chemmathsndivision.js

$(document).ready(function(){
	var times=0;
	var numer1;
	var numer2;
	var denom1;
	var denom2;
	var number1;
	var number2;
	var number3;
	var number4;
	var xposit;
	var answer;
	var wrongAnswer1;
	var wrongAnswer2;
	var wrongAnswer3;
	var score=0;
$(window).resize(function(){
//$('.ansbox').css('width',window.innerWidth/4-2);
//$('.ansbox').css('height',window.innerWidth/4-2);

//$('#blocka').css('left',$('blocka').width*0);
//$('#blockb').css('position','absolute');
//$('#blockb').css('left',$('blockb').width*1);


//$('#blockc').css('left',$('blocka').width*2);
//$('#blockd').css('left',$('blocka').width*3);

$('.thequestion').css('font-size', window.innerWidth/100);
});
	// var wrongAnswer4;
	// $('#bwordb').text(35);
function specialMessage(score){
	if (score<0){
		return " \n\ focus young skywalker";
	}
	else if (score<5){
		return "\n\ you are balanced, let's get buff";
	}
	else if (score<10){
		return "\n\ You have only reached a fraction of your potential";
	}	
	else if (score<15){
		return "\n\ Show those denomihaters who's boss";
	}
	else if (score<20){
		return "\n\ you must be a numerator because you are on top of this";
	}	
	else if (score<25){
		return "\n\ In all realness, your skill is like dividing by zero, it cannot be defined";
	}	

	else {
		return "\n\ you are balanced, let's get buff";
	}

}

var getSigFigs = function (num) {
  if (!isFinite(Number(num))) {
    return -1;
  }
  var n = String(num).trim(),
  FIND_FRONT_ZEROS_SIGN_DOT_EXP = /^[\D0]+|\.|([e][^e]+)$/g,
  FIND_RIGHT_ZEROS = /0+$/g;
 
  if (!/\./.test(num)) {
    n = n.replace(FIND_RIGHT_ZEROS, "");
  }
  return n.replace(FIND_FRONT_ZEROS_SIGN_DOT_EXP, "").length;
};


	function round(value, exp) {
 		if (typeof exp === 'undefined' || +exp === 0)
    			return Math.round(value);

		value = +value;
  		exp  = +exp;

		if (isNaN(value) || !(typeof exp === 'number' && exp % 1 === 0))
    			return NaN;

		// Shift
  		value = value.toString().split('e');
  		value = Math.round(+(value[0] + 'e' + (value[1] ? (+value[1] + exp) : exp)));

  		// Shift back
  		value = value.toString().split('e');
  		return +(value[0] + 'e' + (value[1] ? (+value[1] - exp) : -exp));
}

function sigFigs(n, sig) {
n=Math.abs(n);
    var mult = Math.pow(10,
        sig - Math.floor(Math.log(n) / Math.LN10) - 1);
    return Math.round(n * mult) / mult;
}

var toOurExponential=function(n1){


	var answerString=n1.toExponential()+"";
//	answerString=round(answerString,3)+"";
	var eSpot=answerString.indexOf("e");
	var exponency=answerString.substring(eSpot+1, answerString.length);
	if (exponency.substring(0,1)==="+"){
		exponency=exponency.substring(1,exponency.length);
	}

	var nakedAnswer=answerString.substring(0,eSpot);
	var answerStringFinal=answerString.substring(0,eSpot)+"*10^"+exponency;
	return answerStringFinal;
}

	var setupAnswers=function(n1, n2){

//$('#scoremessage').text(n1 +" " + n2 + " " +Number(n1)/Number(n2));
		var answerString=Number(sigFigs(Number(n1/n2),3)).toExponential()+"";

		var eSpot=answerString.indexOf("e");
		var exponency=answerString.substring(eSpot+1, answerString.length);


			
if (exponency.substring(0,1)==="+"){
			exponency=exponency.substring(1,exponency.length);
		}
			var nakedAnswer=answerString.substring(0,eSpot);
		var answerStringFinal=answerString.substring(0,eSpot)+"*10^"+exponency;


			answer=toOurExponential(sigFigs((n1/n2),3));
			wrongAnswer1=nakedAnswer+"*10^"+(Math.floor(Math.random()*20)-10);
			wrongAnswer2=nakedAnswer+"*10^"+(Math.floor(Math.random()*20)-10);
			wrongAnswer3=nakedAnswer+"*10^"+(Math.floor(Math.random()*20)-10);
		var answers = [];
		answers[0]=answer;
		answers[1]=wrongAnswer1;
		answers[2]=wrongAnswer2;
		answers[3]=wrongAnswer3;
		
		for (i=0; i<answers.length; i++){
			
			for (j=0; j<answers.length; j++){
				if ((j!=i)&&(answers[i]===answers[j])){
					setupAnswers(n1, n2);
				}	
			}
		}


		$("*").removeClass('answer');
		$("*").removeClass('wrongAnswer');
		$("*").removeClass('wrong');
		$("#boxa").addClass('wrongAnswer');
		$("#boxb").addClass('wrongAnswer');
		$("#boxc").addClass('wrongAnswer');
		$("#boxd").addClass('wrongAnswer');
		

		var random3 = Math.floor(Math.random()*24);
		if (random3===0){
		$('#bworda').text(answer);
		$('#bwordb').text(wrongAnswer1);
		$('#bwordc').text(wrongAnswer2);
		$('#bwordd').text(wrongAnswer3);
		$('#boxa').addClass('answer');
		}
		else if (random3===1){
		$('#bworda').text(answer);
		$('#bwordc').text(wrongAnswer1);
		$('#bwordb').text(wrongAnswer2);
		$('#bwordd').text(wrongAnswer3);
		$('#boxa').addClass('answer');
		}
		else if (random3===2){
		$('#bworda').text(answer);
		$('#bwordc').text(wrongAnswer1);
		$('#bwordd').text(wrongAnswer2);
		$('#bwordb').text(wrongAnswer3);
		$('#boxa').addClass('answer');
		}
		else if (random3===3){
		$('#bworda').text(answer);
		$('#bwordd').text(wrongAnswer1);
		$('#bwordb').text(wrongAnswer2);
		$('#bwordc').text(wrongAnswer3);
		$('#boxa').addClass('answer');
		}
		else if (random3===4){
		$('#bworda').text(answer);
		$('#bwordb').text(wrongAnswer1);
		$('#bwordd').text(wrongAnswer2);
		$('#bwordc').text(wrongAnswer3);
		$('#boxa').addClass('answer');
		}
		else if (random3===5){
		$('#bworda').text(answer);
		$('#bwordd').text(wrongAnswer1);
		$('#bwordc').text(wrongAnswer2);
		$('#bwordb').text(wrongAnswer3);
		$('#boxa').addClass('answer');
		}
		else if (random3===6){
		$('#bwordb').text(answer);
		$('#bworda').text(wrongAnswer1);
		$('#bwordc').text(wrongAnswer2);
		$('#bwordd').text(wrongAnswer3);
		$('#boxb').addClass('answer');
		}
		else if (random3===7){
		$('#bwordb').text(answer);
		$('#bworda').text(wrongAnswer1);
		$('#bwordd').text(wrongAnswer2);
		$('#bwordc').text(wrongAnswer3);
		$('#boxb').addClass('answer');
		}
		else if (random3===8){
		$('#bwordb').text(answer);
		$('#bwordc').text(wrongAnswer1);
		$('#bwordd').text(wrongAnswer2);
		$('#bworda').text(wrongAnswer3);
		$('#boxb').addClass('answer');
		}
		else if (random3===9){
		$('#bwordb').text(answer);
		$('#bwordc').text(wrongAnswer1);
		$('#bworda').text(wrongAnswer2);
		$('#bwordd').text(wrongAnswer3);
		$('#boxb').addClass('answer');
		}
		else if (random3===10){
		$('#bwordb').text(answer);
		$('#bwordd').text(wrongAnswer1);
		$('#bworda').text(wrongAnswer2);
		$('#bwordc').text(wrongAnswer3);
		$('#boxb').addClass('answer');
		}
		else if (random3===11){
		$('#bwordb').text(answer);
		$('#bwordd').text(wrongAnswer1);
		$('#bwordc').text(wrongAnswer2);
		$('#bworda').text(wrongAnswer3);
		$('#boxb').addClass('answer');
		}
		else if (random3===12){
		$('#bwordc').text(answer);
		$('#bworda').text(wrongAnswer1);
		$('#bwordb').text(wrongAnswer2);
		$('#bwordd').text(wrongAnswer3);
		$('#boxc').addClass('answer');
		}
		else if (random3===13){
		$('#bwordc').text(answer);
		$('#bworda').text(wrongAnswer1);
		$('#bwordd').text(wrongAnswer2);
		$('#bwordb').text(wrongAnswer3);
		$('#boxc').addClass('answer');
		}
		else if (random3===14){
		$('#bwordc').text(answer);
		$('#bwordb').text(wrongAnswer1);
		$('#bwordd').text(wrongAnswer2);
		$('#bworda').text(wrongAnswer3);
		$('#boxc').addClass('answer');
		}
		else if (random3===15){
		$('#bwordc').text(answer);
		$('#bwordb').text(wrongAnswer1);
		$('#bworda').text(wrongAnswer2);
		$('#bwordd').text(wrongAnswer3);
		$('#boxc').addClass('answer');
		}
		else if (random3===16){
		$('#bwordc').text(answer);
		$('#bwordd').text(wrongAnswer1);
		$('#bworda').text(wrongAnswer2);
		$('#bwordb').text(wrongAnswer3);
		$('#boxc').addClass('answer');
		}
		else if (random3===17){
		$('#bwordc').text(answer);
		$('#bwordd').text(wrongAnswer1);
		$('#bwordb').text(wrongAnswer2);
		$('#bworda').text(wrongAnswer3);
		$('#boxc').addClass('answer');
		}
		else if (random3===18){
		$('#bwordd').text(answer);
		$('#bworda').text(wrongAnswer1);
		$('#bwordb').text(wrongAnswer2);
		$('#bwordc').text(wrongAnswer3);
		$('#boxd').addClass('answer');
		}
		else if (random3===19){
		$('#bwordd').text(answer);
		$('#bworda').text(wrongAnswer1);
		$('#bwordc').text(wrongAnswer2);
		$('#bwordb').text(wrongAnswer3);
		$('#boxd').addClass('answer');
		}
		else if (random3===20){
		$('#bwordd').text(answer);
		$('#bwordb').text(wrongAnswer1);
		$('#bworda').text(wrongAnswer2);
		$('#bwordc').text(wrongAnswer3);
		$('#boxd').addClass('answer');
		}
		else if (random3===21){
		$('#bwordd').text(answer);
		$('#bwordb').text(wrongAnswer1);
		$('#bwordc').text(wrongAnswer2);
		$('#bworda').text(wrongAnswer3);
		$('#boxd').addClass('answer');
		}
		else if (random3===22){
		$('#bwordd').text(answer);
		$('#bwordc').text(wrongAnswer1);
		$('#bworda').text(wrongAnswer2);
		$('#bwordb').text(wrongAnswer3);
		$('#boxd').addClass('answer');
		}
		else if (random3===23){
		$('#bwordd').text(answer);
		$('#bwordc').text(wrongAnswer1);
		$('#bwordb').text(wrongAnswer2);
		$('#bworda').text(wrongAnswer3);
		$('#boxd').addClass('answer');
		}

	};
	// $('#num2').text($('#num1').val());
	
	
	var resetQuestion=function(){
		// $('#boxb').text(35);
		// $('#bwordb').text(35);
		number=(Math.floor(Math.random()*2000000000-1000000000));
		var finalNum = number*Math.pow(10, -1*Math.floor(Math.random()*11));
		finalNum=Number(Math.round(finalNum+'e3')+'e-3');
		var numbertwo=(Math.floor(Math.random()*2000000000-1000000000));
		var finalNumtwo = numbertwo*Math.pow(10, -1*Math.floor(Math.random()*11));
		finalNumtwo=Number(Math.round(finalNumtwo+'e3')+'e-3');



		$('#num1').text(toOurExponential(sigFigs(finalNum, 3)));		
		$('#den1').text(toOurExponential(sigFigs(finalNumtwo, 3)));
			setupAnswers(finalNum, finalNumtwo);
	};

	if($('#num1:contains(704)')){
		// $('#bwordb').text(35);
		resetQuestion();
	};




	// $('btna').attr('checked')=false;
	$('.ansbox').hover(function(){
		// $(this).text("hi");
		$(this).addClass("highlighted");


		// if (((this).hasID('footer'))){
		// 	$(this).text("hi");
		// }
	},
	function(){
		$(this).removeClass("highlighted");


	});
	$('div').click(function(){
		// $('#bwordb').text(answer);
		if	($(this).hasClass('answer')){//children('p').contains(answer)){// p.text("hello"));
			// $('#bwordb').text(answer);
			score=score+1;
			$('#score').text("Score = " +score);
			$('#scoremessage').text(specialMessage(score));
			$(this).removeClass("highlighted");
			resetQuestion();
			// $('#bwordb').text(35);
		}
		else if	($(this).hasClass('wrongAnswer')){//children('p').contains(answer)){// p.text("hello"));
			// $('#bwordb').text(answer);
			$(this).addClass('wrong');
			$(this).removeClass('wrongAnswer');
			score=score-1;
			$('#score').text("Score = " +score);
			$('#scoremessage').text(specialMessage(score));
			// $('#bwordb').text(35);
		}

		// if (times<5){
		// 	$('<li>').text("You are awesome, don't worry").appendTo('ul');
		// }
		// else if (times<10){ 
		// $('li').remove();
		// 	$('<li>').text("You are insecure, clicking too much, now you should be worrying... also that is beginning to hurt, stop poking me").appendTo('ul');
		// }
		// else if (times<11){
		// $('<li>').text("OK, Now I am Ignoring You!").appendTo('ul');
			
		// }

		// times=times+1;


	// $('p').text("hi");
	// if ($('#btna').attr('checked',true)){
	// 	$('#ta').text("a");
	// }
	// else{$('#choicea').text("");
	// }
	// }if ($('#btnb').attr("checked", true)){
	// 	$('#choiceb').text("yayyb");
	// }if ($('#btnc').attr("checked", true)){
	// 	$('#choicec').text("yayyc");
	// }if ($('#btnd').attr("checked", true)){
	// 	$('#choiced').text("yayyd");
	// 	}
	});
});