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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| define(["ParticleSystem", "canvas", "effects"], function(PS, Canvas, effects) { | ||
| var bullet = function(position, enemies) { | ||
| var start = Date.now(); | ||
| var speed = 0.7; | ||
| var dead = false; | ||
| var baseY = position.Y; | ||
| var baseX = position.X; | ||
| var trail = new PS.ParticleSystem(effects("bullet")); | ||
| var b = { | ||
| draw: function() { | ||
| trail.draw(Canvas.element, position.X, position.Y, 17); | ||
| position.Y = baseY - ((Date.now() - start) * speed); | ||
| //position.X = baseX - ((Date.now() - start) * speed); | ||
| if(position.Y < -10 && !dead) { | ||
| trail.kill(); | ||
| dead = true; | ||
| } | ||
| for(var i = 0; i < enemies.length; i++) { | ||
| if((Math.abs(enemies[i].position.X - position.X) < 30) && | ||
| (Math.abs(enemies[i].position.Y - position.Y) < 30)) { | ||
| enemies[i].die(); | ||
| trail.kill(); | ||
| dead = true; | ||
| } | ||
| } | ||
| if(trail.isDone()) { | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
| }; | ||
| return b; | ||
| }; | ||
| return bullet; | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| define(function() { | ||
| return function(effect) { | ||
| switch(effect) { | ||
| case "bullet": | ||
| return {"emitterStartLocation":{"x":0,"y":0},"emitterStopLocation":{"x":0,"y":0},"systemLifeSpan":0,"particleSpawnArea":{"x":0,"y":0},"maxParticles":300,"averageLifeSpan":0.3,"lifeSpanVariance":0.1,"startColor":{"red":255,"green":167,"blue":63,"alpha":1},"stopColor":{"red":0,"green":0,"blue":0,"alpha":1},"averageVelocity":{"horizontal":0,"vertical":0},"velocityVariance":{"x":0.3,"y":0.3},"minParticleSize":2,"maxParticleSize":4,"particleFadeTime":0.6,"globalCompositeOperation":"lighter","renderType":"spriteSheet","type":"relative"}; | ||
| break; | ||
| case "shield": | ||
| return {"emitterStartLocation":{"x":0,"y":0},"emitterStopLocation":{"x":0,"y":0},"systemLifeSpan":0,"particleSpawnArea":{"x":0,"y":0},"maxParticles":300,"averageLifeSpan":0.3,"lifeSpanVariance":0.1,"startColor":{"red":63,"green":167,"blue":255,"alpha":1},"stopColor":{"red":0,"green":0,"blue":0,"alpha":1},"averageVelocity":{"horizontal":0,"vertical":0},"velocityVariance":{"x":0.3,"y":0.3},"minParticleSize":2,"maxParticleSize":4,"particleFadeTime":0.6,"globalCompositeOperation":"lighter","renderType":"spriteSheet","type":"relative"}; | ||
| break; | ||
| } | ||
| } | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| define(["canvas", "events"], function(Canvas, events) { | ||
| var enemy = function(image, position) { | ||
| var start = Date.now(); | ||
| var speed = 0.2; | ||
| var dead = false; | ||
| var hp = 10; | ||
| var startPosition = {X: position.X, Y: position.Y}; | ||
| var e = { | ||
| position: position, | ||
| hit: function(damage) { | ||
| hp -= damage; | ||
| if(hp < 0) { | ||
| e.die(); | ||
| } | ||
| }, | ||
| die: function() { | ||
| dead = true; | ||
| e.fire("death"); | ||
| }, | ||
| draw: function() { | ||
| position.Y = startPosition.Y + ((Date.now() - start) * speed); | ||
| Canvas.context.save(); | ||
| var angle = 90 * 0.0174532925; | ||
| Canvas.context.translate(position.X, position.Y); | ||
| Canvas.context.rotate(angle); | ||
| Canvas.context.drawImage(image, 264, 945, 22, 25, 0, 0, 22, 25); | ||
| Canvas.context.restore(); | ||
| if(position.Y > Canvas.height || dead) { | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
| } | ||
| events.attach(e); | ||
| return e; | ||
| }; | ||
| return enemy; | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| define(["canvas"], function(Canvas) { | ||
| var powerup = function(image, action, position) { | ||
| var start = Date.now(); | ||
| var lastScale = 0; | ||
| var scaleTime = 50; | ||
| var scale = 0.5; | ||
| var inc = 0.1; | ||
| return { | ||
| draw: function() { | ||
| //scale = 0.5 + ((Date.now() - start) % 50 / 50); | ||
| if(Date.now() - lastScale > scaleTime) { | ||
| lastScale = Date.now(); | ||
| scale += inc; | ||
| if(scale === 1.2 || scale === 0.4) { | ||
| inc *= -1; | ||
| } | ||
| } | ||
| Canvas.context.save(); | ||
| Canvas.context.translate(position.X, position.Y); | ||
| Canvas.context.scale(scale, scale); | ||
| Canvas.context.drawImage(image, -1 * (image.width / 2) * scale, -1 * (image.height / 2) * scale); | ||
| Canvas.context.restore(); | ||
| } | ||
| }; | ||
| }; | ||
| return powerup; | ||
| }) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| define(function() { | ||
| var stars = function(Canvas) { | ||
| var starMap = []; | ||
| var maxStars = 100; | ||
| var maxLayers = 4; | ||
| for(var l = 0; l < maxLayers; l++) { | ||
| starMap[l] = []; | ||
| for(var i = 0; i < maxStars; i++) { | ||
| starMap[l].push({X: Math.random() * Canvas.width | 0, | ||
| Y: Math.random() * Canvas.height | 0}); | ||
| } | ||
| } | ||
| var s = { | ||
| draw: function() { | ||
| for(var l = 0; l < starMap.length; l++) { | ||
| var shade = 200 / (l + 1); | ||
| Canvas.context.fillStyle = "rgb(" + shade + "," + shade + "," + shade + ")"; | ||
| for(var i = 0; i < starMap[l].length; i++) { | ||
| Canvas.context.fillRect(starMap[l][i].X, starMap[l][i].Y, 2, 2); | ||
| starMap[l][i].Y += (1 / l); | ||
| if(starMap[l][i].Y > Canvas.height) { | ||
| starMap[l][i].Y -= Canvas.height; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return s; | ||
| } | ||
| return stars; | ||
| }); |