// Pannellum 2.3.2, https://github.com/mpetroff/pannellum
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ja[f])+"."+r.extension):encodeURI(r[f].src)}else{if(!a)throw console.log("Error: no WebGL support detected!"),{type:"no webgl"};r.fullpath=r.basePath?r.basePath+r.path:r.path;r.invTileResolution=1/r.tileResolution;e=ua();la=[];for(f=0;6>f;f++)la[f]=e.slice(12*f,12*f+12),e=ua();if("equirectangular"==y){if(f=Math.max(r.width,r.height),e=a.getParameter(a.MAX_TEXTURE_SIZE),f>e)throw console.log("Error: The image is too big; it's "+f+"px wide, but this device's maximum supported width is "+e+"px."),{type:"webgl size error",
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0,1]),a.STATIC_DRAW),a.bindBuffer(a.ELEMENT_ARRAY_BUFFER,V),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);if(0!==a.getError())throw console.log("Error: Something went wrong with WebGL!"),{type:"webgl error"};h()}};this.destroy=function(){$!==g&&(v!==g&&$.removeChild(v),R!==g&&$.removeChild(R));
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h[0]+b[1]*h[1])/(Math.sqrt(b[0]*b[0]+b[1]*b[1]+b[2]*b[2])*Math.sqrt(h[0]*h[0]+h[1]*h[1])),1),-1));0>b[2]&&(h=2*Math.PI-h);q+=h}if(a||"multires"!=y&&"cubemap"!=y){if("multires"!=y)k=2*Math.atan(Math.tan(0.5*k)/(v.width/v.height)),k=1/Math.tan(0.5*k),a.uniform1f(d.psi,e),a.uniform1f(d.theta,f),a.uniform1f(d.rot,q),a.uniform1f(d.f,k),!0===ga&&"equirectangular"==y&&(a.bindTexture(a.TEXTURE_2D,d.texture),a.texImage2D(a.TEXTURE_2D,0,a.RGB,a.RGB,a.UNSIGNED_BYTE,r)),a.drawArrays(a.TRIANGLES,0,6);else{b=v.width/
v.height;h=2*Math.atan(Math.tan(k/2)*v.height/v.width);h=1/Math.tan(h/2);b=[h/b,0,0,0,0,h,0,0,0,0,100.1/-99.9,20/-99.9,0,0,-1,0];for(h=1;h<r.maxLevel&&v.width>r.tileResolution*Math.pow(2,h-1)*Math.tan(k/2)*0.707;)h++;d.level=h;h=[1,0,0,0,1,0,0,0,1];h=ka(h,-q,"z");h=ka(h,-f,"x");h=ka(h,e,"y");h=[h[0],h[1],h[2],0,h[3],h[4],h[5],0,h[6],h[7],h[8],0,0,0,0,1];a.uniformMatrix4fv(d.perspUniform,!1,new Float32Array(fa(b)));a.uniformMatrix4fv(d.cubeUniform,!1,new Float32Array(fa(h)));b=[b[0]*h[0],b[0]*h[1],
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