21 lines
36 KiB
JavaScript
21 lines
36 KiB
JavaScript
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$(function(){var SCREEN_WIDTH=window.innerWidth,SCREEN_HEIGHT=window.innerHeight,mouseX=0,mouseY=0,windowHalfX=window.innerWidth/2,windowHalfY=window.innerHeight/2,SEPARATION=200,AMOUNTX=10,AMOUNTY=10,camera,scene,renderer;init();animate();function init(){var container,separation=100,amountX=50,amountY=50,particles,particle;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,SCREEN_WIDTH/SCREEN_HEIGHT,1,10000);camera.position.z=1000;scene=new THREE.Scene();renderer=new THREE.CanvasRenderer();renderer.setClearColor(16119801,0);renderer.setPixelRatio(window.devicePixelRatio);renderer.setSize(SCREEN_WIDTH,SCREEN_HEIGHT);container.appendChild(renderer.domElement);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()}});for(var i=0;i<1000;i++){particle=new THREE.Sprite(material);particle.position.x=Math.random()*2-1;particle.position.y=Math.random()*2-1;particle.position.z=Math.random()*2-1;particle.position.normalize();particle.position.multiplyScalar(Math.random()*10+450);particle.scale.multiplyScalar(2);scene.add(particle)}for(var i=0;i<300;i++){var geometry=new THREE.Geometry();var vertex=new THREE.Vector3(Math.random()*2-1,Math.random()*2-1,Math.random()*2-1);vertex.normalize();vertex.multiplyScalar(450);geometry.vertices.push(vertex);var vertex2=vertex.clone();vertex2.multiplyScalar(Math.random()*0.3+1);geometry.vertices.push(vertex2);var line=new THREE.Line(geometry,new THREE.LineBasicMaterial({color:10263708,opacity:Math.random()}));scene.add(line)}document.addEventListener("mousemove",onDocumentMouseMove,false);document.addEventListener("touchstart",onDocumentTouchStart,false);document.addEventListener("touchmove",onDocumentTouchMove,false);window.addEventListener("resize",onWindowResize,false)
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}function onWindowResize(){windowHalfX=window.innerWidth/2;windowHalfY=window.innerHeight/2;camera.aspect=window.innerWidth/window.innerHeight;camera.updateProjectionMatrix();renderer.setSize(window.innerWidth,window.innerHeight)}function onDocumentMouseMove(event){mouseX=event.clientX-windowHalfX;mouseY=event.clientY-windowHalfY}function onDocumentTouchStart(event){if(event.touches.length>1){mouseX=event.touches[0].pageX-windowHalfX}}function onDocumentTouchMove(event){if(event.touches.length==1){mouseX=event.touches[0].pageX-windowHalfX}}function animate(){requestAnimationFrame(animate);render()}function render(){camera.position.x+=(mouseX-camera.position.x)*0.05;camera.position.y+=(-mouseY+200-camera.position.y)*0.05;camera.lookAt(scene.position);renderer.render(scene,camera)}});
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THREE.RenderableObject=function(){this.id=0;this.object=null;this.z=0;this.renderOrder=0};THREE.RenderableFace=function(){this.id=0;this.v1=new THREE.RenderableVertex();this.v2=new THREE.RenderableVertex();this.v3=new THREE.RenderableVertex();this.normalModel=new THREE.Vector3();this.vertexNormalsModel=[new THREE.Vector3(),new THREE.Vector3(),new THREE.Vector3()];this.vertexNormalsLength=0;this.color=new THREE.Color();this.material=null;this.uvs=[new THREE.Vector2(),new THREE.Vector2(),new THREE.Vector2()];this.z=0;this.renderOrder=0};THREE.RenderableVertex=function(){this.position=new THREE.Vector3();this.positionWorld=new THREE.Vector3();this.positionScreen=new THREE.Vector4();this.visible=true};THREE.RenderableVertex.prototype.copy=function(vertex){this.positionWorld.copy(vertex.positionWorld);this.positionScreen.copy(vertex.positionScreen)};THREE.RenderableLine=function(){this.id=0;this.v1=new THREE.RenderableVertex();this.v2=new THREE.RenderableVertex();this.vertexColors=[new THREE.Color(),new THREE.Color()];this.material=null;this.z=0;this.renderOrder=0};THREE.RenderableSprite=function(){this.id=0;this.object=null;this.x=0;this.y=0;this.z=0;this.rotation=0;this.scale=new THREE.Vector2();this.material=null;this.renderOrder=0};THREE.Projector=function(){var _object,_objectCount,_objectPool=[],_objectPoolLength=0,_vertex,_vertexCount,_vertexPool=[],_vertexPoolLength=0,_face,_faceCount,_facePool=[],_facePoolLength=0,_line,_lineCount,_linePool=[],_linePoolLength=0,_sprite,_spriteCount,_spritePool=[],_spritePoolLength=0,_renderData={objects:[],lights:[],elements:[]},_vector3=new THREE.Vector3(),_vector4=new THREE.Vector4(),_clipBox=new THREE.Box3(new THREE.Vector3(-1,-1,-1),new THREE.Vector3(1,1,1)),_boundingBox=new THREE.Box3(),_points3=new Array(3),_points4=new Array(4),_viewMatrix=new THREE.Matrix4(),_viewProjectionMatrix=new THREE.Matrix4(),_modelMatrix,_modelViewProjectionMatrix=new THREE.Matrix4(),_normalMatrix=new THREE.Matrix3(),_frustum=new THREE.Frustum(),_clippedVertex1PositionScreen=new THREE.Vector4(),_clippedVertex2PositionScreen=new THREE.Vector4();
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this.projectVector=function(vector,camera){console.warn("THREE.Projector: .projectVector() is now vector.project().");vector.project(camera)};this.unprojectVector=function(vector,camera){console.warn("THREE.Projector: .unprojectVector() is now vector.unproject().");vector.unproject(camera)};this.pickingRay=function(vector,camera){console.error("THREE.Projector: .pickingRay() is now raycaster.setFromCamera().")};var RenderList=function(){var normals=[];var uvs=[];var object=null;var material=null;var normalMatrix=new THREE.Matrix3();function setObject(value){object=value;material=object.material;normalMatrix.getNormalMatrix(object.matrixWorld);normals.length=0;uvs.length=0}function projectVertex(vertex){var position=vertex.position;var positionWorld=vertex.positionWorld;var positionScreen=vertex.positionScreen;positionWorld.copy(position).applyMatrix4(_modelMatrix);positionScreen.copy(positionWorld).applyMatrix4(_viewProjectionMatrix);var invW=1/positionScreen.w;positionScreen.x*=invW;positionScreen.y*=invW;positionScreen.z*=invW;vertex.visible=positionScreen.x>=-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);
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_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;
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_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;o<ol;o++){var object=_renderData.objects[o].object;var geometry=object.geometry;renderList.setObject(object);_modelMatrix=object.matrixWorld;_vertexCount=0;if(object instanceof THREE.Mesh){if(geometry instanceof THREE.BufferGeometry){var attributes=geometry.attributes;var groups=geometry.groups;if(attributes.position===undefined){continue}var positions=attributes.position.array;for(var i=0,l=positions.length;i<l;i+=3){renderList.pushVertex(positions[i],positions[i+1],positions[i+2])}if(attributes.normal!==undefined){var normals=attributes.normal.array;for(var i=0,l=normals.length;i<l;i+=3){renderList.pushNormal(normals[i],normals[i+1],normals[i+2])}}if(attributes.uv!==undefined){var uvs=attributes.uv.array;for(var i=0,l=uvs.length;i<l;i+=2){renderList.pushUv(uvs[i],uvs[i+1])}}if(geometry.index!==null){var indices=geometry.index.array;if(groups.length>0){for(var g=0;g<groups.length;g++){var group=groups[g];for(var i=group.start,l=group.start+group.count;i<l;i+=3){renderList.pushTriangle(indices[i],indices[i+1],indices[i+2])}}}else{for(var i=0,l=indices.length;i<l;i+=3){renderList.pushTriangle(indices[i],indices[i+1],indices[i+2])}}}else{for(var i=0,l=positions.length/3;i<l;i+=3){renderList.pushTriangle(i,i+1,i+2)}}}else{if(geometry instanceof THREE.Geometry){var vertices=geometry.vertices;var faces=geometry.faces;var faceVertexUvs=geometry.faceVertexUvs[0];
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_normalMatrix.getNormalMatrix(_modelMatrix);var material=object.material;var isFaceMaterial=material instanceof THREE.MultiMaterial;var objectMaterials=isFaceMaterial===true?object.material:null;for(var v=0,vl=vertices.length;v<vl;v++){var vertex=vertices[v];_vector3.copy(vertex);if(material.morphTargets===true){var morphTargets=geometry.morphTargets;var morphInfluences=object.morphTargetInfluences;for(var t=0,tl=morphTargets.length;t<tl;t++){var influence=morphInfluences[t];if(influence===0){continue}var target=morphTargets[t];var targetVertex=target.vertices[v];_vector3.x+=(targetVertex.x-vertex.x)*influence;_vector3.y+=(targetVertex.y-vertex.y)*influence;_vector3.z+=(targetVertex.z-vertex.z)*influence}}renderList.pushVertex(_vector3.x,_vector3.y,_vector3.z)}for(var f=0,fl=faces.length;f<fl;f++){var face=faces[f];material=isFaceMaterial===true?objectMaterials.materials[face.materialIndex]:object.material;if(material===undefined){continue}var side=material.side;var v1=_vertexPool[face.a];var v2=_vertexPool[face.b];var v3=_vertexPool[face.c];if(renderList.checkTriangleVisibility(v1,v2,v3)===false){continue}var visible=renderList.checkBackfaceCulling(v1,v2,v3);if(side!==THREE.DoubleSide){if(side===THREE.FrontSide&&visible===false){continue}if(side===THREE.BackSide&&visible===true){continue}}_face=getNextFaceInPool();_face.id=object.id;_face.v1.copy(v1);_face.v2.copy(v2);_face.v3.copy(v3);_face.normalModel.copy(face.normal);if(visible===false&&(side===THREE.BackSide||side===THREE.DoubleSide)){_face.normalModel.negate()}_face.normalModel.applyMatrix3(_normalMatrix).normalize();var faceVertexNormals=face.vertexNormals;for(var n=0,nl=Math.min(faceVertexNormals.length,3);n<nl;n++){var normalModel=_face.vertexNormalsModel[n];normalModel.copy(faceVertexNormals[n]);if(visible===false&&(side===THREE.BackSide||side===THREE.DoubleSide)){normalModel.negate()}normalModel.applyMatrix3(_normalMatrix).normalize()}_face.vertexNormalsLength=faceVertexNormals.length;var vertexUvs=faceVertexUvs[f];
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if(vertexUvs!==undefined){for(var u=0;u<3;u++){_face.uvs[u].copy(vertexUvs[u])}}_face.color=face.color;_face.material=material;_face.z=(v1.positionScreen.z+v2.positionScreen.z+v3.positionScreen.z)/3;_face.renderOrder=object.renderOrder;_renderData.elements.push(_face)}}}}else{if(object instanceof THREE.Line){if(geometry instanceof THREE.BufferGeometry){var attributes=geometry.attributes;if(attributes.position!==undefined){var positions=attributes.position.array;for(var i=0,l=positions.length;i<l;i+=3){renderList.pushVertex(positions[i],positions[i+1],positions[i+2])}if(geometry.index!==null){var indices=geometry.index.array;for(var i=0,l=indices.length;i<l;i+=2){renderList.pushLine(indices[i],indices[i+1])}}else{var step=object instanceof THREE.LineSegments?2:1;for(var i=0,l=(positions.length/3)-1;i<l;i+=step){renderList.pushLine(i,i+1)}}}}else{if(geometry instanceof THREE.Geometry){_modelViewProjectionMatrix.multiplyMatrices(_viewProjectionMatrix,_modelMatrix);var vertices=object.geometry.vertices;if(vertices.length===0){continue}v1=getNextVertexInPool();v1.positionScreen.copy(vertices[0]).applyMatrix4(_modelViewProjectionMatrix);var step=object instanceof THREE.LineSegments?2:1;for(var v=1,vl=vertices.length;v<vl;v++){v1=getNextVertexInPool();v1.positionScreen.copy(vertices[v]).applyMatrix4(_modelViewProjectionMatrix);if((v+1)%step>0){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;
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_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();
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_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(alpha2<alpha1){return false}else{s1.lerp(s2,alpha1);s2.lerp(s1,1-alpha2);return true}}}}};
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THREE.SpriteCanvasMaterial=function(parameters){THREE.Material.call(this);this.type="SpriteCanvasMaterial";this.color=new THREE.Color(16777215);this.program=function(context,color){};this.setValues(parameters)};THREE.SpriteCanvasMaterial.prototype=Object.create(THREE.Material.prototype);THREE.SpriteCanvasMaterial.prototype.constructor=THREE.SpriteCanvasMaterial;THREE.SpriteCanvasMaterial.prototype.clone=function(){var material=new THREE.SpriteCanvasMaterial();material.copy(this);material.color.copy(this.color);material.program=this.program;return material};THREE.CanvasRenderer=function(parameters){console.log("THREE.CanvasRenderer",THREE.REVISION);parameters=parameters||{};var _this=this,_renderData,_elements,_lights,_projector=new THREE.Projector(),_canvas=parameters.canvas!==undefined?parameters.canvas:document.createElement("canvas"),_canvasWidth=_canvas.width,_canvasHeight=_canvas.height,_canvasWidthHalf=Math.floor(_canvasWidth/2),_canvasHeightHalf=Math.floor(_canvasHeight/2),_viewportX=0,_viewportY=0,_viewportWidth=_canvasWidth,_viewportHeight=_canvasHeight,_pixelRatio=1,_context=_canvas.getContext("2d",{alpha:parameters.alpha===true}),_clearColor=new THREE.Color(0),_clearAlpha=parameters.alpha===true?0:1,_contextGlobalAlpha=1,_contextGlobalCompositeOperation=0,_contextStrokeStyle=null,_contextFillStyle=null,_contextLineWidth=null,_contextLineCap=null,_contextLineJoin=null,_contextLineDash=[],_camera,_v1,_v2,_v3,_v4,_v5=new THREE.RenderableVertex(),_v6=new THREE.RenderableVertex(),_v1x,_v1y,_v2x,_v2y,_v3x,_v3y,_v4x,_v4y,_v5x,_v5y,_v6x,_v6y,_color=new THREE.Color(),_color1=new THREE.Color(),_color2=new THREE.Color(),_color3=new THREE.Color(),_color4=new THREE.Color(),_diffuseColor=new THREE.Color(),_emissiveColor=new THREE.Color(),_lightColor=new THREE.Color(),_patterns={},_image,_uvs,_uv1x,_uv1y,_uv2x,_uv2y,_uv3x,_uv3y,_clipBox=new THREE.Box2(),_clearBox=new THREE.Box2(),_elemBox=new THREE.Box2(),_ambientLight=new THREE.Color(),_directionalLights=new THREE.Color(),_pointLights=new THREE.Color(),_vector3=new THREE.Vector3(),_centroid=new THREE.Vector3(),_normal=new THREE.Vector3(),_normalViewMatrix=new THREE.Matrix3();
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if(_context.setLineDash===undefined){_context.setLineDash=function(){}}this.domElement=_canvas;this.autoClear=true;this.sortObjects=true;this.sortElements=true;this.info={render:{vertices:0,faces:0}};this.supportsVertexTextures=function(){};this.setFaceCulling=function(){};this.getContext=function(){return _context};this.getContextAttributes=function(){return _context.getContextAttributes()};this.getPixelRatio=function(){return _pixelRatio};this.setPixelRatio=function(value){if(value!==undefined){_pixelRatio=value}};this.setSize=function(width,height,updateStyle){_canvasWidth=width*_pixelRatio;_canvasHeight=height*_pixelRatio;_canvas.width=_canvasWidth;_canvas.height=_canvasHeight;_canvasWidthHalf=Math.floor(_canvasWidth/2);_canvasHeightHalf=Math.floor(_canvasHeight/2);if(updateStyle!==false){_canvas.style.width=width+"px";_canvas.style.height=height+"px"}_clipBox.min.set(-_canvasWidthHalf,-_canvasHeightHalf);_clipBox.max.set(_canvasWidthHalf,_canvasHeightHalf);_clearBox.min.set(-_canvasWidthHalf,-_canvasHeightHalf);_clearBox.max.set(_canvasWidthHalf,_canvasHeightHalf);_contextGlobalAlpha=1;_contextGlobalCompositeOperation=0;_contextStrokeStyle=null;_contextFillStyle=null;_contextLineWidth=null;_contextLineCap=null;_contextLineJoin=null;this.setViewport(0,0,width,height)};this.setViewport=function(x,y,width,height){_viewportX=x*_pixelRatio;_viewportY=y*_pixelRatio;_viewportWidth=width*_pixelRatio;_viewportHeight=height*_pixelRatio};this.setScissor=function(){};this.setScissorTest=function(){};this.setClearColor=function(color,alpha){_clearColor.set(color);_clearAlpha=alpha!==undefined?alpha:1;_clearBox.min.set(-_canvasWidthHalf,-_canvasHeightHalf);_clearBox.max.set(_canvasWidthHalf,_canvasHeightHalf)};this.setClearColorHex=function(hex,alpha){console.warn("THREE.CanvasRenderer: .setClearColorHex() is being removed. Use .setClearColor() instead.");this.setClearColor(hex,alpha)};this.getClearColor=function(){return _clearColor};this.getClearAlpha=function(){return _clearAlpha
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};this.getMaxAnisotropy=function(){return 0};this.clear=function(){if(_clearBox.isEmpty()===false){_clearBox.intersect(_clipBox);_clearBox.expandByScalar(2);_clearBox.min.x=_clearBox.min.x+_canvasWidthHalf;_clearBox.min.y=-_clearBox.min.y+_canvasHeightHalf;_clearBox.max.x=_clearBox.max.x+_canvasWidthHalf;_clearBox.max.y=-_clearBox.max.y+_canvasHeightHalf;if(_clearAlpha<1){_context.clearRect(_clearBox.min.x|0,_clearBox.max.y|0,(_clearBox.max.x-_clearBox.min.x)|0,(_clearBox.min.y-_clearBox.max.y)|0)}if(_clearAlpha>0){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;e<el;e++){var element=_elements[e];var material=element.material;if(material===undefined||material.opacity===0){continue
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}_elemBox.makeEmpty();if(element instanceof THREE.RenderableSprite){_v1=element;_v1.x*=_canvasWidthHalf;_v1.y*=_canvasHeightHalf;renderSprite(_v1,element,material)}else{if(element instanceof THREE.RenderableLine){_v1=element.v1;_v2=element.v2;_v1.positionScreen.x*=_canvasWidthHalf;_v1.positionScreen.y*=_canvasHeightHalf;_v2.positionScreen.x*=_canvasWidthHalf;_v2.positionScreen.y*=_canvasHeightHalf;_elemBox.setFromPoints([_v1.positionScreen,_v2.positionScreen]);if(_clipBox.intersectsBox(_elemBox)===true){renderLine(_v1,_v2,element,material)}}else{if(element instanceof THREE.RenderableFace){_v1=element.v1;_v2=element.v2;_v3=element.v3;if(_v1.positionScreen.z<-1||_v1.positionScreen.z>1){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<ll;l++){var light=_lights[l];var lightColor=light.color;if(light instanceof THREE.AmbientLight){_ambientLight.add(lightColor)}else{if(light instanceof THREE.DirectionalLight){_directionalLights.add(lightColor)}else{if(light instanceof THREE.PointLight){_pointLights.add(lightColor)}}}}}function calculateLight(position,normal,color){for(var l=0,ll=_lights.length;
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l<ll;l++){var light=_lights[l];_lightColor.copy(light.color);if(light instanceof THREE.DirectionalLight){var lightPosition=_vector3.setFromMatrixPosition(light.matrixWorld).normalize();var amount=normal.dot(lightPosition);if(amount<=0){continue}amount*=light.intensity;color.add(_lightColor.multiplyScalar(amount))}else{if(light instanceof THREE.PointLight){var lightPosition=_vector3.setFromMatrixPosition(light.matrixWorld);var amount=normal.dot(_vector3.subVectors(lightPosition,position).normalize());if(amount<=0){continue}amount*=light.distance==0?1:1-Math.min(position.distanceTo(lightPosition)/light.distance,1);if(amount==0){continue}amount*=light.intensity;color.add(_lightColor.multiplyScalar(amount))}}}}function renderSprite(v1,element,material){setOpacity(material.opacity);setBlending(material.blending);var scaleX=element.scale.x*_canvasWidthHalf;var scaleY=element.scale.y*_canvasHeightHalf;var dist=0.5*Math.sqrt(scaleX*scaleX+scaleY*scaleY);_elemBox.min.set(v1.x-dist,v1.y-dist);_elemBox.max.set(v1.x+dist,v1.y+dist);if(material instanceof THREE.SpriteMaterial){var texture=material.map;if(texture!==null){var pattern=_patterns[texture.id];if(pattern===undefined||pattern.version!==texture.version){pattern=textureToPattern(texture);_patterns[texture.id]=pattern}if(pattern.canvas!==undefined){setFillStyle(pattern.canvas);var bitmap=texture.image;var ox=bitmap.width*texture.offset.x;var oy=bitmap.height*texture.offset.y;var sx=bitmap.width*texture.repeat.x;var sy=bitmap.height*texture.repeat.y;var cx=scaleX/sx;var cy=scaleY/sy;_context.save();_context.translate(v1.x,v1.y);if(material.rotation!==0){_context.rotate(material.rotation)}_context.translate(-scaleX/2,-scaleY/2);_context.scale(cx,cy);_context.translate(-ox,-oy);_context.fillRect(ox,oy,sx,sy);_context.restore()}}else{setFillStyle(material.color.getStyle());_context.save();_context.translate(v1.x,v1.y);if(material.rotation!==0){_context.rotate(material.rotation)}_context.scale(scaleX,-scaleY);_context.fillRect(-0.5,-0.5,1,1);
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_context.restore()}}else{if(material instanceof THREE.SpriteCanvasMaterial){setStrokeStyle(material.color.getStyle());setFillStyle(material.color.getStyle());_context.save();_context.translate(v1.x,v1.y);if(material.rotation!==0){_context.rotate(material.rotation)}_context.scale(scaleX,scaleY);material.program(_context);_context.restore()}}}function renderLine(v1,v2,element,material){setOpacity(material.opacity);setBlending(material.blending);_context.beginPath();_context.moveTo(v1.positionScreen.x,v1.positionScreen.y);_context.lineTo(v2.positionScreen.x,v2.positionScreen.y);if(material instanceof THREE.LineBasicMaterial){setLineWidth(material.linewidth);setLineCap(material.linecap);setLineJoin(material.linejoin);if(material.vertexColors!==THREE.VertexColors){setStrokeStyle(material.color.getStyle())}else{var colorStyle1=element.vertexColors[0].getStyle();var colorStyle2=element.vertexColors[1].getStyle();if(colorStyle1===colorStyle2){setStrokeStyle(colorStyle1)}else{try{var grad=_context.createLinearGradient(v1.positionScreen.x,v1.positionScreen.y,v2.positionScreen.x,v2.positionScreen.y);grad.addColorStop(0,colorStyle1);grad.addColorStop(1,colorStyle2)}catch(exception){grad=colorStyle1}setStrokeStyle(grad)}}_context.stroke();_elemBox.expandByScalar(material.linewidth*2)}else{if(material instanceof THREE.LineDashedMaterial){setLineWidth(material.linewidth);setLineCap(material.linecap);setLineJoin(material.linejoin);setStrokeStyle(material.color.getStyle());setLineDash([material.dashSize,material.gapSize]);_context.stroke();_elemBox.expandByScalar(material.linewidth*2);setLineDash([])}}}function renderFace3(v1,v2,v3,uv1,uv2,uv3,element,material){_this.info.render.vertices+=3;_this.info.render.faces++;setOpacity(material.opacity);setBlending(material.blending);_v1x=v1.positionScreen.x;_v1y=v1.positionScreen.y;_v2x=v2.positionScreen.x;_v2y=v2.positionScreen.y;_v3x=v3.positionScreen.x;_v3y=v3.positionScreen.y;drawTriangle(_v1x,_v1y,_v2x,_v2y,_v3x,_v3y);if((material instanceof THREE.MeshLambertMaterial||material instanceof THREE.MeshPhongMaterial)&&material.map===null){_diffuseColor.copy(material.color);
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_emissiveColor.copy(material.emissive);if(material.vertexColors===THREE.FaceColors){_diffuseColor.multiply(element.color)}_color.copy(_ambientLight);_centroid.copy(v1.positionWorld).add(v2.positionWorld).add(v3.positionWorld).divideScalar(3);calculateLight(_centroid,element.normalModel,_color);_color.multiply(_diffuseColor).add(_emissiveColor);material.wireframe===true?strokePath(_color,material.wireframeLinewidth,material.wireframeLinecap,material.wireframeLinejoin):fillPath(_color)}else{if(material instanceof THREE.MeshBasicMaterial||material instanceof THREE.MeshLambertMaterial||material instanceof THREE.MeshPhongMaterial){if(material.map!==null){var mapping=material.map.mapping;if(mapping===THREE.UVMapping){_uvs=element.uvs;patternPath(_v1x,_v1y,_v2x,_v2y,_v3x,_v3y,_uvs[uv1].x,_uvs[uv1].y,_uvs[uv2].x,_uvs[uv2].y,_uvs[uv3].x,_uvs[uv3].y,material.map)}}else{if(material.envMap!==null){if(material.envMap.mapping===THREE.SphericalReflectionMapping){_normal.copy(element.vertexNormalsModel[uv1]).applyMatrix3(_normalViewMatrix);_uv1x=0.5*_normal.x+0.5;_uv1y=0.5*_normal.y+0.5;_normal.copy(element.vertexNormalsModel[uv2]).applyMatrix3(_normalViewMatrix);_uv2x=0.5*_normal.x+0.5;_uv2y=0.5*_normal.y+0.5;_normal.copy(element.vertexNormalsModel[uv3]).applyMatrix3(_normalViewMatrix);_uv3x=0.5*_normal.x+0.5;_uv3y=0.5*_normal.y+0.5;patternPath(_v1x,_v1y,_v2x,_v2y,_v3x,_v3y,_uv1x,_uv1y,_uv2x,_uv2y,_uv3x,_uv3y,material.envMap)}}else{_color.copy(material.color);if(material.vertexColors===THREE.FaceColors){_color.multiply(element.color)}material.wireframe===true?strokePath(_color,material.wireframeLinewidth,material.wireframeLinecap,material.wireframeLinejoin):fillPath(_color)}}}else{if(material instanceof THREE.MeshNormalMaterial){_normal.copy(element.normalModel).applyMatrix3(_normalViewMatrix);_color.setRGB(_normal.x,_normal.y,_normal.z).multiplyScalar(0.5).addScalar(0.5);material.wireframe===true?strokePath(_color,material.wireframeLinewidth,material.wireframeLinecap,material.wireframeLinejoin):fillPath(_color)
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}else{_color.setRGB(1,1,1);material.wireframe===true?strokePath(_color,material.wireframeLinewidth,material.wireframeLinecap,material.wireframeLinejoin):fillPath(_color)}}}}function drawTriangle(x0,y0,x1,y1,x2,y2){_context.beginPath();_context.moveTo(x0,y0);_context.lineTo(x1,y1);_context.lineTo(x2,y2);_context.closePath()}function strokePath(color,linewidth,linecap,linejoin){setLineWidth(linewidth);setLineCap(linecap);setLineJoin(linejoin);setStrokeStyle(color.getStyle());_context.stroke();_elemBox.expandByScalar(linewidth*2)}function fillPath(color){setFillStyle(color.getStyle());_context.fill()}function textureToPattern(texture){if(texture.version===0||texture instanceof THREE.CompressedTexture||texture instanceof THREE.DataTexture){return{canvas:undefined,version:texture.version}}var image=texture.image;if(image.complete===false){return{canvas:undefined,version:0}}var repeatX=texture.wrapS===THREE.RepeatWrapping||texture.wrapS===THREE.MirroredRepeatWrapping;var repeatY=texture.wrapT===THREE.RepeatWrapping||texture.wrapT===THREE.MirroredRepeatWrapping;var mirrorX=texture.wrapS===THREE.MirroredRepeatWrapping;var mirrorY=texture.wrapT===THREE.MirroredRepeatWrapping;var canvas=document.createElement("canvas");canvas.width=image.width*(mirrorX?2:1);canvas.height=image.height*(mirrorY?2:1);var context=canvas.getContext("2d");context.setTransform(1,0,0,-1,0,image.height);context.drawImage(image,0,0);if(mirrorX===true){context.setTransform(-1,0,0,-1,image.width,image.height);context.drawImage(image,-image.width,0)}if(mirrorY===true){context.setTransform(1,0,0,1,0,0);context.drawImage(image,0,image.height)}if(mirrorX===true&&mirrorY===true){context.setTransform(-1,0,0,1,image.width,0);context.drawImage(image,-image.width,image.height)}var repeat="no-repeat";if(repeatX===true&&repeatY===true){repeat="repeat"}else{if(repeatX===true){repeat="repeat-x"}else{if(repeatY===true){repeat="repeat-y"}}}var pattern=_context.createPattern(canvas,repeat);if(texture.onUpdate){texture.onUpdate(texture)
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}return{canvas:pattern,version:texture.version}}function patternPath(x0,y0,x1,y1,x2,y2,u0,v0,u1,v1,u2,v2,texture){var pattern=_patterns[texture.id];if(pattern===undefined||pattern.version!==texture.version){pattern=textureToPattern(texture);_patterns[texture.id]=pattern}if(pattern.canvas!==undefined){setFillStyle(pattern.canvas)}else{setFillStyle("rgba( 0, 0, 0, 1)");_context.fill();return}var a,b,c,d,e,f,det,idet,offsetX=texture.offset.x/texture.repeat.x,offsetY=texture.offset.y/texture.repeat.y,width=texture.image.width*texture.repeat.x,height=texture.image.height*texture.repeat.y;u0=(u0+offsetX)*width;v0=(v0+offsetY)*height;u1=(u1+offsetX)*width;v1=(v1+offsetY)*height;u2=(u2+offsetX)*width;v2=(v2+offsetY)*height;x1-=x0;y1-=y0;x2-=x0;y2-=y0;u1-=u0;v1-=v0;u2-=u0;v2-=v0;det=u1*v2-u2*v1;if(det===0){return}idet=1/det;a=(v2*x1-v1*x2)*idet;b=(v2*y1-v1*y2)*idet;c=(u1*x2-u2*x1)*idet;d=(u1*y2-u2*y1)*idet;e=x0-a*u0-c*v0;f=y0-b*u0-d*v0;_context.save();_context.transform(a,b,c,d,e,f);_context.fill();_context.restore()}function clipImage(x0,y0,x1,y1,x2,y2,u0,v0,u1,v1,u2,v2,image){var a,b,c,d,e,f,det,idet,width=image.width-1,height=image.height-1;u0*=width;v0*=height;u1*=width;v1*=height;u2*=width;v2*=height;x1-=x0;y1-=y0;x2-=x0;y2-=y0;u1-=u0;v1-=v0;u2-=u0;v2-=v0;det=u1*v2-u2*v1;idet=1/det;a=(v2*x1-v1*x2)*idet;b=(v2*y1-v1*y2)*idet;c=(u1*x2-u2*x1)*idet;d=(u1*y2-u2*y1)*idet;e=x0-a*u0-c*v0;f=y0-b*u0-d*v0;_context.save();_context.transform(a,b,c,d,e,f);_context.clip();_context.drawImage(image,0,0);_context.restore()}function expand(v1,v2,pixels){var x=v2.x-v1.x,y=v2.y-v1.y,det=x*x+y*y,idet;if(det===0){return}idet=pixels/Math.sqrt(det);x*=idet;y*=idet;v2.x+=x;v2.y+=y;v1.x-=x;v1.y-=y}function setOpacity(value){if(_contextGlobalAlpha!==value){_context.globalAlpha=value;_contextGlobalAlpha=value}}function setBlending(value){if(_contextGlobalCompositeOperation!==value){if(value===THREE.NormalBlending){_context.globalCompositeOperation="source-over"}else{if(value===THREE.AdditiveBlending){_context.globalCompositeOperation="lighter"
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}else{if(value===THREE.SubtractiveBlending){_context.globalCompositeOperation="darker"}else{if(value===THREE.MultiplyBlending){_context.globalCompositeOperation="multiply"}}}}_contextGlobalCompositeOperation=value}}function setLineWidth(value){if(_contextLineWidth!==value){_context.lineWidth=value;_contextLineWidth=value}}function setLineCap(value){if(_contextLineCap!==value){_context.lineCap=value;_contextLineCap=value}}function setLineJoin(value){if(_contextLineJoin!==value){_context.lineJoin=value;_contextLineJoin=value}}function setStrokeStyle(value){if(_contextStrokeStyle!==value){_context.strokeStyle=value;_contextStrokeStyle=value}}function setFillStyle(value){if(_contextFillStyle!==value){_context.fillStyle=value;_contextFillStyle=value}}function setLineDash(value){if(_contextLineDash.length!==value.length){_context.setLineDash(value);_contextLineDash=value}}};
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