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(a.width*(a.height-3)+2)+d],g[4*(a.width*(a.height-1)-2)+d]=g[4*(a.width*(a.height-2)-3)+d];for(b=1;b<a.width-1;b++)for(d=0;4>d;d++)g[4*b+d]=g[4*(b+a.width)+d],g[4*(b+a.width*(a.height-1))+d]=g[4*(b+a.width*(a.height-2))+d];for(b=1;b<a.height-1;b++)for(d=0;4>d;d++)g[b*a.width*4+d]=g[4*(b*a.width+1)+d],g[4*((b+1)*a.width-1)+d]=g[4*((b+1)*a.width-2)+d];for(d=0;4>d;d++)g[d]=g[4*(a.width+1)+d],g[4*(a.width-1)+d]=g[4*(2*a.width-2)+d],g[a.width*(a.height-1)*4+d]=g[4*(a.width*(a.height-2)+1)+d],g[4*(a.width*
a.height-1)+d]=g[4*(a.width*(a.height-1)-2)+d];f.putImageData(e,0,0);E.call(this)};var E=function(){0<this.width?(aa===p&&(aa=this.width),aa!=this.width&&console.log("Fallback faces have inconsistent widths: "+aa+" vs. "+this.width)):Q=!0;T++;6==T&&(aa=this.width,L.appendChild(S),g())},Q=!1;for(s=0;6>s;s++)e=new Image,e.crossOrigin=ua.crossOrigin?ua.crossOrigin:"anonymous",e.side=s,e.onload=m,e.onerror=E,e.src="multires"==z?I.replace("%s",H[s])+"."+n.extension:n[s].src;x(aa)}else{if(!a)throw console.log("Error: no WebGL support detected!"),
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B+"px wide, but this device's maximum supported size is "+M+"px."),{type:"webgl size error",width:B,maxWidth:M};t===p||t.horizonPitch===p&&t.horizonRoll===p||(ha=[t.horizonPitch==p?0:t.horizonPitch,t.horizonRoll==p?0:t.horizonRoll]);B=a.TEXTURE_2D;a.viewport(0,0,a.drawingBufferWidth,a.drawingBufferHeight);a.getShaderPrecisionFormat&&(f=a.getShaderPrecisionFormat(a.FRAGMENT_SHADER,a.HIGH_FLOAT))&&1>f.precision&&(oa=oa.replace("highp","mediump"));V=a.createShader(a.VERTEX_SHADER);f=l;"multires"==z&&
(f=k);a.shaderSource(V,f);a.compileShader(V);W=a.createShader(a.FRAGMENT_SHADER);f=pa;"cubemap"==z?(B=a.TEXTURE_CUBE_MAP,f=bb):"multires"==z&&(f=Ra);a.shaderSource(W,f);a.compileShader(W);d=a.createProgram();a.attachShader(d,V);a.attachShader(d,W);a.linkProgram(d);a.getShaderParameter(V,a.COMPILE_STATUS)||console.log(a.getShaderInfoLog(V));a.getShaderParameter(W,a.COMPILE_STATUS)||console.log(a.getShaderInfoLog(W));a.getProgramParameter(d,a.LINK_STATUS)||console.log(a.getProgramInfoLog(d));a.useProgram(d);
d.drawInProgress=!1;f=t.backgroundColor?t.backgroundColor:[0,0,0];a.clearColor(f[0],f[1],f[2],1);a.clear(a.COLOR_BUFFER_BIT);d.texCoordLocation=a.getAttribLocation(d,"a_texCoord");a.enableVertexAttribArray(d.texCoordLocation);"multires"!=z?(da||(da=a.createBuffer()),a.bindBuffer(a.ARRAY_BUFFER,da),a.bufferData(a.ARRAY_BUFFER,new Float32Array([-1,1,1,1,1,-1,-1,1,1,-1,-1,-1]),a.STATIC_DRAW),a.vertexAttribPointer(d.texCoordLocation,2,a.FLOAT,!1,0,0),d.aspectRatio=a.getUniformLocation(d,"u_aspectRatio"),
a.uniform1f(d.aspectRatio,a.drawingBufferWidth/a.drawingBufferHeight),d.psi=a.getUniformLocation(d,"u_psi"),d.theta=a.getUniformLocation(d,"u_theta"),d.f=a.getUniformLocation(d,"u_f"),d.h=a.getUniformLocation(d,"u_h"),d.v=a.getUniformLocation(d,"u_v"),d.vo=a.getUniformLocation(d,"u_vo"),d.rot=a.getUniformLocation(d,"u_rot"),a.uniform1f(d.h,I/(2*Math.PI)),a.uniform1f(d.v,m/Math.PI),a.uniform1f(d.vo,e/Math.PI*2),"equirectangular"==z&&(d.backgroundColor=a.getUniformLocation(d,"u_backgroundColor"),a.uniform4fv(d.backgroundColor,
f.concat([1]))),d.texture=a.createTexture(),a.bindTexture(B,d.texture),"cubemap"==z?(a.texImage2D(a.TEXTURE_CUBE_MAP_POSITIVE_X,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,n[1]),a.texImage2D(a.TEXTURE_CUBE_MAP_NEGATIVE_X,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,n[3]),a.texImage2D(a.TEXTURE_CUBE_MAP_POSITIVE_Y,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,n[4]),a.texImage2D(a.TEXTURE_CUBE_MAP_NEGATIVE_Y,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,n[5]),a.texImage2D(a.TEXTURE_CUBE_MAP_POSITIVE_Z,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,n[0]),a.texImage2D(a.TEXTURE_CUBE_MAP_NEGATIVE_Z,
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"u_image1"),1),I.drawImage(n,-n.width/2,0),m=I.getImageData(0,0,n.width/2,n.height),a.texImage2D(B,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,m),a.texParameteri(B,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(B,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.texParameteri(B,a.TEXTURE_MIN_FILTER,a.LINEAR),a.texParameteri(B,a.TEXTURE_MAG_FILTER,a.LINEAR),a.activeTexture(a.TEXTURE0)),a.texParameteri(B,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(B,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.texParameteri(B,a.TEXTURE_MIN_FILTER,
a.LINEAR),a.texParameteri(B,a.TEXTURE_MAG_FILTER,a.LINEAR)):(d.vertPosLocation=a.getAttribLocation(d,"a_vertCoord"),a.enableVertexAttribArray(d.vertPosLocation),Da||(Da=a.createBuffer()),Z||(Z=a.createBuffer()),na||(na=a.createBuffer()),a.bindBuffer(a.ARRAY_BUFFER,Z),a.bufferData(a.ARRAY_BUFFER,new Float32Array([0,0,1,0,1,1,0,1]),a.STATIC_DRAW),a.bindBuffer(a.ELEMENT_ARRAY_BUFFER,na),a.bufferData(a.ELEMENT_ARRAY_BUFFER,new Uint16Array([0,1,2,0,2,3]),a.STATIC_DRAW),d.perspUniform=a.getUniformLocation(d,
"u_perspMatrix"),d.cubeUniform=a.getUniformLocation(d,"u_cubeMatrix"),d.level=-1,d.currentNodes=[],d.nodeCache=[],d.nodeCacheTimestamp=0);I=a.getError();if(0!==I)throw console.log("Error: Something went wrong with WebGL!",I),{type:"webgl error"};g()}};this.destroy=function(){L!==p&&(A!==p&&L.contains(A)&&L.removeChild(A),S!==p&&L.contains(S)&&L.removeChild(S));if(a){var d=a.getExtension("WEBGL_lose_context");d&&d.loseContext()}};this.resize=function(){var c=y.devicePixelRatio||1;A.width=A.clientWidth*
c;A.height=A.clientHeight*c;a&&(1286==a.getError()&&Ca(),a.viewport(0,0,a.drawingBufferWidth,a.drawingBufferHeight),"multires"!=z&&a.uniform1f(d.aspectRatio,A.clientWidth/A.clientHeight))};this.resize();this.setPose=function(a,d){ha=[a,d]};this.render=function(c,f,k,l){var m,e=0;l===p&&(l={});l.roll&&(e=l.roll);if(ha!==p){m=ha[0];var g=ha[1],t=c,x=f,s=Math.cos(g)*Math.sin(c)*Math.sin(m)+Math.cos(c)*(Math.cos(m)*Math.cos(f)+Math.sin(g)*Math.sin(m)*Math.sin(f)),y=-Math.sin(c)*Math.sin(g)+Math.cos(c)*
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m[0]+m[1]*m[1]+m[2]*m[2])*Math.sqrt(g[0]*g[0]+g[1]*g[1])),1),-1));0>m[2]&&(g=2*Math.PI-g);e+=g}if(a||"multires"!=z&&"cubemap"!=z){if("multires"!=z)k=2*Math.atan(Math.tan(0.5*k)/(a.drawingBufferWidth/a.drawingBufferHeight)),k=1/Math.tan(0.5*k),a.uniform1f(d.psi,f),a.uniform1f(d.theta,c),a.uniform1f(d.rot,e),a.uniform1f(d.f,k),!0===F&&"equirectangular"==z&&(a.bindTexture(a.TEXTURE_2D,d.texture),a.texImage2D(a.TEXTURE_2D,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,n)),a.drawArrays(a.TRIANGLES,0,6);else{m=a.drawingBufferWidth/
a.drawingBufferHeight;g=2*Math.atan(Math.tan(k/2)*a.drawingBufferHeight/a.drawingBufferWidth);g=1/Math.tan(g/2);m=[g/m,0,0,0,0,g,0,0,0,0,100.1/-99.9,20/-99.9,0,0,-1,0];for(g=1;g<n.maxLevel&&a.drawingBufferWidth>n.tileResolution*Math.pow(2,g-1)*Math.tan(k/2)*0.707;)g++;d.level=g;g=[1,0,0,0,1,0,0,0,1];g=ta(g,-e,"z");g=ta(g,-c,"x");g=ta(g,f,"y");g=[g[0],g[1],g[2],0,g[3],g[4],g[5],0,g[6],g[7],g[8],0,0,0,0,1];a.uniformMatrix4fv(d.perspUniform,!1,new Float32Array(ma(m)));a.uniformMatrix4fv(d.cubeUniform,
!1,new Float32Array(ma(g)));e=[m[0]*g[0],m[0]*g[1],m[0]*g[2],0,m[5]*g[4],m[5]*g[5],m[5]*g[6],0,m[10]*g[8],m[10]*g[9],m[10]*g[10],m[11],-g[8],-g[9],-g[10],0];d.nodeCache.sort(H);if(200<d.nodeCache.length&&d.nodeCache.length>d.currentNodes.length+50)for(m=d.nodeCache.splice(200,d.nodeCache.length-200),g=0;g<m.length;g++)a.deleteTexture(m[g].texture);d.currentNodes=[];g="fbudlr".split("");for(m=0;6>m;m++)t=new ka(va[m],g[m],1,0,0,n.fullpath),Ha(e,t,c,f,k);d.currentNodes.sort(Q);for(c=T.length-1;0<=c;c--)-1===
d.currentNodes.indexOf(T[c].node)&&(T[c].node.textureLoad=!1,T.splice(c,1));if(0===T.length)for(c=0;c<d.currentNodes.length;c++)if(f=d.currentNodes[c],!f.texture&&!f.textureLoad){f.textureLoad=!0;setTimeout(Ia,0,f);break}if(!d.drawInProgress){d.drawInProgress=!0;a.clear(a.COLOR_BUFFER_BIT);for(c=0;c<d.currentNodes.length;c++)1<d.currentNodes[c].textureLoaded&&(a.bindBuffer(a.ARRAY_BUFFER,Da),a.bufferData(a.ARRAY_BUFFER,new Float32Array(d.currentNodes[c].vertices),a.STATIC_DRAW),a.vertexAttribPointer(d.vertPosLocation,
3,a.FLOAT,!1,0,0),a.bindBuffer(a.ARRAY_BUFFER,Z),a.vertexAttribPointer(d.texCoordLocation,2,a.FLOAT,!1,0,0),a.bindTexture(a.TEXTURE_2D,d.currentNodes[c].texture),a.drawElements(a.TRIANGLES,6,a.UNSIGNED_SHORT,0));d.drawInProgress=!1}}if(l.returnImage!==p)return A.toDataURL("image/png")}else for(m=aa/2,l={f:"translate3d(-"+(m+2)+"px, -"+(m+2)+"px, -"+m+"px)",b:"translate3d("+(m+2)+"px, -"+(m+2)+"px, "+m+"px) rotateX(180deg) rotateZ(180deg)",u:"translate3d(-"+(m+2)+"px, -"+m+"px, "+(m+2)+"px) rotateX(270deg)",
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function(){if(a&&"multires"==z)for(var c=0;c<d.currentNodes.length;c++)if(!d.currentNodes[c].textureLoaded)return!0;return!1};this.getCanvas=function(){return A};var T=[],Ja=function(){function c(){var d=this;this.texture=this.callback=null;this.image=new Image;this.image.crossOrigin=m?m:"anonymous";var f=function(){if(0<d.image.width&&0<d.image.height){var c=d.image;a.bindTexture(a.TEXTURE_2D,d.texture);a.texImage2D(a.TEXTURE_2D,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,c);a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,
a.LINEAR);a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.LINEAR);a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE);a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE);a.bindTexture(a.TEXTURE_2D,null);d.callback(d.texture,!0)}else d.callback(d.texture,!1);T.length?(c=T.shift(),d.loadTexture(c.src,c.texture,c.callback)):p[k++]=d};this.image.addEventListener("load",f);this.image.addEventListener("error",f)}function d(a,c,f,e){this.node=a;this.src=c;this.texture=f;this.callback=
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oa="precision highp float;\nuniform float u_aspectRatio;\nuniform float u_psi;\nuniform float u_theta;\nuniform float u_f;\nuniform float u_h;\nuniform float u_v;\nuniform float u_vo;\nuniform float u_rot;\nconst float PI = 3.14159265358979323846264;\nuniform sampler2D u_image0;\nuniform sampler2D u_image1;\nuniform bool u_splitImage;\nuniform samplerCube u_imageCube;\nvarying vec2 v_texCoord;\nuniform vec4 u_backgroundColor;\nvoid main() {\nfloat x = v_texCoord.x * u_aspectRatio;\nfloat y = v_texCoord.y;\nfloat sinrot = sin(u_rot);\nfloat cosrot = cos(u_rot);\nfloat rot_x = x * cosrot - y * sinrot;\nfloat rot_y = x * sinrot + y * cosrot;\nfloat sintheta = sin(u_theta);\nfloat costheta = cos(u_theta);\nfloat a = u_f * costheta - rot_y * sintheta;\nfloat root = sqrt(rot_x * rot_x + a * a);\nfloat lambda = atan(rot_x / root, a / root) + u_psi;\nfloat phi = atan((rot_y * costheta + u_f * sintheta) / root);",
bb=oa+"float cosphi = cos(phi);\ngl_FragColor = textureCube(u_imageCube, vec3(cosphi*sin(lambda), sin(phi), cosphi*cos(lambda)));\n}",pa=oa+"lambda = mod(lambda + PI, PI * 2.0) - PI;\nvec2 coord = vec2(lambda / PI, phi / (PI / 2.0));\nif(coord.x < -u_h || coord.x > u_h || coord.y < -u_v + u_vo || coord.y > u_v + u_vo)\ngl_FragColor = u_backgroundColor;\nelse {\nif(u_splitImage) {\nif(coord.x < 0.0)\ngl_FragColor = texture2D(u_image0, vec2((coord.x + u_h) / u_h, (-coord.y + u_v + u_vo) / (u_v * 2.0)));\nelse\ngl_FragColor = texture2D(u_image1, vec2((coord.x + u_h) / u_h - 1.0, (-coord.y + u_v + u_vo) / (u_v * 2.0)));\n} else {\ngl_FragColor = texture2D(u_image0, vec2((coord.x + u_h) / (u_h * 2.0), (-coord.y + u_v + u_vo) / (u_v * 2.0)));\n}\n}\n}",
Ra="varying mediump vec2 v_texCoord;uniform sampler2D u_sampler;void main(void) {gl_FragColor = texture2D(u_sampler, v_texCoord);}";return{renderer:function(c,k,p,l){return new H(c,k,p,l)}}}(window,document);
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function parseURLParameters(){var y;if(y=0<window.location.hash.length?window.location.hash.slice(1):window.location.search.slice(1)){y=y.split("&");for(var c={},p=0;p<y.length;p++){var H=y[p].split("=")[0],l=y[p].split("=")[1];if(""!=l)switch(H){case "hfov":case "pitch":case "yaw":case "haov":case "vaov":case "minHfov":case "maxHfov":case "minPitch":case "maxPitch":case "minYaw":case "maxYaw":case "vOffset":case "autoRotate":c[H]=Number(l);break;case "autoLoad":case "ignoreGPanoXMP":c[H]=JSON.parse(l);
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