phoria-min.js

glMatrix.setMatrixArrayType(Array);vec3.fromXYZ=function(xyz){var out=new Array(3);out[0]=xyz.x;out[1]=xyz.y;out[2]=xyz.z;return out};vec3.toXYZ=function(vec){return{x:vec[0],y:vec[1],z:vec[2]}};vec4.fromXYZ=function(xyz,w){var out=new Array(4);out[0]=xyz.x;out[1]=xyz.y;out[2]=xyz.z;out[3]=w;return out};mat4.fromYPR=function(yaw,pitch,roll){var out=new Array(16);var angles0=Math.sin(roll),angles1=Math.cos(roll),angles2=Math.sin(pitch),angles3=Math.cos(pitch),angles4=Math.sin(yaw),angles5=Math.cos(yaw);out[0]=angles5*angles1;out[4]=-(angles5*angles0);out[8]=angles4;out[1]=(angles2*angles4*angles1)+(angles3*angles0);out[5]=(angles3*angles1)-(angles2*angles4*angles0);out[9]=-(angles2*angles5);out[2]=(angles2*angles0)-(angles3*angles4*angles1);out[6]=(angles2*angles1)+(angles3*angles4*angles0);out[10]=angles3*angles5;out[3]=0;out[7]=0;out[11]=0;out[12]=0;out[13]=0;out[14]=0;out[15]=1;return out};quat.fromYPR=function(yaw,pitch,roll){var num9=roll*0.5;var num6=Math.sin(num9);var num5=Math.cos(num9);var num8=pitch*0.5;var num4=Math.sin(num8);var num3=Math.cos(num8);var num7=yaw*0.5;var num2=Math.sin(num7);var num=Math.cos(num7);var out=new Array(4);out[0]=((num*num4)*num5)+((num2*num3)*num6);out[1]=((num2*num3)*num5)-((num*num4)*num6);out[2]=((num*num3)*num6)-((num2*num4)*num5);out[3]=((num*num3)*num5)+((num2*num4)*num6);return out};if(typeof Phoria==="undefined"||!Phoria){var Phoria={};Phoria.RADIANS=Math.PI/180;Phoria.TWOPI=Math.PI*2;Phoria.ONEOPI=1/Math.PI;Phoria.PIO2=Math.PI/2;Phoria.PIO4=Math.PI/4;Phoria.EPSILON=0.000001}(function(){Phoria.Util={};Phoria.Util.extend=function extend(subc,superc,overrides){var F=function(){},i;F.prototype=superc.prototype;subc.prototype=new F();subc.prototype.constructor=subc;subc.superclass=superc.prototype;if(superc.prototype.constructor==Object.prototype.constructor){superc.prototype.constructor=superc}if(overrides){for(i in overrides){if(overrides.hasOwnProperty(i)){subc.prototype[i]=overrides[i]}}}};Phoria.Util.augment=function augment(r,s){for(var p in s.prototype){if(typeof r.prototype[p]==="undefined"){r.prototype[p]=s.prototype[p]}}};Phoria.Util.merge=function merge(target,src){var array=Array.isArray(src),dst=array&&[]||{};if(array){target=target||[];dst=dst.concat(target);src.forEach(function(e,i){if(typeof e==="object"){dst[i]=Phoria.Util.merge(target[i],e)}else{dst[i]=e}})}else{if(target&&typeof target==="object"){Object.keys(target).forEach(function(key){dst[key]=target[key]})}Object.keys(src).forEach(function(key){if(typeof src[key]!=="object"||!src[key]){dst[key]=src[key]}else{if(!target||!target[key]){dst[key]=src[key]}else{dst[key]=Phoria.Util.merge(target[key],src[key])}}})}return dst};Phoria.Util.combine=function combine(target,src){var array=Array.isArray(src)&&Array.isArray(target);if(array){if(target.length<src.length){target.length=src.length}src.forEach(function(e,i){if(typeof e==="object"){target[i]=target[i]||{};Phoria.Util.combine(target[i],e)}else{target[i]=e}})}else{Object.keys(src).forEach(function(key){if(typeof src[key]!=="object"||!src[key]){target[key]=src[key]}else{target[key]=target[key]||(Array.isArray(src[key])?[]:{});Phoria.Util.combine(target[key],src[key])}})}};Phoria.Util.clone=function clone(src){var n=null,dst={};for(var p in src){n=src[p];if(Array.isArray(n)){dst[p]=[].concat(n)}else{dst[p]=n}}return dst};Phoria.Util.isIdentity=function isIdentity(mat){return(mat[0]===1&&mat[1]===0&&mat[2]===0&&mat[3]===0&&mat[4]===0&&mat[5]===1&&mat[6]===0&&mat[7]===0&&mat[8]===0&&mat[9]===0&&mat[10]===1&&mat[11]===0&&mat[12]===0&&mat[13]===0&&mat[14]===0&&mat[15]===1)};Phoria.Util.calcNormalVector=function calcNormalVector(x1,y1,z1,x2,y2,z2){var v=vec4.fromValues((y1*z2)-(z1*y2),-((z2*x1)-(x2*z1)),(x1*y2)-(y1*x2),0);return vec3.normalize(v,v)};Phoria.Util.thetaTo=function thetaTo(v1,v2){return Math.acos(vec3.dot(v1,v2)/(Math.sqrt(v1[0]*v1[0]+v1[1]*v1[1]+v1[2]*v1[2])*Math.sqrt(v2[0]*v2[0]+v2[1]*v2[1]+v2[2]*v2[2])))};Phoria.Util.averagePolyVertex=function averagePolyVertex(vertices,worldcoords){for(var i=0,avx=0,avy=0,avz=0;i<vertices.length;i++){avx+=worldcoords[vertices[i]][0];avy+=worldcoords[vertices[i]][1];avz+=worldcoords[vertices[i]][2]}return vec3.fromValues(avx/vertices.length,avy/vertices.length,avz/vertices.length)};Phoria.Util.averageObjectZ=function averageObjectZ(coords){var av=0;for(var i=0;i<coords.length;i++){av+=coords[i][3]}return av/coords.length};Phoria.Util.populateBuffer=function populateBuffer(len,fnFactory){var array=new Array(len);for(var i=0;i<len;i++){array[i]=fnFactory(i)}return array};Phoria.Util.sortPolygons=function sortPolygons(polygons,worldcoords){for(var i=0,verts;i<polygons.length;i++){verts=polygons[i].vertices;if(verts.length===3){polygons[i]._avz=(worldcoords[verts[0]][2]+worldcoords[verts[1]][2]+worldcoords[verts[2]][2])*0.333333}else{polygons[i]._avz=(worldcoords[verts[0]][2]+worldcoords[verts[1]][2]+worldcoords[verts[2]][2]+worldcoords[verts[3]][2])*0.25}}polygons.sort(function sortPolygonsZ(f1,f2){return(f1._avz<f2._avz?-1:1)})};Phoria.Util.sortEdges=function sortEdges(edges,coords){for(var i=0;i<edges.length;i++){edges[i]._avz=(coords[edges[i].a][2]+coords[edges[i].b][2])*0.5}edges.sort(function sortEdgesZ(f1,f2){return(f1._avz<f2._avz?-1:1)})};Phoria.Util.sortPoints=function sortPoints(coords,worldcoords){var quickSort=function qSort(c,a,start,end){if(start<end){var pivotIndex=(start+end)>>1,pivotValue=a[pivotIndex][2],pivotIndexNew=start;var tmp=a[pivotIndex];a[pivotIndex]=a[end];a[end]=tmp;tmp=c[pivotIndex];c[pivotIndex]=c[end];c[end]=tmp;for(var i=start;i<end;i++){if(a[i][2]>pivotValue){tmp=c[i];c[i]=c[pivotIndexNew];c[pivotIndexNew]=tmp;tmp=a[i];a[i]=a[pivotIndexNew];a[pivotIndexNew]=tmp;pivotIndexNew++}}tmp=c[pivotIndexNew];c[pivotIndexNew]=c[end];c[end]=tmp;tmp=a[pivotIndexNew];a[pivotIndexNew]=a[end];a[end]=tmp;qSort(c,a,start,pivotIndexNew-1);qSort(c,a,pivotIndexNew+1,end)}};quickSort(worldcoords,coords,0,coords.length-1)};Phoria.Util.generateTesselatedPlane=function generateTesselatedPlane(vsegs,hsegs,level,scale,generateUVs){var points=[],edges=[],polys=[],hinc=scale/hsegs,vinc=scale/vsegs,c=0;for(var i=0,x,y=scale/2;i<=vsegs;i++){x=-scale/2;for(var j=0;j<=hsegs;j++){points.push({x:x,y:0,z:y});if(j!==0){edges.push({a:c,b:c-1})}if(i!==0){edges.push({a:c,b:c-hsegs-1})}if(i!==0&&j!==0){var p={vertices:[c-hsegs-1,c,c-1,c-hsegs-2]};if(generateUVs){var uvs=[(1/hsegs)*j,(1/vsegs)*(i-1),(1/hsegs)*j,(1/vsegs)*i,(1/hsegs)*(j-1),(1/vsegs)*i,(1/hsegs)*(j-1),(1/vsegs)*(i-1)];p.uvs=uvs}polys.push(p)}x+=hinc;c++}y-=vinc}return{points:points,edges:edges,polygons:polys}};Phoria.Util.generateUnitCube=function generateUnitCube(scale){var s=scale||1;return{points:[{x:-1*s,y:1*s,z:-1*s},{x:1*s,y:1*s,z:-1*s},{x:1*s,y:-1*s,z:-1*s},{x:-1*s,y:-1*s,z:-1*s},{x:-1*s,y:1*s,z:1*s},{x:1*s,y:1*s,z:1*s},{x:1*s,y:-1*s,z:1*s},{x:-1*s,y:-1*s,z:1*s}],edges:[{a:0,b:1},{a:1,b:2},{a:2,b:3},{a:3,b:0},{a:4,b:5},{a:5,b:6},{a:6,b:7},{a:7,b:4},{a:0,b:4},{a:1,b:5},{a:2,b:6},{a:3,b:7}],polygons:[{vertices:[0,1,2,3]},{vertices:[1,5,6,2]},{vertices:[5,4,7,6]},{vertices:[4,0,3,7]},{vertices:[4,5,1,0]},{vertices:[3,2,6,7]}]}};Phoria.Util.generatePyramid=function generatePyramid(scale){var s=scale||1;return{points:[{x:-1*s,y:0,z:-1*s},{x:-1*s,y:0,z:1*s},{x:1*s,y:0,z:1*s},{x:1*s,y:0*s,z:-1*s},{x:0,y:1.5*s,z:0}],edges:[{a:0,b:1},{a:1,b:2},{a:2,b:3},{a:3,b:0},{a:0,b:4},{a:1,b:4},{a:2,b:4},{a:3,b:4}],polygons:[{vertices:[0,1,4]},{vertices:[1,2,4]},{vertices:[2,3,4]},{vertices:[3,0,4]},{vertices:[3,2,1,0]}]}};Phoria.Util.generateIcosahedron=function generateIcosahedron(scale){var s=scale||1;var t=(1+Math.sqrt(5))/2,tau=(t/Math.sqrt(1+t*t))*s,one=(1/Math.sqrt(1+t*t))*s;return{points:[{x:tau,y:one,z:0},{x:-tau,y:one,z:0},{x:-tau,y:-one,z:0},{x:tau,y:-one,z:0},{x:one,y:0,z:tau},{x:one,y:0,z:-tau},{x:-one,y:0,z:-tau},{x:-one,y:0,z:tau},{x:0,y:tau,z:one},{x:0,y:-tau,z:one},{x:0,y:-tau,z:-one},{x:0,y:tau,z:-one}],edges:[{a:4,b:8},{a:8,b:7},{a:7,b:4},{a:7,b:9},{a:9,b:4},{a:5,b:6},{a:6,b:11},{a:11,b:5},{a:5,b:10},{a:10,b:6},{a:0,b:4},{a:4,b:3},{a:3,b:0},{a:3,b:5},{a:5,b:0},{a:2,b:7},{a:7,b:1},{a:1,b:2},{a:1,b:6},{a:6,b:2},{a:8,b:0},{a:0,b:11},{a:11,b:8},{a:11,b:1},{a:1,b:8},{a:9,b:10},{a:10,b:3},{a:3,b:9},{a:9,b:2},{a:2,b:10}],polygons:[{vertices:[4,8,7]},{vertices:[4,7,9]},{vertices:[5,6,11]},{vertices:[5,10,6]},{vertices:[0,4,3]},{vertices:[0,3,5]},{vertices:[2,7,1]},{vertices:[2,1,6]},{vertices:[8,0,11]},{vertices:[8,11,1]},{vertices:[9,10,3]},{vertices:[9,2,10]},{vertices:[8,4,0]},{vertices:[11,0,5]},{vertices:[4,9,3]},{vertices:[5,3,10]},{vertices:[7,8,1]},{vertices:[6,1,11]},{vertices:[7,2,9]},{vertices:[6,10,2]}]}};Phoria.Util.subdivide=function subdivide(v,p){var vertices=[],polys=[];var fnNormalize=function(vn){var len=vn.x*vn.x+vn.y*vn.y+vn.z*vn.z;len=1/Math.sqrt(len);vn.x*=len;vn.y*=len;vn.z*=len};var fnSubDivide=function(v1,v2,v3){var v12={x:0,y:0,z:0},v23={x:0,y:0,z:0},v31={x:0,y:0,z:0};v12.x=v1.x+v2.x;v12.y=v1.y+v2.y;v12.z=v1.z+v2.z;v23.x=v2.x+v3.x;v23.y=v2.y+v3.y;v23.z=v2.z+v3.z;v31.x=v3.x+v1.x;v31.y=v3.y+v1.y;v31.z=v3.z+v1.z;fnNormalize(v12);fnNormalize(v23);fnNormalize(v31);var pn=vertices.length;vertices.push(v1,v2,v3,v12,v23,v31);polys.push({vertices:[pn+0,pn+3,pn+5]});polys.push({vertices:[pn+1,pn+4,pn+3]});polys.push({vertices:[pn+2,pn+5,pn+4]});polys.push({vertices:[pn+3,pn+4,pn+5]})};for(var i=0,vs;i<p.length;i++){vs=p[i].vertices;if(vs.length===3){fnSubDivide.call(this,v[vs[0]],v[vs[1]],v[vs[2]])}else{if(vs.length===4){fnSubDivide.call(this,v[vs[0]],v[vs[1]],v[vs[2]]);fnSubDivide.call(this,v[vs[2]],v[vs[3]],v[vs[0]])}}}return{points:vertices,polygons:polys}};Phoria.Util.generateCylinder=function generateCylinder(radius,length,strips){var points=[],polygons=[],edges=[];var inc=2*Math.PI/strips;for(var s=0,offset=0;s<=strips;s++){points.push({x:Math.cos(offset)*radius,z:Math.sin(offset)*radius,y:length/2});points.push({x:Math.cos(offset)*radius,z:Math.sin(offset)*radius,y:-length/2});offset+=inc;if(s!==0){polygons.push({vertices:[s*2-2,s*2,s*2+1,s*2-1]});edges.push({a:s*2,b:s*2-2},{a:s*2-2,b:s*2-1},{a:s*2+1,b:s*2-1});if(s===strips-1){var vs=[];for(var i=strips;i>=0;i--){vs.push(i*2)}polygons.push({vertices:vs});vs=[];for(var i=0;i<strips;i++){vs.push(i*2+1)}polygons.push({vertices:vs})}}}return{points:points,edges:edges,polygons:polygons}};Phoria.Util.generateCuboid=function generateCuboid(desc){var scalex=desc.scalex||1,scaley=desc.scaley||1,scalez=desc.scalez||1,offsetx=desc.offsetx||0,offsety=desc.offsety||0,offsetz=desc.offsetz||0;return{points:[{x:-1*scalex,y:1*scaley,z:-1*scalez},{x:1*scalex,y:1*scaley,z:-1*scalez},{x:1*scalex,y:-1*scaley,z:-1*scalez},{x:-1*scalex,y:-1*scaley,z:-1*scalez},{x:-1*scalex,y:1*scaley,z:1*scalez},{x:1*scalex,y:1*scaley,z:1*scalez},{x:1*scalex,y:-1*scaley,z:1*scalez},{x:-1*scalex,y:-1*scaley,z:1*scalez}],edges:[{a:0,b:1},{a:1,b:2},{a:2,b:3},{a:3,b:0},{a:4,b:5},{a:5,b:6},{a:6,b:7},{a:7,b:4},{a:0,b:4},{a:1,b:5},{a:2,b:6},{a:3,b:7}],polygons:[{vertices:[0,1,2,3]},{vertices:[0,4,5,1]},{vertices:[1,5,6,2]},{vertices:[2,6,7,3]},{vertices:[4,0,3,7]},{vertices:[5,4,7,6]}]}};Phoria.Util.generateSphere=function generateSphere(scale,lats,longs,generateUVs){var points=[],edges=[],polys=[],uvs=[];for(var latNumber=0;latNumber<=lats;++latNumber){for(var longNumber=0;longNumber<=longs;++longNumber){var theta=latNumber*Math.PI/lats;var phi=longNumber*2*Math.PI/longs;var sinTheta=Math.sin(theta);var sinPhi=Math.sin(phi);var cosTheta=Math.cos(theta);var cosPhi=Math.cos(phi);var x=cosPhi*sinTheta;var y=cosTheta;var z=sinPhi*sinTheta;if(generateUVs){var u=longNumber/longs;var v=latNumber/lats;uvs.push({u:u,v:v})}points.push({x:scale*x,y:scale*y,z:scale*z})}}for(var latNumber=0;latNumber<lats;++latNumber){for(var longNumber=0;longNumber<longs;++longNumber){var first=(latNumber*(longs+1))+longNumber;var second=first+longs+1;if(latNumber===0){var p={vertices:[first+1,second+1,second]};if(generateUVs){p.uvs=[uvs[first+1].u,uvs[first+1].v,uvs[second+1].u,uvs[second+1].v,uvs[second].u,uvs[second].v]}polys.push(p);edges.push({a:first,b:second})}else{if(latNumber===lats-1){var p={vertices:[first+1,second,first]};if(generateUVs){p.uvs=[uvs[first+1].u,uvs[first+1].v,uvs[second].u,uvs[second].v,uvs[first].u,uvs[first].v]}polys.push(p);edges.push({a:first,b:second})}else{var p={vertices:[first+1,second+1,second,first]};if(generateUVs){p.uvs=[uvs[first+1].u,uvs[first+1].v,uvs[second+1].u,uvs[second+1].v,uvs[second].u,uvs[second].v,uvs[first].u,uvs[first].v]}polys.push(p);edges.push({a:first,b:second});edges.push({a:second,b:second+1})}}}}return{points:points,edges:edges,polygons:polys}};Phoria.Util.generateRadialGradientBitmap=function generateRadialGradientBitmap(size,innerColour,outerColour){var buffer=document.createElement("canvas"),width=size<<1;buffer.width=buffer.height=width;var ctx=buffer.getContext("2d"),radgrad=ctx.createRadialGradient(size,size,size>>1,size,size,size);radgrad.addColorStop(0,innerColour);radgrad.addColorStop(1,outerColour);ctx.fillStyle=radgrad;ctx.fillRect(0,0,width,width);var img=new Image();img.src=buffer.toDataURL("image/png");return img};Phoria.Util.request=function request(config){var req=new XMLHttpRequest();var data=config.data||"";if(config.responseContentType&&req.overrideMimeType){req.overrideMimeType(config.responseContentType)}req.open(config.method?config.method:"GET",config.url);if(config.requestContentType){req.setRequestHeader("Accept",config.requestContentType)}req.onreadystatechange=function(){if(req.readyState===4){if(req.status===200){if(config.fnSuccess){config.fnSuccess.call(this,req.responseText,req.status)}}else{if(config.fnFailure){config.fnFailure.call(this,req.responseText,req.status)}else{alert(req.status+"\n\n"+req.responseText)}}}};try{if(config.method==="POST"||config.method==="PUT"){req.send(data)}else{req.send(null)}}catch(e){alert(e.message)}};Phoria.Util.importGeometryWavefront=function importGeometryWavefront(config){var vertex=[],faces=[],uvs=[];var re=/\s+/;var scale=config.scale||1;var minx,miny,minz,maxx,maxy,maxz;minx=miny=minz=maxx=maxy=maxz=0;Phoria.Util.request({url:config.url,fnSuccess:function(data){var lines=data.split("\n");for(var i=0;i<lines.length;i++){var line=lines[i].split(re);switch(line[0]){case"v":var x=parseFloat(line[1])*scale,y=parseFloat(line[2])*scale,z=parseFloat(line[3])*scale;vertex.push({x:x,y:y,z:z});if(x<minx){minx=x}else{if(x>maxx){maxx=x}}if(y<miny){miny=y}else{if(y>maxy){maxy=y}}if(z<minz){minz=z}else{if(z>maxz){maxz=z}}break;case"vt":var u=parseFloat(line[1]),v=parseFloat(line[2]);uvs.push([u,v]);break;case"f":line.splice(0,1);var vertices=[],uvcoords=[];for(var j=0,vindex,vps;j<line.length;j++){vindex=line[config.reorder?line.length-j-1:j];if(vindex.length!==0){vps=vindex.split("/");vertices.push(parseInt(vps[0])-1);if(vps.length>1&&vindex.indexOf("//")===-1){var uv=parseInt(vps[1])-1;if(uvs.length>uv){uvcoords.push(uvs[uv][0],uvs[uv][1])}}}}var poly={vertices:vertices};faces.push(poly);if(uvcoords.length!==0){poly.uvs=uvcoords}break}}if(config.center){var cdispx=(minx+maxx)/2,cdispy=(miny+maxy)/2,cdispz=(minz+maxz)/2;for(var i=0;i<vertex.length;i++){vertex[i].x-=cdispx;vertex[i].y-=cdispy;vertex[i].z-=cdispz}}if(config.scaleTo){var sizex=maxx-minx,sizey=maxy-miny,sizez=maxz-minz;var scalefactor=0;if(sizey>sizex){if(sizez>sizey){scalefactor=1/(sizez/config.scaleTo)}else{scalefactor=1/(sizey/config.scaleTo)}}else{if(sizez>sizex){scalefactor=1/(sizez/config.scaleTo)}else{scalefactor=1/(sizex/config.scaleTo)}}for(var i=0;i<vertex.length;i++){vertex[i].x*=scalefactor;vertex[i].y*=scalefactor;vertex[i].z*=scalefactor}}if(config.fnSuccess){config.fnSuccess.call(this,{points:vertex,polygons:faces})}},fnFailure:function(error){if(config.fnFailure){config.fnFailure.call(this,error)}}})};Phoria.Util.calculatePolarFromPlanar=function calculatePolarFromPlanar(planar){var point=new vec3.create();point[0]=vec3.length(planar);point[1]=Math.acos(planar[2]/point[0]);if(planar[0]!==0){if(planar[0]>0){point[2]=Math.atan(planar[1]/planar[0])}else{point[2]=Math.PI+Math.atan(planar[1]/planar[0])}}else{if(planar[1]>0){point[2]=Math.PI/2}else{point[2]=Math.PI*3/2}}return point};Phoria.Util.calculatePlanarFromPolar=function calculatePlanarFromPolar(polar){return new vec3.fromValues(Math.round(polar[0]*Math.sin(polar[1])*Math.cos(polar[2])*100)/100,Math.round(polar[0]*Math.sin(polar[1])*Math.sin(polar[2])*100)/100,Math.round(polar[0]*Math.cos(polar[1])*100)/100)};Phoria.Util.planeLineIntersection=function planeLineIntersection(planeNormal,planePoint,lineVector,linePoint){var dotProduct=vec3.dot(lineVector,planeNormal);if(dotProduct!==0){var pointVector=new vec3.create();vec3.subtract(pointVector,planePoint,linePoint);var lineScalar=vec3.dot(planeNormal,pointVector)/dotProduct;var intersection=vec3.create();vec3.scaleAndAdd(intersection,linePoint,lineVector,lineScalar);return intersection}else{return null}};Phoria.Util.intersectionInsidePolygon=function intersectionInsidePolygon(polygon,points,intersection){var absNormal=vec3.fromValues(Math.abs(polygon._worldnormal[0]),Math.abs(polygon._worldnormal[1]),Math.abs(polygon._worldnormal[2]));var numIntersects=0;var testVector=vec2.fromValues(1,1);for(var l=0;l<polygon.vertices.length;l++){var point1,point2,intersection2D;if(absNormal[2]>=absNormal[0]&&absNormal[2]>=absNormal[1]){point1=vec2.fromValues(points[polygon.vertices[l]][0],points[polygon.vertices[l]][1]);point2;if(l<polygon.vertices.length-1){point2=vec2.fromValues(points[polygon.vertices[l+1]][0],points[polygon.vertices[l+1]][1])}else{point2=vec2.fromValues(points[polygon.vertices[0]][0],points[polygon.vertices[0]][1])}intersection2D=vec2.fromValues(intersection[0],intersection[1])}else{if(absNormal[1]>absNormal[0]){point1=vec2.fromValues(points[polygon.vertices[l]][2],points[polygon.vertices[l]][0]);point2;if(l<polygon.vertices.length-1){point2=vec2.fromValues(points[polygon.vertices[l+1]][2],points[polygon.vertices[l+1]][0])}else{point2=vec2.fromValues(points[polygon.vertices[0]][2],points[polygon.vertices[0]][0])}intersection2D=vec2.fromValues(intersection[2],intersection[0])}else{point1=vec2.fromValues(points[polygon.vertices[l]][1],points[polygon.vertices[l]][2]);point2;if(l<polygon.vertices.length-1){point2=vec2.fromValues(points[polygon.vertices[l+1]][1],points[polygon.vertices[l+1]][2])}else{point2=vec2.fromValues(points[polygon.vertices[0]][1],points[polygon.vertices[0]][2])}intersection2D=vec2.fromValues(intersection[1],intersection[2])}}if(Phoria.Util.sectionLineIntersect2D(point1,point2,intersection2D,testVector)){numIntersects++}}return(numIntersects%2===1)};Phoria.Util.sectionLineIntersect2D=function sectionLineIntersect2D(p1,p2,p,v){var s=vec2.create();vec2.subtract(s,p2,p1);var svCross=vec3.create();vec2.cross(svCross,s,v);if(svCross[2]===0){return false}var t=(p[0]*v[1]-p[1]*v[0]-p1[0]*v[1]+p1[1]*v[0])/svCross[2];var u;if(v[0]!==0){u=(p1[0]+t*s[0]-p[0])/v[0]}else{u=(p1[1]+t*s[1]-p[1])/v[1]}var ip=vec2.create();vec2.scaleAndAdd(ip,p1,s,t);var doesIntersect={x:false,y:false};if(u>=0){if(p1[0]>p2[0]){if(ip[0]<=p1[0]&&ip[0]>=p2[0]){doesIntersect.x=true}}else{if(ip[0]>=p1[0]&&ip[0]<=p2[0]){doesIntersect.x=true}}if(p1[1]>p2[1]){if(ip[1]<=p1[1]&&ip[1]>=p2[1]){doesIntersect.y=true}}else{if(ip[1]>=p1[1]&&ip[1]<=p2[1]){doesIntersect.y=true}}}return(doesIntersect.x&&doesIntersect.y)}})();(function(){Phoria.Preloader=function(){this.images=[];return this};Phoria.Preloader.prototype={images:null,callback:null,counter:0,addImage:function addImage(img,url){var me=this;img.url=url;img.onload=function(){me.counter++;if(me.counter===me.images.length){me.callback.call(me)}};this.images.push(img)},onLoadCallback:function onLoadCallback(fn){this.counter=0;this.callback=fn;for(var i=0,j=this.images.length;i<j;i++){this.images[i].src=this.images[i].url}}}})();(function(){Phoria.Scene=function(){this.camera={up:{x:0,y:1,z:0},lookat:{x:0,y:0,z:0},position:{x:0,y:0,z:-10}};this.perspective={fov:35,aspect:1,near:1,far:10000};this.viewport={x:0,y:0,width:1024,height:1024};this.graph=[];this.triggerHandlers=[];return this};Phoria.Scene.create=function(desc){var s=new Phoria.Scene();if(desc.camera){s.camera=Phoria.Util.merge(s.camera,desc.camera)}if(desc.perspective){s.perspective=Phoria.Util.merge(s.perspective,desc.perspective)}if(desc.viewport){s.viewport=Phoria.Util.merge(s.viewport,desc.viewport)}if(desc.graph){s.graph=desc.graph}if(desc.onCamera){s.onCamera(desc.onCamera)}return s};Phoria.Scene.createFromJSON=function(json){var scene=null;var jscene=JSON.parse(json);if(jscene){if(jscene.graph){var fnProcessEntities=function(entities){for(var i=0,e;i<entities.length;i++){e=entities[i];for(var p in e){if(e.hasOwnProperty(p)){if(p.indexOf("on")===0&&(e[p] instanceof string||e[p] instanceof Array)){try{}catch(error){console.log("Failed to convert expected event handler to function: "+p+"="+e[p]);throw error}}if(p==="children"&&e[p] instanceof Array){fnProcessEntities(e[p])}}}}};fnProcessEntities(jscene.graph)}}return scene};Phoria.Scene.toJSON=function(scene){for(var p in scene){if(scene.hasOwnProperty(p)&&p.indexOf("_")===0){delete scene[p]}}if(scene.graph){var fnProcessEntities=function(entities){for(var i=0,e;i<entities.length;i++){e=entities[i];for(var p in e){if(e.hasOwnProperty(p)){if(p.indexOf("on")===0&&e[p] instanceof Array){e[p]=e[p].toString()}if(p.indexOf("_")===0){delete e[p]}switch(p){case"textures":delete e[p];break;case"children":if(e[p] instanceof Array){fnProcessEntities(e[p])}break}}}}};fnProcessEntities(scene.graph)}return JSON.stringify(scene)};Phoria.Scene.prototype={camera:null,perspective:null,graph:null,viewport:null,renderlist:null,lights:null,triggerHandlers:null,onCameraHandlers:null,_entities:null,_lastTime:0,_cameraPosition:null,_perspectiveScale:0,findEntity:function findEntity(id){return this._entities[id]},onCamera:function onCamera(fn){if(this.onCameraHandlers===null){this.onCameraHandlers=[]}this.onCameraHandlers=this.onCameraHandlers.concat(fn)},modelView:function modelView(){var now=Date.now(),time=(now-this._lastTime)/1000;this._lastTime=now;var vpx=this.viewport.x,vpy=this.viewport.y,vpw=this.viewport.width*0.5,vph=this.viewport.height*0.5;this._cameraPosition=vec4.fromValues(this.camera.position.x,this.camera.position.y,this.camera.position.z,0);var camera=mat4.create(),cameraLookat=vec4.fromValues(this.camera.lookat.x,this.camera.lookat.y,this.camera.lookat.z,0),cameraUp=vec4.fromValues(this.camera.up.x,this.camera.up.y,this.camera.up.z,0);if(this.onCameraHandlers!==null){for(var h=0;h<this.onCameraHandlers.length;h++){this.onCameraHandlers[h].call(this,this._cameraPosition,cameraLookat,cameraUp)}}mat4.lookAt(camera,this._cameraPosition,cameraLookat,cameraUp);var perspective=mat4.create();mat4.perspective(perspective,-this.perspective.fov*Phoria.RADIANS,this.perspective.aspect,this.perspective.near,this.perspective.far);this._perspectiveScale=(256-this.perspective.fov)/16;var renderlist=[],lights=[],entityById={};var fnProcessEntities=function processEntities(entities,matParent){for(var n=0,obj,len,isIdentity;n<entities.length;n++){obj=entities[n];if(obj.disabled){continue}if(obj.id){entityById[obj.id]=obj}if(obj.onBeforeSceneHandlers!==null){for(var h=0;h<obj.onBeforeSceneHandlers.length;h++){obj.onBeforeSceneHandlers[h].call(obj,this,time)}}var matLocal=obj.matrix;if(matParent){matLocal=matLocal?mat4.multiply(mat4.create(),matLocal,matParent):matParent}if(obj.onSceneHandlers!==null){for(var h=0;h<obj.onSceneHandlers.length;h++){obj.onSceneHandlers[h].call(obj,this,matLocal,time)}}if(obj instanceof Phoria.BaseLight){lights.push(obj)}else{if(obj instanceof Phoria.Entity){len=obj.points.length;obj.initCoordinateBuffers();var objClip=0,clipOffset=0;if(obj.style.drawmode==="point"){if(obj.style.linescale===0){clipOffset=obj.style.linewidth*0.5}else{clipOffset=(obj.style.linewidth*obj.style.linescale)/this._perspectiveScale*0.5}}for(var v=0,verts,vec,w,avz=0;v<len;v++){verts=obj.points[v];vec=vec4.set(obj._worldcoords[v],verts.x,verts.y,verts.z,1);if(matLocal){vec4.transformMat4(obj._worldcoords[v],vec,matLocal)}vec4.transformMat4(obj._cameracoords[v],obj._worldcoords[v],camera);vec4.transformMat4(obj._coords[v],obj._cameracoords[v],perspective);vec=obj._coords[v];w=vec[3];if(w===0){w=Phoria.EPSILON}objClip+=(obj._clip[v]=(vec[0]>w+clipOffset||vec[0]<-w-clipOffset||vec[1]>w+clipOffset||vec[1]<-w-clipOffset||vec[2]>w||vec[2]<-w)?1:0);vec[0]/=w;vec[1]/=w;vec[0]=vpw*vec[0]+vpx+vpw;vec[1]=vph*vec[1]+vpy+vph;avz+=vec[2]}obj._averagez=len>1?avz/len:avz;if(objClip!==len){switch(obj.style.geometrysortmode){default:case"automatic":case"sorted":if(obj.style.geometrysortmode==="sorted"||obj.style.drawmode==="solid"||obj.style.shademode==="lightsource"){switch(obj.style.drawmode){case"solid":Phoria.Util.sortPolygons(obj.polygons,obj._cameracoords);break;case"wireframe":Phoria.Util.sortEdges(obj.edges,obj._cameracoords);break;case"point":Phoria.Util.sortPoints(obj._coords,obj._worldcoords);break}}break}if(obj.style.drawmode==="solid"&&obj.polygons.length!==0){var matNormals=mat4.invert(mat4.create(),matLocal?matLocal:mat4.create());mat4.transpose(matNormals,matNormals);switch(obj.style.shademode){case"lightsource":for(var i=0,normal,wnormal;i<obj.polygons.length;i++){if(!obj.polygons[i]._worldnormal){obj.polygons[i]._worldnormal=vec4.create()}normal=obj.polygons[i].normal;wnormal=obj.polygons[i]._worldnormal;vec3.transformMat4(wnormal,normal,matNormals);vec3.normalize(wnormal,wnormal)}break}}renderlist.push(obj)}}}if(obj.children&&obj.children.length!==0){fnProcessEntities.call(this,obj.children,matLocal)}}};fnProcessEntities.call(this,this.graph,null);this.renderlist=renderlist;this.lights=lights;this._entities=entityById;for(var t=0,len=this.triggerHandlers.length;t<len;t++){if(this.triggerHandlers[t].trigger.call(this,this._cameraPosition,cameraLookat,cameraUp)){this.triggerHandlers.splice(t,1);len--}}}}})();(function(){Phoria.BaseEntity=function(){this.matrix=mat4.create();this.children=[];return this};Phoria.BaseEntity.create=function create(desc,e){if(!e){e=new Phoria.BaseEntity()}if(desc.id){e.id=desc.id}if(desc.matrix){e.matrix=desc.matrix}if(desc.children){e.children=desc.children}if(desc.onBeforeScene){e.onBeforeScene(desc.onBeforeScene)}if(desc.onScene){e.onScene(desc.onScene)}if(desc.disabled!==undefined){e.disabled=desc.disabled}return e};Phoria.BaseEntity.prototype={id:null,children:null,matrix:null,disabled:false,onBeforeSceneHandlers:null,onSceneHandlers:null,onBeforeScene:function onBeforeScene(fn){if(this.onBeforeSceneHandlers===null){this.onBeforeSceneHandlers=[]}this.onBeforeSceneHandlers=this.onBeforeSceneHandlers.concat(fn)},onScene:function onScene(fn){if(this.onSceneHandlers===null){this.onSceneHandlers=[]}this.onSceneHandlers=this.onSceneHandlers.concat(fn)},identity:function identity(){mat4.identity(this.matrix);return this},invert:function invert(){mat4.invert(this.matrix,this.matrix);return this},multiply:function multiply(m){mat4.multiply(this.matrix,this.matrix,m);return this},scale:function scale(vec){mat4.scale(this.matrix,this.matrix,vec);return this},scaleN:function scale(n){mat4.scale(this.matrix,this.matrix,vec3.fromValues(n,n,n));return this},rotate:function rotate(rad,axis){mat4.rotate(this.matrix,this.matrix,rad,axis);return this},rotateX:function rotateX(rad){mat4.rotateX(this.matrix,this.matrix,rad);return this},rotateY:function rotateY(rad){mat4.rotateY(this.matrix,this.matrix,rad);return this},rotateZ:function rotateZ(rad){mat4.rotateZ(this.matrix,this.matrix,rad);return this},rotateYPR:function rotateYPR(yaw,pitch,roll){var m=mat4.fromYPR(yaw,pitch,roll);mat4.multiply(this.matrix,this.matrix,m)},translate:function translate(vec){mat4.translate(this.matrix,this.matrix,vec);return this},translateX:function translateX(n){mat4.translate(this.matrix,this.matrix,vec3.fromValues(n,0,0));return this},translateY:function translateY(n){mat4.translate(this.matrix,this.matrix,vec3.fromValues(0,n,0));return this},translateZ:function translateZ(n){mat4.translate(this.matrix,this.matrix,vec3.fromValues(0,0,n));return this},determinant:function determinant(){return mat4.determinant(this.matrix)},transpose:function transpose(){mat4.transpose(this.matrix,this.matrix);return this}}})();Phoria.CLIP_ARRAY_TYPE=(typeof Uint32Array!=="undefined")?Uint32Array:Array;(function(){Phoria.Entity=function(){Phoria.Entity.superclass.constructor.call(this);this.points=[];this.edges=[];this.polygons=[];this.textures=[];this.style=Phoria.Entity.createStyle();return this};Phoria.Entity.create=function create(desc,e){if(!e){e=new Phoria.Entity()}Phoria.BaseEntity.create(desc,e);if(desc.points){e.points=desc.points}if(desc.polygons){e.polygons=desc.polygons}if(desc.edges){e.edges=desc.edges}if(desc.style){Phoria.Util.combine(e.style,desc.style)}if(desc.onRender){e.onRender(desc.onRender)}e.generatePolygonNormals();return e};Phoria.Entity.createStyle=function createStyle(s){var style={color:[128,128,128],diffuse:1,specular:0,drawmode:"solid",shademode:"lightsource",fillmode:"inflate",objectsortmode:"sorted",geometrysortmode:"automatic",linewidth:1,linescale:0,opacity:1,doublesided:false};if(s){Phoria.Util.combine(style,s)}return style};Phoria.Util.extend(Phoria.Entity,Phoria.BaseEntity,{points:null,edges:null,polygons:null,style:null,textures:null,onRenderHandlers:null,_worldcoords:null,_cameracoords:null,_coords:null,_clip:null,_averagez:0,_sorted:true,onRender:function onRender(fn){if(this.onRenderHandlers===null){this.onRenderHandlers=[]}this.onRenderHandlers=this.onRenderHandlers.concat(fn)},generatePolygonNormals:function generatePolygonNormals(){if(this.polygons){var points=this.points,polygons=this.polygons;for(var i=0,vertices,x1,y1,z1,x2,y2,z2;i<polygons.length;i++){vertices=polygons[i].vertices;x1=points[vertices[1]].x-points[vertices[0]].x;y1=points[vertices[1]].y-points[vertices[0]].y;z1=points[vertices[1]].z-points[vertices[0]].z;x2=points[vertices[2]].x-points[vertices[0]].x;y2=points[vertices[2]].y-points[vertices[0]].y;z2=points[vertices[2]].z-points[vertices[0]].z;polygons[i].normal=Phoria.Util.calcNormalVector(x1,y1,z1,x2,y2,z2)}}},initCoordinateBuffers:function initCoordinateBuffers(){var len=this.points.length;if(this._worldcoords===null||this._worldcoords.length<len){this._worldcoords=new Array(len);for(var i=0;i<len;i++){this._worldcoords[i]=vec4.create()}}if(this._cameracoords===null||this._cameracoords.length<len){this._cameracoords=new Array(len);for(var i=0;i<len;i++){this._cameracoords[i]=vec4.create()}}if(this._coords===null||this._coords.length<len){this._coords=new Array(len);for(var i=0;i<len;i++){this._coords[i]=vec4.create()}}if(this._clip===null||this._clip.length<len){this._clip=new Phoria.CLIP_ARRAY_TYPE(len)}},getScreenBounds:function getScreenBounds(){var minx=10000,miny=10000,maxx=-10000,maxy=-10000;for(var i=0,p;i<this._coords.length;i++){p=this._coords[i];if(p[0]<minx){minx=p[0]}if(p[0]>maxx){maxx=p[0]}if(p[1]<miny){miny=p[1]}if(p[1]>maxy){maxy=p[1]}}return{minx:minx,miny:miny,maxx:maxx,maxy:maxy}},getWorldBounds:function getWorldBounds(){var minx=10000,miny=10000,minz=10000,maxx=-10000,maxy=-10000,maxz=-10000;for(var i=0,p;i<this._worldcoords.length;i++){p=this._worldcoords[i];if(p[0]<minx){minx=p[0]}if(p[0]>maxx){maxx=p[0]}if(p[1]<miny){miny=p[1]}if(p[1]>maxy){maxy=p[1]}if(p[2]<minz){minz=p[2]}if(p[2]>maxz){maxz=p[2]}}return{minx:minx,miny:miny,maxx:maxx,maxy:maxy,minz:minz,maxz:maxz}}});Phoria.Entity.debug=function debug(entity,config){var id="Phoria.Debug"+(entity.id?(" "+entity.id):"");var debugEntity=null;for(var i=0;i<entity.children.length;i++){if(entity.children[i].id===id){debugEntity=entity.children[i];break}}if(debugEntity===null){debugEntity=new Phoria.Entity();debugEntity.id=id;debugEntity.points=[{x:0,y:0,z:0}];debugEntity.style={drawmode:"point",shademode:"callback",geometrysortmode:"none",objectsortmode:"front"};debugEntity.config={};debugEntity.onRender(function(ctx,x,y){ctx.fillStyle="#333";ctx.font="14pt Helvetica";var textPos=y;if(this.config.showId){ctx.fillText(entity.id?entity.id:"unknown - set Entity 'id' property",x,textPos);textPos+=16}if(this.config.showPosition){var p=entity.worldposition?entity.worldposition:debugEntity._worldcoords[0];ctx.fillText("{x:"+p[0].toFixed(2)+", y:"+p[1].toFixed(2)+", z:"+p[2].toFixed(2)+"}",x,textPos)}});entity.children.push(debugEntity);var fnCreateAxis=function(letter,vector,color){var axisEntity=new Phoria.Entity();axisEntity.points=[{x:0,y:0,z:0},{x:2*vector[0],y:2*vector[1],z:2*vector[2]}];axisEntity.edges=[{a:0,b:1}];axisEntity.style={drawmode:"wireframe",shademode:"plain",geometrysortmode:"none",objectsortmode:"front",linewidth:2,color:color};axisEntity.disabled=true;return axisEntity};debugEntity.children.push(fnCreateAxis("X",vec3.fromValues(1,0,0),[255,0,0]));debugEntity.children.push(fnCreateAxis("Y",vec3.fromValues(0,1,0),[0,255,0]));debugEntity.children.push(fnCreateAxis("Z",vec3.fromValues(0,0,1),[0,0,255]))}Phoria.Util.combine(debugEntity.config,config);for(var i=0;i<debugEntity.children.length;i++){debugEntity.children[i].disabled=!debugEntity.config.showAxis}}})();(function(){Phoria.PositionalAspect={};Phoria.PositionalAspect.prototype={position:null,worldposition:null,updatePosition:function updatePosition(matLocal){var vec=vec4.fromXYZ(this.position,1);vec4.transformMat4(vec,vec,matLocal);this.worldposition=vec}}})();(function(){Phoria.PhysicsEntity=function(){Phoria.PhysicsEntity.superclass.constructor.call(this);this.velocity={x:0,y:0,z:0};this.position={x:0,y:0,z:0};this._force={x:0,y:0,z:0};this._acceleration=null;this.gravity=true;this.onBeforeScene(this.applyPhysics);this.onScene(this.transformToScene);return this};Phoria.PhysicsEntity.create=function create(desc){var e=new Phoria.PhysicsEntity();Phoria.Entity.create(desc,e);if(desc.velocity){e.velocity=desc.velocity}if(desc.position){e.position=desc.position}if(desc.force){e._force=desc.force}if(desc.gravity!==undefined){e.gravity=desc.gravity}return e};Phoria.Util.extend(Phoria.PhysicsEntity,Phoria.Entity,{velocity:null,gravity:false,_force:null,_acceleration:null,impulse:function impulse(f){this._acceleration=f},force:function force(f){this._force=f},applyPhysics:function applyPhysics(scene){var time=1000/60/1000;var tt=time*time;if(this._acceleration){this.velocity.x+=(this._acceleration.x*tt);this.velocity.y+=(this._acceleration.y*tt);this.velocity.z+=(this._acceleration.z*tt);this._acceleration=null}if(this._force){this.velocity.x+=(this._force.x*tt);this.velocity.y+=(this._force.y*tt);this.velocity.z+=(this._force.z*tt)}if(this.gravity){this.velocity.x+=(Phoria.PhysicsEntity.GRAVITY.x*tt);this.velocity.y+=(Phoria.PhysicsEntity.GRAVITY.y*tt);this.velocity.z+=(Phoria.PhysicsEntity.GRAVITY.z*tt)}this.translate(vec3.fromXYZ(this.velocity))},transformToScene:function transformToScene(scene,matLocal){this.updatePosition(matLocal)}});Phoria.Util.augment(Phoria.PhysicsEntity,Phoria.PositionalAspect)})();Phoria.PhysicsEntity.GRAVITY={x:0,y:-9.8,z:0};(function(){Phoria.EmitterEntity=function(){Phoria.EmitterEntity.superclass.constructor.call(this);this.position={x:0,y:0,z:0};this.positionRnd={x:0,y:0,z:0};this.velocity={x:0,y:1,z:0};this.velocityRnd={x:0,y:0,z:0};this.maximum=1000;this.gravity=true;var style=Phoria.Entity.createStyle();style.drawmode="point";style.shademode="plain";style.geometrysortmode="none";style.linewidth=5;style.linescale=2;this.style=style;this.textures=[];this._lastEmitTime=Date.now();this.onScene(this.emitParticles);return this};Phoria.EmitterEntity.create=function create(desc){var e=new Phoria.EmitterEntity();Phoria.BaseEntity.create(desc,e);if(desc.position){e.position=desc.position}if(desc.positionRnd){e.positionRnd=desc.positionRnd}if(desc.rate){e.rate=desc.rate}if(desc.maximum){e.maximum=desc.maximum}if(desc.velocity){e.velocity=desc.velocity}if(desc.velocityRnd){e.velocityRnd=desc.velocityRnd}if(desc.lifetime){e.lifetime=desc.lifetime}if(desc.lifetimeRnd){e.lifetimeRnd=desc.lifetimeRnd}if(desc.gravity!==undefined){e.gravity=desc.gravity}if(desc.style){Phoria.Util.combine(e.style,desc.style)}if(desc.onParticle){e.onParticle(desc.onParticle)}return e};Phoria.Util.extend(Phoria.EmitterEntity,Phoria.BaseEntity,{style:null,rate:0,maximum:0,velocity:null,velocityRnd:null,lifetime:0,lifetimeRnd:0,gravity:false,_lastEmitTime:0,onParticleHandlers:null,onParticle:function onParticle(fn){if(this.onParticleHandlers===null){this.onParticleHandlers=[]}this.onParticleHandlers=this.onParticleHandlers.concat(fn)},emitParticles:function emitParticles(scene,matLocal,time){this.updatePosition(matLocal);var now=Date.now();for(var i=0,p;i<this.children.length;i++){p=this.children[i];if(p._gravetime&&now>p._gravetime){this.children.splice(i,1)}}var since=now-this._lastEmitTime;var count=Math.floor((this.rate/1000)*since);if(count>0){for(var c=0;c<count&&(this.maximum===0||this.children.length<this.maximum);c++){var pos={x:this.position.x,y:this.position.y,z:this.position.z};pos.x+=(Math.random()*this.positionRnd.x)-(this.positionRnd.x*0.5);pos.y+=(Math.random()*this.positionRnd.y)-(this.positionRnd.y*0.5);pos.z+=(Math.random()*this.positionRnd.z)-(this.positionRnd.z*0.5);var vel={x:this.velocity.x,y:this.velocity.y,z:this.velocity.z};vel.x+=(Math.random()*this.velocityRnd.x)-(this.velocityRnd.x*0.5);vel.y+=(Math.random()*this.velocityRnd.y)-(this.velocityRnd.y*0.5);vel.z+=(Math.random()*this.velocityRnd.z)-(this.velocityRnd.z*0.5);var particle=new Phoria.PhysicsEntity();particle.position=pos;particle.points=[pos];particle.velocity=vel;particle.gravity=this.gravity;particle.style=this.style;particle.textures=this.textures;if(this.lifetime!==0){particle._gravetime=Math.floor(now+this.lifetime+(this.lifetimeRnd*Math.random())-this.lifetimeRnd*0.5)}if(this.onParticleHandlers!==null){for(var h=0;h<this.onParticleHandlers.length;h++){this.onParticleHandlers[h].call(this,particle)}}this.children.push(particle)}this._lastEmitTime=now}}});Phoria.Util.augment(Phoria.EmitterEntity,Phoria.PositionalAspect)})();(function(){Phoria.BaseLight=function(){Phoria.BaseLight.superclass.constructor.call(this);this.color=[1,1,1];this.intensity=1;return this};Phoria.Util.extend(Phoria.BaseLight,Phoria.BaseEntity,{color:null,intensity:0})})();(function(){Phoria.DistantLight=function(){Phoria.DistantLight.superclass.constructor.call(this);this.direction={x:0,y:0,z:1};this.onScene(this.transformToScene);return this};Phoria.DistantLight.create=function create(desc){var e=new Phoria.DistantLight();Phoria.BaseEntity.create(desc,e);if(desc.color){e.color=desc.color}if(desc.intensity){e.intensity=desc.intensity}if(desc.direction){e.direction=vec3.toXYZ(vec3.normalize(e.direction,vec3.fromXYZ(desc.direction)))}return e};Phoria.Util.extend(Phoria.DistantLight,Phoria.BaseLight,{direction:null,worlddirection:null,transformToScene:function transformToScene(){this.worlddirection=vec3.fromValues(-this.direction.x,-this.direction.y,-this.direction.z)}})})();(function(){Phoria.PointLight=function(){Phoria.PointLight.superclass.constructor.call(this);this.position={x:0,y:0,z:-1};this.attenuation=0.1;this.attenuationFactor="linear";this.onScene(this.transformToScene);return this};Phoria.PointLight.create=function create(desc){var e=new Phoria.PointLight();Phoria.BaseEntity.create(desc,e);if(desc.color){e.color=desc.color}if(desc.intensity){e.intensity=desc.intensity}if(desc.position){e.position=desc.position}if(desc.attenuation){e.attenuation=desc.attenuation}if(desc.attenuationFactor){e.attenuationFactor=desc.attenuationFactor}return e};Phoria.Util.extend(Phoria.PointLight,Phoria.BaseLight,{attenuation:0,attenuationFactor:null,transformToScene:function transformToScene(scene,matLocal,time){this.updatePosition(matLocal)}});Phoria.Util.augment(Phoria.PointLight,Phoria.PositionalAspect)})();(function(){Phoria.Renderer=function(){};Phoria.Renderer.prototype={sort:true,sortObjects:function sortObjects(scene){if(this.sort){for(var n=0,obj;n<scene.renderlist.length;n++){obj=scene.renderlist[n];switch(obj.style.objectsortmode){case"sorted":break;case"front":obj._averagez=Number.MIN_VALUE;break;case"back":default:obj._averagez=Number.MAX_VALUE;break}}scene.renderlist.sort(function sortObjectsZ(a,b){return(a._averagez<b._averagez?1:-1)})}},calcNormalBrightness:function calcNormalBrightness(position,normal,scene,obj){var rgb=[0,0,0],lights=scene.lights;for(var e=0,light,brightness;e<lights.length;e++){light=lights[e];if(light instanceof Phoria.DistantLight){var dotVP=vec3.dot(normal,light.worlddirection);if(dotVP<=0){continue}brightness=dotVP*light.intensity*obj.style.diffuse}else{if(light instanceof Phoria.PointLight){var vecToLight=vec3.subtract(vec3.create(),position,light.worldposition),distance=vec3.length(vecToLight),attenuation;vec3.normalize(vecToLight,vecToLight);var dotVP=vec3.dot(normal,vec3.negate(vecToLight,vecToLight));if(dotVP<=0){continue}switch(light.attenuationFactor){default:case"none":attenuation=light.attenuation;break;case"linear":attenuation=light.attenuation*distance;break;case"squared":attenuation=light.attenuation*distance*distance;break}if(obj.style.specular!==0){var halfV=vec3.add(vec3.create(),vecToLight,scene._cameraPosition),dotHV=vec3.dot(normal,vec3.normalize(halfV,halfV)),pf=Math.pow(dotHV,obj.style.specular)*light.intensity/attenuation;rgb[0]+=pf*light.color[0];rgb[1]+=pf*light.color[1];rgb[2]+=pf*light.color[2]}brightness=obj.style.diffuse*dotVP*light.intensity/attenuation}}rgb[0]+=brightness*light.color[0];rgb[1]+=brightness*light.color[1];rgb[2]+=brightness*light.color[2]}return rgb},calcPositionBrightness:function calcPositionBrightness(position,lights){var rgb=[0,0,0];for(var e=0,light,brightness;e<lights.length;e++){light=lights[e];if(light instanceof Phoria.DistantLight){brightness=light.intensity}else{if(light instanceof Phoria.PointLight){var vecToLight=vec3.subtract(vec3.create(),position,light.worldposition),distance=vec3.length(vecToLight),attenuation;vec3.normalize(vecToLight,vecToLight);switch(light.attenuationFactor){case"linear":attenuation=light.attenuation*distance;break;case"squared":attenuation=light.attenuation*distance*distance;break;default:case"none":attenuation=light.attenuation;break}brightness=light.intensity/(attenuation*2)}}rgb[0]+=brightness*light.color[0];rgb[1]+=brightness*light.color[1];rgb[2]+=brightness*light.color[2]}return rgb},inflatePolygon:function inflatePolygon(vertices,coords,pixels){pixels=pixels||0.5;var inflatedVertices=new Array(vertices.length);for(var i=0;i<vertices.length;i++){inflatedVertices[i]=[coords[vertices[i]][0],coords[vertices[i]][1]]}for(var i=0,j=vertices.length,k,x1,y1,x2,y2,dx,dy,len;i<j;i++){k=(i<j-1)?(i+1):0;x1=inflatedVertices[i][0];y1=inflatedVertices[i][1];x2=inflatedVertices[k][0];y2=inflatedVertices[k][1];var x=x2-x1,y=y2-y1,det=x*x+y*y,idet;if(det===0){det===Phoria.EPSILON}idet=pixels/Math.sqrt(det);x*=idet;y*=idet;inflatedVertices[i][0]-=x;inflatedVertices[i][1]-=y;inflatedVertices[k][0]+=x;inflatedVertices[k][1]+=y}return inflatedVertices},inflatePolygonFull:function inflatePolygonFull(vertices,coords,pixels){pixels=pixels||0.5;var pedges=[],inflatedVertices=new Array(vertices.length);for(var i=0,j=vertices.length,x1,y1,x2,y2,dx,dy,len;i<j;i++){x1=coords[vertices[i]][0];y1=coords[vertices[i]][1];if(i<j-1){x2=coords[vertices[i+1]][0];y2=coords[vertices[i+1]][1]}else{x2=coords[vertices[0]][0];y2=coords[vertices[0]][1]}dx=y2-y1;dy=-(x2-x1);len=Math.sqrt(dx*dx+dy*dy);dx/=len;dy/=len;dx*=pixels;dy*=pixels;pedges.push({x:x1+dx,y:y1+dy});pedges.push({x:x2+dx,y:y2+dy})}for(var i=0,j=vertices.length,vec;i<j;i++){if(i===0){vec=this.intersection(pedges[(j-1)*2],pedges[(j-1)*2+1],pedges[0],pedges[1])}else{vec=this.intersection(pedges[(i-1)*2],pedges[(i-1)*2+1],pedges[i*2],pedges[i*2+1])}if(Math.abs(vec[0]-coords[vertices[i]][0])>1.5||Math.abs(vec[1]-coords[vertices[i]][1])>1.5){vec[0]=coords[vertices[i]][0];vec[1]=coords[vertices[i]][1]}inflatedVertices[i]=vec}return inflatedVertices},intersection:function intersection(line0v0,line0v1,line1v0,line1v1){var a1=line0v1.x-line0v0.x,b1=line1v0.x-line1v1.x,c1=line1v0.x-line0v0.x,a2=line0v1.y-line0v0.y,b2=line1v0.y-line1v1.y,c2=line1v0.y-line0v0.y,t=(b1*c2-b2*c1)/(a2*b1-a1*b2);return[line0v0.x+t*(line0v1.x-line0v0.x),line0v0.y+t*(line0v1.y-line0v0.y)]}}})();(function(){Phoria.CanvasRenderer=function(canvas){Phoria.CanvasRenderer.superclass.constructor.call(this);this.canvas=canvas;this.ctx=canvas.getContext("2d");return this};Phoria.Util.extend(Phoria.CanvasRenderer,Phoria.Renderer,{canvas:null,ctx:null,render:function render(scene,fnClear){this.sortObjects(scene);var ctx=this.ctx;if(!fnClear){ctx.clearRect(0,0,this.canvas.width,this.canvas.height)}else{fnClear.call(this,ctx)}for(var n=0,obj;n<scene.renderlist.length;n++){obj=scene.renderlist[n];ctx.save();if(obj.style.compositeOperation){ctx.globalCompositeOperation=obj.style.compositeOperation}switch(obj.style.drawmode){case"solid":if(obj.style.fillmode==="fillstroke"||obj.style.fillmode==="hiddenline"){ctx.lineWidth=1}for(var i=0;i<obj.polygons.length;i++){this.renderPolygon(ctx,obj,scene,obj.polygons[i])}break;case"wireframe":ctx.lineWidth=obj.style.linewidth;ctx.globalAlpha=obj.style.opacity;if(obj.style.shademode==="plain"){ctx.strokeStyle="rgb("+obj.style.color[0]+","+obj.style.color[1]+","+obj.style.color[2]+")";ctx.beginPath();for(var i=0;i<obj.edges.length;i++){this.renderEdge(ctx,obj,scene,obj.edges[i])}ctx.closePath();ctx.stroke()}else{for(var i=0;i<obj.edges.length;i++){this.renderEdge(ctx,obj,scene,obj.edges[i])}}break;case"point":if(obj.style.shademode==="sprite"&&obj.style.sprite!==undefined){if(!obj.textures){throw new Error("Entity has shademode 'sprite' but no textures defined on parent emitter.")}if(obj.style.sprite>obj.textures.length-1){throw new Error("Entity has shademode 'sprite' index but references missing texture on parent emitter.")}}ctx.globalAlpha=obj.style.opacity;var coords=obj._coords;if(obj.style.shademode==="plain"){ctx.fillStyle="rgb("+obj.style.color[0]+","+obj.style.color[1]+","+obj.style.color[2]+")"}for(var i=0;i<coords.length;i++){this.renderPoint(ctx,obj,scene,coords[i],i)}}ctx.restore()}},renderPoint:function renderPoint(ctx,obj,scene,coord,index){if(obj._clip[index]){return}var w=obj.style.linewidth;if(obj.style.linescale!==0){w=(obj.style.linewidth*obj.style.linescale*scene._perspectiveScale)/obj._coords[index][3]}switch(obj.style.shademode){case"plain":ctx.beginPath();ctx.arc(coord[0],coord[1],w,0,Phoria.TWOPI,true);ctx.closePath();ctx.fill();break;case"sprite":if(obj.style.sprite!==undefined){ctx.drawImage(obj.textures[obj.style.sprite],coord[0]-w,coord[1]-w,w+w,w+w)}break;case"callback":if(obj.onRenderHandlers!==null){for(var h=0;h<obj.onRenderHandlers.length;h++){obj.onRenderHandlers[h].call(obj,ctx,coord[0],coord[1],w)}}break;case"lightsource":var rgb=this.calcPositionBrightness(obj._worldcoords[index],scene.lights);ctx.fillStyle="rgb("+Math.min(Math.ceil(rgb[0]*obj.style.color[0]),255)+","+Math.min(Math.ceil(rgb[1]*obj.style.color[1]),255)+","+Math.min(Math.ceil(rgb[2]*obj.style.color[2]),255)+")";ctx.beginPath();ctx.arc(coord[0],coord[1],w,0,Phoria.TWOPI,true);ctx.closePath();ctx.fill();break}},renderEdge:function renderEdge(ctx,obj,scene,edge){if(obj._clip[edge.a]&obj._clip[edge.b]){return}var coords=obj._coords;if(obj.style.linescale!==0){ctx.lineWidth=((obj.style.linewidth*obj.style.linescale)/((obj._coords[edge.a][3]+obj._coords[edge.b][3])*0.5))*scene._perspectiveScale}if(obj.style.shademode==="lightsource"){var edgea=obj._worldcoords[edge.a],edgeb=obj._worldcoords[edge.b],position=vec3.fromValues((edgea[0]+edgeb[0])*0.5,(edgea[1]+edgeb[1])*0.5,(edgea[2]+edgeb[2])*0.5);var rgb=this.calcPositionBrightness(position,scene.lights);ctx.beginPath();ctx.strokeStyle="rgb("+Math.min(Math.ceil(rgb[0]*obj.style.color[0]),255)+","+Math.min(Math.ceil(rgb[1]*obj.style.color[1]),255)+","+Math.min(Math.ceil(rgb[2]*obj.style.color[2]),255)+")";ctx.moveTo(coords[edge.a][0],coords[edge.a][1]);ctx.lineTo(coords[edge.b][0],coords[edge.b][1]);ctx.closePath();ctx.stroke()}else{ctx.moveTo(coords[edge.a][0],coords[edge.a][1]);ctx.lineTo(coords[edge.b][0],coords[edge.b][1])}},renderPolygon:function renderPolygon(ctx,obj,scene,poly){var coords=obj._coords,clip=obj._clip,vertices=poly.vertices,color=poly.color?poly.color:obj.style.color,fillStyle=null,rgb,emit=0,opacity=(poly.opacity?poly.opacity:obj.style.opacity);var clippoly=1;for(var i=0;i<vertices.length;i++){clippoly&=clip[vertices[i]]}if(clippoly){return}if(!obj.style.doublesided&&((coords[vertices[0]][0]*coords[vertices[1]][1]-coords[vertices[1]][0]*coords[vertices[0]][1])+(coords[vertices[1]][0]*coords[vertices[2]][1]-coords[vertices[2]][0]*coords[vertices[1]][1])+(coords[vertices[2]][0]*coords[vertices[0]][1]-coords[vertices[0]][0]*coords[vertices[2]][1])<0)){return}switch(obj.style.shademode){case"plain":if(obj.style.texture===undefined&&poly.texture===undefined){fillStyle=color[0]+","+color[1]+","+color[2]}break;case"lightsource":rgb=this.calcNormalBrightness(Phoria.Util.averagePolyVertex(vertices,obj._worldcoords),poly._worldnormal,scene,obj);if(poly.emit||obj.style.emit){emit=poly.emit?poly.emit:obj.style.emit}fillStyle=Math.min(Math.ceil(rgb[0]*color[0]+color[0]*emit),255)+","+Math.min(Math.ceil(rgb[1]*color[1]+color[1]*emit),255)+","+Math.min(Math.ceil(rgb[2]*color[2]+color[1]*emit),255);break}ctx.save();if(obj.style.texture!==undefined||poly.texture!==undefined){var bitmap=obj.textures[poly.texture!==undefined?poly.texture:obj.style.texture],tx0,ty0,tx1,ty1,tx2,ty2;var fRenderTriangle=function(vs,sx0,sy0,sx1,sy1,sx2,sy2){var x0=vs[0][0],y0=vs[0][1],x1=vs[1][0],y1=vs[1][1],x2=vs[2][0],y2=vs[2][1];ctx.beginPath();ctx.moveTo(x0,y0);ctx.lineTo(x1,y1);ctx.lineTo(x2,y2);ctx.closePath();ctx.clip();var denom=denom=1/(sx0*(sy2-sy1)-sx1*sy2+sx2*sy1+(sx1-sx2)*sy0);var m11=-(sy0*(x2-x1)-sy1*x2+sy2*x1+(sy1-sy2)*x0)*denom,m12=(sy1*y2+sy0*(y1-y2)-sy2*y1+(sy2-sy1)*y0)*denom,m21=(sx0*(x2-x1)-sx1*x2+sx2*x1+(sx1-sx2)*x0)*denom,m22=-(sx1*y2+sx0*(y1-y2)-sx2*y1+(sx2-sx1)*y0)*denom,dx=(sx0*(sy2*x1-sy1*x2)+sy0*(sx1*x2-sx2*x1)+(sx2*sy1-sx1*sy2)*x0)*denom,dy=(sx0*(sy2*y1-sy1*y2)+sy0*(sx1*y2-sx2*y1)+(sx2*sy1-sx1*sy2)*y0)*denom;ctx.transform(m11,m12,m21,m22,dx,dy);ctx.globalAlpha=opacity;ctx.drawImage(bitmap,0,0)};if(fillStyle!==null){var alpha=rgb[0]*0.3+rgb[1]*0.6+rgb[2]*0.1;if(alpha>1){alpha=1}ctx.fillStyle="rgba("+fillStyle+","+(1-alpha).toFixed(3)+")"}if(vertices.length===3){tx0=0,ty0=0,tx1=bitmap.width,ty1=0,tx2=bitmap.width,ty2=bitmap.height;if(poly.uvs!==undefined){tx0=bitmap.width*poly.uvs[0];ty0=bitmap.height*poly.uvs[1];tx1=bitmap.width*poly.uvs[2];ty1=bitmap.height*poly.uvs[3];tx2=bitmap.width*poly.uvs[4];ty2=bitmap.height*poly.uvs[5]}var inflatedVertices=this.inflatePolygon(vertices,coords,0.5);fRenderTriangle.call(this,inflatedVertices,tx0,ty0,tx1,ty1,tx2,ty2);if(fillStyle!==null){ctx.fill()}}else{if(vertices.length===4){tx0=0,ty0=0,tx1=bitmap.width,ty1=0,tx2=bitmap.width,ty2=bitmap.height;if(poly.uvs!==undefined){tx0=bitmap.width*poly.uvs[0];ty0=bitmap.height*poly.uvs[1];tx1=bitmap.width*poly.uvs[2];ty1=bitmap.height*poly.uvs[3];tx2=bitmap.width*poly.uvs[4];ty2=bitmap.height*poly.uvs[5]}ctx.save();var inflatedVertices=this.inflatePolygon(vertices.slice(0,3),coords,0.5);fRenderTriangle.call(this,inflatedVertices,tx0,ty0,tx1,ty1,tx2,ty2);ctx.restore();tx0=bitmap.width,ty0=bitmap.height,tx1=0,ty1=bitmap.height,tx2=0,ty2=0;if(poly.uvs!==undefined){tx0=bitmap.width*poly.uvs[4];ty0=bitmap.height*poly.uvs[5];tx1=bitmap.width*poly.uvs[6];ty1=bitmap.height*poly.uvs[7];tx2=bitmap.width*poly.uvs[0];ty2=bitmap.height*poly.uvs[1]}ctx.save();var v=new Array(3);v[0]=vertices[2];v[1]=vertices[3];v[2]=vertices[0];inflatedVertices=this.inflatePolygon(v,coords,0.5);fRenderTriangle.call(this,inflatedVertices,tx0,ty0,tx1,ty1,tx2,ty2);ctx.restore();if(fillStyle!==null){inflatedVertices=this.inflatePolygon(vertices,coords,0.75);ctx.beginPath();ctx.moveTo(inflatedVertices[0][0],inflatedVertices[0][1]);for(var i=1,j=inflatedVertices.length;i<j;i++){ctx.lineTo(inflatedVertices[i][0],inflatedVertices[i][1])}ctx.closePath();ctx.globalAlpha=opacity;ctx.fill()}}}}else{if(obj.style.fillmode==="inflate"){var inflatedVertices=this.inflatePolygon(vertices,coords,0.5);ctx.beginPath();ctx.moveTo(inflatedVertices[0][0],inflatedVertices[0][1]);for(var i=1,j=vertices.length;i<j;i++){ctx.lineTo(inflatedVertices[i][0],inflatedVertices[i][1])}ctx.closePath()}else{ctx.beginPath();ctx.moveTo(coords[vertices[0]][0],coords[vertices[0]][1]);for(var i=1;i<vertices.length;i++){ctx.lineTo(coords[vertices[i]][0],coords[vertices[i]][1])}ctx.closePath()}fillStyle="rgba("+fillStyle+","+opacity+")";switch(obj.style.fillmode){case"fill":ctx.fillStyle=fillStyle;ctx.fill();break;case"filltwice":ctx.fillStyle=fillStyle;ctx.fill();ctx.fill();break;case"inflate":ctx.fillStyle=fillStyle;ctx.fill();break;case"fillstroke":ctx.fillStyle=fillStyle;ctx.fill();ctx.strokeStyle=fillStyle;ctx.stroke();break;case"hiddenline":ctx.strokeStyle=fillStyle;ctx.stroke();break}}ctx.restore()}})})();(function(){Phoria.SoftwareRenderer=function(canvas){Phoria.SoftwareRenderer.superclass.constructor.call(this);this.canvas=canvas;this.ctx=canvas.getContext("2d");this._imagedata=this.ctx.getImageData(0,0,this.canvas.width,this.canvas.height);this._data=this._imagedata.data;return this};Phoria.Util.extend(Phoria.SoftwareRenderer,Phoria.Renderer,{canvas:null,ctx:null,_imagedata:null,_data:null,render:function render(scene){this.sortObjects(scene);this.clearCanvasRect(0,0,this.canvas.width,this.canvas.height);for(var n=0,obj;n<scene.renderlist.length;n++){obj=scene.renderlist[n];switch(obj.style.drawmode){case"solid":var rendercount=0;for(var i=0;i<obj.polygons.length;i++){if(this.renderPolygon(null,obj,scene,obj.polygons[i])){rendercount++}}break}}this.ctx.putImageData(this._imagedata,0,0,0,0,this.canvas.width,this.canvas.height)},clearCanvasRect:function clearCanvasRect(xmin,ymin,xmax,ymax){var offset=(xmin+ymin*this.canvas.width-1)*4+3,linestep=(this.canvas.width-(xmax-xmin))*4,data=this._data;for(var y=ymin;y<ymax;y++){for(var x=xmin;x<xmax;x++){data[offset+=4]=0}offset+=linestep}},renderPolygon:function renderPolygon(ctx,obj,scene,poly){var coords=obj._coords,clip=obj._clip,vertices=poly.vertices,color=poly.color?poly.color:obj.style.color;var clippoly=1;for(var i=0;i<vertices.length;i++){clippoly&=clip[vertices[i]]}if(clippoly){return false}if(!obj.style.doublesided&&((coords[vertices[0]][0]*coords[vertices[1]][1]-coords[vertices[1]][0]*coords[vertices[0]][1])+(coords[vertices[1]][0]*coords[vertices[2]][1]-coords[vertices[2]][0]*coords[vertices[1]][1])+(coords[vertices[2]][0]*coords[vertices[0]][1]-coords[vertices[0]][0]*coords[vertices[2]][1])<0)){return}var rgb;switch(obj.style.shademode){case"plain":rgb=new Array(3);rgb[0]=color[0];rgb[1]=color[1];rgb[2]=color[2];break;case"lightsource":rgb=this.calcNormalBrightness(Phoria.Util.averagePolyVertex(vertices,obj._worldcoords),poly._worldnormal,scene,obj);rgb[0]=Math.ceil(Math.min(rgb[0]*color[0],255));rgb[1]=Math.ceil(Math.min(rgb[1]*color[1],255));rgb[2]=Math.ceil(Math.min(rgb[2]*color[2],255));break}this.drawTriangle(coords[vertices[2]][0],coords[vertices[2]][1],coords[vertices[1]][0],coords[vertices[1]][1],coords[vertices[0]][0],coords[vertices[0]][1],rgb[0],rgb[1],rgb[2]);if(vertices.length===4){this.drawTriangle(coords[vertices[0]][0],coords[vertices[0]][1],coords[vertices[3]][0],coords[vertices[3]][1],coords[vertices[2]][0],coords[vertices[2]][1],rgb[0],rgb[1],rgb[2])}return true},drawTriangle:function drawTriangle(x1,y1,x2,y2,x3,y3,r,g,b){var x1=Math.round(16*x1),x2=Math.round(16*x2),x3=Math.round(16*x3),y1=Math.round(16*y1),y2=Math.round(16*y2),y3=Math.round(16*y3);var dx12=x1-x2,dx23=x2-x3,dx31=x3-x1,dy12=y1-y2,dy23=y2-y3,dy31=y3-y1;var fdx12=dx12<<4,fdx23=dx23<<4,fdx31=dx31<<4,fdy12=dy12<<4,fdy23=dy23<<4,fdy31=dy31<<4;var canvasWidth=this.canvas.width,canvasHeight=this.canvas.height,data=this._data;var xmin=Math.max((Math.min(x1,x2,x3)+15)>>4,0),xmax=Math.min((Math.max(x1,x2,x3)+15)>>4,canvasWidth),ymin=Math.max((Math.min(y1,y2,y3)+15)>>4,0),ymax=Math.min((Math.max(y1,y2,y3)+15)>>4,canvasHeight);if(xmax<=xmin||ymax<=ymin){return}var c1=dy12*x1-dx12*y1,c2=dy23*x2-dx23*y2,c3=dy31*x3-dx31*y3;if(dy12<0||(dy12==0&&dx12>0)){c1++}if(dy23<0||(dy23==0&&dx23>0)){c2++}if(dy31<0||(dy31==0&&dx31>0)){c3++}var cy1=c1+dx12*(ymin<<4)-dy12*(xmin<<4),cy2=c2+dx23*(ymin<<4)-dy23*(xmin<<4),cy3=c3+dx31*(ymin<<4)-dy31*(xmin<<4),cx1,cx2,cx3;for(var y=ymin,x,offset;y<ymax;y++){cx1=cy1;cx2=cy2;cx3=cy3;for(x=xmin;x<xmax;x++){if(cx1>0&&cx2>0&&cx3>0){offset=(x+y*canvasWidth)<<2;data[offset]=r;data[offset+1]=g;data[offset+2]=b;data[offset+3]=255}cx1-=fdy12;cx2-=fdy23;cx3-=fdy31}cy1+=fdx12;cy2+=fdx23;cy3+=fdx31}}})})();(function(){Phoria.View={};Phoria.View.events={};Phoria.View.addMouseEvents=function addMouseEvents(el,fnOnClick){if(el.id){var mouse={velocityH:0,velocityLastH:0,positionX:0,clickPositionX:0,velocityV:0,velocityLastV:0,positionY:0,clickPositionY:0};Phoria.View.events[el.id]=mouse;mouse.onMouseMove=function onMouseMove(evt){mouse.positionX=evt.clientX;mouse.velocityH=mouse.velocityLastH+(mouse.positionX-mouse.clickPositionX)*0.5;mouse.positionY=evt.clientY;mouse.velocityV=mouse.velocityLastV+(mouse.positionY-mouse.clickPositionY)*0.5};mouse.onMouseUp=function onMouseUp(evt){el.removeEventListener("mousemove",mouse.onMouseMove,false)};mouse.onMouseOut=function onMouseOut(evt){el.removeEventListener("mousemove",mouse.onMouseMove,false)};mouse.onMouseDown=function onMouseDown(evt){evt.preventDefault();el.addEventListener("mousemove",mouse.onMouseMove,false);mouse.clickPositionX=evt.clientX;mouse.velocityLastH=mouse.velocityH;mouse.clickPositionY=evt.clientY;mouse.velocityLastV=mouse.velocityV};el.addEventListener("mousedown",mouse.onMouseDown,false);el.addEventListener("mouseup",mouse.onMouseUp,false);el.addEventListener("mouseout",mouse.onMouseOut,false);if(fnOnClick){el.addEventListener("click",fnOnClick,false)}return mouse}};Phoria.View.removeMouseEvents=function removeMouseEvents(el,fnOnClick){if(el.id){var mouse=Phoria.View.events[el.id];if(mouse){el.removeEventListener("mousemove",mouse.onMouseMove,false);el.removeEventListener("mousedown",mouse.onMouseDown,false);el.removeEventListener("mouseup",mouse.onMouseUp,false);el.removeEventListener("mouseout",mouse.onMouseOut,false);if(fnOnClick){el.removeEventListener("click",fnOnClick,false)}Phoria.View.events[el.id]=null}}};Phoria.View.getMouse=function getMouse(el){return Phoria.View.events[el.id]};Phoria.View.calculateClickPointAndVector=function calculateClickPointAndVector(scene,mousex,mousey){var camLookAt=vec3.fromValues(scene.camera.lookat.x,scene.camera.lookat.y,scene.camera.lookat.z);var camOff=vec3.subtract(vec3.create(),scene._cameraPosition,camLookAt);var pixelsPerUnit=(scene.viewport.height/2)/(vec3.length(camOff)*Math.tan((scene.perspective.fov/180*Math.PI)/2));var dif=vec2.fromValues(mousex-(scene.viewport.width/2),mousey-(scene.viewport.height/2));vec2.subtract(dif,dif,new vec2.fromValues(8,8));var units=vec2.create();vec2.scale(units,dif,1/pixelsPerUnit);var upVector=vec3.fromValues(scene.camera.up.x,scene.camera.up.y,scene.camera.up.z);var normalVectorSide=vec3.create();vec3.cross(normalVectorSide,camOff,upVector);vec3.normalize(normalVectorSide,normalVectorSide);var clickPoint=vec3.scaleAndAdd(vec3.create(),camLookAt,normalVectorSide,units[0]);var normalVectorUp=vec3.create();vec3.cross(normalVectorUp,normalVectorSide,camOff);vec3.normalize(normalVectorUp,normalVectorUp);vec3.scale(normalVectorUp,normalVectorUp,units[1]);vec3.subtract(clickPoint,clickPoint,normalVectorUp);var camVector=vec3.add(vec3.create(),camLookAt,camOff);return{clickPoint:clickPoint,clickVector:vec3.subtract(vec3.create(),clickPoint,camVector)}};Phoria.View.getIntersectedObjects=function getIntersectedObjects(scene,clickPoint,clickVector){var intersections=[],obj,polygonNormal,polygonPoint,polygonCoords,polygonPlaneIntersection,pointVector;var objects=scene.renderlist;for(var n=0,obj;n<objects.length;n++){obj=objects[n];if(obj.style.drawmode!=="solid"){continue}for(var m=0;m<obj.polygons.length;m++){polygonNormal=vec3.clone(obj.polygons[m]._worldnormal);polygonPoint=vec3.clone(obj._worldcoords[obj.polygons[m].vertices[0]]);polygonPlaneIntersection=Phoria.Util.planeLineIntersection(polygonNormal,polygonPoint,clickVector,clickPoint);if(polygonPlaneIntersection!==null){if(Phoria.Util.intersectionInsidePolygon(obj.polygons[m],obj._worldcoords,polygonPlaneIntersection)){var returnObject={entity:obj,polygonIndex:m,intersectionPoint:polygonPlaneIntersection};intersections.push(returnObject)}}}}for(var i=0;i<intersections.length;i++){intersections[i].distance=vec3.distance(scene._cameraPosition,intersections[i].intersectionPoint)}for(var i=0;i<intersections.length-1;i++){for(var j=i+1,keepVal;j<intersections.length;j++){if(intersections[i].distance>=intersections[j].distance){keepVal=intersections[j];intersections[j]=intersections[i];intersections[i]=keepVal}}}return intersections}})();