$(function(){var SEPARATION=100,AMOUNTX=50,AMOUNTY=50;var container;var camera,scene,renderer;var particles,particle,count=0;var mouseX=0,mouseY=0;var windowHalfX=window.innerWidth/2;var windowHalfY=window.innerHeight/2;init();animate();function init(){container=document.createElement("div");container.style.position="fixed";container.style.top="0px";container.style.left="0px";container.style.zIndex="-1";container.style.opacity="0.5";document.body.appendChild(container);camera=new THREE.PerspectiveCamera(75,window.innerWidth/window.innerHeight,1,10000);camera.position.z=1000;scene=new THREE.Scene();particles=new Array();var PI2=Math.PI*2;var material=new THREE.SpriteCanvasMaterial({color:10263708,program:function(context){context.beginPath();context.arc(0,0,0.5,0,PI2,true);context.fill()}});var i=0;for(var ix=0;ix=-1&&positionScreen.x<=1&&positionScreen.y>=-1&&positionScreen.y<=1&&positionScreen.z>=-1&&positionScreen.z<=1}function pushVertex(x,y,z){_vertex=getNextVertexInPool();_vertex.position.set(x,y,z);projectVertex(_vertex)}function pushNormal(x,y,z){normals.push(x,y,z)}function pushUv(x,y){uvs.push(x,y)}function checkTriangleVisibility(v1,v2,v3){if(v1.visible===true||v2.visible===true||v3.visible===true){return true}_points3[0]=v1.positionScreen;_points3[1]=v2.positionScreen;_points3[2]=v3.positionScreen;return _clipBox.intersectsBox(_boundingBox.setFromPoints(_points3))}function checkBackfaceCulling(v1,v2,v3){return((v3.positionScreen.x-v1.positionScreen.x)*(v2.positionScreen.y-v1.positionScreen.y)-(v3.positionScreen.y-v1.positionScreen.y)*(v2.positionScreen.x-v1.positionScreen.x))<0}function pushLine(a,b){var v1=_vertexPool[a];var v2=_vertexPool[b];_line=getNextLineInPool();_line.id=object.id;_line.v1.copy(v1);_line.v2.copy(v2); _line.z=(v1.positionScreen.z+v2.positionScreen.z)/2;_line.renderOrder=object.renderOrder;_line.material=object.material;_renderData.elements.push(_line)}function pushTriangle(a,b,c){var v1=_vertexPool[a];var v2=_vertexPool[b];var v3=_vertexPool[c];if(checkTriangleVisibility(v1,v2,v3)===false){return}if(material.side===THREE.DoubleSide||checkBackfaceCulling(v1,v2,v3)===true){_face=getNextFaceInPool();_face.id=object.id;_face.v1.copy(v1);_face.v2.copy(v2);_face.v3.copy(v3);_face.z=(v1.positionScreen.z+v2.positionScreen.z+v3.positionScreen.z)/3;_face.renderOrder=object.renderOrder;_face.normalModel.fromArray(normals,a*3);_face.normalModel.applyMatrix3(normalMatrix).normalize();for(var i=0;i<3;i++){var normal=_face.vertexNormalsModel[i];normal.fromArray(normals,arguments[i]*3);normal.applyMatrix3(normalMatrix).normalize();var uv=_face.uvs[i];uv.fromArray(uvs,arguments[i]*2)}_face.vertexNormalsLength=3;_face.material=object.material;_renderData.elements.push(_face)}}return{setObject:setObject,projectVertex:projectVertex,checkTriangleVisibility:checkTriangleVisibility,checkBackfaceCulling:checkBackfaceCulling,pushVertex:pushVertex,pushNormal:pushNormal,pushUv:pushUv,pushLine:pushLine,pushTriangle:pushTriangle}};var renderList=new RenderList();this.projectScene=function(scene,camera,sortObjects,sortElements){_faceCount=0;_lineCount=0;_spriteCount=0;_renderData.elements.length=0;if(scene.autoUpdate===true){scene.updateMatrixWorld()}if(camera.parent===null){camera.updateMatrixWorld()}_viewMatrix.copy(camera.matrixWorldInverse.getInverse(camera.matrixWorld));_viewProjectionMatrix.multiplyMatrices(camera.projectionMatrix,_viewMatrix);_frustum.setFromMatrix(_viewProjectionMatrix);_objectCount=0;_renderData.objects.length=0;_renderData.lights.length=0;function addObject(object){_object=getNextObjectInPool();_object.id=object.id;_object.object=object;_vector3.setFromMatrixPosition(object.matrixWorld);_vector3.applyMatrix4(_viewProjectionMatrix);_object.z=_vector3.z;_object.renderOrder=object.renderOrder; _renderData.objects.push(_object)}scene.traverseVisible(function(object){if(object instanceof THREE.Light){_renderData.lights.push(object)}else{if(object instanceof THREE.Mesh||object instanceof THREE.Line){if(object.material.visible===false){return}if(object.frustumCulled===true&&_frustum.intersectsObject(object)===false){return}addObject(object)}else{if(object instanceof THREE.Sprite){if(object.material.visible===false){return}if(object.frustumCulled===true&&_frustum.intersectsSprite(object)===false){return}addObject(object)}}}});if(sortObjects===true){_renderData.objects.sort(painterSort)}for(var o=0,ol=_renderData.objects.length;o0){for(var g=0;g0){continue}v2=_vertexPool[_vertexCount-2];_clippedVertex1PositionScreen.copy(v1.positionScreen);_clippedVertex2PositionScreen.copy(v2.positionScreen);if(clipLine(_clippedVertex1PositionScreen,_clippedVertex2PositionScreen)===true){_clippedVertex1PositionScreen.multiplyScalar(1/_clippedVertex1PositionScreen.w);_clippedVertex2PositionScreen.multiplyScalar(1/_clippedVertex2PositionScreen.w);_line=getNextLineInPool();_line.id=object.id;_line.v1.positionScreen.copy(_clippedVertex1PositionScreen);_line.v2.positionScreen.copy(_clippedVertex2PositionScreen);_line.z=Math.max(_clippedVertex1PositionScreen.z,_clippedVertex2PositionScreen.z);_line.renderOrder=object.renderOrder; _line.material=object.material;if(object.material.vertexColors===THREE.VertexColors){_line.vertexColors[0].copy(object.geometry.colors[v]);_line.vertexColors[1].copy(object.geometry.colors[v-1])}_renderData.elements.push(_line)}}}}}else{if(object instanceof THREE.Sprite){_vector4.set(_modelMatrix.elements[12],_modelMatrix.elements[13],_modelMatrix.elements[14],1);_vector4.applyMatrix4(_viewProjectionMatrix);var invW=1/_vector4.w;_vector4.z*=invW;if(_vector4.z>=-1&&_vector4.z<=1){_sprite=getNextSpriteInPool();_sprite.id=object.id;_sprite.x=_vector4.x*invW;_sprite.y=_vector4.y*invW;_sprite.z=_vector4.z;_sprite.renderOrder=object.renderOrder;_sprite.object=object;_sprite.rotation=object.rotation;_sprite.scale.x=object.scale.x*Math.abs(_sprite.x-(_vector4.x+camera.projectionMatrix.elements[0])/(_vector4.w+camera.projectionMatrix.elements[12]));_sprite.scale.y=object.scale.y*Math.abs(_sprite.y-(_vector4.y+camera.projectionMatrix.elements[5])/(_vector4.w+camera.projectionMatrix.elements[13]));_sprite.material=object.material;_renderData.elements.push(_sprite)}}}}}if(sortElements===true){_renderData.elements.sort(painterSort)}return _renderData};function getNextObjectInPool(){if(_objectCount===_objectPoolLength){var object=new THREE.RenderableObject();_objectPool.push(object);_objectPoolLength++;_objectCount++;return object}return _objectPool[_objectCount++]}function getNextVertexInPool(){if(_vertexCount===_vertexPoolLength){var vertex=new THREE.RenderableVertex();_vertexPool.push(vertex);_vertexPoolLength++;_vertexCount++;return vertex}return _vertexPool[_vertexCount++]}function getNextFaceInPool(){if(_faceCount===_facePoolLength){var face=new THREE.RenderableFace();_facePool.push(face);_facePoolLength++;_faceCount++;return face}return _facePool[_faceCount++]}function getNextLineInPool(){if(_lineCount===_linePoolLength){var line=new THREE.RenderableLine();_linePool.push(line);_linePoolLength++;_lineCount++;return line}return _linePool[_lineCount++]}function getNextSpriteInPool(){if(_spriteCount===_spritePoolLength){var sprite=new THREE.RenderableSprite(); _spritePool.push(sprite);_spritePoolLength++;_spriteCount++;return sprite}return _spritePool[_spriteCount++]}function painterSort(a,b){if(a.renderOrder!==b.renderOrder){return a.renderOrder-b.renderOrder}else{if(a.z!==b.z){return b.z-a.z}else{if(a.id!==b.id){return a.id-b.id}else{return 0}}}}function clipLine(s1,s2){var alpha1=0,alpha2=1,bc1near=s1.z+s1.w,bc2near=s2.z+s2.w,bc1far=-s1.z+s1.w,bc2far=-s2.z+s2.w;if(bc1near>=0&&bc2near>=0&&bc1far>=0&&bc2far>=0){return true}else{if((bc1near<0&&bc2near<0)||(bc1far<0&&bc2far<0)){return false}else{if(bc1near<0){alpha1=Math.max(alpha1,bc1near/(bc1near-bc2near))}else{if(bc2near<0){alpha2=Math.min(alpha2,bc1near/(bc1near-bc2near))}}if(bc1far<0){alpha1=Math.max(alpha1,bc1far/(bc1far-bc2far))}else{if(bc2far<0){alpha2=Math.min(alpha2,bc1far/(bc1far-bc2far))}}if(alpha20){setBlending(THREE.NormalBlending);setOpacity(1);setFillStyle("rgba("+Math.floor(_clearColor.r*255)+","+Math.floor(_clearColor.g*255)+","+Math.floor(_clearColor.b*255)+","+_clearAlpha+")");_context.fillRect(_clearBox.min.x|0,_clearBox.max.y|0,(_clearBox.max.x-_clearBox.min.x)|0,(_clearBox.min.y-_clearBox.max.y)|0)}_clearBox.makeEmpty()}};this.clearColor=function(){};this.clearDepth=function(){};this.clearStencil=function(){};this.render=function(scene,camera){if(camera instanceof THREE.Camera===false){console.error("THREE.CanvasRenderer.render: camera is not an instance of THREE.Camera.");return}var background=scene.background;if(background&&background.isColor){setFillStyle("rgb("+Math.floor(background.r*255)+","+Math.floor(background.g*255)+","+Math.floor(background.b*255)+")");_context.fillRect(0,0,_canvasWidth,_canvasHeight)}else{if(this.autoClear===true){this.clear()}}_this.info.render.vertices=0;_this.info.render.faces=0;_context.setTransform(_viewportWidth/_canvasWidth,0,0,-_viewportHeight/_canvasHeight,_viewportX,_canvasHeight-_viewportY);_context.translate(_canvasWidthHalf,_canvasHeightHalf);_renderData=_projector.projectScene(scene,camera,this.sortObjects,this.sortElements);_elements=_renderData.elements;_lights=_renderData.lights;_camera=camera;_normalViewMatrix.getNormalMatrix(camera.matrixWorldInverse);calculateLights();for(var e=0,el=_elements.length;e1){continue}if(_v2.positionScreen.z<-1||_v2.positionScreen.z>1){continue}if(_v3.positionScreen.z<-1||_v3.positionScreen.z>1){continue}_v1.positionScreen.x*=_canvasWidthHalf;_v1.positionScreen.y*=_canvasHeightHalf;_v2.positionScreen.x*=_canvasWidthHalf;_v2.positionScreen.y*=_canvasHeightHalf;_v3.positionScreen.x*=_canvasWidthHalf;_v3.positionScreen.y*=_canvasHeightHalf;if(material.overdraw>0){expand(_v1.positionScreen,_v2.positionScreen,material.overdraw);expand(_v2.positionScreen,_v3.positionScreen,material.overdraw);expand(_v3.positionScreen,_v1.positionScreen,material.overdraw)}_elemBox.setFromPoints([_v1.positionScreen,_v2.positionScreen,_v3.positionScreen]);if(_clipBox.intersectsBox(_elemBox)===true){renderFace3(_v1,_v2,_v3,0,1,2,element,material)}}}}_clearBox.union(_elemBox)}_context.setTransform(1,0,0,1,0,0)};function calculateLights(){_ambientLight.setRGB(0,0,0);_directionalLights.setRGB(0,0,0);_pointLights.setRGB(0,0,0);for(var l=0,ll=_lights.length;l