layers - */ - SceneJS.Texture.prototype.setLayers = function (layers) { - var indexNum; - for (var index in layers) { - if (layers.hasOwnProperty(index)) { - if (index != undefined || index != null) { - indexNum = parseInt(index); - if (indexNum < 0 || indexNum >= this._core.layers.length) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "Invalid texture set layer argument: index out of range (" + this._core.layers.length + " layers defined)"); - } - this._setLayer(indexNum, layers[index] || {}); - } - } - } - this._engine.display.imageDirty = true; - }; - - SceneJS.Texture.prototype._setLayer = function (index, cfg) { - - cfg = cfg || {}; - - var layer = this._core.layers[index]; - - if (cfg.blendFactor != undefined && cfg.blendFactor != null) { - layer.blendFactor = cfg.blendFactor; - } - - if (cfg.source) { - var source = layer._source; - if (source && source.configure) { - source.configure(cfg.source); - } - } - - if (cfg.translate || cfg.rotate || cfg.scale) { - this._setLayerTransform(cfg, layer); - } - }; - - SceneJS.Texture.prototype._setLayerTransform = function (cfg, layer) { - - var matrix; - var t; - - if (cfg.translate) { - var translate = cfg.translate; - if (translate.x != undefined) { - layer.translate.x = translate.x; - } - if (translate.y != undefined) { - layer.translate.y = translate.y; - } - matrix = SceneJS_math_translationMat4v([ translate.x || 0, translate.y || 0, 0]); - } - - if (cfg.scale) { - var scale = cfg.scale; - if (scale.x != undefined) { - layer.scale.x = scale.x; - } - if (scale.y != undefined) { - layer.scale.y = scale.y; - } - t = SceneJS_math_scalingMat4v([ scale.x || 1, scale.y || 1, 1]); - matrix = matrix ? SceneJS_math_mulMat4(matrix, t) : t; - } - - if (cfg.rotate) { - var rotate = cfg.rotate; - if (rotate.z != undefined) { - layer.rotate.z = rotate.z || 0; - } - t = SceneJS_math_rotationMat4v(rotate.z * 0.0174532925, [0, 0, 1]); - matrix = matrix ? SceneJS_math_mulMat4(matrix, t) : t; - } - - if (matrix) { - layer.matrix = matrix; - if (!layer.matrixAsArray) { - layer.matrixAsArray = new Float32Array(layer.matrix); - } else { - layer.matrixAsArray.set(layer.matrix); - } - - layer.matrixAsArray = new Float32Array(layer.matrix); // TODO - reinsert into array - } - }; - - SceneJS.Texture.prototype._compile = function () { - - if (!this._core.hash) { - this._makeHash(); - } - - this._engine.display.texture = coreStack[stackLen++] = this._core; - this._compileNodes(); - this._engine.display.texture = (--stackLen > 0) ? coreStack[stackLen - 1] : defaultCore; - }; - - SceneJS.Texture.prototype._makeHash = function () { - - var core = this._core; - var hash; - - if (core.layers && core.layers.length > 0) { - - var layers = core.layers; - var hashParts = []; - var texLayer; - - for (var i = 0, len = layers.length; i < len; i++) { - - texLayer = layers[i]; - - hashParts.push("/"); - hashParts.push(texLayer.applyFrom); - hashParts.push("/"); - hashParts.push(texLayer.applyTo); - hashParts.push("/"); - hashParts.push(texLayer.blendMode); - - if (texLayer.matrix) { - hashParts.push("/anim"); - } - } - - hash = hashParts.join(""); - - } else { - hash = ""; - } - - if (core.hash != hash) { - core.hash = hash; - } - }; - - SceneJS.Texture.prototype._destroy = function () { - if (this._core.useCount == 1) { // Last resource user - var layers = this._core.layers; - var layer; - var source; - for (var i = 0, len = layers.length; i < len; i++) { - layer = layers[i]; - if (layer.texture) { - layer.texture.destroy(); - } - source = layer._source; - if (source && source.destroy) { - source.destroy(); - } - } - } - }; - -})();/** - * @class Scene graph node which defines the modelling transform to apply to the objects in its subgraph - * @extends SceneJS.Node - */ -SceneJS.XForm = SceneJS_NodeFactory.createNodeType("xform"); - -SceneJS.XForm.prototype._init = function (params) { - - if (this._core.useCount == 1) { // This node is the resource definer - - SceneJS_modelXFormStack.buildCore(this._core); - - this.setElements(params.elements); - } -}; - -/** - * Get Model matrix - * @return {*} - */ -SceneJS.XForm.prototype.getModelMatrix = function() { - if (this._core.dirty) { - this._core.build(); - } - return this._core.matrix; -}; - -/** - * Get World matrix. That's the multiplication of this node's Model matrix by the World matrix of the the next - * tranform (scale, XForm, translate etc) node on the path to the scene root. - * @return {*} - */ -SceneJS.XForm.prototype.getWorldMatrix = function() { - if (this._core.dirty) { - this._core.build(); - } - return Array.apply( [], this._core.mat); -}; - - -SceneJS.XForm.prototype.setElements = function (elements) { - - elements = elements || SceneJS_math_identityMat4(); - - if (elements.length != 16) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "SceneJS.XForm elements should number 16"); - } - - var core = this._core; - - if (!core.matrix) { - core.matrix = elements; - - } else { - - for (var i = 0; i < 16; i++) { - core.matrix[i] = elements[i]; - } - } - -// core.mat.set(core.matrix); -// core.normalMat.set( -// SceneJS_math_transposeMat4( -// SceneJS_math_inverseMat4(core.matrix, SceneJS_math_mat4()))); - - - core.setDirty(); - - this._engine.display.imageDirty = true; - - return this; -}; - -SceneJS.XForm.prototype._compile = function () { - SceneJS_modelXFormStack.push(this._core); - this._compileNodes(); - SceneJS_modelXFormStack.pop(); -}; - -/** - * @class Scene graph node which defines a modelling transform matrix to apply to the objects in its subgraph - * @extends SceneJS.Node - */ -SceneJS.Matrix = SceneJS_NodeFactory.createNodeType("matrix"); - -SceneJS.Matrix.prototype._init = function(params) { - - if (this._core.useCount == 1) { // This node is the resource definer - - SceneJS_modelXFormStack.buildCore(this._core); - - this.setElements(params.elements); - } -}; - -/** - * Get Model matrix - * @return {*} - */ -SceneJS.Matrix.prototype.getModelMatrix = function() { - if (this._core.dirty) { - this._core.build(); - } - return this._core.matrix; -}; - -/** - * Get World matrix. That's the multiplication of this node's Model matrix by the World matrix of the the next - * tranform (scale, matrix, translate etc) node on the path to the scene root. - * @return {*} - */ -SceneJS.Matrix.prototype.getWorldMatrix = function() { - if (this._core.dirty) { - this._core.build(); - } - return Array.apply( [], this._core.mat); -}; - -/** - * Sets the matrix elements - * @type {Function} - */ -SceneJS.Matrix.prototype.setMatrix = function(elements) { - - elements = elements || SceneJS_math_identityMat4(); - - if (elements.length != 16) { - throw SceneJS_error.fatalError( - SceneJS.errors.ILLEGAL_NODE_CONFIG, - "SceneJS.Matrix elements should number 16"); - } - - var core = this._core; - - if (!core.matrix) { - core.matrix = elements; - - } else { - - for (var i = 0; i < 16; i++) { - core.matrix[i] = elements[i]; - } - } - - core.setDirty(); - - this._engine.display.imageDirty = true; - - return this; -}; - -/** - * Sets the matrix elements - * @deprecated - * @type {Function} - */ -SceneJS.Matrix.prototype.setElements = SceneJS.Matrix.prototype.setMatrix; - -SceneJS.Matrix.prototype._compile = function() { - SceneJS_modelXFormStack.push(this._core); - this._compileNodes(); - SceneJS_modelXFormStack.pop(); -}; -/** - * @class Scene graph node which defines a rotation modelling transform to apply to the objects in its subgraph - * @extends SceneJS.Node - */ -SceneJS.Rotate = SceneJS_NodeFactory.createNodeType("rotate"); - -SceneJS.Rotate.prototype._init = function(params) { - - if (this._core.useCount == 1) { // This node is the resource definer - - SceneJS_modelXFormStack.buildCore(this._core); - - this.setMultOrder(params.multOrder); - - this.setAngle(params.angle); - - this.setXYZ({ - x: params.x, - y: params.y, - z: params.z - }); - - var core = this._core; - - this._core.buildMatrix = function() { - core.matrix = SceneJS_math_rotationMat4v(core.angle * Math.PI / 180.0, [core.x, core.y, core.z]); - }; - } -}; - -/** - * Get Model matrix - * @return {*} - */ -SceneJS.Rotate.prototype.getModelMatrix = function() { - if (this._core.dirty) { - this._core.build(); - } - return this._core.matrix; -}; - -/** - * Get World matrix. That's the multiplication of this node's Model matrix by the World matrix of the the next - * tranform (scale, rotate, translate etc) node on the path to the scene root. - * @return {*} - */ -SceneJS.Rotate.prototype.getWorldMatrix = function() { - if (this._core.dirty) { - this._core.build(); - } - return Array.apply( [], this._core.mat); -}; - -/** - * Sets the multiplication order of this node's transform matrix with respect to the parent modeling transform - * in the scene graph. - * - * @param {String} multOrder Mulplication order - "post" and "pre" - */ -SceneJS.Rotate.prototype.setMultOrder = function(multOrder) { - - multOrder = multOrder || "post"; - - if (multOrder != "post" && multOrder != "pre") { - - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_CONFIG_EXPECTED, - "Illegal multOrder for rotate node - '" + multOrder + "' should be 'pre' or 'post'"); - } - - this._core.multOrder = multOrder; - - this._core.setDirty(); - this._engine.display.imageDirty = true; -}; - -SceneJS.Rotate.prototype.setAngle = function(angle) { - this._core.angle = angle || 0; - this._core.setDirty(); - this._engine.display.imageDirty = true; -}; - -SceneJS.Rotate.prototype.getAngle = function() { - return this._core.angle; -}; - -SceneJS.Rotate.prototype.setXYZ = function(xyz) { - - xyz = xyz || {}; - - this._core.x = xyz.x || 0; - this._core.y = xyz.y || 0; - this._core.z = xyz.z || 0; - - this._core.setDirty(); - - this._engine.display.imageDirty = true; -}; - -SceneJS.Rotate.prototype.getXYZ = function() { - return { - x: this._core.x, - y: this._core.y, - z: this._core.z - }; -}; - -SceneJS.Rotate.prototype.setX = function(x) { - this._core.x = x; - this._core.setDirty(); - this._engine.display.imageDirty = true; -}; - -SceneJS.Rotate.prototype.getX = function() { - return this._core.x; -}; - -SceneJS.Rotate.prototype.setY = function(y) { - this._core.y = y; - this._core.setDirty(); - this._engine.display.imageDirty = true; -}; - -SceneJS.Rotate.prototype.getY = function() { - return this._core.y; -}; - -SceneJS.Rotate.prototype.setZ = function(z) { - this._core.z = z; - this._core.setDirty(); - this._engine.display.imageDirty = true; -}; - -SceneJS.Rotate.prototype.getZ = function() { - return this._core.z; -}; - -SceneJS.Rotate.prototype.incAngle = function(angle) { - this._core.angle += angle; - this._core.setDirty(); - this._engine.display.imageDirty = true; -}; - -SceneJS.Rotate.prototype._compile = function() { - SceneJS_modelXFormStack.push(this._core); - this._compileNodes(); - SceneJS_modelXFormStack.pop(); -}; -/** - * @class Scene graph node which defines a translation modelling transform to apply to the objects in its subgraph - * @extends SceneJS.Node - */ -SceneJS.Translate = SceneJS_NodeFactory.createNodeType("translate"); - -SceneJS.Translate.prototype._init = function(params) { - - if (this._core.useCount == 1) { // This node is the resource definer - - SceneJS_modelXFormStack.buildCore(this._core); - - this.setMultOrder(params.multOrder); - - this.setXYZ({ - x: params.x, - y: params.y, - z: params.z - }); - - var core = this._core; - - this._core.buildMatrix = function() { - core.matrix = SceneJS_math_translationMat4v([core.x, core.y, core.z], core.matrix); - }; - } -}; - -/** - * Get Model matrix - * @return {*} - */ -SceneJS.Translate.prototype.getModelMatrix = function() { - if (this._core.dirty) { - this._core.build(); - } - return this._core.matrix; -}; - -/** - * Get World matrix. That's the multiplication of this node's Model matrix by the World matrix of the the next - * tranform (scale, translate, translate etc) node on the path to the scene root. - * @return {*} - */ -SceneJS.Translate.prototype.getWorldMatrix = function() { - if (this._core.dirty) { - this._core.build(); - } - return Array.apply( [], this._core.mat); -}; - - -/** - * Sets the multiplication order of this node's transform matrix with respect to the parent modeling transform - * in the scene graph. - * - * @param {String} multOrder Mulplication order - "post" and "pre" - */ -SceneJS.Translate.prototype.setMultOrder = function(multOrder) { - - multOrder = multOrder || "post"; - - if (multOrder != "post" && multOrder != "pre") { - - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_CONFIG_EXPECTED, - "Illegal multOrder for translate node - '" + multOrder + "' should be 'pre' or 'post'"); - } - - this._core.multOrder = multOrder; - - this._core.setDirty(); - - this._engine.display.imageDirty = true; -}; - -SceneJS.Translate.prototype.setXYZ = function(xyz) { - - xyz = xyz || {}; - - this._core.x = xyz.x || 0; - this._core.y = xyz.y || 0; - this._core.z = xyz.z || 0; - - this._core.setDirty(); - - this._engine.display.imageDirty = true; - - return this; -}; - -SceneJS.Translate.prototype.getXYZ = function() { - return { - x: this._core.x, - y: this._core.y, - z: this._core.z - }; -}; - -SceneJS.Translate.prototype.setX = function(x) { - this._core.x = x; - this._core.setDirty(); - this._engine.display.imageDirty = true; - return this; -}; - -SceneJS.Translate.prototype.getX = function() { - return this._core.x; -}; - -SceneJS.Translate.prototype.setY = function(y) { - this._core.y = y; - this._core.setDirty(); - this._engine.display.imageDirty = true; - return this; -}; - -SceneJS.Translate.prototype.getY = function() { - return this._core.y; -}; - -SceneJS.Translate.prototype.setZ = function(z) { - this._core.z = z; - this._core.setDirty(); - this._engine.display.imageDirty = true; - return this; -}; - -SceneJS.Translate.prototype.getZ = function() { - return this._core.z; -}; - -SceneJS.Translate.prototype.incX = function(x) { - this._core.x += x; - this._core.setDirty(); - this._engine.display.imageDirty = true; - return this; -}; - -SceneJS.Translate.prototype.incY = function(y) { - this._core.y += y; - this._core.setDirty(); - this._engine.display.imageDirty = true; - return this; -}; - -SceneJS.Translate.prototype.incZ = function(z) { - this._core.z += z; - this._core.setDirty(); - this._engine.display.imageDirty = true; - return this; -}; - -SceneJS.Translate.prototype._compile = function() { - SceneJS_modelXFormStack.push(this._core); - this._compileNodes(); - SceneJS_modelXFormStack.pop(); -}; -/** - * @class Scene graph node which defines a rotation modelling transform to apply to the objects in its subgraph - * @extends SceneJS.Node - */ -SceneJS.Scale = SceneJS_NodeFactory.createNodeType("scale"); - -SceneJS.Scale.prototype._init = function(params) { - - if (this._core.useCount == 1) { // This node is the resource definer - - SceneJS_modelXFormStack.buildCore(this._core); - - this.setMultOrder(params.multOrder); - - this.setXYZ({ - x: params.x, - y: params.y, - z: params.z - }); - - var core = this._core; - - this._core.buildMatrix = function() { - core.matrix = SceneJS_math_scalingMat4v([core.x, core.y, core.z]); - }; - } -}; - -/** - * Get Model matrix - * @return {*} - */ -SceneJS.Scale.prototype.getModelMatrix = function() { - if (this._core.dirty) { - this._core.build(); - } - return this._core.matrix; -}; - -/** - * Get World matrix. That's the multiplication of this node's Model matrix by the World matrix of the the next - * tranform (scale, scale, translate etc) node on the path to the scene root. - * @return {*} - */ -SceneJS.Scale.prototype.getWorldMatrix = function() { - if (this._core.dirty) { - this._core.build(); - } - return Array.apply( [], this._core.mat); -}; - - -/** - * Sets the multiplication order of this node's transform matrix with respect to the parent modeling transform - * in the scene graph. - * - * @param {String} multOrder Mulplication order - "post" and "pre" - */ -SceneJS.Scale.prototype.setMultOrder = function(multOrder) { - - multOrder = multOrder || "post"; - - if (multOrder != "post" && multOrder != "pre") { - - throw SceneJS_error.fatalError( - SceneJS.errors.NODE_CONFIG_EXPECTED, - "Illegal multOrder for scale node - '" + multOrder + "' should be 'pre' or 'post'"); - } - - this._core.multOrder = multOrder; - - this._core.setDirty(); - this._engine.display.imageDirty = true; -}; - -SceneJS.Scale.prototype.getAngle = function() { - return this._core.angle; -}; - -SceneJS.Scale.prototype.setXYZ = function(xyz) { - - xyz = xyz || {}; - - this._core.x = xyz.x || 0; - this._core.y = xyz.y || 0; - this._core.z = xyz.z || 0; - - this._core.setDirty(); - - this._engine.display.imageDirty = true; -}; - -SceneJS.Scale.prototype.getXYZ = function() { - return { - x: this._core.x, - y: this._core.y, - z: this._core.z - }; -}; - -SceneJS.Scale.prototype.setX = function(x) { - this._core.x = x; - this._core.setDirty(); - this._engine.display.imageDirty = true; -}; - -SceneJS.Scale.prototype.getX = function() { - return this._core.x; -}; - -SceneJS.Scale.prototype.setY = function(y) { - this._core.y = y; - this._core.setDirty(); - this._engine.display.imageDirty = true; -}; - -SceneJS.Scale.prototype.getY = function() { - return this._core.y; -}; - -SceneJS.Scale.prototype.setZ = function(z) { - this._core.z = z; - this._core.setDirty(); - this._engine.display.imageDirty = true; -}; - -SceneJS.Scale.prototype.getZ = function() { - return this._core.z; -}; - -SceneJS.Scale.prototype.incX = function(x) { - this._core.x += x; - this._core.setDirty(); - this._engine.display.imageDirty = true; -}; - -SceneJS.Scale.prototype.incY = function(y) { - this._core.y += y; - this._core.matrixDirty = true; -}; - -SceneJS.Scale.prototype.incZ = function(z) { - this._core.z += z; - this._core.setDirty(); - this._engine.display.imageDirty = true; -}; - -SceneJS.Scale.prototype._compile = function() { - SceneJS_modelXFormStack.push(this._core); - this._compileNodes(); - SceneJS_modelXFormStack.pop(); -}; -/** - * Provides a model transform stack in front of the renderer. - * Nodes peek push and pop to the stack, while the renderer peeks at - * the transform on the top of the stack whenever it builds a renderer node. - * - */ -var SceneJS_modelXFormStack = new (function () { - - var defaultMatrix = SceneJS_math_identityMat4(); - var defaultMat = new Float32Array(defaultMatrix); - - var defaultNormalMatrix = SceneJS_math_transposeMat4( - SceneJS_math_inverseMat4( - SceneJS_math_identityMat4(), - SceneJS_math_mat4())); - var defaultNormalMat = new Float32Array(defaultNormalMatrix); - - var defaultCore = { - type:"xform", - stateId:SceneJS._baseStateId++, - - matrix:defaultMatrix, - mat:defaultMat, - - normalMatrix:defaultNormalMatrix, - normalMat:defaultNormalMat, - - parent:null, // Parent transform core - cores:[], // Child transform cores - numCores:0, // Number of child transform cores - dirty:false, // Does this subtree need matrices rebuilt - matrixDirty:false - }; - - var transformStack = []; - var stackLen = 0; - - this.top = defaultCore; - - var dirty; - - var self = this; - - SceneJS_events.addListener( - SceneJS_events.SCENE_COMPILING, - function () { - stackLen = 0; - self.top = defaultCore; - dirty = true; - }); - - SceneJS_events.addListener( - SceneJS_events.OBJECT_COMPILING, - function (params) { - - if (dirty) { - - if (stackLen > 0) { - - params.display.modelTransform = transformStack[stackLen - 1]; - - } else { - - params.display.modelTransform = defaultCore; - } - - dirty = false; - } - }); - - /** - * Creates a fresh transformation core - * @param core - */ - this.buildCore = function (core) { - - /* - * Transform tree node properties - */ - core.parent = null; // Parent transform core - core.cores = []; // Child transform cores - core.numCores = 0; // Number of child transform cores - core.matrixDirty = false; - - core.matrix = SceneJS_math_identityMat4(); - - core.mat = new Float32Array(core.matrix); - core.normalMat = new Float32Array( - SceneJS_math_transposeMat4( - SceneJS_math_inverseMat4(core.matrix, SceneJS_math_mat4()))); - - core.dirty = false; // Does this subtree need matrices rebuilt - - core.setDirty = function () { - - core.matrixDirty = true; - - if (core.dirty) { - // return; - } - - setDirty(core); - }; - - /** - * Recursively flag this subtree of transforms cores as dirty, - * ie. needing their matrices rebuilt. - */ - function setDirty(core) { - - core.dirty = true; - core.matrixDirty = true; - - for (var i = 0, len = core.numCores; i < len; i++) { - setDirty(core.cores[i]); - } - } - - /** - * Pre-multiply matrices at cores on path up to root into matrix at this core - */ - core.build = function () { - - if (core.matrixDirty) { - if (core.buildMatrix) { // Matrix might be explicit property on some transform node types - core.buildMatrix(); - } - core.matrixDirty = false; - } - - var parent = core.parent; - - var matrix; - - if (parent) { - - matrix = core.matrix.slice(0); - - while (parent) { - - if (parent.matrixDirty) { - - if (parent.buildMatrix) { // Matrix might be explicit property on some transform node types - parent.buildMatrix(); - } - parent.mat.set(parent.matrix); - parent.normalMat.set( - SceneJS_math_transposeMat4( - SceneJS_math_inverseMat4(parent.matrix, SceneJS_math_mat4()))); - - parent.matrixDirty = false; - } - - SceneJS_math_mulMat4(parent.matrix, matrix, matrix); - - if (!parent.dirty) { - // break; - } - - // parent.dirty = false; - - parent = parent.parent; - } - - } else { - - matrix = core.matrix; - } - - // if (!core.mat) { - // - // core.mat = new Float32Array(matrix); - // - // core.normalMat = new Float32Array( - // SceneJS_math_transposeMat4( - // SceneJS_math_inverseMat4(matrix, SceneJS_math_mat4()))); - // } else { - - core.mat.set(matrix); - - core.normalMat.set( - SceneJS_math_transposeMat4( - SceneJS_math_inverseMat4(matrix, SceneJS_math_mat4()))); - //} - - core.dirty = false; - }; - }; - - this.push = function (core) { - - transformStack[stackLen++] = core; - - core.parent = this.top; - core.dirty = true; - - if (this.top) { - this.top.cores[this.top.numCores++] = core; - } - - core.numCores = 0; - - this.top = core; - - dirty = true; - }; - - this.pop = function () { - - this.top = (--stackLen > 0) ? transformStack[stackLen - 1] : defaultCore; - - dirty = true; - }; - -})(); -SceneJS.Types = new (function () { - - /** - * Installs a node type - * @param typeName - * @param methods - */ - this.addType = function (typeName, methods) { - var type = SceneJS_NodeFactory.createNodeType(typeName, methods); - var method; - for (var methodName in methods) { - if (methods.hasOwnProperty(methodName)) { - method = methods[methodName]; - switch (methodName) { - case "init": - type.prototype._init = method; - break; - case "destroy": - type.prototype._destroy = method; - break; - default: - type.prototype[methodName] = method; - } - } - } - }; - - /** - * Tests if given node type is installed - * @param typeName - * @param methods - */ - this.hasType = function (typeName) { - return !!SceneJS_NodeFactory.nodeTypes[typeName]; - }; -})(); - -/** - * @class Renders and picks a {@link SceneJS.Scene} - * @private - * - *

A Display is a container of {@link SceneJS_Object}s which are created (or updated) by a depth-first - * compilation traversal of the nodes within a {@link SceneJS.Scene}. - * - *

Rendering Pipeline

- * - *

Conceptually, a Display implements a pipeline with the following stages:

- * - *
    - *
  1. Create or update {@link SceneJS_Object}s during scene compilation
    2. - *
  2. Organise the {@link SceneJS_Object} into an object list
    3. - *
  3. Determine the GL state sort order for the object list
    4. - *
  4. State sort the object list
    5. - *
  5. Create a draw list containing {@link SceneJS_Chunk}s belonging to the {@link SceneJS_Object}s in the object list
    6. - *
  6. Render the draw list to draw the image
    7. - *
- * - *

An update to the scene causes the pipeline to be re-executed from one of these stages, and SceneJS is designed - * so that the pipeline is always re-executed from the latest stage possible to avoid redoing work.

- * - *

For example:

- * - *
    - *
  • when an object is created or updated, we need to (re)do stages 2, 3, 4, 5 and 6
    • - *
  • when an object is made invisible, we need to redo stages 5 and 6
    • - *
  • when an object is assigned to a different scene render layer (works like a render bin), we need to redo - * stages 3, 4, 5, and 6
    • - *
  • when the colour of an object changes, or maybe when the viewpoint changes, we simplt redo stage 6
    • - *
- * - *

Object Creation

- *

The object soup (stage 1) is constructed by a depth-first traversal of the scene graph, which we think of as - * "compiling" the scene graph into the Display. As traversal visits each scene node, the node's state core is - * set on the Display (such as {@link #flags}, {@link #layer}, {@link #renderer} etc), which we think of as the - * cores that are active at that instant during compilation. Each of the scene's leaf nodes is always - * a {@link SceneJS.Geometry}, and when traversal visits one of those it calls {@link #buildObject} to create an - * object in the soup. For each of the currently active cores, the object is given a {@link SceneJS_Chunk} - * containing the WebGL calls for rendering it.

- * - *

The object also gets a shader (implemented by {@link SceneJS_Program}), taylored to render those state cores.

- * - *

Limited re-compilation may also be done on portions of a scene that have been added or sufficiently modified. When - * traversal visits a {@link SceneJS.Geometry} for which an object already exists in the display, {@link #buildObject} - * may update the {@link SceneJS_Chunk}s on the object as required for any changes in the core soup since the - * last time the object was built. If differences among the cores require it, then {@link #buildObject} may also replace - * the object's {@link SceneJS_Program} in order to render the new core soup configuration.

- * - *

So in summary, to each {@link SceneJS_Object} it builds, {@link #buildObject} creates a list of - * {@link SceneJS_Chunk}s to render the set of node state cores that are currently set on the {@link SceneJS_Display}. - * When {@link #buildObject} is re-building an existing object, it may replace one or more {@link SceneJS_Chunk}s - * for state cores that have changed from the last time the object was built or re-built.

- - *

Object Destruction

- *

Destruction of a scene graph branch simply involves a call to {@link #removeObject} for each {@link SceneJS.Geometry} - * in the branch.

- * - *

Draw List

- *

The draw list is actually comprised of three lists of state chunks: a "pick" list to render a pick buffer - * for colour-indexed GPU picking, along with an "opaque" list and "transparent" list for normal image rendering. - * For normal rendering the opaque list is rendered, then blending is enabled and the transparent list is rendered. - * The chunks in these lists are held in the state-sorted order of their objects in #_objectList, with runs of - * duplicate states removed, as mentioned.

- * - *

After a scene update, we set a flag on the display to indicate the stage we will need to redo from. The pipeline is - * then lazy-redone on the next call to #render or #pick.

- */ -var SceneJS_Display = function (cfg) { - - /* Display is bound to the lifetime of an HTML5 canvas - */ - this._canvas = cfg.canvas; - - /* Factory which creates and recycles {@link SceneJS_Program} instances - */ - this._programFactory = new SceneJS_ProgramFactory({ - canvas:cfg.canvas - }); - - /* Factory which creates and recycles {@link SceneJS.Chunk} instances - */ - this._chunkFactory = new SceneJS_ChunkFactory(); - - /** - * Node state core for the last {@link SceneJS.Flags} visited during scene graph compilation traversal - * @type Object - */ - this.flags = null; - - /** - * Node state core for the last {@link SceneJS.Layer} visited during scene graph compilation traversal - * @type Object - */ - this.layer = null; - - /** - * Node state core for the last {@link SceneJS.Renderer} visited during scene graph compilation traversal - * @type Object - */ - this.renderer = null; - - /** - * Node state core for the last {@link SceneJS.Lights} visited during scene graph compilation traversal - * @type Object - */ - this.lights = null; - - /** - * Node state core for the last {@link SceneJS.Material} visited during scene graph compilation traversal - * @type Object - */ - this.material = null; - - /** - * Node state core for the last {@link SceneJS.Texture} visited during scene graph compilation traversal - * @type Object - */ - this.texture = null; - - /** - * Node state core for the last {@link SceneJS.XForm} visited during scene graph compilation traversal - * @type Object - */ - this.modelTransform = null; - - /** - * Node state core for the last {@link SceneJS.LookAt} visited during scene graph compilation traversal - * @type Object - */ - this.viewTransform = null; - - /** - * Node state core for the last {@link SceneJS.Camera} visited during scene graph compilation traversal - * @type Object - */ - this.projTransform = null; - - /** - * Node state core for the last {@link SceneJS.Framebuf} visited during scene graph compilation traversal - * @type Object - */ - this.framebuf = null; - - /** - * Node state core for the last {@link SceneJS.Clips} visited during scene graph compilation traversal - * @type Object - */ - this.clips = null; - - /** - * Node state core for the last {@link SceneJS.MorphGeometry} visited during scene graph compilation traversal - * @type Object - */ - this.morphGeometry = null; - - /** - * Node state core for the last {@link SceneJS.Name} visited during scene graph compilation traversal - * @type Object - */ - this.name = null; - - /** - * Node state core for the last {@link SceneJS.Tag} visited during scene graph compilation traversal - * @type Object - */ - this.tag = null; - - /** - * Node state core for the last render {@link SceneJS.Node} listener encountered during scene graph compilation traversal - * @type Object - */ - this.renderListeners = null; - - /** - * Node state core for the last {@link SceneJS.Shader} visited during scene graph compilation traversal - * @type Object - */ - this.shader = null; - - /** - * Node state core for the last {@link SceneJS.ShaderParams} visited during scene graph compilation traversal - * @type Object - */ - this.shaderParams = null; - - /** - * Node state core for the last {@link SceneJS.Geometry} visited during scene graph compilation traversal - * @type Object - */ - this.geometry = null; - - /* Factory which creates and recycles {@link SceneJS_Object} instances - */ - this._objectFactory = new SceneJS_ObjectFactory(); - - /** - * The objects in the display - */ - this._objects = {}; - - /** - * Ambient color, which must be given to gl.clearColor before draw list iteration - */ - this._ambientColor = [0, 0, 0]; - - /** - * The object list, containing all elements of #_objects, kept in GL state-sorted order - */ - this._objectList = []; - this._objectListLen = 0; - - /* The "draw list", comprised collectively of three lists of state chunks belong to visible objects - * within #_objectList: a "pick" list to render a pick buffer for colour-indexed GPU picking, along with an - * "opaque" list and "transparent" list for normal image rendering. For normal rendering the opaque list is - * rendered, then blending is enabled and the transparent list is rendered. The chunks in these lists - * are held in the state-sorted order of their objects in #_objectList, with runs of duplicate states removed. - */ - this._opaqueDrawList = []; // State chunk list to render opaque objects - this._opaqueDrawListLen = 0; - - this._transparentDrawList = []; // State chunk list to render transparent objects - this._transparentDrawListLen = 0; - - this._pickDrawList = []; // State chunk list to render scene to pick buffer - this._pickDrawListLen = 0; - - /* The frame context holds state shared across a single render of the draw list, along with any results of - * the render, such as pick hits - */ - this._frameCtx = { - pickNames:[], // Pick names of objects hit during pick render - canvas:this._canvas // The canvas - }; - - /* The frame context has this facade which is given to scene node "rendered" listeners - * to allow application code to access things like transform matrices from within those listeners. - */ - this._frameCtx.renderListenerCtx = new SceneJS.RenderContext(this._frameCtx); - - /*------------------------------------------------------------------------------------- - * Flags which schedule what the display is to do when #render is next called. - *------------------------------------------------------------------------------------*/ - - /** - * Flags the object list as needing to be rebuilt from existing objects on the next call to {@link #render} or {@link #pick}. - * Setting this will cause the rendering pipeline to be executed from stage #2 (see class comment), - * causing object list rebuild, state order determination, state sort, draw list construction and image render. - * @type Boolean - */ - this.objectListDirty = true; - - /** - * Flags the object list as needing state orders to be computed on the next call to {@link #render} or {@link #pick}. - * Setting this will cause the rendering pipeline to be executed from stage #3 (see class comment), - * causing state order determination, state sort, draw list construction and image render. - * @type Boolean - */ - this.stateOrderDirty = true; - - /** - * Flags the object list as needing to be state sorted on the next call to {@link #render} or {@link #pick}. - * Setting this will cause the rendering pipeline to be executed from stage #4 (see class comment), - * causing state sort, draw list construction and image render. - * @type Boolean - */ - this.stateSortDirty = true; - - /** - * Flags the draw list as needing to be rebuilt from the object list on the next call to {@link #render} or {@link #pick}. - * Setting this will cause the rendering pipeline to be executed from stage #5 (see class comment), - * causing draw list construction and image render. - * @type Boolean - */ - this.drawListDirty = true; - - /** - * Flags the image as needing to be redrawn from the draw list on the next call to {@link #render} or {@link #pick}. - * Setting this will cause the rendering pipeline to be executed from stage #6 (see class comment), - * causing the image render. - * @type Boolean - */ - this.imageDirty = true; - - /** - * Flags the neccessity for the image buffer to be re-rendered from the draw list. - * @type Boolean - */ - this.pickBufDirty = true; // Redraw pick buffer - this.rayPickBufDirty = true; // Redraw raypick buffer -}; - -/** - * Reallocates WebGL resources for objects within this display - */ -SceneJS_Display.prototype.webglRestored = function () { - - this._programFactory.webglRestored();// Reallocate programs - - this._chunkFactory.webglRestored(); // Recache shader var locations - - var gl = this._canvas.gl; - - if (this.pickBuf) { - this.pickBuf.webglRestored(gl); // Rebuild pick buffers - } - - if (this.rayPickBuf) { - this.rayPickBuf.webglRestored(gl); - } - - this.imageDirty = true; // Need redraw -}; - -/** - * Internally creates (or updates) a {@link SceneJS_Object} of the given ID from whatever node state cores are currently set - * on this {@link SceneJS_Display}. The object is created if it does not already exist in the display, otherwise it is - * updated with the current state cores, possibly replacing cores already referenced by the object. - * - * @param {String} objectId ID of object to create or update - */ -SceneJS_Display.prototype.buildObject = function (objectId) { - - var object = this._objects[objectId]; - - if (!object) { // Create object - - object = this._objects[objectId] = this._objectFactory.getObject(objectId); - - this.objectListDirty = true; - } - - object.layer = this.layer; - object.texture = this.texture; - object.geometry = this.geometry; - object.flags = this.flags; - object.tag = this.tag; - - //if (!object.hash) { - - var hash = ([ // Build current state hash - this.geometry.hash, - this.shader.hash, - this.clips.hash, - this.morphGeometry.hash, - this.texture.hash, - this.lights.hash - - ]).join(";"); - - if (!object.program || hash != object.hash) { - - /* Get new program for object if no program or hash mismatch - */ - - if (object.program) { - this._programFactory.putProgram(object.program); - } - - object.program = this._programFactory.getProgram(hash, this); - object.hash = hash; - } - //} - - /* Build draw chunks for object - */ - this._setChunk(object, 0, "program"); // Must be first - this._setChunk(object, 1, "xform", this.modelTransform); - this._setChunk(object, 2, "lookAt", this.viewTransform); - this._setChunk(object, 3, "camera", this.projTransform); - this._setChunk(object, 4, "flags", this.flags); - this._setChunk(object, 5, "shader", this.shader); - this._setChunk(object, 6, "shaderParams", this.shaderParams); - // this._setChunk(object, 7, this.renderer, true); - this._setChunk(object, 7, "name", this.name); - this._setChunk(object, 8, "lights", this.lights); - this._setChunk(object, 9, "material", this.material); - this._setChunk(object, 10, "texture", this.texture); - this._setChunk(object, 11, "framebuf", this.framebuf); - this._setChunk(object, 12, "clips", this.clips); - this._setChunk(object, 13, "morphGeometry", this.morphGeometry); - this._setChunk(object, 14, "listeners", this.renderListeners); // Must be after the above chunks - this._setChunk(object, 15, "geometry", this.geometry); // Must be last -}; - -SceneJS_Display.prototype._setChunk = function (object, order, chunkType, core, unique) { - - var chunkId; - - if (unique) { - - chunkId = core.stateId + 1; - - } else if (core) { - - if (core.empty) { // Only set default cores for state types that have them - - var oldChunk = object.chunks[order]; - - if (oldChunk) { - this._chunkFactory.putChunk(oldChunk); // Release previous chunk to pool - } - - object.chunks[order] = null; - - return; - } - - chunkId = ((object.program.id + 1) * 50000) + core.stateId + 1; - - } else { - - chunkId = ((object.program.id + 1) * 50000); - } - - var oldChunk = object.chunks[order]; - - if (oldChunk) { - - if (oldChunk.id == chunkId) { // Avoid needless chunk reattachment - return; - } - - this._chunkFactory.putChunk(oldChunk); // Release previous chunk to pool - } - - object.chunks[order] = this._chunkFactory.getChunk(chunkId, chunkType, object.program, core); // Attach new chunk - - // Ambient light is global across everything in display, and - // can never be disabled, so grab it now because we want to - // feed it to gl.clearColor before each display list render - if (chunkType == "lights") { - this._setAmbient(core); - } -}; - -SceneJS_Display.prototype._setAmbient = function (core) { - var lights = core.lights; - var light; - for (var i = 0, len = lights.length; i < len; i++) { - light = lights[i]; - if (light.mode == "ambient") { - this._ambientColor = light.color; - } - } -}; - -/** - * Removes an object from this display - * - * @param {String} objectId ID of object to remove - */ -SceneJS_Display.prototype.removeObject = function (objectId) { - - var object = this._objects[objectId]; - - if (!object) { - return; - } - - this._programFactory.putProgram(object.program); - - object.program = null; - object.hash = null; - - this._objectFactory.putObject(object); - - delete this._objects[objectId]; - - this.objectListDirty = true; -}; - -/** - * Set a tag selector to selectively activate objects that have matching SceneJS.Tag nodes - */ -SceneJS_Display.prototype.selectTags = function (tagSelector) { - this._tagSelector = tagSelector; - this.drawListDirty = true; -}; - -/** - * Render this display. What actually happens in the method depends on what flags are set. - */ -SceneJS_Display.prototype.render = function (params) { - - params = params || {}; - - if (this.objectListDirty) { - - this._buildObjectList(); // Build object render bin - - this.objectListDirty = false; - this.stateOrderDirty = true; // Now needs state ordering - } - - if (this.stateOrderDirty) { - - this._makeStateSortKeys(); // Compute state sort order - - this.stateOrderDirty = false; - this.stateSortDirty = true; // Now needs state sorting - } - - if (this.stateSortDirty) { - - this._stateSort(); // State sort the object render bin - - this.stateSortDirty = false; - this.drawListDirty = true; // Now needs new visible object bin - } - - if (this.drawListDirty) { // Render visible list while building transparent list - - this._buildDrawList(); - - this.imageDirty = true; - } - - if (this.imageDirty || params.force) { - - this._doDrawList(false); // Render, no pick - - this.imageDirty = false; - this.pickBufDirty = true; // Pick buff will now need rendering on next pick - } -}; - -SceneJS_Display.prototype._buildObjectList = function () { - this._objectListLen = 0; - for (var objectId in this._objects) { - if (this._objects.hasOwnProperty(objectId)) { - this._objectList[this._objectListLen++] = this._objects[objectId]; - } - } -}; - -SceneJS_Display.prototype._makeStateSortKeys = function () { // TODO: state sort for sound objects? - var object; - for (var i = 0, len = this._objectListLen; i < len; i++) { - object = this._objectList[i]; - object.sortKey = object.program - ? (((object.layer.priority + 1) * 100000000) - + ((object.program.id + 1) * 100000) - + (object.texture.stateId * 1000)) - // + i // Force stability among same-priority objects across multiple sorts - : -1; // Non-visual object (eg. sound) - } -}; - -//SceneJS_Display.prototype._makeStateSortKeys = function () { // TODO: state sort for sound objects? -// var object; -// for (var i = 0, len = this._objectListLen; i < len; i++) { -// object = this._objectList[i]; -// object.sortKey = object.program -// ? (((object.layer.priority + 1) * 1000000000) -// + ((object.program.id + 1) * 1000000) -// + (object.texture.stateId * 10000) -// + (object.geometry.stateId)) -// // + i // Force stability among same-priority objects across multiple sorts -// : -1; // Non-visual object (eg. sound) -// } -//}; - -SceneJS_Display.prototype._stateSort = function () { - this._objectList.length = this._objectListLen; - this._objectList.sort(this._stateSortObjects); -}; - -SceneJS_Display.prototype._stateSortObjects = function (a, b) { - return a.sortKey - b.sortKey; -}; - -SceneJS_Display.prototype._buildDrawList = function () { - - this._lastStateId = this._lastStateId || []; - this._lastPickStateId = this._lastPickStateId || []; - - for (var i = 0; i < 20; i++) { - this._lastStateId[i] = null; - this._lastPickStateId[i] = null; - } - - this._opaqueDrawListLen = 0; - this._pickDrawListLen = 0; - this._transparentDrawListLen = 0; - - var object; - var tagMask; - var tagRegex; - var tagCore; - var flags; - var chunks; - var chunk; - var transparent; - var picking; - - if (this._tagSelector) { - tagMask = this._tagSelector.mask; - tagRegex = this._tagSelector.regex; - } - - if (!this._xpBuf) { - this._xpBuf = []; - } - this._xpBufLen = 0; - - for (var i = 0, len = this._objectListLen; i < len; i++) { - - object = this._objectList[i]; - - flags = object.flags; - - /* Cull invisible objects - */ - - if (flags.enabled === false) { // Skip disabled object - continue; - } - - if (!object.layer.enabled) { // Skip disabled layers - continue; - } - - if (tagMask) { // Skip unmatched tags. No tag matching in visible bin prevent this being done on every frame. - - tagCore = object.tag; - - if (tagCore.tag) { - - if (tagCore.mask != tagMask) { // Scene tag mask was updated since last render - tagCore.mask = tagMask; - tagCore.matches = tagRegex.test(tagCore.tag); - } - - if (!tagCore.matches) { - continue; - } - } - } - - transparent = flags.transparent; - - if (transparent) { - this._xpBuf[this._xpBufLen++] = object; - } - - /* Add object's chunks to appropriate chunk list - */ - - chunks = object.chunks; - - picking = flags.picking; - - for (var j = 0, lenj = chunks.length; j < lenj; j++) { - - chunk = chunks[j]; - - if (chunk) { - - /* - * As we apply the state chunk lists we track the ID of most types of chunk in order - * to cull redundant re-applications of runs of the same chunk - except for those chunks with a - * 'unique' flag. We don't want to cull runs of geometry chunks because they contain the GL - * drawElements calls which render the objects. - */ - - if (!transparent && chunk.draw) { - if (chunk.unique || this._lastStateId[j] != chunk.id) { - this._opaqueDrawList[this._opaqueDrawListLen++] = chunk; - this._lastStateId[j] = chunk.id; - } - } - - if (chunk.pick) { // Transparent objects are pickable - if (picking) { // Don't pick unpickable objects - if (chunk.unique || this._lastPickStateId[j] != chunk.id) { - this._pickDrawList[this._pickDrawListLen++] = chunk; - this._lastPickStateId[j] = chunk.id; - } - } - } - } - } - } - - if (this._xpBufLen > 0) { - - for (var i = 0; i < 20; i++) { - this._lastStateId[i] = null; - } - - for (var i = 0; i < this._xpBufLen; i++) { - - object = this._xpBuf[i]; - chunks = object.chunks; - - for (var j = 0, lenj = chunks.length; j < lenj; j++) { - - chunk = chunks[j]; - - if (chunk && chunk.draw) { - - if (chunk.unique || this._lastStateId[j] != chunk.id) { - this._transparentDrawList[this._transparentDrawListLen++] = chunk; - this._lastStateId[j] = chunk.id; - } - } - } - } - } - - this.drawListDirty = false; -}; - -SceneJS_Display.prototype.pick = function (params) { - - //return; - - var canvas = this._canvas.canvas; - - var hit = null; - - var canvasX = params.canvasX; - var canvasY = params.canvasY; - - /*------------------------------------------------------------- - * Pick object using normal GPU colour-indexed pick - *-----------------------------------------------------------*/ - - var pickBuf = this.pickBuf; // Lazy-create pick buffer - - if (!pickBuf) { - pickBuf = this.pickBuf = new SceneJS_PickBuffer({ canvas:this._canvas }); - this.pickBufDirty = true; // Freshly-created pick buffer is dirty - } - - this.render(); // Do any pending visible render - - pickBuf.bind(); // Bind pick buffer - - if (this.pickBufDirty) { // Render pick buffer - - pickBuf.clear(); - - this._doDrawList(true); - - this._canvas.gl.finish(); - - this.pickBufDirty = false; // Pick buffer up to date - this.rayPickBufDirty = true; // Ray pick buffer now dirty - } - - var pix = pickBuf.read(canvasX, canvasY); // Read pick buffer - var pickedObjectIndex = pix[0] + pix[1] * 256 + pix[2] * 65536; - var pickIndex = (pickedObjectIndex >= 1) ? pickedObjectIndex - 1 : -1; - - pickBuf.unbind(); // Unbind pick buffer - - var pickName = this._frameCtx.pickNames[pickIndex]; // Map pixel to name - - if (pickName) { - - hit = { - name:pickName - }; - - if (params.rayPick) { // Ray pick to find position - - var rayPickBuf = this.rayPickBuf; // Lazy-create Z-pick buffer - if (!rayPickBuf) { - rayPickBuf = this.rayPickBuf = new SceneJS_PickBuffer({ canvas:this._canvas }); - } - - rayPickBuf.bind(); - - if (this.rayPickBufDirty) { - - rayPickBuf.clear(); - - this._doDrawList(true, true); // pick, rayPick - - this.rayPickBufDirty = false; - } - - pix = rayPickBuf.read(canvasX, canvasY); - - rayPickBuf.unbind(); - - /* Read normalised device Z coordinate, which will be - * in range of [0..1] with z=0 at front - */ - var screenZ = this._unpackDepth(pix); - - var w = canvas.width; - var h = canvas.height; - - /* Calculate clip space coordinates, which will be in range - * of x=[-1..1] and y=[-1..1], with y=(+1) at top - */ - var x = (canvasX - w / 2) / (w / 2); // Calculate clip space coordinates - var y = -(canvasY - h / 2) / (h / 2); - - var projMat = this._frameCtx.cameraMat; - var viewMat = this._frameCtx.viewMat; - - var pvMat = SceneJS_math_mulMat4(projMat, viewMat, []); - var pvMatInverse = SceneJS_math_inverseMat4(pvMat, []); - - var world1 = SceneJS_math_transformVector4(pvMatInverse, [x, y, -1, 1]); - world1 = SceneJS_math_mulVec4Scalar(world1, 1 / world1[3]); - - var world2 = SceneJS_math_transformVector4(pvMatInverse, [x, y, 1, 1]); - world2 = SceneJS_math_mulVec4Scalar(world2, 1 / world2[3]); - - var dir = SceneJS_math_subVec3(world2, world1, []); - - var vWorld = SceneJS_math_addVec3(world1, SceneJS_math_mulVec4Scalar(dir, screenZ, []), []); - - hit.canvasPos = [canvasX, canvasY]; - hit.worldPos = vWorld; - } - } - - return hit; -}; - -SceneJS_Display.prototype._unpackDepth = function (depthZ) { - var vec = [depthZ[0] / 256.0, depthZ[1] / 256.0, depthZ[2] / 256.0, depthZ[3] / 256.0]; - var bitShift = [1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0]; - return SceneJS_math_dotVector4(vec, bitShift); -}; - -SceneJS_Display.prototype._doDrawList = function (pick, rayPick) { - - var frameCtx = this._frameCtx; // Reset rendering context - - frameCtx.program = null; - frameCtx.framebuf = null; - frameCtx.viewMat = null; - frameCtx.modelMat = null; - frameCtx.cameraMat = null; - frameCtx.renderer = null; - frameCtx.vertexBuf = false; - frameCtx.normalBuf = false; - frameCtx.uvBuf = false; - frameCtx.uvBuf2 = false; - frameCtx.colorBuf = false; - frameCtx.backfaces = true; - frameCtx.frontface = "ccw"; - frameCtx.pick = !!pick; - - var gl = this._canvas.gl; - - gl.viewport(0, 0, this._canvas.canvas.width, this._canvas.canvas.height); - gl.clearColor(this._ambientColor[0], this._ambientColor[1], this._ambientColor[2], 1.0); - gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT); - gl.lineWidth(1); - gl.frontFace(gl.CCW); - gl.disable(gl.CULL_FACE); - - if (pick) { // Pick - - frameCtx.pickIndex = 0; - frameCtx.rayPick = !!rayPick; - - for (var i = 0, len = this._pickDrawListLen; i < len; i++) { // Push picking chunks - this._pickDrawList[i].pick(frameCtx); - } - - } else { // Draw - - for (var i = 0, len = this._opaqueDrawListLen; i < len; i++) { // Push opaque rendering chunks - this._opaqueDrawList[i].draw(frameCtx); - } - - if (this._transparentDrawListLen > 0) { - - gl.enable(gl.BLEND); // Enable blending - gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA); - - for (var i = 0, len = this._transparentDrawListLen; i < len; i++) { // Push transparent rendering chunks - this._transparentDrawList[i].draw(frameCtx); - } - - gl.disable(gl.BLEND); // Disable blending - } - } - - gl.flush(); // Flush GL - - if (frameCtx.program) { // Unbind remaining program - //frameCtx.program.unbind(); - } - - if (frameCtx.framebuf) { // Unbind remaining frame buffer - gl.finish(); - // frameCtx.framebuf.unbind(); - } - - if (frameCtx.renderer) { // Forget last call-time renderer properties - // frameCtx.renderer.props.restoreProps(gl); - } -}; - -SceneJS_Display.prototype.destroy = function () { - this._programFactory.destroy(); -}; - -/** - * @class Manages creation, sharing and recycle of {@link SceneJS_ProgramSource} instances - * @private - */ -var SceneJS_ProgramSourceFactory = new (function () { - - this._sourceCache = {}; // Source codes are shared across all scenes - - - /** - * Get sourcecode for a program to render the given states - */ - this.getSource = function (hash, states) { - - var source = this._sourceCache[hash]; - if (source) { - source.useCount++; - return source; - } - - return this._sourceCache[hash] = new SceneJS_ProgramSource( - - hash, - - this._composePickingVertexShader(states), // pickVertexSrc - this._composePickingFragmentShader(states), // pickFragmentSrc - this._composeRenderingVertexShader(states), // drawVertexSrc - this._composeRenderingFragmentShader(states) // drawfragmentSrc - ); - }; - - /** - * Releases program source code - */ - this.putSource = function (hash) { - var source = this._sourceCache[hash]; - if (source) { - if (--source.useCount == 0) { - this._sourceCache[source.hash] = null; - } - } - }; - - this._composePickingVertexShader = function (states) { - - var customShaders = states.shader.shaders || {}; - - var customVertexShader = customShaders.vertex || {}; - var vertexHooks = customVertexShader.hooks || {}; - - var customFragmentShader = customShaders.fragment || {}; - var fragmentHooks = customFragmentShader.hooks || {}; - - var clipping = states.clips.clips.length > 0; - var morphing = !!states.morphGeometry.targets; - var normals = this._hasNormals(states); - - var src = [ - "precision mediump float;", - "attribute vec3 SCENEJS_aVertex;", - "attribute vec3 SCENEJS_aNormal;", - - "uniform mat4 SCENEJS_uMMatrix;", - "uniform mat4 SCENEJS_uMNMatrix;", - "uniform mat4 SCENEJS_uVMatrix;", - "uniform mat4 SCENEJS_uVNMatrix;", - "uniform mat4 SCENEJS_uPMatrix;" - ]; - - if (normals && (fragmentHooks.worldNormal || fragmentHooks.viewNormal)) { - src.push("varying vec3 SCENEJS_vWorldNormal;"); // Output world-space vertex normal - src.push("varying vec3 SCENEJS_vViewNormal;"); // Output world-space vertex normal - } - - // if (clipping || fragmentHooks.worldPosClip) { - src.push("varying vec4 SCENEJS_vWorldVertex;"); - // } - - - src.push("varying vec4 SCENEJS_vViewVertex;\n"); - src.push("varying vec4 SCENEJS_vProjVertex;\n"); - - src.push("uniform vec3 SCENEJS_uWorldEye;"); // World-space eye position - src.push("varying vec3 SCENEJS_vWorldEyeVec;"); - - if (customVertexShader.code) { - src.push("\n" + customVertexShader.code + "\n"); - } - - if (morphing) { - src.push("uniform float SCENEJS_uMorphFactor;"); // LERP factor for morph - if (states.morphGeometry.targets[0].vertexBuf) { // target2 has these arrays also - src.push("attribute vec3 SCENEJS_aMorphVertex;"); - } - } - - src.push("void main(void) {"); - src.push(" vec4 tmpVertex=vec4(SCENEJS_aVertex, 1.0); "); - - if (normals) { - src.push(" vec4 modelNormal = vec4(SCENEJS_aNormal, 0.0); "); - } - - if (vertexHooks.modelPos) { - src.push("tmpVertex=" + vertexHooks.modelPos + "(tmpVertex);"); - } - - if (morphing) { - if (states.morphGeometry.targets[0].vertexBuf) { - src.push(" vec4 vMorphVertex = vec4(SCENEJS_aMorphVertex, 1.0); "); - - if (vertexHooks.modelPos) { - src.push("vMorphVertex=" + vertexHooks.modelPos + "(vMorphVertex);"); - } - - src.push(" tmpVertex = vec4(mix(tmpVertex.xyz, vMorphVertex.xyz, SCENEJS_uMorphFactor), 1.0); "); - } - } - - - src.push(" tmpVertex = SCENEJS_uMMatrix * tmpVertex; "); - - if (vertexHooks.worldPos) { - src.push("tmpVertex=" + vertexHooks.worldPos + "(tmpVertex);"); - } - - // if (clipping || fragmentHooks.worldPosClip) { - src.push(" SCENEJS_vWorldVertex = tmpVertex; "); - // } - - src.push("SCENEJS_vWorldEyeVec = normalize(SCENEJS_uWorldEye - tmpVertex.xyz);"); - - src.push(" tmpVertex = SCENEJS_uVMatrix * tmpVertex; "); - - if (vertexHooks.viewPos) { - src.push("tmpVertex=" + vertexHooks.viewPos + "(tmpVertex);"); - } - - src.push(" SCENEJS_vViewVertex = tmpVertex;"); - - if (normals && (fragmentHooks.worldNormal || fragmentHooks.viewNormal)) { - src.push(" vec3 worldNormal = normalize((SCENEJS_uMNMatrix * modelNormal).xyz); "); - src.push(" SCENEJS_vWorldNormal = worldNormal;"); - src.push(" SCENEJS_vViewNormal = (SCENEJS_uVNMatrix * vec4(worldNormal, 1.0)).xyz;"); - } - - src.push(" SCENEJS_vProjVertex = SCENEJS_uPMatrix * tmpVertex;"); - - - src.push(" gl_Position = SCENEJS_vProjVertex;"); - src.push("}"); - - if (false && debugCfg.logScripts == true) { - SceneJS.log.info(src); - } - return src; - }; - - /** - * Composes a fragment shader script for rendering mode in current scene state - * @private - */ - this._composePickingFragmentShader = function (states) { - - var customShaders = states.shader.shaders || {}; - var customFragmentShader = customShaders.fragment || {}; - var fragmentHooks = customFragmentShader.hooks || {}; - - var clipping = states.clips.clips.length > 0; - - var normals = this._hasNormals(states); - - var src = [ - "precision mediump float;" - ]; - - src.push("vec4 packDepth(const in float depth) {"); - src.push(" const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"); - src.push(" const vec4 bitMask = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"); - src.push(" vec4 res = fract(depth * bitShift);"); - src.push(" res -= res.xxyz * bitMask;"); - src.push(" return res;"); - src.push("}"); - - - src.push("varying vec4 SCENEJS_vWorldVertex;"); - src.push("varying vec4 SCENEJS_vViewVertex;"); // View-space vertex - src.push("varying vec4 SCENEJS_vProjVertex;"); - - src.push("uniform bool SCENEJS_uRayPickMode;"); // Z-pick mode when true else colour-pick - - src.push("uniform vec3 SCENEJS_uPickColor;"); // Used in colour-pick mode - - src.push("uniform float SCENEJS_uZNear;"); // Used in Z-pick mode - src.push("uniform float SCENEJS_uZFar;"); // Used in Z-pick mode - - src.push("varying vec3 SCENEJS_vWorldEyeVec;"); // Direction of view-space vertex from eye - - src.push("uniform bool SCENEJS_uClipping;"); - - if (normals && (fragmentHooks.worldNormal || fragmentHooks.viewNormal)) { - - src.push("varying vec3 SCENEJS_vWorldNormal;"); // World-space normal - src.push("varying vec3 SCENEJS_vViewNormal;"); // View-space normal - } - /*----------------------------------------------------------------------------------- - * Variables - Clipping - *----------------------------------------------------------------------------------*/ - - if (clipping) { - for (var i = 0; i < states.clips.clips.length; i++) { - src.push("uniform float SCENEJS_uClipMode" + i + ";"); - src.push("uniform vec4 SCENEJS_uClipNormalAndDist" + i + ";"); - } - } - - /*----------------------------------------------------------------------------------- - * Custom GLSL - *----------------------------------------------------------------------------------*/ - - if (customFragmentShader.code) { - src.push("\n" + customFragmentShader.code + "\n"); - } - - src.push("void main(void) {"); - - if (fragmentHooks.worldPosClip) { - src.push("if (" + fragmentHooks.worldPosClip + "(SCENEJS_vWorldVertex) == false) { discard; };"); - } - if (fragmentHooks.viewPosClip) { - src.push("if (!" + fragmentHooks.viewPosClip + "(SCENEJS_vViewVertex) == false) { discard; };"); - } - - if (clipping) { - src.push("if (SCENEJS_uClipping) {"); - src.push(" float dist;"); - for (var i = 0; i < states.clips.clips.length; i++) { - src.push(" if (SCENEJS_uClipMode" + i + " != 0.0) {"); - src.push(" dist = dot(SCENEJS_vWorldVertex.xyz, SCENEJS_uClipNormalAndDist" + i + ".xyz) - SCENEJS_uClipNormalAndDist" + i + ".w;"); - src.push(" if (SCENEJS_uClipMode" + i + " == 1.0) {"); - src.push(" if (dist > 0.0) { discard; }"); - src.push(" }"); - src.push(" if (SCENEJS_uClipMode" + i + " == 2.0) {"); - src.push(" if (dist > 0.0) { discard; }"); - src.push(" }"); - src.push(" }"); - } - src.push("}"); - } - - if (fragmentHooks.worldPos) { - src.push(fragmentHooks.worldPos + "(SCENEJS_vWorldVertex);"); - } - - if (fragmentHooks.viewPos) { - src.push(fragmentHooks.viewPos + "(SCENEJS_vViewVertex);"); - } - - if (fragmentHooks.worldEyeVec) { - src.push(fragmentHooks.worldEyeVec + "(SCENEJS_vWorldEyeVec);"); - } - - if (normals && fragmentHooks.worldNormal) { - src.push(fragmentHooks.worldNormal + "(SCENEJS_vWorldNormal);"); - } - - if (normals && fragmentHooks.viewNormal) { - src.push(fragmentHooks.viewNormal + "(SCENEJS_vViewNormal);"); - } - - src.push(" if (SCENEJS_uRayPickMode) {"); - src.push(" float zNormalizedDepth = abs((SCENEJS_uZNear + SCENEJS_vViewVertex.z) / (SCENEJS_uZFar - SCENEJS_uZNear));"); - src.push(" gl_FragColor = packDepth(zNormalizedDepth); "); - - src.push(" } else {"); - src.push(" gl_FragColor = vec4(SCENEJS_uPickColor.rgb, 1.0); "); - src.push(" }"); - src.push("}"); - - - if (false && debugCfg.logScripts == true) { - SceneJS.log.info(src); - } - return src; - }; - - - /*=================================================================================================================== - * - * Rendering vertex shader - * - *==================================================================================================================*/ - - this._isTexturing = function (states) { - if (states.texture.layers && states.texture.layers.length > 0) { - if (states.geometry.uvBuf || states.geometry.uvBuf2) { - return true; - } - if (states.morphGeometry.targets && (states.morphGeometry.targets[0].uvBuf || states.morphGeometry.targets[0].uvBuf2)) { - return true; - } - } - return false; - }; - - this._hasNormals = function (states) { - if (states.geometry.normalBuf) { - return true; - } - if (states.morphGeometry.targets && states.morphGeometry.targets[0].normalBuf) { - return true; - } - return false; - }; - - this._composeRenderingVertexShader = function (states) { - - var customShaders = states.shader.shaders || {}; - - /* Do a full custom shader replacement if code supplied without hooks - */ - if (customShaders.vertex && customShaders.vertex.code && !customShaders.vertex.hooks) { - return customShaders.vertex.code; - } - - var customVertexShader = customShaders.vertex || {}; - var vertexHooks = customVertexShader.hooks || {}; - - var customFragmentShader = customShaders.fragment || {}; - var fragmentHooks = customFragmentShader.hooks || {}; - - var texturing = this._isTexturing(states); - var normals = this._hasNormals(states); - var clipping = states.clips.clips.length > 0; - var morphing = !!states.morphGeometry.targets; - - var src = [ - "precision mediump float;" - ]; - - src.push("attribute vec3 SCENEJS_aVertex;"); // Model coordinates - - src.push("uniform vec3 SCENEJS_uWorldEye;"); // World-space eye position - src.push("varying vec3 SCENEJS_vWorldEyeVec;"); // Output world-space eye vector - - /*----------------------------------------------------------------------------------- - * Variables - normals - *----------------------------------------------------------------------------------*/ - - if (normals) { - - src.push("attribute vec3 SCENEJS_aNormal;"); // Normal vectors - src.push("uniform mat4 SCENEJS_uMNMatrix;"); // Model normal matrix - src.push("uniform mat4 SCENEJS_uVNMatrix;"); // View normal matrix - - src.push("varying vec3 SCENEJS_vWorldNormal;"); // Output world-space vertex normal - src.push("varying vec3 SCENEJS_vViewNormal;"); // Output view-space vertex normal - - for (var i = 0; i < states.lights.lights.length; i++) { - var light = states.lights.lights[i]; - if (light.mode == "ambient") { - continue; - } - if (light.mode == "dir") { - src.push("uniform vec3 SCENEJS_uLightDir" + i + ";"); - } - if (light.mode == "point") { - src.push("uniform vec3 SCENEJS_uLightPos" + i + ";"); - } - if (light.mode == "spot") { - src.push("uniform vec3 SCENEJS_uLightPos" + i + ";"); - } - - /* Vector from vertex to light, packaged with the pre-computed length of that vector - */ - src.push("varying vec4 SCENEJS_vViewLightVecAndDist" + i + ";"); // varying for fragment lighting - } - } - - if (texturing) { - if (states.geometry.uvBuf) { - src.push("attribute vec2 SCENEJS_aUVCoord;"); // UV coords - } - if (states.geometry.uvBuf2) { - src.push("attribute vec2 SCENEJS_aUVCoord2;"); // UV2 coords - } - } - - /* Vertex color variables - */ - if (states.geometry.colorBuf) { - src.push("attribute vec4 SCENEJS_aVertexColor;"); // UV2 coords - src.push("varying vec4 SCENEJS_vColor;"); // Varying for fragment texturing - } - - src.push("uniform mat4 SCENEJS_uMMatrix;"); // Model matrix - src.push("uniform mat4 SCENEJS_uVMatrix;"); // View matrix - src.push("uniform mat4 SCENEJS_uPMatrix;"); // Projection matrix - - if (clipping || fragmentHooks.worldPos) { - src.push("varying vec4 SCENEJS_vWorldVertex;"); // Varying for fragment clip or world pos hook - } - - if (fragmentHooks.viewPos) { - src.push("varying vec4 SCENEJS_vViewVertex;"); // Varying for fragment view clip hook - } - - if (texturing) { // Varyings for fragment texturing - if (states.geometry.uvBuf) { - src.push("varying vec2 SCENEJS_vUVCoord;"); - } - if (states.geometry.uvBuf2) { - src.push("varying vec2 SCENEJS_vUVCoord2;"); - } - } - - /*----------------------------------------------------------------------------------- - * Variables - Morphing - *----------------------------------------------------------------------------------*/ - - if (morphing) { - src.push("uniform float SCENEJS_uMorphFactor;"); // LERP factor for morph - if (states.morphGeometry.targets[0].vertexBuf) { // target2 has these arrays also - src.push("attribute vec3 SCENEJS_aMorphVertex;"); - } - if (normals) { - if (states.morphGeometry.targets[0].normalBuf) { - src.push("attribute vec3 SCENEJS_aMorphNormal;"); - } - } - } - - if (customVertexShader.code) { - src.push("\n" + customVertexShader.code + "\n"); - } - - - src.push("void main(void) {"); - src.push("vec4 tmpVertex=vec4(SCENEJS_aVertex, 1.0); "); - - if (vertexHooks.modelPos) { - src.push("tmpVertex=" + vertexHooks.modelPos + "(tmpVertex);"); - } - - src.push(" vec4 modelVertex = tmpVertex; "); - if (normals) { - src.push(" vec4 modelNormal = vec4(SCENEJS_aNormal, 0.0); "); - } - - /* - * Morphing - morph targets are in same model space as the geometry - */ - if (morphing) { - if (states.morphGeometry.targets[0].vertexBuf) { - src.push(" vec4 vMorphVertex = vec4(SCENEJS_aMorphVertex, 1.0); "); - src.push(" modelVertex = vec4(mix(modelVertex.xyz, vMorphVertex.xyz, SCENEJS_uMorphFactor), 1.0); "); - } - if (normals) { - if (states.morphGeometry.targets[0].normalBuf) { - src.push(" vec4 vMorphNormal = vec4(SCENEJS_aMorphNormal, 1.0); "); - src.push(" modelNormal = vec4( mix(modelNormal.xyz, vMorphNormal.xyz, SCENEJS_uMorphFactor), 1.0); "); - } - } - } - - src.push(" vec4 worldVertex = SCENEJS_uMMatrix * modelVertex; "); - - if (vertexHooks.worldPos) { - src.push("worldVertex=" + vertexHooks.worldPos + "(worldVertex);"); - } - - if (vertexHooks.viewMatrix) { - src.push("vec4 viewVertex = " + vertexHooks.viewMatrix + "(SCENEJS_uVMatrix) * worldVertex;"); - } else { - src.push("vec4 viewVertex = SCENEJS_uVMatrix * worldVertex; "); - } - - if (vertexHooks.viewPos) { - src.push("viewVertex=" + vertexHooks.viewPos + "(viewVertex);"); // Vertex hook function - } - - if (normals) { - src.push(" vec3 worldNormal = normalize((SCENEJS_uMNMatrix * modelNormal).xyz); "); - src.push(" SCENEJS_vWorldNormal = worldNormal;"); - src.push(" SCENEJS_vViewNormal = (SCENEJS_uVNMatrix * vec4(worldNormal, 1.0)).xyz;"); - } - - if (clipping || fragmentHooks.worldPos) { - src.push(" SCENEJS_vWorldVertex = worldVertex;"); // Varying for fragment world clip or hooks - } - - if (fragmentHooks.viewPos) { - src.push(" SCENEJS_vViewVertex = viewVertex;"); // Varying for fragment hooks - } - - if (vertexHooks.projMatrix) { - src.push("gl_Position = " + vertexHooks.projMatrix + "(SCENEJS_uPMatrix) * viewVertex;"); - } else { - src.push(" gl_Position = SCENEJS_uPMatrix * viewVertex;"); - } - - /*----------------------------------------------------------------------------------- - * Logic - normals - * - * Transform the world-space lights into view space - *----------------------------------------------------------------------------------*/ - - src.push(" vec3 tmpVec3;"); - if (normals) { - - for (var i = 0; i < states.lights.lights.length; i++) { - - light = states.lights.lights[i]; - - if (light.mode == "ambient") { - continue; - } - - if (light.mode == "dir") { - - /* Directional light - */ - if (light.space == "world") { - - /* World space light - transform vector to View space - */ - src.push("SCENEJS_vViewLightVecAndDist" + i + " = vec4(-normalize((SCENEJS_uVMatrix * vec4(SCENEJS_uLightDir" + i + ", 0.0)).xyz), 0.0);"); - - } else { - - /* View space light - */ - src.push("SCENEJS_vViewLightVecAndDist" + i + " = vec4(-normalize(SCENEJS_uLightDir" + i + "), 0.0);"); - } - } - - if (light.mode == "point") { - - /* Positional light - */ - if (light.space == "world") { - - /* World space light - transform position to View space - */ - src.push("tmpVec3 = ((SCENEJS_uVMatrix * vec4(SCENEJS_uLightPos" + i + ", 1.0)).xyz - worldVertex.xyz);"); - src.push("SCENEJS_vViewLightVecAndDist" + i + " = vec4(normalize(tmpVec3), length(tmpVec3));"); - - } else { - - /* View space light - */ - src.push("tmpVec3 = (SCENEJS_uLightPos" + i + ".xyz - worldVertex.xyz);"); - src.push("SCENEJS_vViewLightVecAndDist" + i + " = vec4(normalize(tmpVec3), length(tmpVec3));"); - } - } - } - } - - src.push("SCENEJS_vWorldEyeVec = normalize(SCENEJS_uWorldEye - worldVertex.xyz);"); - - if (texturing) { // varyings for fragment texturing - if (states.geometry.uvBuf) { - src.push("SCENEJS_vUVCoord = SCENEJS_aUVCoord;"); - } - if (states.geometry.uvBuf2) { - src.push("SCENEJS_vUVCoord2 = SCENEJS_aUVCoord2;"); - } - } - - if (states.geometry.colorBuf) { - src.push("SCENEJS_vColor = SCENEJS_aVertexColor;"); // Varyings for fragment interpolated vertex coloring - } - src.push("}"); - - - if (false && debugCfg.logScripts === true) { - SceneJS.log.info(src); - } - return src; - }; - - /*----------------------------------------------------------------------------------------------------------------- - * Rendering Fragment shader - *---------------------------------------------------------------------------------------------------------------*/ - - this._composeRenderingFragmentShader = function (states) { - - var customShaders = states.shader.shaders || {}; - - /* Do a full custom shader replacement if code supplied without hooks - */ - if (customShaders.fragment && customShaders.fragment.code && !customShaders.fragment.hooks) { - return customShaders.fragment.code; - } - - var customFragmentShader = customShaders.fragment || {}; - var fragmentHooks = customFragmentShader.hooks || {}; - - var texturing = this._isTexturing(states); - var normals = this._hasNormals(states); - var clipping = states.clips.clips.length > 0; - - var src = ["\n"]; - - src.push("precision mediump float;"); - - - if (clipping || fragmentHooks.worldPos) { - src.push("varying vec4 SCENEJS_vWorldVertex;"); // World-space vertex - } - - if (fragmentHooks.viewPos) { - src.push("varying vec4 SCENEJS_vViewVertex;"); // View-space vertex - } - - /*----------------------------------------------------------------------------------- - * Variables - Clipping - *----------------------------------------------------------------------------------*/ - - if (clipping) { - for (var i = 0; i < states.clips.clips.length; i++) { - src.push("uniform float SCENEJS_uClipMode" + i + ";"); - src.push("uniform vec4 SCENEJS_uClipNormalAndDist" + i + ";"); - } - } - - if (texturing) { - if (states.geometry.uvBuf) { - src.push("varying vec2 SCENEJS_vUVCoord;"); - } - if (states.geometry.uvBuf2) { - src.push("varying vec2 SCENEJS_vUVCoord2;"); - } - var layer; - for (var i = 0, len = states.texture.layers.length; i < len; i++) { - layer = states.texture.layers[i]; - src.push("uniform sampler2D SCENEJS_uSampler" + i + ";"); - if (layer.matrix) { - src.push("uniform mat4 SCENEJS_uLayer" + i + "Matrix;"); - } - src.push("uniform float SCENEJS_uLayer" + i + "BlendFactor;"); - } - } - - /* True when lighting - */ - src.push("uniform bool SCENEJS_uBackfaceTexturing;"); - src.push("uniform bool SCENEJS_uBackfaceLighting;"); - src.push("uniform bool SCENEJS_uSpecularLighting;"); - src.push("uniform bool SCENEJS_uClipping;"); - src.push("uniform bool SCENEJS_uAmbient;"); - src.push("uniform bool SCENEJS_uDiffuse;"); - - /* True when rendering transparency - */ - src.push("uniform bool SCENEJS_uTransparent;"); - - /* Vertex color variable - */ - if (states.geometry.colorBuf) { - src.push("varying vec4 SCENEJS_vColor;"); - } - - src.push("uniform vec3 SCENEJS_uAmbientColor;"); // Scene ambient colour - taken from clear colour - - src.push("uniform vec3 SCENEJS_uMaterialBaseColor;"); - src.push("uniform float SCENEJS_uMaterialAlpha;"); - src.push("uniform float SCENEJS_uMaterialEmit;"); - src.push("uniform vec3 SCENEJS_uMaterialSpecularColor;"); - src.push("uniform float SCENEJS_uMaterialSpecular;"); - src.push("uniform float SCENEJS_uMaterialShine;"); - - src.push("varying vec3 SCENEJS_vWorldEyeVec;"); // Direction of view-space vertex from eye - - if (normals) { - - src.push("varying vec3 SCENEJS_vWorldNormal;"); // World-space normal - src.push("varying vec3 SCENEJS_vViewNormal;"); // View-space normal - - var light; - for (var i = 0; i < states.lights.lights.length; i++) { - light = states.lights.lights[i]; - if (light.mode == "ambient") { - continue; - } - src.push("uniform vec3 SCENEJS_uLightColor" + i + ";"); - if (light.mode == "point") { - src.push("uniform vec3 SCENEJS_uLightAttenuation" + i + ";"); - } - src.push("varying vec4 SCENEJS_vViewLightVecAndDist" + i + ";"); // Vector from light to vertex - } - } - - if (customFragmentShader.code) { - src.push("\n" + customFragmentShader.code + "\n"); - } - - src.push("void main(void) {"); - - src.push(" vec3 ambient= SCENEJS_uAmbient ? SCENEJS_uAmbientColor : vec3(0.0, 0.0, 0.0);"); - - /*----------------------------------------------------------------------------------- - * Logic - Clipping - *----------------------------------------------------------------------------------*/ - - if (clipping) { - src.push("if (SCENEJS_uClipping) {"); - src.push(" float dist;"); - for (var i = 0; i < states.clips.clips.length; i++) { - src.push(" if (SCENEJS_uClipMode" + i + " != 0.0) {"); - src.push(" dist = dot(SCENEJS_vWorldVertex.xyz, SCENEJS_uClipNormalAndDist" + i + ".xyz) - SCENEJS_uClipNormalAndDist" + i + ".w;"); - src.push(" if (SCENEJS_uClipMode" + i + " == 1.0) {"); - src.push(" if (dist > 0.0) { discard; }"); - src.push(" }"); - src.push(" if (SCENEJS_uClipMode" + i + " == 2.0) {"); - src.push(" if (dist > 0.0) { discard; }"); - src.push(" }"); - src.push(" }"); - } - src.push("}"); - } - - if (texturing && states.geometry.uvBuf && fragmentHooks.texturePos) { - src.push(fragmentHooks.texturePos + "(SCENEJS_vUVCoord);"); - } - - if (fragmentHooks.worldPos) { - src.push(fragmentHooks.worldPos + "(SCENEJS_vWorldVertex);"); - } - - if (fragmentHooks.viewPos) { - src.push(fragmentHooks.viewPos + "(SCENEJS_vViewVertex);"); - } - - if (fragmentHooks.worldEyeVec) { - src.push(fragmentHooks.worldEyeVec + "(SCENEJS_vWorldEyeVec);"); - } - - if (normals && fragmentHooks.worldNormal) { - src.push(fragmentHooks.worldNormal + "(SCENEJS_vWorldNormal);"); - } - - if (normals && fragmentHooks.viewNormal) { - src.push(fragmentHooks.viewNormal + "(SCENEJS_vViewNormal);"); - } - - if (states.geometry.colorBuf) { - src.push(" vec3 color = SCENEJS_vColor.rgb;"); - } else { - src.push(" vec3 color = SCENEJS_uMaterialBaseColor;") - } - - src.push(" float alpha = SCENEJS_uMaterialAlpha;"); - src.push(" float emit = SCENEJS_uMaterialEmit;"); - src.push(" float specular = SCENEJS_uMaterialSpecular;"); - src.push(" vec3 specularColor = SCENEJS_uMaterialSpecularColor;"); - src.push(" float shine = SCENEJS_uMaterialShine;"); - - if (fragmentHooks.materialBaseColor) { - src.push("color=" + fragmentHooks.materialBaseColor + "(color);"); - } - if (fragmentHooks.materialAlpha) { - src.push("alpha=" + fragmentHooks.materialAlpha + "(alpha);"); - } - if (fragmentHooks.materialEmit) { - src.push("emit=" + fragmentHooks.materialEmit + "(emit);"); - } - if (fragmentHooks.materialSpecular) { - src.push("specular=" + fragmentHooks.materialSpecular + "(specular);"); - } - if (fragmentHooks.materialSpecularColor) { - src.push("specularColor=" + fragmentHooks.materialSpecularColor + "(specularColor);"); - } - if (fragmentHooks.materialShine) { - src.push("shine=" + fragmentHooks.materialShine + "(shine);"); - } - - if (normals) { - src.push(" float attenuation = 1.0;"); - src.push(" vec3 viewNormalVec = SCENEJS_vViewNormal;"); - } - - var layer; - if (texturing) { - - if (normals) { - src.push("if (SCENEJS_uBackfaceTexturing || dot(SCENEJS_vWorldNormal, SCENEJS_vWorldEyeVec) > 0.0) {"); - } - - src.push(" vec4 texturePos;"); - src.push(" vec2 textureCoord=vec2(0.0,0.0);"); - - for (var i = 0, len = states.texture.layers.length; i < len; i++) { - layer = states.texture.layers[i]; - - /* Texture input - */ - if (layer.applyFrom == "normal" && normals) { - if (states.geometry.normalBuf) { - src.push("texturePos=vec4(viewNormalVec.xyz, 1.0);"); - } else { - SceneJS.log.warn("Texture layer applyFrom='normal' but geo has no normal vectors"); - continue; - } - } - if (layer.applyFrom == "uv") { - if (states.geometry.uvBuf) { - src.push("texturePos = vec4(SCENEJS_vUVCoord.s, SCENEJS_vUVCoord.t, 1.0, 1.0);"); - } else { - SceneJS.log.warn("Texture layer applyTo='uv' but geometry has no UV coordinates"); - continue; - } - } - if (layer.applyFrom == "uv2") { - if (states.geometry.uvBuf2) { - src.push("texturePos = vec4(SCENEJS_vUVCoord2.s, SCENEJS_vUVCoord2.t, 1.0, 1.0);"); - } else { - SceneJS.log.warn("Texture layer applyTo='uv2' but geometry has no UV2 coordinates"); - continue; - } - } - - /* Texture matrix - */ - if (layer.matrix) { - src.push("textureCoord=(SCENEJS_uLayer" + i + "Matrix * texturePos).xy;"); - } else { - src.push("textureCoord=texturePos.xy;"); - } - - /* Alpha from Texture - * */ - if (layer.applyTo == "alpha") { - if (layer.blendMode == "multiply") { - src.push("alpha = alpha * (SCENEJS_uLayer" + i + "BlendFactor * texture2D(SCENEJS_uSampler" + i + ", vec2(textureCoord.x, 1.0 - textureCoord.y)).b);"); - } else if (layer.blendMode == "add") { - src.push("alpha = ((1.0 - SCENEJS_uLayer" + i + "BlendFactor) * alpha) + (SCENEJS_uLayer" + i + "BlendFactor * texture2D(SCENEJS_uSampler" + i + ", vec2(textureCoord.x, 1.0 - textureCoord.y)).b);"); - } - } - - /* Texture output - */ - if (layer.applyTo == "baseColor") { - if (layer.blendMode == "multiply") { - src.push("color = color * (SCENEJS_uLayer" + i + "BlendFactor * texture2D(SCENEJS_uSampler" + i + ", vec2(textureCoord.x, 1.0 - textureCoord.y)).rgb);"); - } else { - src.push("color = ((1.0 - SCENEJS_uLayer" + i + "BlendFactor) * color) + (SCENEJS_uLayer" + i + "BlendFactor * texture2D(SCENEJS_uSampler" + i + ", vec2(textureCoord.x, 1.0 - textureCoord.y)).rgb);"); - } - } - - if (layer.applyTo == "emit") { - if (layer.blendMode == "multiply") { - src.push("emit = emit * (SCENEJS_uLayer" + i + "BlendFactor * texture2D(SCENEJS_uSampler" + i + ", vec2(textureCoord.x, 1.0 - textureCoord.y)).r);"); - } else { - src.push("emit = ((1.0 - SCENEJS_uLayer" + i + "BlendFactor) * emit) + (SCENEJS_uLayer" + i + "BlendFactor * texture2D(SCENEJS_uSampler" + i + ", vec2(textureCoord.x, 1.0 - textureCoord.y)).r);"); - } - } - - if (layer.applyTo == "specular" && normals) { - if (layer.blendMode == "multiply") { - src.push("specular = specular * (SCENEJS_uLayer" + i + "BlendFactor * texture2D(SCENEJS_uSampler" + i + ", vec2(textureCoord.x, 1.0 - textureCoord.y)).r);"); - } else { - src.push("specular = ((1.0 - SCENEJS_uLayer" + i + "BlendFactor) * specular) + (SCENEJS_uLayer" + i + "BlendFactor * texture2D(SCENEJS_uSampler" + i + ", vec2(textureCoord.x, 1.0 - textureCoord.y)).r);"); - } - } - - if (layer.applyTo == "normals" && normals) { - src.push("vec3 bump = normalize(texture2D(SCENEJS_uSampler" + i + ", vec2(textureCoord.x, -textureCoord.y)).xyz * 2.0 - 1.0);"); - src.push("viewNormalVec *= -bump;"); - } - } - if (normals) { - src.push("}"); - } - } - - src.push(" vec4 fragColor;"); - - if (normals) { - - src.push("if (SCENEJS_uBackfaceLighting || dot(SCENEJS_vWorldNormal, SCENEJS_vWorldEyeVec) > 0.0) {"); - - src.push(" vec3 lightValue = vec3(0.0, 0.0, 0.0);"); - src.push(" vec3 specularValue = vec3(0.0, 0.0, 0.0);"); - src.push(" vec3 viewLightVec;"); - src.push(" float dotN;"); - src.push(" float lightDist;"); - - var light; - - for (var i = 0, len = states.lights.lights.length; i < len; i++) { - light = states.lights.lights[i]; - - if (light.mode == "ambient") { - continue; - } - - src.push("viewLightVec = SCENEJS_vViewLightVecAndDist" + i + ".xyz;"); - - if (light.mode == "point") { - - src.push("dotN = max(dot(viewNormalVec, viewLightVec), 0.0);"); - - //src.push("if (dotN > 0.0) {"); - - src.push("lightDist = SCENEJS_vViewLightVecAndDist" + i + ".w;"); - - src.push("attenuation = 1.0 - (" + - " SCENEJS_uLightAttenuation" + i + "[0] + " + - " SCENEJS_uLightAttenuation" + i + "[1] * lightDist + " + - " SCENEJS_uLightAttenuation" + i + "[2] * lightDist * lightDist);"); - - if (light.diffuse) { - src.push("if (SCENEJS_uDiffuse) {"); - src.push(" lightValue += dotN * SCENEJS_uLightColor" + i + " * attenuation;"); - src.push("}"); - } - - if (light.specular) { - src.push("if (SCENEJS_uSpecularLighting) {"); - src.push(" specularValue += specularColor * SCENEJS_uLightColor" + i + - " * specular * pow(max(dot(reflect(-viewLightVec, -viewNormalVec), vec3(0.0,0.0,1.0)), 0.0), shine) * attenuation;"); - src.push("}"); - } - //src.push("}"); - } - - if (light.mode == "dir") { - - src.push("dotN = max(dot(viewNormalVec, viewLightVec), 0.0);"); - - //src.push("if (dotN > 0.0) {"); - if (light.diffuse) { - src.push("if (SCENEJS_uDiffuse) {"); - src.push(" lightValue += dotN * SCENEJS_uLightColor" + i + ";"); - src.push("}"); - } - - if (light.specular) { - src.push("if (SCENEJS_uSpecularLighting) {"); - src.push(" specularValue += specularColor * SCENEJS_uLightColor" + i + - " * specular * pow(max(dot(reflect(-viewLightVec, -viewNormalVec), vec3(0.0,0.0,1.0)), 0.0), shine);"); - src.push("}"); - } - // src.push("}"); - } - } - - src.push(" fragColor = vec4((specularValue.rgb + color.rgb * (lightValue.rgb + ambient.rgb)) + (emit * color.rgb), alpha);"); - src.push(" } else {"); - src.push(" fragColor = vec4((color.rgb + (emit * color.rgb)) * (vec3(1.0, 1.0, 1.0) + ambient.rgb), alpha);"); - src.push(" }"); - - } else { // No normals - src.push("fragColor = vec4((color.rgb + (emit * color.rgb)) * (vec3(1.0, 1.0, 1.0) + ambient.rgb), alpha);"); - } - - if (fragmentHooks.pixelColor) { - src.push("fragColor=" + fragmentHooks.pixelColor + "(fragColor);"); - } - - if (false && debugCfg.whitewash === true) { - src.push(" gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);"); - } else { - src.push(" gl_FragColor = fragColor;"); - } - src.push("}"); - - return src; - }; - -})();/** - * @class Source code for pick and draw shader programs, to be compiled into one or more {@link SceneJS_Program}s - * @private - * - * @param {String} hash Hash code identifying the rendering capabilities of the programs - * @param {String} pickVertexSrc Source code of the pick vertex shader - * @param {String} pickFragmentSrc Source code of the pick fragment shader - * @param {String} drawVertexSrc Source code of the draw vertex shader - * @param {String} drawFragmentSrc Source code of the draw fragment shader - */ -var SceneJS_ProgramSource = function(hash, pickVertexSrc, pickFragmentSrc, drawVertexSrc, drawFragmentSrc) { - - /** - * Hash code identifying the capabilities of the {@link SceneJS_Program} that is compiled from this source - * @type String - */ - this.hash = hash; - - /** - * Source code for pick vertex shader - * @type String - */ - this.pickVertexSrc = pickVertexSrc; - - /** - * Source code for pick fragment shader - * @type String - */ - this.pickFragmentSrc = pickFragmentSrc; - - /** - * Source code for draw vertex shader - * @type String - */ - this.drawVertexSrc = drawVertexSrc; - - /** - * Source code for draw fragment shader - * @type String - */ - this.drawFragmentSrc = drawFragmentSrc; - - /** - * Count of {@link SceneJS_Program}s compiled from this program source code - * @type Number - */ - this.useCount = 0; -}; - -/** - * @class Manages creation, sharing and recycle of {@link SceneJS_Program} instances - * @private - */ -var SceneJS_ProgramFactory = function(cfg) { - - this._canvas = cfg.canvas; - - this._programs = {}; - - this._nextProgramId = 0; -}; - -/** - * Gets a program to render the given states - */ -SceneJS_ProgramFactory.prototype.getProgram = function(hash, states) { - - var program = this._programs[hash]; - - if (!program) { - - var source = SceneJS_ProgramSourceFactory.getSource(hash, states); - - program = new SceneJS_Program(this._nextProgramId++, hash, source, this._canvas.gl); - - this._programs[hash] = program; - } - - program.useCount++; - - return program; -}; - -/** - * Releases a program back to the shader factory - */ -SceneJS_ProgramFactory.prototype.putProgram = function(program) { - - if (--program.useCount <= 0) { - - program.draw.destroy(); - program.pick.destroy(); - - SceneJS_ProgramSourceFactory.putSource(program.hash); - - this._programs[program.hash] = null; - } -}; - -/** - * Notifies this shader factory that the WebGL context has been restored after previously being lost - */ -SceneJS_ProgramFactory.prototype.webglRestored = function() { - - var gl = this._canvas.gl; - - for (var id in this._programs) { - if (this._programs.hasOwnProperty(id)) { - this._programs[id].build(gl); - } - } -}; - -/** - * Destroys this shader factory - */ -SceneJS_ProgramFactory.prototype.destroy = function() { -}; -/** - * @class Vertex and fragment shaders for pick and draw - * @private - * - * @param {Number} id ID unique among all programs in the owner {@link SceneJS_ProgramFactory} - * @param {String} hash Hash code which uniquely identifies the capabilities of the program, computed from hashes on the {@link Scene_Core}s that the {@link SceneJS_ProgramSource} composed to render - * @param {SceneJS_ProgramSource} source Sourcecode from which the the program is compiled in {@link #build} - * @param {WebGLRenderingContext} gl WebGL context - */ -var SceneJS_Program = function(id, hash, source, gl) { - - /** - * ID for this program, unique among all programs in the display - * @type Number - */ - this.id = id; - - /** - * Hash code for this program's capabilities, same as the hash on {@link #source} - * @type String - */ - this.hash = source.hash; - - /** - * Source code for this program's shaders - * @type SceneJS_ProgramSource - */ - this.source = source; - - /** - * WebGL context on which this program's shaders are allocated - * @type WebGLRenderingContext - */ - this.gl = gl; - - /** - * The drawing program - * @type SceneJS_webgl_Program - */ - this.draw = null; - - /** - * The picking program - * @type SceneJS_webgl_Program - */ - this.pick = null; - - /** - * The count of display objects using this program - * @type Number - */ - this.useCount = 0; - - this.build(gl); -}; - -/** - * Creates the render and pick programs. - * This is also re-called to re-create them after WebGL context loss. - */ -SceneJS_Program.prototype.build = function(gl) { - this.gl = gl; - this.draw = new SceneJS_webgl_Program(gl, [this.source.drawVertexSrc.join("\n")], [this.source.drawFragmentSrc.join("\n")]); - this.pick = new SceneJS_webgl_Program(gl, [this.source.pickVertexSrc.join("\n")], [this.source.pickFragmentSrc.join("\n")]); -};/** - * @class Manages creation and recycle of {@link SceneJS_Object} instances - * @private - */ -var SceneJS_ObjectFactory = function() { - -}; - -/** - * @property {[SceneJS_Object]} _freeObjects Pool of free display objects, shared by all object factories - */ -SceneJS_ObjectFactory.prototype._freeObjects = []; - -/** - * @property {Number} _numFreeObjects Number of free objects - */ -SceneJS_ObjectFactory.prototype._numFreeObjects = 0; - -/** - * Gets a display object from this factory - * - * @param {String} id ID to assign to the object - * @returns {SceneJS_Object} The object - */ -SceneJS_ObjectFactory.prototype.getObject = function(id) { - - var object; - - if (this._numFreeObjects > 0) { - - object = this._freeObjects[--this._numFreeObjects]; - object.id = id; - - return object; - } - - return new SceneJS_Object(id); -}; - -/** - * Releases a display object back to this factory - * @param {SceneJS_Object} object Object to release - */ -SceneJS_ObjectFactory.prototype.putObject = function (object) { - - this._freeObjects[this._numFreeObjects++] = object; -};/** - * @class An object within a {@link SceneJS_Display} - * @private - */ -var SceneJS_Object = function(id) { - - /** - * ID for this objects, unique among all objects in the display - * @type Number - */ - this.id = id; - - /** - * Hash code for this object, unique among all objects in the display - * @type String - */ - this.hash = null; - - /** - * State sort key, computed from {@link #layer}, {@link #program} and {@link #texture} - * @type Number - */ - this.sortKey = null; - - /** - * Sequence of state chunks applied to render this object - * @type {[SceneJS_Chunk]} chunks - */ - this.chunks = []; - - /** - * Number of state chunks applied to render this object - * @type Number - */ - this.chunksLen = 0; - - /** - * Shader programs that render this object, also used for (re)computing {@link #sortKey} - * @type SceneJS_Program - */ - this.program = null; - - /** - * State core for the {@link SceneJS.Layer} that this object was compiled from, used for (re)computing {@link #sortKey} and visibility cull - */ - this.layer = null; - - /** - * State core for the {@link SceneJS.Texture} that this object was compiled from, used for (re)computing {@link #sortKey} - */ - this.texture = null; - - /** - * State core for the {@link SceneJS.Flags} that this object was compiled from, used for visibility cull - */ - this.flags = null; - - /** - * State core for the {@link SceneJS.Tag} that this object was compiled from, used for visibility cull - */ - this.tag = null; -};/** - * @class A facade which exposes internal scene rendering state to "rendered" event listeners bound to scene graph nodes with {@link SceneJS.Node#bind}. - * - *

The listener is fired for each {@link SceneJS.Geometry} that is rendered within the subgraph of the bound node. - * An instance of this facade is passed into the listener's handler, enabling the listener to obtain the various transform - * matrices that are active at that {@link SceneJS.Geometry}.

- * - *

The facade instance is only valid within the callback's execution; internally, SceneJS reuses the same instance of the - * facade with each scene.

- */ -SceneJS.RenderContext = function(frameCtx) { - this._frameCtx = frameCtx; -}; - -/** - * Get the projection matrix, as defined by the active {@link SceneJS.Camera} node. - */ -SceneJS.RenderContext.prototype.getCameraMatrix = function() { - return this._frameCtx.cameraMat; -}; - -/** - * Get the view matrix, as defined by the active {@link SceneJS.LookAt} node. - */ -SceneJS.RenderContext.prototype.getViewMatrix = function() { - return this._frameCtx.viewMat; -}; - -/** - * Get the model matrix, as defined by the active {@link SceneJS.XForm} node. - */ -SceneJS.RenderContext.prototype.getModelMatrix = function() { - return this._frameCtx.modelMat; -}; - -/** - * Transforms the given world coordinate by the model, view and projection matrices defined by the active {@link SceneJS.XForm}, {@link SceneJS.LookAt} and {@link SceneJS.Camera} nodes. - * @returns [Number] The 2D Canvas-space coordinate - */ -SceneJS.RenderContext.prototype.getCanvasPos = function(offset) { - - this.getProjPos(offset); - - var canvas = this._frameCtx.canvas.canvas; - var canvasWidth = canvas.width; - var canvasHeight = canvas.height; - - /* Projection division and map to canvas - */ - var pc = this._pc; - - var x = (pc[0] / pc[3]) * canvasWidth * 0.5; - var y = (pc[1] / pc[3]) * canvasHeight * 0.5; - - return { - x: x + (canvasWidth * 0.5), - y: canvasHeight - y - (canvasHeight * 0.5) - }; -}; - -/** - * Transforms the given world coordinate by the model and view matrices defined by the active {@link SceneJS.XForm} and {@link SceneJS.LookAt} nodes. - * @returns [Number] The 3D Projection-space coordinate - */ -SceneJS.RenderContext.prototype.getCameraPos = function(offset) { - this.getProjPos(offset); - this._camPos = SceneJS_math_normalizeVec3(this._pc, [0,0,0]); - return { x: this._camPos[0], y: this._camPos[1], z: this._camPos[2] }; // TODO: return _camPos and lose the temp object -}; - - -SceneJS.RenderContext.prototype.getProjPos = function(offset) { - this.getViewPos(offset); - this._pc = SceneJS_math_transformPoint3(this._frameCtx.cameraMat, this._vc); - return { x: this._pc[0], y: this._pc[1], z: this._pc[2], w: this._pc[3] }; -}; - -SceneJS.RenderContext.prototype.getViewPos = function(offset) { - this.getWorldPos(offset); - this._vc = SceneJS_math_transformPoint3(this._frameCtx.viewMat, this._wc); - return { x: this._vc[0], y: this._vc[1], z: this._vc[2], w: this._vc[3] }; -}; - -SceneJS.RenderContext.prototype.getWorldPos = function(offset) { - this._wc = SceneJS_math_transformPoint3(this._frameCtx.modelMat, offset || [0,0,0]); - return { x: this._wc[0], y: this._wc[1], z: this._wc[2], w: this._wc[3] }; -}; -/** - * @class A chunk of WebGL state changes to render a {@link SceneJS_Core} for drawing and picking (if applicable to the core type). - * - *

Instances of this class are created and recycled by a {@link SceneJS_ChunkFactory}.

- * - *

Each {@link SceneJS_Object} has a list of chunks to render it's {@link SceneJS_Core}s

- * - * @private - */ -var SceneJS_Chunk = function(id, type, program, core) { - - /** - * The type of the corresponding {@link SceneJS_Core} - * @type String - * @see {SceneJS_Core#type} - */ - this.type = type; - - /** - * The chunk ID - * @type Number - */ - this.id = id; - - /** - * The program this chunk will render with - * @type {SceneJS_Program} - */ - this.program = program; - - /** - * The state core rendered by this chunk - * @type {SceneJS_Core} - */ - this.core = core; - - /** - * Count of {@link SceneJS_Object} instances using this chunk - * @type Number - */ - this.useCount = 0; - - if (this.build) { - this.build(); - } -}; - -/** - * Initialises the chunk. This is called within the constructor, and also to by the owner {@link SceneJS_ChunkFactory} - * when recycling a chunk from its free chunk pool. This method sets the given properties on the chunk, then calls the - * chunk instance's build method if the chunk has been augmented with one. - * - * @param {Number} id Chunk ID - * @param {SceneJS_Program} program Program to render the chunk - * @param {SceneJS_Core} core The state core rendered by this chunk - */ -SceneJS_Chunk.prototype.init = function(id, program, core) { - - this.id = id; - this.program = program; - this.core = core; - - if (this.build) { - this.build(); - } -}; -/** - * @class Manages creation, reuse and destruction of {@link SceneJS_Chunk}s for the nodes within a single {@link SceneJS_Display}. - * @private - */ -var SceneJS_ChunkFactory = function() { - - this._chunks = {}; -}; - -/** - * Sub-classes of {@link SceneJS_Chunk} provided by this factory - */ -SceneJS_ChunkFactory._chunkTypes = {}; // Supported chunk classes, installed by #createChunkType - -/** - * Free pool of unused {@link SceneJS_Chunk} instances - */ -SceneJS_ChunkFactory._freeChunks = {}; // Free chunk pool for each type - -/** - * Creates a chunk class for instantiation by this factory - * - * @param params Members to augment the chunk class prototype with - * @param params.type Type name for the new chunk class - * @param params.draw Method to render the chunk in draw render - * @param params.pick Method to render the chunk in pick render - * @param params.drawAndPick Method to render the chunk in both draw and pick renders - */ -SceneJS_ChunkFactory.createChunkType = function(params) { - - if (!params.type) { - throw "'type' expected in params"; - } - - var supa = SceneJS_Chunk; - - var chunkClass = function() { // Create the class - supa.apply(this, arguments); - this.type = params.type; - }; - - chunkClass.prototype = new supa(); // Inherit from base class - chunkClass.prototype.constructor = chunkClass; - - if (params.drawAndPick) { // Common method for draw and pick render - params.draw = params.pick = params.drawAndPick; - } - - SceneJS_ChunkFactory._chunkTypes[params.type] = chunkClass; - - SceneJS._apply(params, chunkClass.prototype); // Augment subclass - - SceneJS_ChunkFactory._freeChunks[params.type] = { // Set up free chunk pool for this type - chunks: [], - chunksLen: 0 - }; - - return chunkClass; -}; - -/** - * - */ -SceneJS_ChunkFactory.prototype.getChunk = function(chunkId, type, program, core) { - - var chunkClass = SceneJS_ChunkFactory._chunkTypes[type]; // Check type supported - - if (!chunkClass) { - throw "chunk type not supported: '" + type + "'"; - } - - var chunk = this._chunks[chunkId]; // Try to reference an existing chunk - - if (chunk) { - chunk.useCount++; - return chunk; - } - - var freeChunks = SceneJS_ChunkFactory._freeChunks[type]; // Try to recycle a free chunk - - if (freeChunks.chunksLen > 0) { - chunk = freeChunks.chunks[--freeChunks.chunksLen]; - } - - if (chunk) { // Reinitialise the recycled chunk - - chunk.init(chunkId, program, core); - - } else { // Instantiate a fresh chunk - - chunk = new chunkClass(chunkId, type, program, core); // Create new chunk - } - - chunk.useCount = 1; - - this._chunks[chunkId] = chunk; - - return chunk; -}; - -/** - * Releases a display state chunk back to this factory, destroying it if the chunk's use count is then zero. - * - * @param {SceneJS_Chunk} chunk Chunk to release - */ -SceneJS_ChunkFactory.prototype.putChunk = function (chunk) { - - if (chunk.useCount == 0) { - return; // In case of excess puts - } - - if (--chunk.useCount <= 0) { // Release shared core if use count now zero - - this._chunks[chunk.id] = null; - - var freeChunks = SceneJS_ChunkFactory._freeChunks[chunk.type]; - - freeChunks.chunks[freeChunks.chunksLen++] = chunk; - } -}; - -/** - * Re-cache shader variable locations for each active chunk - */ -SceneJS_ChunkFactory.prototype.webglRestored = function () { - - var chunk; - - for (var chunkId in this._chunks) { - - if (this._chunks.hasOwnProperty(chunkId)) { - - chunk = this._chunks[chunkId]; // Re-cache chunk's shader variable locations - - if (chunk.build) { - chunk.build(); - } - } - } -}; -SceneJS_ChunkFactory.createChunkType({ - - type: "camera", - - build : function() { - - this._uPMatrixDraw = this.program.draw.getUniformLocation("SCENEJS_uPMatrix"); - - this._uPMatrixPick = this.program.pick.getUniformLocation("SCENEJS_uPMatrix"); - this._uZNearPick = this.program.pick.getUniformLocation("SCENEJS_uZNear"); - this._uZFarPick = this.program.pick.getUniformLocation("SCENEJS_uZFar"); - }, - - draw : function(ctx) { - - var gl = this.program.gl; - - if (this._uPMatrixDraw) { - gl.uniformMatrix4fv(this._uPMatrixDraw, gl.FALSE, this.core.mat); - } - - ctx.cameraMat = this.core.mat; // Query only in draw pass - }, - - - pick : function(ctx) { - - var gl = this.program.gl; - - if (this._uPMatrixPick) { - gl.uniformMatrix4fv(this._uPMatrixPick, gl.FALSE, this.core.mat); - } - - if (ctx.rayPick) { // Z-pick pass: feed near and far clip planes into shader - - if (this._uZNearPick) { - gl.uniform1f(this._uZNearPick, this.core.optics.near); - } - - if (this._uZFarPick) { - gl.uniform1f(this._uZFarPick, this.core.optics.far); - } - } - - ctx.cameraMat = this.core.mat; // Query only in draw pass - } -});/** - * Create display state chunk type for draw and pick render of user clipping planes - */ -SceneJS_ChunkFactory.createChunkType({ - - type: "clips", - - build : function() { - - this._draw = this._draw || []; - - var draw = this.program.draw; - - for (var i = 0, len = this.core.clips.length; i < len; i++) { - this._draw[i] = { - uClipMode :draw.getUniformLocation("SCENEJS_uClipMode" + i), - uClipNormalAndDist: draw.getUniformLocation("SCENEJS_uClipNormalAndDist" + i) - }; - } - - this._pick = this._pick || []; - - var pick = this.program.pick; - - for (var i = 0, len = this.core.clips.length; i < len; i++) { - this._pick[i] = { - uClipMode :pick.getUniformLocation("SCENEJS_uClipMode" + i), - uClipNormalAndDist: pick.getUniformLocation("SCENEJS_uClipNormalAndDist" + i) - }; - } - }, - - drawAndPick: function(ctx) { - - var vars = (ctx.pick) ? this._pick : this._draw; - - var mode; - var normalAndDist; - var clips = this.core.clips; - var clip; - var gl = this.program.gl; - - for (var i = 0, len = clips.length; i < len; i++) { - - if (ctx.pick) { - mode = vars[i].uClipMode; - normalAndDist = vars[i].uClipNormalAndDist; - } else { - mode = vars[i].uClipMode; - normalAndDist = vars[i].uClipNormalAndDist; - } - - if (mode && normalAndDist) { - - clip = clips[i]; - - if (clip.mode == "inside") { - - gl.uniform1f(mode, 2); - gl.uniform4fv(normalAndDist, clip.normalAndDist); - - } else if (clip.mode == "outside") { - - gl.uniform1f(mode, 1); - gl.uniform4fv(normalAndDist, clip.normalAndDist); - - } else { // disabled - gl.uniform1f(mode, 0); - } - } - } - } -});/** - * - */ -SceneJS_ChunkFactory.createChunkType({ - - type:"draw", - - /** - * As we apply a list of state chunks in a {@link SceneJS_Display}, we track the ID of each chunk - * in order to avoid redundantly re-applying the same chunk. - * - * We don't want that for draw chunks however, because they contain GL drawElements calls, - * which we need to do for each object. - */ - unique:true, - - build:function () {}, - - drawAndPick:function (ctx) { - - var gl = this.program.gl; - - gl.drawElements(this.core.primitive, this.core.indexBuf.numItems, gl.UNSIGNED_SHORT, 0); - } -});/** - * Create display state chunk type for draw and pick render of flags - */ -SceneJS_ChunkFactory.createChunkType({ - - type:"flags", - - build:function () { - - var draw = this.program.draw; - - this._uBackfaceTexturingDraw = draw.getUniformLocation("SCENEJS_uBackfaceTexturing"); - this._uBackfaceLightingDraw = draw.getUniformLocation("SCENEJS_uBackfaceLighting"); - this._uSpecularLightingDraw = draw.getUniformLocation("SCENEJS_uSpecularLighting"); - this._uClippingDraw = draw.getUniformLocation("SCENEJS_uClipping"); - this._uAmbientDraw = draw.getUniformLocation("SCENEJS_uAmbient"); - this._uDiffuseDraw = draw.getUniformLocation("SCENEJS_uDiffuse"); - - var pick = this.program.pick; - - this._uClippingPick = pick.getUniformLocation("SCENEJS_uClipping"); - }, - - drawAndPick:function (ctx) { - - var gl = this.program.gl; - - var backfaces = this.core.backfaces; - - if (ctx.backfaces != backfaces) { - if (backfaces) { - gl.disable(gl.CULL_FACE); - } else { - gl.enable(gl.CULL_FACE); - } - ctx.backfaces = backfaces; - } - - var frontface = this.core.frontface; - - if (ctx.frontface != frontface) { - if (frontface == "ccw") { - gl.frontFace(gl.CCW); - } else { - gl.frontFace(gl.CW); - } - ctx.frontface = frontface; - } - - if (ctx.pick) { - gl.uniform1i(this._uClippingPick, this.core.clipping); - - } else { - gl.uniform1i(this._uBackfaceTexturingDraw, this.core.backfaceTexturing); - gl.uniform1i(this._uBackfaceLightingDraw, this.core.backfaceLighting); - gl.uniform1i(this._uSpecularLightingDraw, this.core.specular); - gl.uniform1i(this._uClippingDraw, this.core.clipping); - gl.uniform1i(this._uAmbientDraw, this.core.ambient); - gl.uniform1i(this._uDiffuseDraw, this.core.diffuse); - } - } -});/** - * Create display state chunk type for draw and pick render of framebuf - */ -SceneJS_ChunkFactory.createChunkType({ - - type: "framebuf", - - build: function() { - }, - - drawAndPick: function(ctx) { - - if (ctx.framebuf) { - - this.program.gl.finish(); // Force framebuf to complete - - ctx.framebuf.unbind(); - } - - var framebuf = this.core.framebuf; - - if (framebuf) { - - framebuf.bind(); - - ctx.framebuf = framebuf; // Must flush on cleanup - } - } -});/** - * Create display state chunk type for draw and pick render of geometry - */ -SceneJS_ChunkFactory.createChunkType({ - - type:"geometry", - - /** - * As we apply a list of state chunks in a {@link SceneJS_Display}, we track the ID of each chunk - * in order to avoid redundantly re-applying the same chunk. - * - * We don't want that for draw chunks however, because they contain GL drawElements calls, - * which we need to do for each object. - */ - unique:true, - - build:function () { - - var draw = this.program.draw; - - this._aVertexDraw = draw.getAttribute("SCENEJS_aVertex"); - this._aNormalDraw = draw.getAttribute("SCENEJS_aNormal"); - this._aUVDraw = draw.getAttribute("SCENEJS_aUVCoord"); - this._aUV2Draw = draw.getAttribute("SCENEJS_aUVCoord2"); - this._aColorDraw = draw.getAttribute("SCENEJS_aVertexColor"); - - var pick = this.program.pick; - - this._aVertexPick = pick.getAttribute("SCENEJS_aVertex"); - this._aNormalPick = pick.getAttribute("SCENEJS_aNormal"); - this._aUVPick = pick.getAttribute("SCENEJS_aUVCoord"); - this._aUV2Pick = pick.getAttribute("SCENEJS_aUVCoord2"); - this._aColorPick = pick.getAttribute("SCENEJS_aVertexColor"); - }, - - draw:function (ctx) { - - var gl = this.program.gl; - - if (ctx.geoChunkId != this.id) { // HACK until we have distinct state chunks for VBOs and draw call - - if (this._aVertexDraw && !ctx.vertexBuf) { - this._aVertexDraw.bindFloatArrayBuffer(this.core.vertexBuf); - } - - if (this._aNormalDraw && !ctx.normalBuf) { - this._aNormalDraw.bindFloatArrayBuffer(this.core.normalBuf); - } - - if (this._aUVDraw && !ctx.uvBuf) { - this._aUVDraw.bindFloatArrayBuffer(this.core.uvBuf); - } - - if (this._aUV2Draw && !ctx.uvBuf2) { - this._aUV2Draw.bindFloatArrayBuffer(this.core.uvBuf2); - } - - if (this._aColorDraw && !ctx.colorBuf) { - this._aColorDraw.bindFloatArrayBuffer(this.core.colorBuf); - } - - this.core.indexBuf.bind(); - - ctx.geoChunkId = this.id; - } - - gl.drawElements(this.core.primitive, this.core.indexBuf.numItems, gl.UNSIGNED_SHORT, 0); - }, - - pick:function (ctx) { - - var gl = this.program.gl; - - if (ctx.geoChunkId != this.id) { // HACK until we have distinct state chunks for VBOs and draw call - - if (this._aVertexPick && !ctx.vertexBuf) { - this._aVertexPick.bindFloatArrayBuffer(this.core.vertexBuf); - } - - if (this._aNormalPick && !ctx.normalBuf) { - this._aNormalPick.bindFloatArrayBuffer(this.core.normalBuf); - } - - if (this._aUVPick && !ctx.uvBuf) { - this._aUVPick.bindFloatArrayBuffer(this.core.uvBuf); - } - - if (this._aUV2Pick && !ctx.uvBuf2) { - this._aUV2Pick.bindFloatArrayBuffer(this.core.uvBuf2); - } - - this.core.indexBuf.bind(); - - ctx.geoChunkId = this.id; - } - - gl.drawElements(this.core.primitive, this.core.indexBuf.numItems, gl.UNSIGNED_SHORT, 0); - } -});/** - * Create display state chunk type for draw render of lights projection - */ -SceneJS_ChunkFactory.createChunkType({ - - type:"lights", - - build:function () { - - this._uAmbientColor = this._uAmbientColor || []; - this._uLightColor = this._uLightColor || []; - this._uLightDir = this._uLightDir || []; - this._uLightPos = this._uLightPos || []; - this._uLightCutOff = this._uLightCutOff || []; - this._uLightSpotExp = this._uLightSpotExp || []; - this._uLightAttenuation = this._uLightAttenuation || []; - - var lights = this.core.lights; - var program = this.program; - - for (var i = 0, len = lights.length; i < len; i++) { - - switch (lights[i].mode) { - - case "ambient": - this._uAmbientColor[i] = (program.draw.getUniformLocation("SCENEJS_uAmbientColor")); - break; - - case "dir": - this._uLightColor[i] = program.draw.getUniformLocation("SCENEJS_uLightColor" + i); - this._uLightPos[i] = null; - this._uLightDir[i] = program.draw.getUniformLocation("SCENEJS_uLightDir" + i); - break; - - case "point": - this._uLightColor[i] = program.draw.getUniformLocation("SCENEJS_uLightColor" + i); - this._uLightPos[i] = program.draw.getUniformLocation("SCENEJS_uLightPos" + i); - this._uLightDir[i] = null; - this._uLightAttenuation[i] = program.draw.getUniformLocation("SCENEJS_uLightAttenuation" + i); - break; - } - } - }, - - draw:function (ctx) { - - if (ctx.dirty) { - this.build(); - } - - var lights = this.core.lights; - var light; - - var gl = this.program.gl; - - for (var i = 0, len = lights.length; i < len; i++) { - - light = lights[i]; - - if (this._uAmbientColor[i]) { - gl.uniform3fv(this._uAmbientColor[i], light.color); - - } else { - - if (this._uLightColor[i]) { - gl.uniform3fv(this._uLightColor[i], light.color); - } - - if (this._uLightPos[i]) { - gl.uniform3fv(this._uLightPos[i], light.pos); - - if (this._uLightAttenuation[i]) { - gl.uniform3fv(this._uLightAttenuation[i], light.attenuation); - } - } - - if (this._uLightDir[i]) { - gl.uniform3fv(this._uLightDir[i], light.dir); - } - } - } - } -});/** - * - */ -SceneJS_ChunkFactory.createChunkType({ - - type: "listeners", - - build : function() { - }, - - draw : function(ctx) { - - var listeners = this.core.listeners; - var renderListenerCtx = ctx.renderListenerCtx; - - for (var i = listeners.length - 1; i >= 0; i--) { // Child listeners first - if (listeners[i](renderListenerCtx) === true) { // Call listener with query facade object as scope - return true; - } - } - } -});/** - * Create display state chunk type for draw and pick render of lookAt transform - */ -SceneJS_ChunkFactory.createChunkType({ - - type: "lookAt", - - build : function() { - - this._uvMatrixDraw = this.program.draw.getUniformLocation("SCENEJS_uVMatrix"); - this._uVNMatrixDraw = this.program.draw.getUniformLocation("SCENEJS_uVNMatrix"); - this._uWorldEyeDraw = this.program.draw.getUniformLocation("SCENEJS_uWorldEye"); - - this._uvMatrixPick = this.program.pick.getUniformLocation("SCENEJS_uVMatrix"); - }, - - draw : function(ctx) { - - if (this.core.dirty) { - this.core.rebuild(); - } - - var gl = this.program.gl; - - if (this._uvMatrixDraw) { - gl.uniformMatrix4fv(this._uvMatrixDraw, gl.FALSE, this.core.mat); - } - - if (this._uVNMatrixDraw) { - gl.uniformMatrix4fv(this._uVNMatrixDraw, gl.FALSE, this.core.normalMat); - } - - if (this._uWorldEyeDraw) { - gl.uniform3fv(this._uWorldEyeDraw, this.core.lookAt.eye); - } - - ctx.viewMat = this.core.mat; - }, - - pick : function(ctx) { - - var gl = this.program.gl; - - if (this._uvMatrixPick) { - gl.uniformMatrix4fv(this._uvMatrixPick, gl.FALSE, this.core.mat); - } - - ctx.viewMat = this.core.mat; - } -});/** - * Create display state chunk type for draw render of material transform - */ -SceneJS_ChunkFactory.createChunkType({ - - type: "material", - - build : function() { - - var draw = this.program.draw; - - this._uMaterialBaseColor = draw.getUniformLocation("SCENEJS_uMaterialBaseColor"); - this._uMaterialSpecularColor = draw.getUniformLocation("SCENEJS_uMaterialSpecularColor"); - this._uMaterialSpecular = draw.getUniformLocation("SCENEJS_uMaterialSpecular"); - this._uMaterialShine = draw.getUniformLocation("SCENEJS_uMaterialShine"); - this._uMaterialEmit = draw.getUniformLocation("SCENEJS_uMaterialEmit"); - this._uMaterialAlpha = draw.getUniformLocation("SCENEJS_uMaterialAlpha"); - }, - - draw : function() { - - var gl = this.program.gl; - - if (this._uMaterialBaseColor) { - gl.uniform3fv(this._uMaterialBaseColor, this.core.baseColor); - } - - if (this._uMaterialSpecularColor) { - gl.uniform3fv(this._uMaterialSpecularColor, this.core.specularColor); - } - - if (this._uMaterialSpecular) { - gl.uniform1f(this._uMaterialSpecular, this.core.specular); - } - - if (this._uMaterialShine) { - gl.uniform1f(this._uMaterialShine, this.core.shine); - } - - if (this._uMaterialEmit) { - gl.uniform1f(this._uMaterialEmit, this.core.emit); - } - - if (this._uMaterialAlpha) { - gl.uniform1f(this._uMaterialAlpha, this.core.alpha); - } - } -});/** - * Create display state chunk type for draw render of material transform - */ -SceneJS_ChunkFactory.createChunkType({ - - type:"morphGeometry", - - build:function () { - - var draw = this.program.draw; - - this._aVertexDraw = draw.getAttribute("SCENEJS_aVertex"); - this._aNormalDraw = draw.getAttribute("SCENEJS_aNormal"); - this._aUVDraw = draw.getAttribute("SCENEJS_aUVCoord"); - this._aUV2Draw = draw.getAttribute("SCENEJS_aUVCoord2"); - this._aColorDraw = draw.getAttribute("SCENEJS_aVertexColor"); - - this._aMorphVertexDraw = draw.getAttribute("SCENEJS_aMorphVertex"); - this._aMorphNormalDraw = draw.getAttribute("SCENEJS_aMorphNormal"); - this._aMorphUVDraw = draw.getAttribute("SCENEJS_aMorphUVCoord"); - this._aMorphUV2Draw = draw.getAttribute("SCENEJS_aMorphUVCoord2"); - this._aMorphColorDraw = draw.getAttribute("SCENEJS_aMorphColor"); - this._uMorphFactorDraw = draw.getUniformLocation("SCENEJS_uMorphFactor"); - - var pick = this.program.pick; - - this._aVertexPick = pick.getAttribute("SCENEJS_aVertex"); - this._aNormalPick = pick.getAttribute("SCENEJS_aNormal"); - this._aUVPick = pick.getAttribute("SCENEJS_aUVCoord"); - this._aUV2Pick = pick.getAttribute("SCENEJS_aUVCoord2"); - this._aColorPick = pick.getAttribute("SCENEJS_aVertexColor"); - - this._aMorphVertexPick = pick.getAttribute("SCENEJS_aMorphVertex"); - this._aMorphNormalPick = pick.getAttribute("SCENEJS_aMorphNormal"); - this._aMorphUVPick = pick.getAttribute("SCENEJS_aMorphUVCoord"); - this._aMorphUV2Pick = pick.getAttribute("SCENEJS_aMorphUVCoord2"); - this._aMorphColorPick = pick.getAttribute("SCENEJS_aMorphColor"); - this._uMorphFactorPick = pick.getUniformLocation("SCENEJS_uMorphFactor"); - }, - - draw:function (ctx) { - - var targets = this.core.targets; - - if (!targets || targets.length == 0) { - ctx.vertexBuf = false; - ctx.normalBuf = false; - ctx.uvBuf = false; - ctx.uvBuf2 = false; - ctx.colorBuf = false; - return; - } - - var gl = this.program.gl; - - var target1 = this.core.targets[this.core.key1]; // Keys will update - var target2 = this.core.targets[this.core.key2]; - - if (this._aMorphVertexDraw) { - this._aVertexDraw.bindFloatArrayBuffer(target1.vertexBuf); - this._aMorphVertexDraw.bindFloatArrayBuffer(target2.vertexBuf); - ctx.vertexBuf = true; - } else { - ctx.vertexBuf = false; - } - - if (this._aMorphNormalDraw) { - this._aNormalDraw.bindFloatArrayBuffer(target1.normalBuf); - this._aMorphNormalDraw.bindFloatArrayBuffer(target2.normalBuf); - ctx.normalBuf = true; - } else { - ctx.normalBuf = false; - } - - if (this._aMorphUVDraw) { - this._aUVDraw.bindFloatArrayBuffer(target1.uvBuf); - this._aMorphUVDraw.bindFloatArrayBuffer(target2.uvBuf); - ctx.uvBuf = true; - } else { - ctx.uvBuf = false; - } - - if (this._aMorphUV2Draw) { - this._aUV2Draw.bindFloatArrayBuffer(target1.uvBuf2); - this._aMorphUV2Draw.bindFloatArrayBuffer(target2.uvBuf2); - ctx.uvBuf2 = true; - } else { - ctx.uvBuf2 = false; - } - - if (this._aMorphColorDraw) { - this._aColorDraw.bindFloatArrayBuffer(target1.colorBuf); - this._aMorphColorDraw.bindFloatArrayBuffer(target2.colorBuf); - ctx.colorBuf = true; - } else { - ctx.colorBuf = false; - } - - if (this._uMorphFactorDraw) { - gl.uniform1f(this._uMorphFactorDraw, this.core.factor); // Bind LERP factor - } - }, - - pick:function (ctx) { - - var targets = this.core.targets; - - if (!targets || targets.length == 0) { - ctx.vertexBuf = false; - ctx.normalBuf = false; - ctx.uvBuf = false; - ctx.uvBuf2 = false; - ctx.colorBuf = false; - return; - } - - var gl = this.program.gl; - - var target1 = targets[this.core.key1]; // Keys will update - var target2 = targets[this.core.key2]; - - if (this._aMorphVertexPick) { - this._aVertexPick.bindFloatArrayBuffer(target1.vertexBuf); - this._aMorphVertexPick.bindFloatArrayBuffer(target2.vertexBuf); - ctx.vertexBuf = true; - } else { - ctx.vertexBuf = false; - } - - if (this._aMorphNormalPick) { - this._aNormalPick.bindFloatArrayBuffer(target1.normalBuf); - this._aMorphNormalPick.bindFloatArrayBuffer(target2.normalBuf); - ctx.normalBuf = true; - } else { - ctx.normalBuf = false; - } - - if (this._aMorphUVPick) { - this._aUVPick.bindFloatArrayBuffer(target1.uvBuf); - this._aMorphUVPick.bindFloatArrayBuffer(target2.uvBuf); - ctx.uvBuf = true; - } else { - ctx.uvBuf = false; - } - - if (this._aMorphUV2Pick) { - this._aUV2Pick.bindFloatArrayBuffer(target1.uvBuf2); - this._aMorphUV2Pick.bindFloatArrayBuffer(target2.uvBuf2); - ctx.uvBuf2 = true; - } else { - ctx.uvBuf2 = false; - } - - if (this._aMorphColorPick) { - this._aColorPick.bindFloatArrayBuffer(target1.colorBuf); - this._aMorphColorPick.bindFloatArrayBuffer(target2.colorBuf); - ctx.colorBuf = true; - } else { - ctx.colorBuf = false; - } - - if (this._uMorphFactorPick) { - gl.uniform1f(this._uMorphFactorPick, this.core.factor); // Bind LERP factor - } - } -}); -/** - * Create display state chunk type for draw render of material transform - */ -SceneJS_ChunkFactory.createChunkType({ - - type: "name", - - build : function() { - this._uPickColor = this.program.pick.getUniformLocation("SCENEJS_uPickColor"); - }, - - pick : function(ctx) { - - if (this._uPickColor && this.core.name) { - - ctx.pickNames[ctx.pickIndex++] = this.core.name; - - var b = ctx.pickIndex >> 16 & 0xFF; - var g = ctx.pickIndex >> 8 & 0xFF; - var r = ctx.pickIndex & 0xFF; - - this.program.gl.uniform3fv(this._uPickColor, [r / 255, g / 255, b / 255]); - } - } -});SceneJS_ChunkFactory.createChunkType({ - - type: "program", - - build : function() { - this._rayPickMode = this.program.pick.getUniformLocation("SCENEJS_uRayPickMode"); - }, - - draw : function(frameCtx) { - - var drawProgram = this.program.draw; - - if (frameCtx.program) { - frameCtx.program.unbind(); - } - - drawProgram.bind(); - - frameCtx.program = drawProgram; - - /* - * HACK until we have distinct chunk for each VBO (maybe) - */ - frameCtx.vertexBuf = false; - frameCtx.normalBuf = false; - frameCtx.uvBuf = false; - frameCtx.uvBuf2 = false; - frameCtx.colorBuf = false; - - frameCtx.geoChunkId = null; // HACK until we have distinct state chunks for VBOs and draw call - - var gl = this.program.gl; - - for (var i = 0; i < 10; i++) { - gl.disableVertexAttribArray(i); - } - }, - - pick : function(frameCtx) { - - var pickProgram = this.program.pick; - - if (frameCtx.program) { - frameCtx.program.unbind(); - } - - pickProgram.bind(); - - var gl = this.program.gl; - - gl.uniform1i(this._rayPickMode, frameCtx.rayPick); - - frameCtx.program = pickProgram; - - /* - * HACK until we have distinct chunk for each VBO (maybe) - */ - frameCtx.vertexBuf = false; - frameCtx.normalBuf = false; - frameCtx.uvBuf = false; - frameCtx.uvBuf2 = false; - frameCtx.colorBuf = false; - - frameCtx.geoChunkId = null; // HACK until we have distinct state chunks for VBOs and draw call - - for (var i = 0; i < 10; i++) { - gl.disableVertexAttribArray(i); - } - } -}); - - - -/** - * - */ -SceneJS_ChunkFactory.createChunkType({ - - type: "renderer", - - build : function() { - }, - - drawAndPick : function(ctx) { - - if (this.core.props) { - - var gl = this.program.gl; - - if (ctx.renderer) { - ctx.renderer.props.restoreProps(gl); - ctx.renderer = this.core; - } - - this.core.props.setProps(gl); - } - } -}); -/** - * - */ -SceneJS_ChunkFactory.createChunkType({ - - type: "shader", - - build : function() { - }, - - drawAndPick : function(ctx) { - - var paramsStack = this.core.paramsStack; - - if (paramsStack) { - - var program = ctx.pick ? this.program.pick : this.program.draw; - var params; - var name; - - for (var i = 0, len = paramsStack.length; i < len; i++) { - params = paramsStack[i]; - for (name in params) { - if (params.hasOwnProperty(name)) { - program.setUniform(name, params[name]); // TODO: cache locations - } - } - } - } - } -});/** - * - */ -SceneJS_ChunkFactory.createChunkType({ - - type: "shaderParams", - - build : function() { - }, - - drawAndPick: function(ctx) { - - var paramsStack = this.core.paramsStack; - - if (paramsStack) { - - var program = ctx.pick ? this.program.pick : this.program.draw; - var params; - var name; - - for (var i = 0, len = paramsStack.length; i < len; i++) { - params = paramsStack[i]; - for (name in params) { - if (params.hasOwnProperty(name)) { - program.setUniform(name, params[name]); // TODO: cache locations - } - } - } - } - } -});SceneJS_ChunkFactory.createChunkType({ - - type: "texture", - - build : function() { - - this._uTexSampler = this._uTexSampler || []; - this._uTexMatrix = this._uTexMatrix || []; - this._uTexBlendFactor = this._uTexBlendFactor || []; - - var layers = this.core.layers; - - if (layers) { - - var layer; - var draw = this.program.draw; - - for (var i = 0, len = layers.length; i < len; i++) { - - layer = layers[i]; - - this._uTexSampler[i] = "SCENEJS_uSampler" + i; - - this._uTexMatrix[i] = layer.matrixAsArray - ? draw.getUniform("SCENEJS_uLayer" + i + "Matrix") - : null; - - this._uTexBlendFactor[i] = draw.getUniform("SCENEJS_uLayer" + i + "BlendFactor"); - } - } - }, - - draw : function() { - - var layers = this.core.layers; - - if (layers) { - - var draw = this.program.draw; - var layer; - - for (var i = 0, len = layers.length; i < len; i++) { - - layer = layers[i]; - - if (this._uTexSampler[i] && layer.texture) { // Lazy-loads - - draw.bindTexture(this._uTexSampler[i], layer.texture, i); - - if (this._uTexMatrix[i]) { - this._uTexMatrix[i].setValue(layer.matrixAsArray); - } - - if (this._uTexBlendFactor[i]) { - this._uTexBlendFactor[i].setValue(layer.blendFactor); - } - - } else { - // draw.bindTexture(this._uTexSampler[i], null, i); // Unbind - } - } - } - } -});SceneJS_ChunkFactory.createChunkType({ - - type: "xform", - - build : function() { - - var draw = this.program.draw; - - this._uMatLocationDraw = draw.getUniformLocation("SCENEJS_uMMatrix"); - this._uNormalMatLocationDraw = draw.getUniformLocation("SCENEJS_uMNMatrix"); - - var pick = this.program.pick; - - this._uMatLocationPick = pick.getUniformLocation("SCENEJS_uMMatrix"); - this._uNormalMatLocationPick = pick.getUniformLocation("SCENEJS_uMNMatrix"); - }, - - draw : function(ctx) { - - /* Rebuild core's matrix from matrices at cores on path up to root - */ - if (this.core.dirty && this.core.build) { - this.core.build(); - } - - var gl = this.program.gl; - - if (this._uMatLocationDraw) { - gl.uniformMatrix4fv(this._uMatLocationDraw, gl.FALSE, this.core.mat); - } - - if (this._uNormalMatLocationDraw) { - gl.uniformMatrix4fv(this._uNormalMatLocationDraw, gl.FALSE, this.core.normalMat); - } - - ctx.modelMat = this.core.mat; - }, - - pick : function(ctx) { - - /* Rebuild core's matrix from matrices at cores on path up to root - */ - if (this.core.dirty) { - this.core.build(); - } - - var gl = this.program.gl; - - if (this._uMatLocationPick) { - gl.uniformMatrix4fv(this._uMatLocationPick, gl.FALSE, this.core.mat); - } - - if (this._uNormalMatLocationPick) { - gl.uniformMatrix4fv(this._uNormalMatLocationPick, gl.FALSE, this.core.normalMat); - } - - ctx.modelMat = this.core.mat; - } -}); -SceneJS.configure({ pluginPath: "http://xeolabs.github.com/scenejs/api/dev/plugins" }); \ No newline at end of file diff --git a/api/latest/plugins/geometry/sphere.js b/api/latest/plugins/geometry/sphere.js index 4a808878..34f9978a 100644 --- a/api/latest/plugins/geometry/sphere.js +++ b/api/latest/plugins/geometry/sphere.js @@ -23,7 +23,7 @@ SceneJS.Plugins.addPlugin( var latitudeBands = cfg.latitudeBands || 30; var longitudeBands = cfg.longitudeBands || 30; - var radius = cfg.radius || 2; + var radius = cfg.radius || 1; var positions = []; var normals = []; diff --git a/api/latest/scenejs.js b/api/latest/scenejs.js index eacbc5bc..2899546c 100644 --- a/api/latest/scenejs.js +++ b/api/latest/scenejs.js @@ -14,846 +14,7 @@ * Various functions for helping debug WebGL apps. * http://khronos.org/webgl/wiki/Debugging * Copyright (c) 2009 The Chromium Authors. All rights reserved. - */ -WebGLDebugUtils = function() { - -/** - * Wrapped logging function. - * @param {string} msg Message to log. - */ -var log = function(msg) { - if (window.console && window.console.log) { - window.console.log(msg); - } -}; - -/** - * Which arguements are enums. - * @type {!Object.} - */ -var glValidEnumContexts = { - - // Generic setters and getters - - 'enable': { 0:true }, - 'disable': { 0:true }, - 'getParameter': { 0:true }, - - // Rendering - - 'drawArrays': { 0:true }, - 'drawElements': { 0:true, 2:true }, - - // Shaders - - 'createShader': { 0:true }, - 'getShaderParameter': { 1:true }, - 'getProgramParameter': { 1:true }, - - // Vertex attributes - - 'getVertexAttrib': { 1:true }, - 'vertexAttribPointer': { 2:true }, - - // Textures - - 'bindTexture': { 0:true }, - 'activeTexture': { 0:true }, - 'getTexParameter': { 0:true, 1:true }, - 'texParameterf': { 0:true, 1:true }, - 'texParameteri': { 0:true, 1:true, 2:true }, - 'texImage2D': { 0:true, 2:true, 6:true, 7:true }, - 'texSubImage2D': { 0:true, 6:true, 7:true }, - 'copyTexImage2D': { 0:true, 2:true }, - 'copyTexSubImage2D': { 0:true }, - 'generateMipmap': { 0:true }, - - // Buffer objects - - 'bindBuffer': { 0:true }, - 'bufferData': { 0:true, 2:true }, - 'bufferSubData': { 0:true }, - 'getBufferParameter': { 0:true, 1:true }, - - // Renderbuffers and framebuffers - - 'pixelStorei': { 0:true, 1:true }, - 'readPixels': { 4:true, 5:true }, - 'bindRenderbuffer': { 0:true }, - 'bindFramebuffer': { 0:true }, - 'checkFramebufferStatus': { 0:true }, - 'framebufferRenderbuffer': { 0:true, 1:true, 2:true }, - 'framebufferTexture2D': { 0:true, 1:true, 2:true }, - 'getFramebufferAttachmentParameter': { 0:true, 1:true, 2:true }, - 'getRenderbufferParameter': { 0:true, 1:true }, - 'renderbufferStorage': { 0:true, 1:true }, - - // Frame buffer operations (clear, blend, depth test, stencil) - - 'clear': { 0:true }, - 'depthFunc': { 0:true }, - 'blendFunc': { 0:true, 1:true }, - 'blendFuncSeparate': { 0:true, 1:true, 2:true, 3:true }, - 'blendEquation': { 0:true }, - 'blendEquationSeparate': { 0:true, 1:true }, - 'stencilFunc': { 0:true }, - 'stencilFuncSeparate': { 0:true, 1:true }, - 'stencilMaskSeparate': { 0:true }, - 'stencilOp': { 0:true, 1:true, 2:true }, - 'stencilOpSeparate': { 0:true, 1:true, 2:true, 3:true }, - - // Culling - - 'cullFace': { 0:true }, - 'frontFace': { 0:true }, -}; - -/** - * Map of numbers to names. - * @type {Object} - */ -var glEnums = null; - -/** - * Initializes this module. Safe to call more than once. - * @param {!WebGLRenderingContext} ctx A WebGL context. If - * you have more than one context it doesn't matter which one - * you pass in, it is only used to pull out constants. - */ -function init(ctx) { - if (glEnums == null) { - glEnums = { }; - for (var propertyName in ctx) { - if (typeof ctx[propertyName] == 'number') { - glEnums[ctx[propertyName]] = propertyName; - } - } - } -} - -/** - * Checks the utils have been initialized. - */ -function checkInit() { - if (glEnums == null) { - throw 'WebGLDebugUtils.init(ctx) not called'; - } -} - -/** - * Returns true or false if value matches any WebGL enum - * @param {*} value Value to check if it might be an enum. - * @return {boolean} True if value matches one of the WebGL defined enums - */ -function mightBeEnum(value) { - checkInit(); - return (glEnums[value] !== undefined); -} - -/** - * Gets an string version of an WebGL enum. - * - * Example: - * var str = WebGLDebugUtil.glEnumToString(ctx.getError()); - * - * @param {number} value Value to return an enum for - * @return {string} The string version of the enum. - */ -function glEnumToString(value) { - checkInit(); - var name = glEnums[value]; - return (name !== undefined) ? name : - ("*UNKNOWN WebGL ENUM (0x" + value.toString(16) + ")"); -} - -/** - * Returns the string version of a WebGL argument. - * Attempts to convert enum arguments to strings. - * @param {string} functionName the name of the WebGL function. - * @param {number} argumentIndx the index of the argument. - * @param {*} value The value of the argument. - * @return {string} The value as a string. - */ -function glFunctionArgToString(functionName, argumentIndex, value) { - var funcInfo = glValidEnumContexts[functionName]; - if (funcInfo !== undefined) { - if (funcInfo[argumentIndex]) { - return glEnumToString(value); - } - } - if (value === null) { - return "null"; - } else if (value === undefined) { - return "undefined"; - } else { - return value.toString(); - } -} - -/** - * Converts the arguments of a WebGL function to a string. - * Attempts to convert enum arguments to strings. - * - * @param {string} functionName the name of the WebGL function. - * @param {number} args The arguments. - * @return {string} The arguments as a string. - */ -function glFunctionArgsToString(functionName, args) { - // apparently we can't do args.join(","); - var argStr = ""; - for (var ii = 0; ii < args.length; ++ii) { - argStr += ((ii == 0) ? '' : ', ') + - glFunctionArgToString(functionName, ii, args[ii]); - } - return argStr; -}; - - -function makePropertyWrapper(wrapper, original, propertyName) { - //log("wrap prop: " + propertyName); - wrapper.__defineGetter__(propertyName, function() { - return original[propertyName]; - }); - // TODO(gmane): this needs to handle properties that take more than - // one value? - wrapper.__defineSetter__(propertyName, function(value) { - //log("set: " + propertyName); - original[propertyName] = value; - }); -} - -// Makes a function that calls a function on another object. -function makeFunctionWrapper(original, functionName) { - //log("wrap fn: " + functionName); - var f = original[functionName]; - return function() { - //log("call: " + functionName); - var result = f.apply(original, arguments); - return result; - }; -} - -/** - * Given a WebGL context returns a wrapped context that calls - * gl.getError after every command and calls a function if the - * result is not gl.NO_ERROR. - * - * @param {!WebGLRenderingContext} ctx The webgl context to - * wrap. - * @param {!function(err, funcName, args): void} opt_onErrorFunc - * The function to call when gl.getError returns an - * error. If not specified the default function calls - * console.log with a message. - * @param {!function(funcName, args): void} opt_onFunc The - * function to call when each webgl function is called. - * You can use this to log all calls for example. - */ -function makeDebugContext(ctx, opt_onErrorFunc, opt_onFunc) { - init(ctx); - opt_onErrorFunc = opt_onErrorFunc || function(err, functionName, args) { - // apparently we can't do args.join(","); - var argStr = ""; - for (var ii = 0; ii < args.length; ++ii) { - argStr += ((ii == 0) ? '' : ', ') + - glFunctionArgToString(functionName, ii, args[ii]); - } - log("WebGL error "+ glEnumToString(err) + " in "+ functionName + - "(" + argStr + ")"); - }; - - // Holds booleans for each GL error so after we get the error ourselves - // we can still return it to the client app. - var glErrorShadow = { }; - - // Makes a function that calls a WebGL function and then calls getError. - function makeErrorWrapper(ctx, functionName) { - return function() { - if (opt_onFunc) { - opt_onFunc(functionName, arguments); - } - var result = ctx[functionName].apply(ctx, arguments); - var err = ctx.getError(); - if (err != 0) { - glErrorShadow[err] = true; - opt_onErrorFunc(err, functionName, arguments); - } - return result; - }; - } - - // Make a an object that has a copy of every property of the WebGL context - // but wraps all functions. - var wrapper = {}; - for (var propertyName in ctx) { - if (typeof ctx[propertyName] == 'function') { - wrapper[propertyName] = makeErrorWrapper(ctx, propertyName); - } else { - makePropertyWrapper(wrapper, ctx, propertyName); - } - } - - // Override the getError function with one that returns our saved results. - wrapper.getError = function() { - for (var err in glErrorShadow) { - if (glErrorShadow.hasOwnProperty(err)) { - if (glErrorShadow[err]) { - glErrorShadow[err] = false; - return err; - } - } - } - return ctx.NO_ERROR; - }; - - return wrapper; -} - -function resetToInitialState(ctx) { - var numAttribs = ctx.getParameter(ctx.MAX_VERTEX_ATTRIBS); - var tmp = ctx.createBuffer(); - ctx.bindBuffer(ctx.ARRAY_BUFFER, tmp); - for (var ii = 0; ii < numAttribs; ++ii) { - ctx.disableVertexAttribArray(ii); - ctx.vertexAttribPointer(ii, 4, ctx.FLOAT, false, 0, 0); - ctx.vertexAttrib1f(ii, 0); - } - ctx.deleteBuffer(tmp); - - var numTextureUnits = ctx.getParameter(ctx.MAX_TEXTURE_IMAGE_UNITS); - for (var ii = 0; ii < numTextureUnits; ++ii) { - ctx.activeTexture(ctx.TEXTURE0 + ii); - ctx.bindTexture(ctx.TEXTURE_CUBE_MAP, null); - ctx.bindTexture(ctx.TEXTURE_2D, null); - } - - ctx.activeTexture(ctx.TEXTURE0); - ctx.useProgram(null); - ctx.bindBuffer(ctx.ARRAY_BUFFER, null); - ctx.bindBuffer(ctx.ELEMENT_ARRAY_BUFFER, null); - ctx.bindFramebuffer(ctx.FRAMEBUFFER, null); - ctx.bindRenderbuffer(ctx.RENDERBUFFER, null); - ctx.disable(ctx.BLEND); - ctx.disable(ctx.CULL_FACE); - ctx.disable(ctx.DEPTH_TEST); - ctx.disable(ctx.DITHER); - ctx.disable(ctx.SCISSOR_TEST); - ctx.blendColor(0, 0, 0, 0); - ctx.blendEquation(ctx.FUNC_ADD); - ctx.blendFunc(ctx.ONE, ctx.ZERO); - ctx.clearColor(0, 0, 0, 0); - ctx.clearDepth(1); - ctx.clearStencil(-1); - ctx.colorMask(true, true, true, true); - ctx.cullFace(ctx.BACK); - ctx.depthFunc(ctx.LESS); - ctx.depthMask(true); - ctx.depthRange(0, 1); - ctx.frontFace(ctx.CCW); - ctx.hint(ctx.GENERATE_MIPMAP_HINT, ctx.DONT_CARE); - ctx.lineWidth(1); - ctx.pixelStorei(ctx.PACK_ALIGNMENT, 4); - ctx.pixelStorei(ctx.UNPACK_ALIGNMENT, 4); - ctx.pixelStorei(ctx.UNPACK_FLIP_Y_WEBGL, false); - ctx.pixelStorei(ctx.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); - // TODO: Delete this IF. - if (ctx.UNPACK_COLORSPACE_CONVERSION_WEBGL) { - ctx.pixelStorei(ctx.UNPACK_COLORSPACE_CONVERSION_WEBGL, ctx.BROWSER_DEFAULT_WEBGL); - } - ctx.polygonOffset(0, 0); - ctx.sampleCoverage(1, false); - ctx.scissor(0, 0, ctx.canvas.width, ctx.canvas.height); - ctx.stencilFunc(ctx.ALWAYS, 0, 0xFFFFFFFF); - ctx.stencilMask(0xFFFFFFFF); - ctx.stencilOp(ctx.KEEP, ctx.KEEP, ctx.KEEP); - ctx.viewport(0, 0, ctx.canvas.width, ctx.canvas.height); - ctx.clear(ctx.COLOR_BUFFER_BIT | ctx.DEPTH_BUFFER_BIT | ctx.STENCIL_BUFFER_BIT); - - // TODO: This should NOT be needed but Firefox fails with 'hint' - while(ctx.getError()); -} - -function makeLostContextSimulatingCanvas(canvas) { - var unwrappedContext_; - var wrappedContext_; - var onLost_ = []; - var onRestored_ = []; - var wrappedContext_ = {}; - var contextId_ = 1; - var contextLost_ = false; - var resourceId_ = 0; - var resourceDb_ = []; - var numCallsToLoseContext_ = 0; - var numCalls_ = 0; - var canRestore_ = false; - var restoreTimeout_ = 0; - - // Holds booleans for each GL error so can simulate errors. - var glErrorShadow_ = { }; - - canvas.getContext = function(f) { - return function() { - var ctx = f.apply(canvas, arguments); - // Did we get a context and is it a WebGL context? - if (ctx instanceof WebGLRenderingContext) { - if (ctx != unwrappedContext_) { - if (unwrappedContext_) { - throw "got different context" - } - unwrappedContext_ = ctx; - wrappedContext_ = makeLostContextSimulatingContext(unwrappedContext_); - } - return wrappedContext_; - } - return ctx; - } - }(canvas.getContext); - - function wrapEvent(listener) { - if (typeof(listener) == "function") { - return listener; - } else { - return function(info) { - listener.handleEvent(info); - } - } - } - - var addOnContextLostListener = function(listener) { - onLost_.push(wrapEvent(listener)); - }; - - var addOnContextRestoredListener = function(listener) { - onRestored_.push(wrapEvent(listener)); - }; - - - function wrapAddEventListener(canvas) { - var f = canvas.addEventListener; - canvas.addEventListener = function(type, listener, bubble) { - switch (type) { - case 'webglcontextlost': - addOnContextLostListener(listener); - break; - case 'webglcontextrestored': - addOnContextRestoredListener(listener); - break; - default: - f.apply(canvas, arguments); - } - }; - } - - wrapAddEventListener(canvas); - - canvas.loseContext = function() { - if (!contextLost_) { - contextLost_ = true; - numCallsToLoseContext_ = 0; - ++contextId_; - while (unwrappedContext_.getError()); - clearErrors(); - glErrorShadow_[unwrappedContext_.CONTEXT_LOST_WEBGL] = true; - var event = makeWebGLContextEvent("context lost"); - var callbacks = onLost_.slice(); - setTimeout(function() { - //log("numCallbacks:" + callbacks.length); - for (var ii = 0; ii < callbacks.length; ++ii) { - //log("calling callback:" + ii); - callbacks[ii](event); - } - if (restoreTimeout_ >= 0) { - setTimeout(function() { - canvas.restoreContext(); - }, restoreTimeout_); - } - }, 0); - } - }; - - canvas.restoreContext = function() { - if (contextLost_) { - if (onRestored_.length) { - setTimeout(function() { - if (!canRestore_) { - throw "can not restore. webglcontestlost listener did not call event.preventDefault"; - } - freeResources(); - resetToInitialState(unwrappedContext_); - contextLost_ = false; - numCalls_ = 0; - canRestore_ = false; - var callbacks = onRestored_.slice(); - var event = makeWebGLContextEvent("context restored"); - for (var ii = 0; ii < callbacks.length; ++ii) { - callbacks[ii](event); - } - }, 0); - } - } - }; - - canvas.loseContextInNCalls = function(numCalls) { - if (contextLost_) { - throw "You can not ask a lost contet to be lost"; - } - numCallsToLoseContext_ = numCalls_ + numCalls; - }; - - canvas.getNumCalls = function() { - return numCalls_; - }; - - canvas.setRestoreTimeout = function(timeout) { - restoreTimeout_ = timeout; - }; - - function isWebGLObject(obj) { - //return false; - return (obj instanceof WebGLBuffer || - obj instanceof WebGLFramebuffer || - obj instanceof WebGLProgram || - obj instanceof WebGLRenderbuffer || - obj instanceof WebGLShader || - obj instanceof WebGLTexture); - } - - function checkResources(args) { - for (var ii = 0; ii < args.length; ++ii) { - var arg = args[ii]; - if (isWebGLObject(arg)) { - return arg.__webglDebugContextLostId__ == contextId_; - } - } - return true; - } - - function clearErrors() { - var k = Object.keys(glErrorShadow_); - for (var ii = 0; ii < k.length; ++ii) { - delete glErrorShadow_[k]; - } - } - - function loseContextIfTime() { - ++numCalls_; - if (!contextLost_) { - if (numCallsToLoseContext_ == numCalls_) { - canvas.loseContext(); - } - } - } - - // Makes a function that simulates WebGL when out of context. - function makeLostContextFunctionWrapper(ctx, functionName) { - var f = ctx[functionName]; - return function() { - // log("calling:" + functionName); - // Only call the functions if the context is not lost. - loseContextIfTime(); - if (!contextLost_) { - //if (!checkResources(arguments)) { - // glErrorShadow_[wrappedContext_.INVALID_OPERATION] = true; - // return; - //} - - var result = f.apply(ctx, arguments); - return result; - } - }; - } - - function freeResources() { - for (var ii = 0; ii < resourceDb_.length; ++ii) { - var resource = resourceDb_[ii]; - if (resource instanceof WebGLBuffer) { - unwrappedContext_.deleteBuffer(resource); - } else if (resource instanceof WebGLFramebuffer) { - unwrappedContext_.deleteFramebuffer(resource); - } else if (resource instanceof WebGLProgram) { - unwrappedContext_.deleteProgram(resource); - } else if (resource instanceof WebGLRenderbuffer) { - unwrappedContext_.deleteRenderbuffer(resource); - } else if (resource instanceof WebGLShader) { - unwrappedContext_.deleteShader(resource); - } else if (resource instanceof WebGLTexture) { - unwrappedContext_.deleteTexture(resource); - } - } - } - - function makeWebGLContextEvent(statusMessage) { - return { - statusMessage: statusMessage, - preventDefault: function() { - canRestore_ = true; - } - }; - } - - return canvas; - - function makeLostContextSimulatingContext(ctx) { - // copy all functions and properties to wrapper - for (var propertyName in ctx) { - if (typeof ctx[propertyName] == 'function') { - wrappedContext_[propertyName] = makeLostContextFunctionWrapper( - ctx, propertyName); - } else { - makePropertyWrapper(wrappedContext_, ctx, propertyName); - } - } - - // Wrap a few functions specially. - wrappedContext_.getError = function() { - loseContextIfTime(); - if (!contextLost_) { - var err; - while (err = unwrappedContext_.getError()) { - glErrorShadow_[err] = true; - } - } - for (var err in glErrorShadow_) { - if (glErrorShadow_[err]) { - delete glErrorShadow_[err]; - return err; - } - } - return wrappedContext_.NO_ERROR; - }; - - var creationFunctions = [ - "createBuffer", - "createFramebuffer", - "createProgram", - "createRenderbuffer", - "createShader", - "createTexture" - ]; - for (var ii = 0; ii < creationFunctions.length; ++ii) { - var functionName = creationFunctions[ii]; - wrappedContext_[functionName] = function(f) { - return function() { - loseContextIfTime(); - if (contextLost_) { - return null; - } - var obj = f.apply(ctx, arguments); - obj.__webglDebugContextLostId__ = contextId_; - resourceDb_.push(obj); - return obj; - }; - }(ctx[functionName]); - } - - var functionsThatShouldReturnNull = [ - "getActiveAttrib", - "getActiveUniform", - "getBufferParameter", - "getContextAttributes", - "getAttachedShaders", - "getFramebufferAttachmentParameter", - "getParameter", - "getProgramParameter", - "getProgramInfoLog", - "getRenderbufferParameter", - "getShaderParameter", - "getShaderInfoLog", - "getShaderSource", - "getTexParameter", - "getUniform", - "getUniformLocation", - "getVertexAttrib" - ]; - for (var ii = 0; ii < functionsThatShouldReturnNull.length; ++ii) { - var functionName = functionsThatShouldReturnNull[ii]; - wrappedContext_[functionName] = function(f) { - return function() { - loseContextIfTime(); - if (contextLost_) { - return null; - } - return f.apply(ctx, arguments); - } - }(wrappedContext_[functionName]); - } - - var isFunctions = [ - "isBuffer", - "isEnabled", - "isFramebuffer", - "isProgram", - "isRenderbuffer", - "isShader", - "isTexture" - ]; - for (var ii = 0; ii < isFunctions.length; ++ii) { - var functionName = isFunctions[ii]; - wrappedContext_[functionName] = function(f) { - return function() { - loseContextIfTime(); - if (contextLost_) { - return false; - } - return f.apply(ctx, arguments); - } - }(wrappedContext_[functionName]); - } - - wrappedContext_.checkFramebufferStatus = function(f) { - return function() { - loseContextIfTime(); - if (contextLost_) { - return wrappedContext_.FRAMEBUFFER_UNSUPPORTED; - } - return f.apply(ctx, arguments); - }; - }(wrappedContext_.checkFramebufferStatus); - - wrappedContext_.getAttribLocation = function(f) { - return function() { - loseContextIfTime(); - if (contextLost_) { - return -1; - } - return f.apply(ctx, arguments); - }; - }(wrappedContext_.getAttribLocation); - - wrappedContext_.getVertexAttribOffset = function(f) { - return function() { - loseContextIfTime(); - if (contextLost_) { - return 0; - } - return f.apply(ctx, arguments); - }; - }(wrappedContext_.getVertexAttribOffset); - - wrappedContext_.isContextLost = function() { - return contextLost_; - }; - - return wrappedContext_; - } -} - -return { - /** - * Initializes this module. Safe to call more than once. - * @param {!WebGLRenderingContext} ctx A WebGL context. If - } - * you have more than one context it doesn't matter which one - * you pass in, it is only used to pull out constants. - */ - 'init': init, - - /** - * Returns true or false if value matches any WebGL enum - * @param {*} value Value to check if it might be an enum. - * @return {boolean} True if value matches one of the WebGL defined enums - */ - 'mightBeEnum': mightBeEnum, - - /** - * Gets an string version of an WebGL enum. - * - * Example: - * WebGLDebugUtil.init(ctx); - * var str = WebGLDebugUtil.glEnumToString(ctx.getError()); - * - * @param {number} value Value to return an enum for - * @return {string} The string version of the enum. - */ - 'glEnumToString': glEnumToString, - - /** - * Converts the argument of a WebGL function to a string. - * Attempts to convert enum arguments to strings. - * - * Example: - * WebGLDebugUtil.init(ctx); - * var str = WebGLDebugUtil.glFunctionArgToString('bindTexture', 0, gl.TEXTURE_2D); - * - * would return 'TEXTURE_2D' - * - * @param {string} functionName the name of the WebGL function. - * @param {number} argumentIndx the index of the argument. - * @param {*} value The value of the argument. - * @return {string} The value as a string. - */ - 'glFunctionArgToString': glFunctionArgToString, - - /** - * Converts the arguments of a WebGL function to a string. - * Attempts to convert enum arguments to strings. - * - * @param {string} functionName the name of the WebGL function. - * @param {number} args The arguments. - * @return {string} The arguments as a string. - */ - 'glFunctionArgsToString': glFunctionArgsToString, - - /** - * Given a WebGL context returns a wrapped context that calls - * gl.getError after every command and calls a function if the - * result is not NO_ERROR. - * - * You can supply your own function if you want. For example, if you'd like - * an exception thrown on any GL error you could do this - * - * function throwOnGLError(err, funcName, args) { - * throw WebGLDebugUtils.glEnumToString(err) + - * " was caused by call to " + funcName; - * }; - * - * ctx = WebGLDebugUtils.makeDebugContext( - * canvas.getContext("webgl"), throwOnGLError); - * - * @param {!WebGLRenderingContext} ctx The webgl context to wrap. - * @param {!function(err, funcName, args): void} opt_onErrorFunc The function - * to call when gl.getError returns an error. If not specified the default - * function calls console.log with a message. - * @param {!function(funcName, args): void} opt_onFunc The - * function to call when each webgl function is called. You - * can use this to log all calls for example. - */ - 'makeDebugContext': makeDebugContext, - - /** - * Given a canvas element returns a wrapped canvas element that will - * simulate lost context. The canvas returned adds the following functions. - * - * loseContext: - * simulates a lost context event. - * - * restoreContext: - * simulates the context being restored. - * - * lostContextInNCalls: - * loses the context after N gl calls. - * - * getNumCalls: - * tells you how many gl calls there have been so far. - * - * setRestoreTimeout: - * sets the number of milliseconds until the context is restored - * after it has been lost. Defaults to 0. Pass -1 to prevent - * automatic restoring. - * - * @param {!Canvas} canvas The canvas element to wrap. - */ - 'makeLostContextSimulatingCanvas': makeLostContextSimulatingCanvas, - - /** - * Resets a context to the initial state. - * @param {!WebGLRenderingContext} ctx The webgl context to - * reset. - */ - 'resetToInitialState': resetToInitialState -}; - -}(); -/** + *//** * @class Generic map of IDs to items - can generate own IDs or accept given IDs. IDs should be strings in order to not * clash with internally generated IDs, which are numbers. * @private @@ -1576,6 +737,70 @@ SceneJS_Canvas.prototype.loseWebGLContext = function () { this.canvas.loseContext(); } };/** + * Progress indicator widget + */ +var SceneJS_Activity = function (id, options) { + +// var body = document.getElementsByTagName("body")[0]; +// var newdiv = document.createElement('div'); +// newdiv.style.height = "10px"; +// newdiv.style.width = "100px"; +// newdiv.style.padding = "0"; +// newdiv.style.margin = "0"; +// newdiv.style.left = "0"; +// newdiv.style.top = "0"; +// newdiv.style.position = "absolute"; +// newdiv.style["z-index"] = "11000"; +// newdiv.color = "#00FF00"; +// //newdiv.innerHTML += ''; +// body.appendChild(newdiv); + + this.tasks = {}; + this.numTasks = 0; + + var tasks = new SceneJS_Map(this.tasks); + + this.taskStarted = function () { + var taskId; + var description; + if (arguments.length == 2) { + taskId = arguments[0]; + if (tasks.items[taskId]) { + return taskId; + } + description = arguments[1]; + tasks.addItem(taskId, description); + } else { + description = arguments[0]; + taskId = tasks.addItem(description); + } + //console.log("[STARTED ] " + taskId + ": " + description); + this.numTasks++; + return taskId; + }; + + this.taskFinished = function (taskId) { + var task = tasks.items[taskId]; + if (!task) { + return; + } + tasks.removeItem(taskId); + // console.log("[FINISHED] " + taskId + ": " + task); + this.numTasks--; + if (this.numTasks == 0) { + // console.log("No tasks running."); + } + }; + + function showActivity() { + } + + function hideActivity() { + } + +}; + +/** * @class A container for a scene graph and its display * * @@ -1596,6 +821,11 @@ var SceneJS_Engine = function (json, options) { */ this.canvas = new SceneJS_Canvas(this.id, json.canvasId, json.contextAttr, options); + /** + * Engine activity monitor + */ + this.activity = new SceneJS_Activity(this.id, options); + /** * Manages firing of and subscription to events */ @@ -1660,7 +890,7 @@ var SceneJS_Engine = function (json, options) { */ this.sceneStatus = { nodes:{}, // Status for each node - numLoading:0 // Number of loads currently in progress + numLoading:0 // Number of loads currently in progress }; var self = this; @@ -1736,6 +966,11 @@ SceneJS_Engine.prototype.createNode = function (json, ok) { var core = this._coreFactory.getCore(json.type, json.coreId); // Create or share a core var self = this; + // Track task if we're loading the type + var taskId = !SceneJS_NodeFactory.nodeTypes[json.type] + ? this.activity.taskStarted("loading node type") + : null; + return this._nodeFactory.getNode( this, json, core, function (node) { @@ -1749,6 +984,9 @@ SceneJS_Engine.prototype.createNode = function (json, ok) { function (childNode) { node.addNode(childNode); if (++numNodes == len) { + if (taskId) { + self.activity.taskFinished(taskId); + } if (ok) { ok(node); } @@ -1757,6 +995,9 @@ SceneJS_Engine.prototype.createNode = function (json, ok) { }); } } else { + if (taskId) { + self.activity.taskFinished(taskId); + } if (ok) { ok(node); self.scene._publish("nodes/" + node.id, node); @@ -1832,6 +1073,8 @@ SceneJS_Engine.prototype.nodeLoading = function (node) { this.sceneStatus.numLoading++; this.events.fireEvent("loading", this.sceneStatus); + + this.scene._publish("loadStatus", this.sceneStatus); }; SceneJS_Engine.prototype.nodeLoaded = function (node) { @@ -1851,6 +1094,8 @@ SceneJS_Engine.prototype.nodeLoaded = function (node) { } this.events.fireEvent("loaded", this.sceneStatus); + + this.scene._publish("loadStatus", this.sceneStatus); }; @@ -1921,7 +1166,6 @@ SceneJS_Engine.prototype.start = function (cfg) { time = (new Date()).getTime(); tick.time = time; - scene._publish("tick", tick); if (!self.running) { // idleFunc may have destroyed scene @@ -1954,8 +1198,6 @@ SceneJS_Engine.prototype.start = function (cfg) { } }; - this._startCfg = cfg; - window.requestAnimationFrame(window[fnName]); } }; @@ -4647,9 +3889,11 @@ var SceneJS_webgl_ProgramSampler = function (gl, program, name, type, size, loca */ var SceneJS_webgl_ProgramAttribute = function (gl, program, name, type, size, location) { this.bindFloatArrayBuffer = function (buffer) { - buffer.bind(); - gl.enableVertexAttribArray(location); - gl.vertexAttribPointer(location, buffer.itemSize, gl.FLOAT, false, 0, 0); // Vertices are not homogeneous - no w-element + if (buffer) { + buffer.bind(); + gl.enableVertexAttribArray(location); + gl.vertexAttribPointer(location, buffer.itemSize, gl.FLOAT, false, 0, 0); // Vertices are not homogeneous - no w-element + } }; }; @@ -7884,6 +7128,8 @@ SceneJS_NodeFactory.prototype.putNode = function (node) { if (this._core.useCount == 1) { // This node defines the core + var taskId; + var options = { origin:params.origin, scale:params.scale @@ -7914,6 +7160,8 @@ SceneJS_NodeFactory.prototype.putNode = function (node) { "geometry config expected: source.type"); } + taskId = self._engine.activity.taskStarted("loading geometry"); + SceneJS.Plugins.getPlugin( "geometry", this._sourceConfigs.type, @@ -7948,11 +7196,13 @@ SceneJS_NodeFactory.prototype.putNode = function (node) { self._initNodeCore(data); SceneJS.Geometry._buildNodeCore(self._engine.canvas.gl, self._core); self._core._loading = false; - self._fireEvent("loaded"); + //self._fireEvent("loaded"); self._engine.display.imageDirty = true; self._engine.branchDirty(self); // TODO created = true; + self._engine.activity.taskFinished(taskId); + } else { var core = self._core; @@ -8063,8 +7313,6 @@ SceneJS_NodeFactory.prototype.putNode = function (node) { } ); - self._fireEvent("loading"); - if (self._source.configure) { self._source.configure(self._sourceConfigs); } @@ -11369,9 +10617,11 @@ new (function () { SceneJS.Texture.prototype._loadLayerTexture = function (gl, layer) { - SceneJS_sceneStatusModule.nodeLoading(this); +// SceneJS_sceneStatusModule.nodeLoading(this); +// +// this._engine.nodeLoading(this); - this._engine.nodeLoading(this); + var taskId = this._engine.activity.taskStarted("loading texture"); this._fireEvent("loading"); @@ -11413,6 +10663,7 @@ new (function () { if (!loaded) { // Texture first initialised - create layer loaded = true; self._setLayerTexture(gl, layer, texture); + self._engine.activity.taskFinished(taskId); } else { // Texture updated - layer already has the handle to it, so just signal a redraw self._engine.display.imageDirty = true; @@ -11438,6 +10689,7 @@ new (function () { gl.bindTexture(gl.TEXTURE_2D, texture); gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, self._ensureImageSizePowerOfTwo(image)); self._setLayerTexture(gl, layer, texture); + self._engine.activity.taskFinished(taskId); }; var src = layer.uri || layer.src; @@ -11504,11 +10756,9 @@ new (function () { update:null }); - SceneJS_sceneStatusModule.nodeLoaded(this); - - this._engine.nodeLoaded(this); - - this._fireEvent("loaded"); +// this._engine.nodeLoaded(this); +// +// this._fireEvent("loaded"); if (this.destroyed) { // Node was destroyed while loading layer.texture.destroy(); @@ -13576,8 +12826,6 @@ var SceneJS_ProgramSourceFactory = new (function () { var src = [ "precision mediump float;", "attribute vec3 SCENEJS_aVertex;", - "attribute vec3 SCENEJS_aNormal;", - "uniform mat4 SCENEJS_uMMatrix;", "uniform mat4 SCENEJS_uMNMatrix;", "uniform mat4 SCENEJS_uVMatrix;", @@ -13585,6 +12833,10 @@ var SceneJS_ProgramSourceFactory = new (function () { "uniform mat4 SCENEJS_uPMatrix;" ]; + if (normals) { + src.push("attribute vec3 SCENEJS_aNormal;"); + } + if (normals && (fragmentHooks.worldNormal || fragmentHooks.viewNormal)) { src.push("varying vec3 SCENEJS_vWorldNormal;"); // Output world-space vertex normal src.push("varying vec3 SCENEJS_vViewNormal;"); // Output world-space vertex normal diff --git a/build.js b/build.js index fbffe69a..083e1e4a 100755 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options={url:window.location,strictMode:false,key:["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],q:{name:"queryKey",parser:/(?:^|&)([^&=]*)=?([^&]*)/g},parser:{strict:/^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,loose:/^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/}};var parseUri=function(){str=decodeURI(options.url);var m=options.parser[options.strictMode?"strict":"loose"].exec(str);var uri={};var i=14;while(i--){uri[options.key[i]]=m[i]||""}uri[options.q.name]={};uri[options.key[12]].replace(options.q.parser,function($0,$1,$2){if($1){uri[options.q.name][$1]=$2}});return uri};var key=function(key){if(!parsed.length){setUp()}if(key=="base"){if(parsed.port!==null&&parsed.port!==""){return parsed.protocol+"://"+parsed.host+":"+parsed.port+"/"}else{return parsed.protocol+"://"+parsed.host+"/"}}return(parsed[key]==="")?null:parsed[key]};var param=function(item){if(!parsed.length){setUp()}return(parsed.queryKey[item]===null)?null:parsed.queryKey[item]};var setUp=function(){parsed=parseUri();getSegments()};var getSegments=function(){var p=parsed.path;segments=[];segments=parsed.path.length==1?{}:(p.charAt(p.length-1)=="/"?p.substring(1,p.length-1):path=p.substring(1)).split("/")};return{setMode:function(mode){strictMode=mode=="strict"?true:false;return this},setUrl:function(newUri){options.url=newUri===undefined?window.location:newUri;setUp();return this},segment:function(pos){if(!parsed.length){setUp()}if(pos===undefined){return segments.length}return(segments[pos]===""||segments[pos]===undefined)?null:segments[pos]},attr:key,param:param}}(); \ No newline at end of file diff --git a/lib/jquery/jquery.url.min.js b/lib/jquery/jquery.url.min.js deleted file mode 100644 index 2bf58d24..00000000 --- a/lib/jquery/jquery.url.min.js +++ /dev/null @@ -1,11 +0,0 @@ -/* -jQuery Url Plugin - * Version 1.0 - * 2009-03-22 19:30:05 - * URL: http://ajaxcssblog.com/jquery/url-read-get-variables/ - * Description: jQuery Url Plugin gives the ability to read GET parameters from the actual URL - * Author: Matthias Jäggli - * Copyright: Copyright (c) 2009 Matthias Jäggli - * Licence: dual, MIT/GPLv2 -*/ -(function($){$.url={};$.extend($.url,{_params:{},init:function(){var paramsRaw="";try{paramsRaw=(document.location.href.split("?",2)[1]||"").split("#")[0].split("&")||[];for(var i=0;i'; +// body.appendChild(newdiv); + + this.tasks = {}; + this.numTasks = 0; + + var tasks = new SceneJS_Map(this.tasks); + + this.taskStarted = function () { + var taskId; + var description; + if (arguments.length == 2) { + taskId = arguments[0]; + if (tasks.items[taskId]) { + return taskId; + } + description = arguments[1]; + tasks.addItem(taskId, description); + } else { + description = arguments[0]; + taskId = tasks.addItem(description); + } + //console.log("[STARTED ] " + taskId + ": " + description); + this.numTasks++; + return taskId; + }; + + this.taskFinished = function (taskId) { + var task = tasks.items[taskId]; + if (!task) { + return; + } + tasks.removeItem(taskId); + // console.log("[FINISHED] " + taskId + ": " + task); + this.numTasks--; + if (this.numTasks == 0) { + // console.log("No tasks running."); + } + }; + + function showActivity() { + } + + function hideActivity() { + } + +}; + diff --git a/src/core/engine.js b/src/core/engine.js index 6041a833..0217aa68 100644 --- a/src/core/engine.js +++ b/src/core/engine.js @@ -19,6 +19,11 @@ var SceneJS_Engine = function (json, options) { */ this.canvas = new SceneJS_Canvas(this.id, json.canvasId, json.contextAttr, options); + /** + * Engine activity monitor + */ + this.activity = new SceneJS_Activity(this.id, options); + /** * Manages firing of and subscription to events */ @@ -83,7 +88,7 @@ var SceneJS_Engine = function (json, options) { */ this.sceneStatus = { nodes:{}, // Status for each node - numLoading:0 // Number of loads currently in progress + numLoading:0 // Number of loads currently in progress }; var self = this; @@ -159,6 +164,11 @@ SceneJS_Engine.prototype.createNode = function (json, ok) { var core = this._coreFactory.getCore(json.type, json.coreId); // Create or share a core var self = this; + // Track task if we're loading the type + var taskId = !SceneJS_NodeFactory.nodeTypes[json.type] + ? this.activity.taskStarted("loading node type") + : null; + return this._nodeFactory.getNode( this, json, core, function (node) { @@ -172,6 +182,9 @@ SceneJS_Engine.prototype.createNode = function (json, ok) { function (childNode) { node.addNode(childNode); if (++numNodes == len) { + if (taskId) { + self.activity.taskFinished(taskId); + } if (ok) { ok(node); } @@ -180,6 +193,9 @@ SceneJS_Engine.prototype.createNode = function (json, ok) { }); } } else { + if (taskId) { + self.activity.taskFinished(taskId); + } if (ok) { ok(node); self.scene._publish("nodes/" + node.id, node); @@ -255,6 +271,8 @@ SceneJS_Engine.prototype.nodeLoading = function (node) { this.sceneStatus.numLoading++; this.events.fireEvent("loading", this.sceneStatus); + + this.scene._publish("loadStatus", this.sceneStatus); }; SceneJS_Engine.prototype.nodeLoaded = function (node) { @@ -274,6 +292,8 @@ SceneJS_Engine.prototype.nodeLoaded = function (node) { } this.events.fireEvent("loaded", this.sceneStatus); + + this.scene._publish("loadStatus", this.sceneStatus); }; @@ -344,7 +364,6 @@ SceneJS_Engine.prototype.start = function (cfg) { time = (new Date()).getTime(); tick.time = time; - scene._publish("tick", tick); if (!self.running) { // idleFunc may have destroyed scene @@ -377,8 +396,6 @@ SceneJS_Engine.prototype.start = function (cfg) { } }; - this._startCfg = cfg; - window.requestAnimationFrame(window[fnName]); } }; diff --git a/src/core/scene/geometry.js b/src/core/scene/geometry.js index d887b957..35f8b07e 100755 --- a/src/core/scene/geometry.js +++ b/src/core/scene/geometry.js @@ -22,6 +22,8 @@ new (function () { if (this._core.useCount == 1) { // This node defines the core + var taskId; + var options = { origin:params.origin, scale:params.scale @@ -52,6 +54,8 @@ new (function () { "geometry config expected: source.type"); } + taskId = self._engine.activity.taskStarted("loading geometry"); + SceneJS.Plugins.getPlugin( "geometry", this._sourceConfigs.type, @@ -86,11 +90,13 @@ new (function () { self._initNodeCore(data); SceneJS.Geometry._buildNodeCore(self._engine.canvas.gl, self._core); self._core._loading = false; - self._fireEvent("loaded"); + //self._fireEvent("loaded"); self._engine.display.imageDirty = true; self._engine.branchDirty(self); // TODO created = true; + self._engine.activity.taskFinished(taskId); + } else { var core = self._core; @@ -201,8 +207,6 @@ new (function () { } ); - self._fireEvent("loading"); - if (self._source.configure) { self._source.configure(self._sourceConfigs); } diff --git a/src/core/scene/texture.js b/src/core/scene/texture.js index 513567df..3437bf0d 100644 --- a/src/core/scene/texture.js +++ b/src/core/scene/texture.js @@ -160,9 +160,11 @@ new (function () { SceneJS.Texture.prototype._loadLayerTexture = function (gl, layer) { - SceneJS_sceneStatusModule.nodeLoading(this); +// SceneJS_sceneStatusModule.nodeLoading(this); +// +// this._engine.nodeLoading(this); - this._engine.nodeLoading(this); + var taskId = this._engine.activity.taskStarted("loading texture"); this._fireEvent("loading"); @@ -204,6 +206,7 @@ new (function () { if (!loaded) { // Texture first initialised - create layer loaded = true; self._setLayerTexture(gl, layer, texture); + self._engine.activity.taskFinished(taskId); } else { // Texture updated - layer already has the handle to it, so just signal a redraw self._engine.display.imageDirty = true; @@ -229,6 +232,7 @@ new (function () { gl.bindTexture(gl.TEXTURE_2D, texture); gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, self._ensureImageSizePowerOfTwo(image)); self._setLayerTexture(gl, layer, texture); + self._engine.activity.taskFinished(taskId); }; var src = layer.uri || layer.src; @@ -295,11 +299,9 @@ new (function () { update:null }); - SceneJS_sceneStatusModule.nodeLoaded(this); - - this._engine.nodeLoaded(this); - - this._fireEvent("loaded"); +// this._engine.nodeLoaded(this); +// +// this._fireEvent("loaded"); if (this.destroyed) { // Node was destroyed while loading layer.texture.destroy();