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@@ -1,752 +0,0 @@
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-/**
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- * Loader for UTF8 version2 (after r51) encoded models generated by:
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- * http://code.google.com/p/webgl-loader/
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- *
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- * Code to load/decompress mesh is taken from r100 of this webgl-loader
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- */
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-
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-THREE.UTF8Loader = function () {};
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-
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-/**
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- * Load UTF8 encoded model
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- * @param jsonUrl - URL from which to load json containing information about model
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- * @param callback - Callback(THREE.Object3D) on successful loading of model
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- * @param options - options on how to load model (see THREE.MTLLoader.MaterialCreator for basic options)
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- * Additional options include
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- * geometryBase: Base url from which to load referenced geometries
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- * materialBase: Base url from which to load referenced textures
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- */
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-
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-THREE.UTF8Loader.prototype.load = function ( jsonUrl, callback, options ) {
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-
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- this.downloadModelJson( jsonUrl, callback, options );
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-
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-};
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-
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-// BufferGeometryCreator
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-
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-THREE.UTF8Loader.BufferGeometryCreator = function () {
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-};
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-
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-THREE.UTF8Loader.BufferGeometryCreator.prototype.create = function ( attribArray, indices ) {
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-
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- var ntris = indices.length / 3;
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-
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- var geometry = new THREE.BufferGeometry();
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-
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- var positions = new Float32Array( ntris * 3 * 3 );
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- var normals = new Float32Array( ntris * 3 * 3 );
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- var uvs = new Float32Array( ntris * 3 * 2 );
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-
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- var i, j, offset;
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-
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- var end = attribArray.length;
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- var stride = 8;
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-
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- // extract positions
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-
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- j = 0;
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- offset = 0;
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-
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- for ( i = offset; i < end; i += stride ) {
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-
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- positions[ j ++ ] = attribArray[ i ];
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- positions[ j ++ ] = attribArray[ i + 1 ];
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- positions[ j ++ ] = attribArray[ i + 2 ];
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-
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- }
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-
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- // extract uvs
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-
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- j = 0;
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- offset = 3;
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-
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- for ( i = offset; i < end; i += stride ) {
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-
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- uvs[ j ++ ] = attribArray[ i ];
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- uvs[ j ++ ] = attribArray[ i + 1 ];
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-
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- }
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-
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- // extract normals
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-
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- j = 0;
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- offset = 5;
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-
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- for ( i = offset; i < end; i += stride ) {
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-
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- normals[ j ++ ] = attribArray[ i ];
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- normals[ j ++ ] = attribArray[ i + 1 ];
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- normals[ j ++ ] = attribArray[ i + 2 ];
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-
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- }
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-
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- geometry.setIndex( new THREE.BufferAttribute( indices, 1 ) );
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- geometry.addAttribute( 'position', new THREE.BufferAttribute( positions, 3 ) );
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- geometry.addAttribute( 'normal', new THREE.BufferAttribute( normals, 3 ) );
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- geometry.addAttribute( 'uv', new THREE.BufferAttribute( uvs, 2 ) );
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-
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- geometry.computeBoundingSphere();
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-
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- return geometry;
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-
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-};
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-
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-
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-// UTF-8 decoder from webgl-loader (r100)
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-// http://code.google.com/p/webgl-loader/
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-
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-// Model manifest description. Contains objects like:
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-// name: {
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-// materials: { 'material_name': { ... } ... },
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-// decodeParams: {
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-// decodeOffsets: [ ... ],
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-// decodeScales: [ ... ],
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-// },
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-// urls: {
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-// 'url': [
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-// { material: 'material_name',
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-// attribRange: [#, #],
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-// indexRange: [#, #],
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-// names: [ 'object names' ... ],
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-// lengths: [#, #, # ... ]
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-// }
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-// ],
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-// ...
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-// }
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-// }
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-
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-var DEFAULT_DECODE_PARAMS = {
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-
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- decodeOffsets: [ - 4095, - 4095, - 4095, 0, 0, - 511, - 511, - 511 ],
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- decodeScales: [ 1 / 8191, 1 / 8191, 1 / 8191, 1 / 1023, 1 / 1023, 1 / 1023, 1 / 1023, 1 / 1023 ]
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-
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- // TODO: normal decoding? (see walt.js)
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- // needs to know: input, output (from vertex format!)
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- //
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- // Should split attrib/index.
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- // 1) Decode position and non-normal attributes.
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- // 2) Decode indices, computing normals
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- // 3) Maybe normalize normals? Only necessary for refinement, or fixed?
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- // 4) Maybe refine normals? Should this be part of regular refinement?
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- // 5) Morphing
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-
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-};
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-
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-// Triangle strips!
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-
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-// TODO: will it be an optimization to specialize this method at
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-// runtime for different combinations of stride, decodeOffset and
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-// decodeScale?
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-
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-THREE.UTF8Loader.prototype.decompressAttribsInner_ = function ( str, inputStart, inputEnd,
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- output, outputStart, stride, decodeOffset, decodeScale ) {
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-
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- var prev = 0;
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-
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- for ( var j = inputStart; j < inputEnd; j ++ ) {
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-
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- var code = str.charCodeAt( j );
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- prev += ( code >> 1 ) ^ ( - ( code & 1 ) );
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-
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- output[ outputStart ] = decodeScale * ( prev + decodeOffset );
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- outputStart += stride;
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-
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- }
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-
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-};
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-
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-THREE.UTF8Loader.prototype.decompressIndices_ = function ( str, inputStart, numIndices, output, outputStart ) {
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-
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- var highest = 0;
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-
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- for ( var i = 0; i < numIndices; i ++ ) {
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-
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- var code = str.charCodeAt( inputStart ++ );
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-
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- output[ outputStart ++ ] = highest - code;
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-
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- if ( code === 0 ) {
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-
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- highest ++;
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-
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- }
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-
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- }
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-
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-};
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-
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-THREE.UTF8Loader.prototype.decompressAABBs_ = function ( str, inputStart, numBBoxen, decodeOffsets, decodeScales ) {
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-
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- var numFloats = 6 * numBBoxen;
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-
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- var inputEnd = inputStart + numFloats;
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- var outputStart = 0;
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-
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- var bboxen = new Float32Array( numFloats );
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-
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- for ( var i = inputStart; i < inputEnd; i += 6 ) {
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-
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- var minX = str.charCodeAt( i + 0 ) + decodeOffsets[ 0 ];
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- var minY = str.charCodeAt( i + 1 ) + decodeOffsets[ 1 ];
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- var minZ = str.charCodeAt( i + 2 ) + decodeOffsets[ 2 ];
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-
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- var radiusX = ( str.charCodeAt( i + 3 ) + 1 ) >> 1;
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- var radiusY = ( str.charCodeAt( i + 4 ) + 1 ) >> 1;
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- var radiusZ = ( str.charCodeAt( i + 5 ) + 1 ) >> 1;
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-
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- bboxen[ outputStart ++ ] = decodeScales[ 0 ] * ( minX + radiusX );
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- bboxen[ outputStart ++ ] = decodeScales[ 1 ] * ( minY + radiusY );
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- bboxen[ outputStart ++ ] = decodeScales[ 2 ] * ( minZ + radiusZ );
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-
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- bboxen[ outputStart ++ ] = decodeScales[ 0 ] * radiusX;
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- bboxen[ outputStart ++ ] = decodeScales[ 1 ] * radiusY;
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- bboxen[ outputStart ++ ] = decodeScales[ 2 ] * radiusZ;
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-
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- }
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-
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- return bboxen;
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-
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-};
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-
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-THREE.UTF8Loader.prototype.decompressMesh = function ( str, meshParams, decodeParams, name, idx, callback ) {
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-
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- // Extract conversion parameters from attribArrays.
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-
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- var stride = decodeParams.decodeScales.length;
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-
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- var decodeOffsets = decodeParams.decodeOffsets;
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- var decodeScales = decodeParams.decodeScales;
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-
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- var attribStart = meshParams.attribRange[ 0 ];
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- var numVerts = meshParams.attribRange[ 1 ];
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-
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- // Decode attributes.
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-
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- var inputOffset = attribStart;
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- var attribsOut = new Float32Array( stride * numVerts );
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-
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- for ( var j = 0; j < stride; j ++ ) {
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-
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- var end = inputOffset + numVerts;
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-
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- var decodeScale = decodeScales[ j ];
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-
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- if ( decodeScale ) {
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-
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- // Assume if decodeScale is never set, simply ignore the
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- // attribute.
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-
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- this.decompressAttribsInner_( str, inputOffset, end, attribsOut, j, stride, decodeOffsets[ j ], decodeScale );
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-
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- }
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-
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- inputOffset = end;
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-
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- }
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-
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- var numIndices = 3 * meshParams.indexRange[ 1 ];
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-
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- var indicesOut = new Uint16Array( numIndices );
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-
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- this.decompressIndices_( str, inputOffset, numIndices, indicesOut, 0 );
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-
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- // Decode bboxen.
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-
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- var bboxen = undefined;
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- var bboxOffset = meshParams.bboxes;
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-
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- if ( bboxOffset ) {
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-
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- bboxen = this.decompressAABBs_( str, bboxOffset, meshParams.names.length, decodeOffsets, decodeScales );
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-
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- }
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-
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- callback( name, idx, attribsOut, indicesOut, bboxen, meshParams );
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-
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-};
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-
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-THREE.UTF8Loader.prototype.copyAttrib = function ( stride, attribsOutFixed, lastAttrib, index ) {
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-
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- for ( var j = 0; j < stride; j ++ ) {
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-
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- lastAttrib[ j ] = attribsOutFixed[ stride * index + j ];
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-
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- }
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-
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-};
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-
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-THREE.UTF8Loader.prototype.decodeAttrib2 = function ( str, stride, decodeOffsets, decodeScales, deltaStart,
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- numVerts, attribsOut, attribsOutFixed, lastAttrib, index ) {
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-
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- for ( var j = 0; j < 5; j ++ ) {
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-
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- var code = str.charCodeAt( deltaStart + numVerts * j + index );
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- var delta = ( code >> 1 ) ^ ( - ( code & 1 ) );
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-
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- lastAttrib[ j ] += delta;
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- attribsOutFixed[ stride * index + j ] = lastAttrib[ j ];
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- attribsOut[ stride * index + j ] = decodeScales[ j ] * ( lastAttrib[ j ] + decodeOffsets[ j ] );
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-
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- }
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-
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-};
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-
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-THREE.UTF8Loader.prototype.accumulateNormal = function ( i0, i1, i2, attribsOutFixed, crosses ) {
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-
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- var p0x = attribsOutFixed[ 8 * i0 ];
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- var p0y = attribsOutFixed[ 8 * i0 + 1 ];
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- var p0z = attribsOutFixed[ 8 * i0 + 2 ];
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-
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- var p1x = attribsOutFixed[ 8 * i1 ];
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- var p1y = attribsOutFixed[ 8 * i1 + 1 ];
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- var p1z = attribsOutFixed[ 8 * i1 + 2 ];
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-
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- var p2x = attribsOutFixed[ 8 * i2 ];
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- var p2y = attribsOutFixed[ 8 * i2 + 1 ];
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- var p2z = attribsOutFixed[ 8 * i2 + 2 ];
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-
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- p1x -= p0x;
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- p1y -= p0y;
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- p1z -= p0z;
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-
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- p2x -= p0x;
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- p2y -= p0y;
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- p2z -= p0z;
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-
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- p0x = p1y * p2z - p1z * p2y;
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- p0y = p1z * p2x - p1x * p2z;
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- p0z = p1x * p2y - p1y * p2x;
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-
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- crosses[ 3 * i0 ] += p0x;
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- crosses[ 3 * i0 + 1 ] += p0y;
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- crosses[ 3 * i0 + 2 ] += p0z;
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-
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- crosses[ 3 * i1 ] += p0x;
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- crosses[ 3 * i1 + 1 ] += p0y;
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- crosses[ 3 * i1 + 2 ] += p0z;
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-
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- crosses[ 3 * i2 ] += p0x;
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- crosses[ 3 * i2 + 1 ] += p0y;
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- crosses[ 3 * i2 + 2 ] += p0z;
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-
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-};
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-
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-THREE.UTF8Loader.prototype.decompressMesh2 = function ( str, meshParams, decodeParams, name, idx, callback ) {
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-
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- var MAX_BACKREF = 96;
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-
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- // Extract conversion parameters from attribArrays.
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-
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- var stride = decodeParams.decodeScales.length;
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-
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- var decodeOffsets = decodeParams.decodeOffsets;
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- var decodeScales = decodeParams.decodeScales;
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-
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- var deltaStart = meshParams.attribRange[ 0 ];
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- var numVerts = meshParams.attribRange[ 1 ];
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-
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- var codeStart = meshParams.codeRange[ 0 ];
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-
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- var numIndices = 3 * meshParams.codeRange[ 2 ];
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-
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- var indicesOut = new Uint16Array( numIndices );
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-
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- var crosses = new Int32Array( 3 * numVerts );
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-
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- var lastAttrib = new Uint16Array( stride );
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-
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- var attribsOutFixed = new Uint16Array( stride * numVerts );
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- var attribsOut = new Float32Array( stride * numVerts );
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-
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- var highest = 0;
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- var outputStart = 0;
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-
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- for ( var i = 0; i < numIndices; i += 3 ) {
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-
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- var code = str.charCodeAt( codeStart ++ );
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-
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- var max_backref = Math.min( i, MAX_BACKREF );
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-
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- if ( code < max_backref ) {
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-
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- // Parallelogram
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-
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- var winding = code % 3;
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- var backref = i - ( code - winding );
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- var i0, i1, i2;
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-
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- switch ( winding ) {
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-
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- case 0:
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-
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- i0 = indicesOut[ backref + 2 ];
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- i1 = indicesOut[ backref + 1 ];
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- i2 = indicesOut[ backref + 0 ];
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- break;
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-
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- case 1:
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-
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- i0 = indicesOut[ backref + 0 ];
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- i1 = indicesOut[ backref + 2 ];
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- i2 = indicesOut[ backref + 1 ];
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- break;
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-
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- case 2:
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-
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- i0 = indicesOut[ backref + 1 ];
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- i1 = indicesOut[ backref + 0 ];
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- i2 = indicesOut[ backref + 2 ];
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- break;
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-
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- }
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-
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- indicesOut[ outputStart ++ ] = i0;
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- indicesOut[ outputStart ++ ] = i1;
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-
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- code = str.charCodeAt( codeStart ++ );
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-
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- var index = highest - code;
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- indicesOut[ outputStart ++ ] = index;
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-
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- if ( code === 0 ) {
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-
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- for ( var j = 0; j < 5; j ++ ) {
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-
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- var deltaCode = str.charCodeAt( deltaStart + numVerts * j + highest );
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-
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- var prediction = ( ( deltaCode >> 1 ) ^ ( - ( deltaCode & 1 ) ) ) +
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- attribsOutFixed[ stride * i0 + j ] +
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- attribsOutFixed[ stride * i1 + j ] -
|
|
|
- attribsOutFixed[ stride * i2 + j ];
|
|
|
-
|
|
|
- lastAttrib[ j ] = prediction;
|
|
|
-
|
|
|
- attribsOutFixed[ stride * highest + j ] = prediction;
|
|
|
- attribsOut[ stride * highest + j ] = decodeScales[ j ] * ( prediction + decodeOffsets[ j ] );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- highest ++;
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- this.copyAttrib( stride, attribsOutFixed, lastAttrib, index );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- this.accumulateNormal( i0, i1, index, attribsOutFixed, crosses );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- // Simple
|
|
|
-
|
|
|
- var index0 = highest - ( code - max_backref );
|
|
|
-
|
|
|
- indicesOut[ outputStart ++ ] = index0;
|
|
|
-
|
|
|
- if ( code === max_backref ) {
|
|
|
-
|
|
|
- this.decodeAttrib2( str, stride, decodeOffsets, decodeScales, deltaStart,
|
|
|
- numVerts, attribsOut, attribsOutFixed, lastAttrib, highest ++ );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- this.copyAttrib( stride, attribsOutFixed, lastAttrib, index0 );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- code = str.charCodeAt( codeStart ++ );
|
|
|
-
|
|
|
- var index1 = highest - code;
|
|
|
- indicesOut[ outputStart ++ ] = index1;
|
|
|
-
|
|
|
- if ( code === 0 ) {
|
|
|
-
|
|
|
- this.decodeAttrib2( str, stride, decodeOffsets, decodeScales, deltaStart,
|
|
|
- numVerts, attribsOut, attribsOutFixed, lastAttrib, highest ++ );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- this.copyAttrib( stride, attribsOutFixed, lastAttrib, index1 );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- code = str.charCodeAt( codeStart ++ );
|
|
|
-
|
|
|
- var index2 = highest - code;
|
|
|
- indicesOut[ outputStart ++ ] = index2;
|
|
|
-
|
|
|
- if ( code === 0 ) {
|
|
|
-
|
|
|
- for ( var j = 0; j < 5; j ++ ) {
|
|
|
-
|
|
|
- lastAttrib[ j ] = ( attribsOutFixed[ stride * index0 + j ] + attribsOutFixed[ stride * index1 + j ] ) / 2;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- this.decodeAttrib2( str, stride, decodeOffsets, decodeScales, deltaStart,
|
|
|
- numVerts, attribsOut, attribsOutFixed, lastAttrib, highest ++ );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- this.copyAttrib( stride, attribsOutFixed, lastAttrib, index2 );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- this.accumulateNormal( index0, index1, index2, attribsOutFixed, crosses );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- for ( var i = 0; i < numVerts; i ++ ) {
|
|
|
-
|
|
|
- var nx = crosses[ 3 * i ];
|
|
|
- var ny = crosses[ 3 * i + 1 ];
|
|
|
- var nz = crosses[ 3 * i + 2 ];
|
|
|
-
|
|
|
- var norm = 511.0 / Math.sqrt( nx * nx + ny * ny + nz * nz );
|
|
|
-
|
|
|
- var cx = str.charCodeAt( deltaStart + 5 * numVerts + i );
|
|
|
- var cy = str.charCodeAt( deltaStart + 6 * numVerts + i );
|
|
|
- var cz = str.charCodeAt( deltaStart + 7 * numVerts + i );
|
|
|
-
|
|
|
- attribsOut[ stride * i + 5 ] = norm * nx + ( ( cx >> 1 ) ^ ( - ( cx & 1 ) ) );
|
|
|
- attribsOut[ stride * i + 6 ] = norm * ny + ( ( cy >> 1 ) ^ ( - ( cy & 1 ) ) );
|
|
|
- attribsOut[ stride * i + 7 ] = norm * nz + ( ( cz >> 1 ) ^ ( - ( cz & 1 ) ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- callback( name, idx, attribsOut, indicesOut, undefined, meshParams );
|
|
|
-
|
|
|
-};
|
|
|
-
|
|
|
-THREE.UTF8Loader.prototype.downloadMesh = function ( path, name, meshEntry, decodeParams, callback ) {
|
|
|
-
|
|
|
- var loader = this;
|
|
|
- var idx = 0;
|
|
|
-
|
|
|
- function onprogress( data ) {
|
|
|
-
|
|
|
- while ( idx < meshEntry.length ) {
|
|
|
-
|
|
|
- var meshParams = meshEntry[ idx ];
|
|
|
- var indexRange = meshParams.indexRange;
|
|
|
-
|
|
|
- if ( indexRange ) {
|
|
|
-
|
|
|
- var meshEnd = indexRange[ 0 ] + 3 * indexRange[ 1 ];
|
|
|
-
|
|
|
- if ( data.length < meshEnd ) break;
|
|
|
-
|
|
|
- loader.decompressMesh( data, meshParams, decodeParams, name, idx, callback );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- var codeRange = meshParams.codeRange;
|
|
|
- var meshEnd = codeRange[ 0 ] + codeRange[ 1 ];
|
|
|
-
|
|
|
- if ( data.length < meshEnd ) break;
|
|
|
-
|
|
|
- loader.decompressMesh2( data, meshParams, decodeParams, name, idx, callback );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- ++ idx;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- getHttpRequest( path, function ( data ) {
|
|
|
-
|
|
|
- onprogress( data );
|
|
|
-
|
|
|
- // TODO: handle errors.
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
-};
|
|
|
-
|
|
|
-THREE.UTF8Loader.prototype.downloadMeshes = function ( path, meshUrlMap, decodeParams, callback ) {
|
|
|
-
|
|
|
- for ( var url in meshUrlMap ) {
|
|
|
-
|
|
|
- var meshEntry = meshUrlMap[ url ];
|
|
|
- this.downloadMesh( path + url, url, meshEntry, decodeParams, callback );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
-};
|
|
|
-
|
|
|
-THREE.UTF8Loader.prototype.createMeshCallback = function ( materialBaseUrl, loadModelInfo, allDoneCallback ) {
|
|
|
-
|
|
|
- var nCompletedUrls = 0;
|
|
|
- var nExpectedUrls = 0;
|
|
|
-
|
|
|
- var expectedMeshesPerUrl = {};
|
|
|
- var decodedMeshesPerUrl = {};
|
|
|
-
|
|
|
- var modelParts = {};
|
|
|
-
|
|
|
- var meshUrlMap = loadModelInfo.urls;
|
|
|
-
|
|
|
- for ( var url in meshUrlMap ) {
|
|
|
-
|
|
|
- expectedMeshesPerUrl[ url ] = meshUrlMap[ url ].length;
|
|
|
- decodedMeshesPerUrl[ url ] = 0;
|
|
|
-
|
|
|
- nExpectedUrls ++;
|
|
|
-
|
|
|
- modelParts[ url ] = new THREE.Object3D();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var model = new THREE.Object3D();
|
|
|
-
|
|
|
- // Prepare materials first...
|
|
|
-
|
|
|
- var materialCreator = new THREE.MTLLoader.MaterialCreator( materialBaseUrl, loadModelInfo.options );
|
|
|
- materialCreator.setMaterials( loadModelInfo.materials );
|
|
|
-
|
|
|
- materialCreator.preload();
|
|
|
-
|
|
|
- // Create callback for creating mesh parts
|
|
|
-
|
|
|
- var bufferGeometryCreator = new THREE.UTF8Loader.BufferGeometryCreator();
|
|
|
-
|
|
|
- var meshCallback = function ( name, idx, attribArray, indexArray, bboxen, meshParams ) {
|
|
|
-
|
|
|
- // Got ourselves a new mesh
|
|
|
-
|
|
|
- // name identifies this part of the model (url)
|
|
|
- // idx is the mesh index of this mesh of the part
|
|
|
- // attribArray defines the vertices
|
|
|
- // indexArray defines the faces
|
|
|
- // bboxen defines the bounding box
|
|
|
- // meshParams contains the material info
|
|
|
-
|
|
|
- var geometry = bufferGeometryCreator.create( attribArray, indexArray );
|
|
|
- var material = materialCreator.create( meshParams.material );
|
|
|
-
|
|
|
- var mesh = new THREE.Mesh( geometry, material );
|
|
|
- modelParts[ name ].add( mesh );
|
|
|
-
|
|
|
- //model.add(new THREE.Mesh(geometry, material));
|
|
|
-
|
|
|
- decodedMeshesPerUrl[ name ] ++;
|
|
|
-
|
|
|
- if ( decodedMeshesPerUrl[ name ] === expectedMeshesPerUrl[ name ] ) {
|
|
|
-
|
|
|
- nCompletedUrls ++;
|
|
|
-
|
|
|
- model.add( modelParts[ name ] );
|
|
|
-
|
|
|
- if ( nCompletedUrls === nExpectedUrls ) {
|
|
|
-
|
|
|
- // ALL DONE!!!
|
|
|
-
|
|
|
- allDoneCallback( model );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- return meshCallback;
|
|
|
-
|
|
|
-};
|
|
|
-
|
|
|
-THREE.UTF8Loader.prototype.downloadModel = function ( geometryBase, materialBase, model, callback ) {
|
|
|
-
|
|
|
- var meshCallback = this.createMeshCallback( materialBase, model, callback );
|
|
|
- this.downloadMeshes( geometryBase, model.urls, model.decodeParams, meshCallback );
|
|
|
-
|
|
|
-};
|
|
|
-
|
|
|
-THREE.UTF8Loader.prototype.downloadModelJson = function ( jsonUrl, callback, options ) {
|
|
|
-
|
|
|
- getJsonRequest( jsonUrl, function ( loaded ) {
|
|
|
-
|
|
|
- if ( ! loaded.decodeParams ) {
|
|
|
-
|
|
|
- if ( options && options.decodeParams ) {
|
|
|
-
|
|
|
- loaded.decodeParams = options.decodeParams;
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- loaded.decodeParams = DEFAULT_DECODE_PARAMS;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- loaded.options = options;
|
|
|
-
|
|
|
- var geometryBase = jsonUrl.substr( 0, jsonUrl.lastIndexOf( "/" ) + 1 );
|
|
|
- var materialBase = geometryBase;
|
|
|
-
|
|
|
- if ( options && options.geometryBase ) {
|
|
|
-
|
|
|
- geometryBase = options.geometryBase;
|
|
|
-
|
|
|
- if ( geometryBase.charAt( geometryBase.length - 1 ) !== "/" ) {
|
|
|
-
|
|
|
- geometryBase = geometryBase + "/";
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( options && options.materialBase ) {
|
|
|
-
|
|
|
- materialBase = options.materialBase;
|
|
|
-
|
|
|
- if ( materialBase.charAt( materialBase.length - 1 ) !== "/" ) {
|
|
|
-
|
|
|
- materialBase = materialBase + "/";
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- this.downloadModel( geometryBase, materialBase, loaded, callback );
|
|
|
-
|
|
|
- }.bind( this ) );
|
|
|
-
|
|
|
-};
|
|
|
-
|
|
|
-// XMLHttpRequest stuff
|
|
|
-
|
|
|
-function getHttpRequest( url, onload, opt_onprogress ) {
|
|
|
-
|
|
|
- var req = new THREE.FileLoader();
|
|
|
- req.load( url, onload, opt_onprogress );
|
|
|
-
|
|
|
-}
|
|
|
-
|
|
|
-function getJsonRequest( url, onjson ) {
|
|
|
-
|
|
|
- getHttpRequest( url, function ( e ) {
|
|
|
-
|
|
|
- onjson( JSON.parse( e ) );
|
|
|
-
|
|
|
- },
|
|
|
- function () {} );
|
|
|
-
|
|
|
-}
|
|
|
-
|
|
|
-function addListeners( dom, listeners ) {
|
|
|
-
|
|
|
- // TODO: handle event capture, object binding.
|
|
|
-
|
|
|
- for ( var key in listeners ) {
|
|
|
-
|
|
|
- dom.addEventListener( key, listeners[ key ] );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
-}
|