three.equirectangular-to-cubemap/examples/js/three.min.js

Convert an equirectangular panorama into a three.js cubemap texture

// threejs.org/license
(function(h,qa){"object"===typeof exports&&"undefined"!==typeof module?qa(exports):"function"===typeof define&&define.amd?define(["exports"],qa):qa(h.THREE=h.THREE||{})})(this,function(h){function qa(){}function D(a,b){this.x=a||0;this.y=b||0}function ba(a,b,c,d,e,f,g,k,l,m){Object.defineProperty(this,"id",{value:Rd++});this.uuid=h.Math.generateUUID();this.sourceFile=this.name="";this.image=void 0!==a?a:ba.DEFAULT_IMAGE;this.mipmaps=[];this.mapping=void 0!==b?b:ba.DEFAULT_MAPPING;this.wrapS=void 0!==
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function Ee(a,b){a.uniform1fv(this.addr,b)}function Fe(a,b){a.uniform1iv(this.addr,b)}function Ge(a,b){a.uniform2fv(this.addr,Bb(b,this.size,2))}function He(a,b){a.uniform3fv(this.addr,Bb(b,this.size,3))}function Ie(a,b){a.uniform4fv(this.addr,Bb(b,this.size,4))}function Je(a,b){a.uniformMatrix2fv(this.addr,!1,Bb(b,this.size,4))}function Ke(a,b){a.uniformMatrix3fv(this.addr,!1,Bb(b,this.size,9))}function Le(a,b){a.uniformMatrix4fv(this.addr,!1,Bb(b,this.size,16))}function Me(a,b,c){var d=b.length,
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case 35669:case 35673:return Zd}}function Pe(a,b,c){this.id=a;this.addr=c;this.setValue=De(b.type)}function Qe(a,b,c){this.id=a;this.addr=c;this.size=b.size;this.setValue=Oe(b.type)}function $d(a){this.id=a;this.seq=[];this.map={}}function Ga(a,b,c){this.seq=[];this.map={};this.renderer=c;c=a.getProgramParameter(b,a.ACTIVE_UNIFORMS);for(var d=0;d!==c;++d){var e=a.getActiveUniform(b,d),f=a.getUniformLocation(b,e.name),g=this,k=e.name,l=k.length;for(ld.lastIndex=0;;){var m=ld.exec(k),u=ld.lastIndex,
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vertexShader:{log:h,prefix:g},fragmentShader:{log:p,prefix:m}});e.deleteShader(k);e.deleteShader(l);var A;this.getUniforms=function(){void 0===A&&(A=new Ga(e,v,a));return A};var w;this.getAttributes=function(){if(void 0===w){for(var a={},b=e.getProgramParameter(v,e.ACTIVE_ATTRIBUTES),c=0;c<b;c++){var d=e.getActiveAttrib(v,c).name;a[d]=e.getAttribLocation(v,d)}w=a}return w};this.destroy=function(){e.deleteProgram(v);this.program=void 0};Object.defineProperties(this,{uniforms:{get:function(){console.warn("THREE.WebGLProgram: .uniforms is now .getUniforms().");
return this.getUniforms()}},attributes:{get:function(){console.warn("THREE.WebGLProgram: .attributes is now .getAttributes().");return this.getAttributes()}}});this.id=cf++;this.code=b;this.usedTimes=1;this.program=v;this.vertexShader=k;this.fragmentShader=l;return this}function df(a,b){function c(a,b){var c;a?a&&a.isTexture?c=a.encoding:a&&a.isWebGLRenderTarget&&(console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead."),
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emissiveMap:!!d.emissiveMap,emissiveMapEncoding:c(d.emissiveMap,a.gammaInput),bumpMap:!!d.bumpMap,normalMap:!!d.normalMap,displacementMap:!!d.displacementMap,roughnessMap:!!d.roughnessMap,metalnessMap:!!d.metalnessMap,specularMap:!!d.specularMap,alphaMap:!!d.alphaMap,combine:d.combine,vertexColors:d.vertexColors,fog:!!l,useFog:d.fog,fogExp:l&&l.isFogExp2,flatShading:1===d.shading,sizeAttenuation:d.sizeAttenuation,logarithmicDepthBuffer:b.logarithmicDepthBuffer,skinning:d.skinning,maxBones:n,useVertexTexture:b.floatVertexTextures&&
h&&h.skeleton&&h.skeleton.useVertexTexture,morphTargets:d.morphTargets,morphNormals:d.morphNormals,maxMorphTargets:a.maxMorphTargets,maxMorphNormals:a.maxMorphNormals,numDirLights:f.directional.length,numPointLights:f.point.length,numSpotLights:f.spot.length,numHemiLights:f.hemi.length,numClippingPlanes:m,shadowMapEnabled:a.shadowMap.enabled&&h.receiveShadow&&0<f.shadows.length,shadowMapType:a.shadowMap.type,toneMapping:a.toneMapping,physicallyCorrectLights:a.physicallyCorrectLights,premultipliedAlpha:d.premultipliedAlpha,
alphaTest:d.alphaTest,doubleSided:2===d.side,flipSided:1===d.side,depthPacking:void 0!==d.depthPacking?d.depthPacking:!1}};this.getProgramCode=function(a,b){var c=[];b.shaderID?c.push(b.shaderID):(c.push(a.fragmentShader),c.push(a.vertexShader));if(void 0!==a.defines)for(var d in a.defines)c.push(d),c.push(a.defines[d]);for(d=0;d<f.length;d++)c.push(b[f[d]]);return c.join()};this.acquireProgram=function(b,c,e){for(var f,h=0,p=d.length;h<p;h++){var n=d[h];if(n.code===e){f=n;++f.usedTimes;break}}void 0===
f&&(f=new bf(a,e,b,c),d.push(f));return f};this.releaseProgram=function(a){if(0===--a.usedTimes){var b=d.indexOf(a);d[b]=d[d.length-1];d.pop();a.destroy()}};this.programs=d}function ef(a,b,c){function d(a){var k=a.target;a=f[k.id];null!==a.index&&e(a.index);var l=a.attributes,m;for(m in l)e(l[m]);k.removeEventListener("dispose",d);delete f[k.id];m=b.get(k);m.wireframe&&e(m.wireframe);b["delete"](k);k=b.get(a);k.wireframe&&e(k.wireframe);b["delete"](a);c.memory.geometries--}function e(c){var d;d=c.isInterleavedBufferAttribute?
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c.data:c,l=b.get(e);void 0===l.__webglBuffer?(l.__webglBuffer=a.createBuffer(),a.bindBuffer(d,l.__webglBuffer),a.bufferData(d,e.array,e.dynamic?a.DYNAMIC_DRAW:a.STATIC_DRAW),l.version=e.version):l.version!==e.version&&(a.bindBuffer(d,l.__webglBuffer),!1===e.dynamic||-1===e.updateRange.count?a.bufferSubData(d,0,e.array):0===e.updateRange.count?console.error("THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually."):
(a.bufferSubData(d,e.updateRange.offset*e.array.BYTES_PER_ELEMENT,e.array.subarray(e.updateRange.offset,e.updateRange.offset+e.updateRange.count)),e.updateRange.count=0),l.version=e.version)}var e=new ef(a,b,c);return{getAttributeBuffer:function(a){return a.isInterleavedBufferAttribute?b.get(a.data).__webglBuffer:b.get(a).__webglBuffer},getWireframeAttribute:function(c){var e=b.get(c);if(void 0!==e.wireframe)return e.wireframe;var k=[],l=c.index,m=c.attributes;c=m.position;if(null!==l)for(var l=l.array,
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b[l],m=0,h=k.length;m<h;m++)d(k[m],a.ARRAY_BUFFER);return c}}}function gf(a,b,c,d,e,f,g){function k(a,b){if(a.width>b||a.height>b){var c=b/Math.max(a.width,a.height),d=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");d.width=Math.floor(a.width*c);d.height=Math.floor(a.height*c);d.getContext("2d").drawImage(a,0,0,a.width,a.height,0,0,d.width,d.height);console.warn("THREE.WebGLRenderer: image is too big ("+a.width+"x"+a.height+"). Resized to "+d.width+"x"+d.height,a);return d}return a}
function l(a){return h.Math.isPowerOfTwo(a.width)&&h.Math.isPowerOfTwo(a.height)}function m(b){return 1003===b||1004===b||1005===b?a.NEAREST:a.LINEAR}function u(b){b=b.target;b.removeEventListener("dispose",u);a:{var c=d.get(b);if(b.image&&c.__image__webglTextureCube)a.deleteTexture(c.__image__webglTextureCube);else{if(void 0===c.__webglInit)break a;a.deleteTexture(c.__webglTexture)}d["delete"](b)}A.textures--}function p(b){b=b.target;b.removeEventListener("dispose",p);var c=d.get(b),e=d.get(b.texture);
if(b){void 0!==e.__webglTexture&&a.deleteTexture(e.__webglTexture);b.depthTexture&&b.depthTexture.dispose();if(b&&b.isWebGLRenderTargetCube)for(e=0;6>e;e++)a.deleteFramebuffer(c.__webglFramebuffer[e]),c.__webglDepthbuffer&&a.deleteRenderbuffer(c.__webglDepthbuffer[e]);else a.deleteFramebuffer(c.__webglFramebuffer),c.__webglDepthbuffer&&a.deleteRenderbuffer(c.__webglDepthbuffer);d["delete"](b.texture);d["delete"](b)}A.textures--}function n(b,g){var m=d.get(b);if(0<b.version&&m.__version!==b.version){var n=
b.image;if(void 0===n)console.warn("THREE.WebGLRenderer: Texture marked for update but image is undefined",b);else if(!1===n.complete)console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete",b);else{void 0===m.__webglInit&&(m.__webglInit=!0,b.addEventListener("dispose",u),m.__webglTexture=a.createTexture(),A.textures++);c.activeTexture(a.TEXTURE0+g);c.bindTexture(a.TEXTURE_2D,m.__webglTexture);a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,b.flipY);a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,
b.premultiplyAlpha);a.pixelStorei(a.UNPACK_ALIGNMENT,b.unpackAlignment);var p=k(b.image,e.maxTextureSize);if((1001!==b.wrapS||1001!==b.wrapT||1003!==b.minFilter&&1006!==b.minFilter)&&!1===l(p))if(n=p,n instanceof HTMLImageElement||n instanceof HTMLCanvasElement){var t=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");t.width=h.Math.nearestPowerOfTwo(n.width);t.height=h.Math.nearestPowerOfTwo(n.height);t.getContext("2d").drawImage(n,0,0,t.width,t.height);console.warn("THREE.WebGLRenderer: image is not power of two ("+
n.width+"x"+n.height+"). Resized to "+t.width+"x"+t.height,n);p=t}else p=n;var n=l(p),t=f(b.format),v=f(b.type);r(a.TEXTURE_2D,b,n);var q=b.mipmaps;if(b&&b.isDepthTexture){q=a.DEPTH_COMPONENT;if(1015===b.type){if(!w)throw Error("Float Depth Texture only supported in WebGL2.0");q=a.DEPTH_COMPONENT32F}else w&&(q=a.DEPTH_COMPONENT16);1027===b.format&&(q=a.DEPTH_STENCIL);c.texImage2D(a.TEXTURE_2D,0,q,p.width,p.height,0,t,v,null)}else if(b&&b.isDataTexture)if(0<q.length&&n){for(var N=0,ca=q.length;N<ca;N++)p=
q[N],c.texImage2D(a.TEXTURE_2D,N,t,p.width,p.height,0,t,v,p.data);b.generateMipmaps=!1}else c.texImage2D(a.TEXTURE_2D,0,t,p.width,p.height,0,t,v,p.data);else if(b&&b.isCompressedTexture)for(N=0,ca=q.length;N<ca;N++)p=q[N],1023!==b.format&&1022!==b.format?-1<c.getCompressedTextureFormats().indexOf(t)?c.compressedTexImage2D(a.TEXTURE_2D,N,t,p.width,p.height,0,p.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):c.texImage2D(a.TEXTURE_2D,
N,t,p.width,p.height,0,t,v,p.data);else if(0<q.lengt