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/*
  This is a merge of multiple files.
  I will put the source code on github after I refine the structure a bit.
*/
if(!Animations) var Animations = new Object();

Animations.InfinityLoop = function() {
	
	var loops = [];
	var loopsCount = 70;

for(var i=1; i<=loopsCount; i++) {
		loops.push(new Objects.InfiniteLoop());
	}
	
	this.init = function(application) {
		//Initialize the scene objects for this animation
		for(var i=0; i<loops.length; i++) {
		
			application.getScene().add(loops[i].getObject3D());
			
			
		}

}

this.tick = function(timestamp, application) {
       	for(var i=0; i<loops.length; i++) {
			loops[i].update(timestamp);
		}
    }
}

;/**
 * Created by ionescusilviuciprian on 11/09/15.
 */
function Animation (app) {
    console.log(app);

if(!app) throw "Animation needs an app to bind to.";

var tickCallbacks = new Array();
    var runTickCallbacks = function(timestamp) {

for(i in tickCallbacks) {
            tickCallbacks[i].tick(timestamp, app);
        }
    }

var render = function(timestamp) {

runTickCallbacks(timestamp);
        requestAnimationFrame( render );

app.getControl().update();
        app.getRenderer().render( app.getScene(), app.getCamera() );
    }

this.addTickCallback = function(AnimationClass) {
        tickCallbacks.push(AnimationClass);
        if(AnimationClass.init) AnimationClass.init(app);
    }

this.render = function() {
        render();
    }

return this;
}
;function App() {

var scene = new THREE.Scene();
	var camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 1000 );

var renderer = new THREE.WebGLRenderer({ 
		antialias: true,
		alpha: true,
		precision: 'highp',
		devicePixelRatio: window.devicePixelRatio || 1
    });

var self = this;

pixelRatio = window.devicePixelRatio || 1;

renderer.setSize( window.innerWidth * pixelRatio, window.innerHeight * pixelRatio);
$("#content img").remove();	document.getElementById('content').appendChild( renderer.domElement );
	renderer.domElement.style.width = window.innerWidth + 'px';
	renderer.domElement.style.height = window.innerHeight + 'px';

// scene.fog = new THREE.Fog(0xffffff, 0, 5);
	// scene.fog.color.setHex( 0xe8dabe );

var controls = new THREE.TrackballControls( camera, renderer.domElement );
	controls.minDistance = 0;
	controls.maxDistance = 500;

// controls.enableDamping = true;
	// controls.dampingFactor = 0.25;
	//controls.enableZoom = true;

this.getScene = function() {return scene;}
	this.getCamera = function() {return camera;}
	this.getRenderer = function() {return renderer;}
	this.getApp = function() {return self;}
	this.getControl = function() {return controls;}

return self;
}

App.prototype.renderWorldPlane = function() {
	//var earth = new WorldPlane(this.getScene());
	var lighingSystem = new WorldLight(this.getScene());
	var animation = new Animation(this.getApp());

animation.addTickCallback(new Animations.InfinityLoop());
	//animation.addTickCallback(new Animations.InfiniteHall());
	//animation.addTickCallback(new Animations.CameraWiggle());
	animation.render();
}

App.prototype.initWorld = function() {
	this.renderWorldPlane();
	this.getCamera().position.set(0,-200,100);
	this.getCamera().lookAt(new THREE.Vector3( 0, 0, 0));
	//this.getCamera().rotation.z = (5*Math.PI/180);
}

;if(!Objects) var Objects = new Object();

function pow(val, exp) {
	var res = 1;
	for(i=0;i<exp; i++){
		res = res * val;
	}
	return res;
}

function square(x) {
	return x * x;
}

function cassinian_oval(t, a, b) {
	var M = 2 * pow(a,2) * Math.cos(2*t) + 2 * Math.sqrt((pow(-a,4)+pow(b,4)) + pow(a,4) * pow(Math.cos(2* t),2));

var M = 2 * Math.sqrt(
			(pow(b,4) - pow(a,4)) + pow(a,4)*pow(Math.cos(2*t),2)
		) + 
	(2 * pow(a,2) * Math.cos(2*t));

var x = Math.sqrt(M/2) * Math.cos(t);
	var y = Math.sqrt(M/2) * Math.sin(t);

return [x, y];

}

function leminescate_of_bernoulli(t, a) {
	var x = (a * Math.sqrt(2) * Math.cos(t)) /
			(square(Math.sin(t)) + 1);
	var y = (a * Math.sqrt(2) * Math.cos(t) * Math.sin(t)) /
			(square(Math.sin(t)) + 1);

return [x, y];
}

Objects.InfiniteLoop = function() {
	var granularity = 80;
	var minVisibleRatio = 3;
	var maxAdditionalVisibleRatio = 10;
	var obj3d = new THREE.Object3D(); //Main container
	//colors 0x556600
	var coloroptions = [0x8b8091,0xfd976f,0xfbd584,0xc0cab6,0xf8ebd4];
	var coloroptions = [0x556600,0x616646,0x46665a,0x465d66,0x66464c];

this.last_tick = 0;
	this.speed = 1000/60;
	this.points = [];
	this.quads = [];

var opacity = Math.round() * .6 + .4;

var pickedColor = Math.round(Math.random()*(coloroptions.length-1));
	
	extruded_shape_material = new THREE.MeshBasicMaterial({
		color : coloroptions[pickedColor],
		opacity : .4,
		blending : THREE.AdditiveBlending,
		depthTest : false,
		 transparent : true,
		wireframe : false

});

extruded_shape_material.side = THREE.DoubleSide;
	
	var a=30 + Math.round(Math.random()*20);
	//var b=30; 
	var fullInterval = 2*Math.PI;
	var woobleStrength = Math.floor(Math.random()*20/4);
	var woobleDisplace = 0;// Math.random()*Math.PI*2;

for(t=0; t<=fullInterval; t+=fullInterval/granularity) {
		//var cassiniPoint = cassinian_oval(t, a, b);
		var cassiniPoint = leminescate_of_bernoulli(t, a);
		cassiniPoint[1] *= 1.4;
		if(cassiniPoint[0] != cassiniPoint[1])
			yValue = Math.sin(t * woobleStrength + woobleDisplace)*10;
			this.points.push(new THREE.Vector3(cassiniPoint[0], yValue, cassiniPoint[1]))
	}

var percentDisplacement = Math.random();
	var lastP2 = null;
	for(i=0;i<this.points.length; i++) {
		
		var first_point = this.points[i];
		var next_point = this.points[i+1];

if(i == this.points.length -1) {
			next_point = this.points[0];
		}
		
		var p0 = new THREE.Vector3(first_point.x , first_point.y - 2, first_point.z);
		var p1 = new THREE.Vector3(next_point.x, next_point.y - 2, next_point.z);
		
		var percent = (i / (this.points.length / 100)) / 100;
		percent -= percentDisplacement;
		
		var displaceSine = Math.PI * 2 * percent;
		var yDisplacement = Math.sin(displaceSine) * (percentDisplacement * 10);
		var zDisplacement = Math.cos(displaceSine) * (percentDisplacement * 5);
		var xDisplacement = Math.sin(displaceSine) * (percentDisplacement * 10);

var p2 = new THREE.Vector3(p1.x + xDisplacement, p1.y + yDisplacement, p1.z + zDisplacement);
		var p3 = new THREE.Vector3(p0.x + xDisplacement, p0.y + yDisplacement, p0.z + zDisplacement);
		if(lastP2 != null) {
			p3 = lastP2;
		}
		lastP2 = p2;

this.quads.push(new THREE.Mesh(new Quad(p0,p1,p2,p3), extruded_shape_material));
	}

var quadsCount = this.quads.length;

this.ribbonLength = Math.floor(quadsCount/minVisibleRatio);
	this.curentRibbonIndex = Math.floor(Math.random()*quadsCount);
	
	this.ribbon = new THREE.Object3D();
	for(i=0; i<this.ribbonLength; i++) {
		var extractedQuad = this.quads[this.curentRibbonIndex+i];
		if(this.curentRibbonIndex+i<0) extractedQuad = this.quads[this.quads.length-this.curentRibbonIndex+i];
		if(extractedQuad) this.ribbon.add(extractedQuad);
	}

/* Draw a line for debugging purposes */
	// var control_line_material = new THREE.LineBasicMaterial({color: 0xff0000});
	// var infinity_geometry = new THREE.Geometry();
	// infinity_geometry.vertices=this.points;
	// var line = new THREE.Line( infinity_geometry, control_line_material );
	// obj3d.add(line);

/* Add the ribbon object to the main object. It will be composed outside the scope of this constructor*/
	obj3d.add(this.ribbon)

/* Add everything inside the object */
	this.obj3d = obj3d;
	return this;
}

Objects.InfiniteLoop.prototype.getObject3D = function(){
	return this.obj3d;
}

Objects.InfiniteLoop.prototype.update = function(tick) {
	if(tick-this.last_tick > this.speed) {
		this.last_tick = tick;
		//this.ribbonLength = Math.floor(quadsCount/minVisibleRatio);
		//this.curentRibbonIndex = Math.floor(Math.random()*quadsCount);

var lastQuad = this.ribbon.children.shift();
		lastQuad.remove();
		
		this.curentRibbonIndex += 1;
		if(this.curentRibbonIndex >= this.quads.length) this.curentRibbonIndex = 0;
		this.ribbon.add(this.quads[this.curentRibbonIndex]);

}
}

var Quad = function(p0, p1, p2, p3) {

var scope = this;

THREE.Geometry.call(this);

scope.vertices.push(p0);
	scope.vertices.push(p1);
	scope.vertices.push(p2);
	scope.vertices.push(p3);

f3(2,1,0);
	f3(0, 3, 2);

//this.computeCentroids();
	//this.computeFaceNormals();
	//this.sortFacesByMaterial();

function f3(a, b, c) {

scope.faces.push(new THREE.Face3(a, b, c));

}

Quad.prototype = new THREE.Geometry();
Quad.prototype.constructor = Quad;

;function WorldLight (appScene) {

if(!appScene) throw "WorldLight needs a scene to bind to.";

//add a simple ambient light
    var ambientLight = new THREE.AmbientLight( 0xffffff );

appScene.add(ambientLight);

// var pointLight = new THREE.PointLight(0xffffff, 100, 200);
    // pointLight.position.set(0,100,100);
    // appScene.add(pointLight);

// var bottomPointLight = new THREE.PointLight(0xffffff, 100, -200);
    // bottomPointLight.position.set(0,100,100);
    // appScene.add(bottomPointLight);

return this;
}
;function WorldPlane (appScene) {

if(!appScene) throw "WorldPlane needs a scene to bind to.";

var planeGeometry = new THREE.PlaneGeometry(100, 100, 1, 1);
    var planeMaterial = new THREE.MeshBasicMaterial( { color: 0x091838, wireframe: false } );
	var simplePlane = new THREE.Mesh(planeGeometry, planeMaterial);

appScene.add(simplePlane);

return this;
}
;$(window).load(function(){
	var app = new App();

app.initWorld();

main = app;

});

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