mirror of
https://github.com/DanielnetoDotCom/YouPHPTube
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921 lines
22 KiB
JavaScript
921 lines
22 KiB
JavaScript
THREE.BufferGeometryUtils = {
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computeTangents: function ( geometry ) {
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geometry.computeTangents();
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console.warn( 'THREE.BufferGeometryUtils: .computeTangents() has been removed. Use BufferGeometry.computeTangents() instead.' );
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},
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/**
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* @param {Array<THREE.BufferGeometry>} geometries
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* @param {Boolean} useGroups
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* @return {THREE.BufferGeometry}
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*/
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mergeBufferGeometries: function ( geometries, useGroups ) {
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var isIndexed = geometries[ 0 ].index !== null;
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var attributesUsed = new Set( Object.keys( geometries[ 0 ].attributes ) );
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var morphAttributesUsed = new Set( Object.keys( geometries[ 0 ].morphAttributes ) );
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var attributes = {};
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var morphAttributes = {};
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var morphTargetsRelative = geometries[ 0 ].morphTargetsRelative;
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var mergedGeometry = new THREE.BufferGeometry();
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var offset = 0;
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for ( var i = 0; i < geometries.length; ++ i ) {
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var geometry = geometries[ i ];
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var attributesCount = 0;
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// ensure that all geometries are indexed, or none
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if ( isIndexed !== ( geometry.index !== null ) ) {
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console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index ' + i + '. All geometries must have compatible attributes; make sure index attribute exists among all geometries, or in none of them.' );
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return null;
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}
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// gather attributes, exit early if they're different
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for ( var name in geometry.attributes ) {
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if ( ! attributesUsed.has( name ) ) {
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console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index ' + i + '. All geometries must have compatible attributes; make sure "' + name + '" attribute exists among all geometries, or in none of them.' );
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return null;
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}
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if ( attributes[ name ] === undefined ) attributes[ name ] = [];
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attributes[ name ].push( geometry.attributes[ name ] );
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attributesCount ++;
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}
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// ensure geometries have the same number of attributes
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if ( attributesCount !== attributesUsed.size ) {
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console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index ' + i + '. Make sure all geometries have the same number of attributes.' );
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return null;
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}
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// gather morph attributes, exit early if they're different
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if ( morphTargetsRelative !== geometry.morphTargetsRelative ) {
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console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index ' + i + '. .morphTargetsRelative must be consistent throughout all geometries.' );
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return null;
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}
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for ( var name in geometry.morphAttributes ) {
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if ( ! morphAttributesUsed.has( name ) ) {
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console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index ' + i + '. .morphAttributes must be consistent throughout all geometries.' );
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return null;
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}
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if ( morphAttributes[ name ] === undefined ) morphAttributes[ name ] = [];
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morphAttributes[ name ].push( geometry.morphAttributes[ name ] );
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}
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// gather .userData
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mergedGeometry.userData.mergedUserData = mergedGeometry.userData.mergedUserData || [];
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mergedGeometry.userData.mergedUserData.push( geometry.userData );
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if ( useGroups ) {
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var count;
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if ( isIndexed ) {
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count = geometry.index.count;
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} else if ( geometry.attributes.position !== undefined ) {
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count = geometry.attributes.position.count;
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} else {
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console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index ' + i + '. The geometry must have either an index or a position attribute' );
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return null;
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}
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mergedGeometry.addGroup( offset, count, i );
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offset += count;
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}
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}
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// merge indices
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if ( isIndexed ) {
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var indexOffset = 0;
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var mergedIndex = [];
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for ( var i = 0; i < geometries.length; ++ i ) {
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var index = geometries[ i ].index;
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for ( var j = 0; j < index.count; ++ j ) {
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mergedIndex.push( index.getX( j ) + indexOffset );
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}
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indexOffset += geometries[ i ].attributes.position.count;
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}
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mergedGeometry.setIndex( mergedIndex );
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}
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// merge attributes
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for ( var name in attributes ) {
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var mergedAttribute = this.mergeBufferAttributes( attributes[ name ] );
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if ( ! mergedAttribute ) {
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console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed while trying to merge the ' + name + ' attribute.' );
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return null;
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}
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mergedGeometry.setAttribute( name, mergedAttribute );
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}
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// merge morph attributes
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for ( var name in morphAttributes ) {
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var numMorphTargets = morphAttributes[ name ][ 0 ].length;
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if ( numMorphTargets === 0 ) break;
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mergedGeometry.morphAttributes = mergedGeometry.morphAttributes || {};
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mergedGeometry.morphAttributes[ name ] = [];
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for ( var i = 0; i < numMorphTargets; ++ i ) {
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var morphAttributesToMerge = [];
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for ( var j = 0; j < morphAttributes[ name ].length; ++ j ) {
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morphAttributesToMerge.push( morphAttributes[ name ][ j ][ i ] );
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}
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var mergedMorphAttribute = this.mergeBufferAttributes( morphAttributesToMerge );
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if ( ! mergedMorphAttribute ) {
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console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed while trying to merge the ' + name + ' morphAttribute.' );
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return null;
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}
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mergedGeometry.morphAttributes[ name ].push( mergedMorphAttribute );
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}
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}
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return mergedGeometry;
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},
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/**
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* @param {Array<THREE.BufferAttribute>} attributes
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* @return {THREE.BufferAttribute}
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*/
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mergeBufferAttributes: function ( attributes ) {
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var TypedArray;
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var itemSize;
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var normalized;
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var arrayLength = 0;
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for ( var i = 0; i < attributes.length; ++ i ) {
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var attribute = attributes[ i ];
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if ( attribute.isInterleavedBufferAttribute ) {
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console.error( 'THREE.BufferGeometryUtils: .mergeBufferAttributes() failed. InterleavedBufferAttributes are not supported.' );
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return null;
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}
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if ( TypedArray === undefined ) TypedArray = attribute.array.constructor;
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if ( TypedArray !== attribute.array.constructor ) {
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console.error( 'THREE.BufferGeometryUtils: .mergeBufferAttributes() failed. BufferAttribute.array must be of consistent array types across matching attributes.' );
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return null;
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}
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if ( itemSize === undefined ) itemSize = attribute.itemSize;
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if ( itemSize !== attribute.itemSize ) {
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console.error( 'THREE.BufferGeometryUtils: .mergeBufferAttributes() failed. BufferAttribute.itemSize must be consistent across matching attributes.' );
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return null;
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}
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if ( normalized === undefined ) normalized = attribute.normalized;
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if ( normalized !== attribute.normalized ) {
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console.error( 'THREE.BufferGeometryUtils: .mergeBufferAttributes() failed. BufferAttribute.normalized must be consistent across matching attributes.' );
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return null;
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}
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arrayLength += attribute.array.length;
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}
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var array = new TypedArray( arrayLength );
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var offset = 0;
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for ( var i = 0; i < attributes.length; ++ i ) {
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array.set( attributes[ i ].array, offset );
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offset += attributes[ i ].array.length;
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}
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return new THREE.BufferAttribute( array, itemSize, normalized );
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},
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/**
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* @param {Array<THREE.BufferAttribute>} attributes
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* @return {Array<THREE.InterleavedBufferAttribute>}
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*/
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interleaveAttributes: function ( attributes ) {
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// Interleaves the provided attributes into an InterleavedBuffer and returns
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// a set of InterleavedBufferAttributes for each attribute
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var TypedArray;
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var arrayLength = 0;
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var stride = 0;
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// calculate the the length and type of the interleavedBuffer
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for ( var i = 0, l = attributes.length; i < l; ++ i ) {
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var attribute = attributes[ i ];
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if ( TypedArray === undefined ) TypedArray = attribute.array.constructor;
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if ( TypedArray !== attribute.array.constructor ) {
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console.error( 'AttributeBuffers of different types cannot be interleaved' );
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return null;
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}
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arrayLength += attribute.array.length;
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stride += attribute.itemSize;
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}
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// Create the set of buffer attributes
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var interleavedBuffer = new THREE.InterleavedBuffer( new TypedArray( arrayLength ), stride );
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var offset = 0;
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var res = [];
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var getters = [ 'getX', 'getY', 'getZ', 'getW' ];
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var setters = [ 'setX', 'setY', 'setZ', 'setW' ];
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for ( var j = 0, l = attributes.length; j < l; j ++ ) {
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var attribute = attributes[ j ];
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var itemSize = attribute.itemSize;
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var count = attribute.count;
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var iba = new THREE.InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, attribute.normalized );
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res.push( iba );
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offset += itemSize;
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// Move the data for each attribute into the new interleavedBuffer
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// at the appropriate offset
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for ( var c = 0; c < count; c ++ ) {
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for ( var k = 0; k < itemSize; k ++ ) {
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iba[ setters[ k ] ]( c, attribute[ getters[ k ] ]( c ) );
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}
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}
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}
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return res;
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},
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/**
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* @param {Array<THREE.BufferGeometry>} geometry
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* @return {number}
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*/
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estimateBytesUsed: function ( geometry ) {
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// Return the estimated memory used by this geometry in bytes
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// Calculate using itemSize, count, and BYTES_PER_ELEMENT to account
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// for InterleavedBufferAttributes.
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var mem = 0;
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for ( var name in geometry.attributes ) {
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var attr = geometry.getAttribute( name );
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mem += attr.count * attr.itemSize * attr.array.BYTES_PER_ELEMENT;
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}
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var indices = geometry.getIndex();
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mem += indices ? indices.count * indices.itemSize * indices.array.BYTES_PER_ELEMENT : 0;
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return mem;
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},
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/**
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* @param {THREE.BufferGeometry} geometry
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* @param {number} tolerance
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* @return {THREE.BufferGeometry>}
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*/
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mergeVertices: function ( geometry, tolerance = 1e-4 ) {
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tolerance = Math.max( tolerance, Number.EPSILON );
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// Generate an index buffer if the geometry doesn't have one, or optimize it
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// if it's already available.
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var hashToIndex = {};
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var indices = geometry.getIndex();
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var positions = geometry.getAttribute( 'position' );
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var vertexCount = indices ? indices.count : positions.count;
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// next value for triangle indices
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var nextIndex = 0;
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// attributes and new attribute arrays
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var attributeNames = Object.keys( geometry.attributes );
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var attrArrays = {};
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var morphAttrsArrays = {};
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var newIndices = [];
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var getters = [ 'getX', 'getY', 'getZ', 'getW' ];
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// initialize the arrays
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for ( var i = 0, l = attributeNames.length; i < l; i ++ ) {
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var name = attributeNames[ i ];
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attrArrays[ name ] = [];
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var morphAttr = geometry.morphAttributes[ name ];
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if ( morphAttr ) {
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morphAttrsArrays[ name ] = new Array( morphAttr.length ).fill().map( () => [] );
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}
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}
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// convert the error tolerance to an amount of decimal places to truncate to
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var decimalShift = Math.log10( 1 / tolerance );
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var shiftMultiplier = Math.pow( 10, decimalShift );
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for ( var i = 0; i < vertexCount; i ++ ) {
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var index = indices ? indices.getX( i ) : i;
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// Generate a hash for the vertex attributes at the current index 'i'
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var hash = '';
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for ( var j = 0, l = attributeNames.length; j < l; j ++ ) {
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var name = attributeNames[ j ];
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var attribute = geometry.getAttribute( name );
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var itemSize = attribute.itemSize;
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for ( var k = 0; k < itemSize; k ++ ) {
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// double tilde truncates the decimal value
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hash += `${ ~ ~ ( attribute[ getters[ k ] ]( index ) * shiftMultiplier ) },`;
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}
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}
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// Add another reference to the vertex if it's already
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// used by another index
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if ( hash in hashToIndex ) {
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newIndices.push( hashToIndex[ hash ] );
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} else {
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// copy data to the new index in the attribute arrays
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for ( var j = 0, l = attributeNames.length; j < l; j ++ ) {
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var name = attributeNames[ j ];
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var attribute = geometry.getAttribute( name );
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var morphAttr = geometry.morphAttributes[ name ];
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var itemSize = attribute.itemSize;
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var newarray = attrArrays[ name ];
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var newMorphArrays = morphAttrsArrays[ name ];
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for ( var k = 0; k < itemSize; k ++ ) {
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var getterFunc = getters[ k ];
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newarray.push( attribute[ getterFunc ]( index ) );
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if ( morphAttr ) {
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for ( var m = 0, ml = morphAttr.length; m < ml; m ++ ) {
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newMorphArrays[ m ].push( morphAttr[ m ][ getterFunc ]( index ) );
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}
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}
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}
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}
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hashToIndex[ hash ] = nextIndex;
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newIndices.push( nextIndex );
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nextIndex ++;
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}
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}
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// Generate typed arrays from new attribute arrays and update
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// the attributeBuffers
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const result = geometry.clone();
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for ( var i = 0, l = attributeNames.length; i < l; i ++ ) {
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var name = attributeNames[ i ];
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var oldAttribute = geometry.getAttribute( name );
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var buffer = new oldAttribute.array.constructor( attrArrays[ name ] );
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var attribute = new THREE.BufferAttribute( buffer, oldAttribute.itemSize, oldAttribute.normalized );
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result.setAttribute( name, attribute );
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// Update the attribute arrays
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if ( name in morphAttrsArrays ) {
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for ( var j = 0; j < morphAttrsArrays[ name ].length; j ++ ) {
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var oldMorphAttribute = geometry.morphAttributes[ name ][ j ];
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var buffer = new oldMorphAttribute.array.constructor( morphAttrsArrays[ name ][ j ] );
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var morphAttribute = new THREE.BufferAttribute( buffer, oldMorphAttribute.itemSize, oldMorphAttribute.normalized );
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result.morphAttributes[ name ][ j ] = morphAttribute;
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}
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}
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}
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// indices
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result.setIndex( newIndices );
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return result;
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},
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/**
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* @param {THREE.BufferGeometry} geometry
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* @param {number} drawMode
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* @return {THREE.BufferGeometry>}
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*/
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toTrianglesDrawMode: function ( geometry, drawMode ) {
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if ( drawMode === THREE.TrianglesDrawMode ) {
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console.warn( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Geometry already defined as triangles.' );
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return geometry;
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}
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if ( drawMode === THREE.TriangleFanDrawMode || drawMode === THREE.TriangleStripDrawMode ) {
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var index = geometry.getIndex();
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// generate index if not present
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if ( index === null ) {
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var indices = [];
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var position = geometry.getAttribute( 'position' );
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if ( position !== undefined ) {
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for ( var i = 0; i < position.count; i ++ ) {
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indices.push( i );
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}
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geometry.setIndex( indices );
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index = geometry.getIndex();
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} else {
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console.error( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Undefined position attribute. Processing not possible.' );
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return geometry;
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}
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}
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//
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var numberOfTriangles = index.count - 2;
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var newIndices = [];
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if ( drawMode === THREE.TriangleFanDrawMode ) {
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// gl.TRIANGLE_FAN
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for ( var i = 1; i <= numberOfTriangles; i ++ ) {
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newIndices.push( index.getX( 0 ) );
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newIndices.push( index.getX( i ) );
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newIndices.push( index.getX( i + 1 ) );
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}
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} else {
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// gl.TRIANGLE_STRIP
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for ( var i = 0; i < numberOfTriangles; i ++ ) {
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if ( i % 2 === 0 ) {
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newIndices.push( index.getX( i ) );
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newIndices.push( index.getX( i + 1 ) );
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newIndices.push( index.getX( i + 2 ) );
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} else {
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newIndices.push( index.getX( i + 2 ) );
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newIndices.push( index.getX( i + 1 ) );
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newIndices.push( index.getX( i ) );
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}
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}
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}
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if ( ( newIndices.length / 3 ) !== numberOfTriangles ) {
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console.error( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unable to generate correct amount of triangles.' );
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}
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|
|
// build final geometry
|
|
|
|
var newGeometry = geometry.clone();
|
|
newGeometry.setIndex( newIndices );
|
|
newGeometry.clearGroups();
|
|
|
|
return newGeometry;
|
|
|
|
} else {
|
|
|
|
console.error( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unknown draw mode:', drawMode );
|
|
return geometry;
|
|
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Calculates the morphed attributes of a morphed/skinned BufferGeometry.
|
|
* Helpful for Raytracing or Decals.
|
|
* @param {Mesh | Line | Points} object An instance of Mesh, Line or Points.
|
|
* @return {Object} An Object with original position/normal attributes and morphed ones.
|
|
*/
|
|
computeMorphedAttributes: function ( object ) {
|
|
|
|
if ( object.geometry.isBufferGeometry !== true ) {
|
|
|
|
console.error( 'THREE.BufferGeometryUtils: Geometry is not of type THREE.BufferGeometry.' );
|
|
return null;
|
|
|
|
}
|
|
|
|
var _vA = new THREE.Vector3();
|
|
var _vB = new THREE.Vector3();
|
|
var _vC = new THREE.Vector3();
|
|
|
|
var _tempA = new THREE.Vector3();
|
|
var _tempB = new THREE.Vector3();
|
|
var _tempC = new THREE.Vector3();
|
|
|
|
var _morphA = new THREE.Vector3();
|
|
var _morphB = new THREE.Vector3();
|
|
var _morphC = new THREE.Vector3();
|
|
|
|
function _calculateMorphedAttributeData(
|
|
object,
|
|
material,
|
|
attribute,
|
|
morphAttribute,
|
|
morphTargetsRelative,
|
|
a,
|
|
b,
|
|
c,
|
|
modifiedAttributeArray
|
|
) {
|
|
|
|
_vA.fromBufferAttribute( attribute, a );
|
|
_vB.fromBufferAttribute( attribute, b );
|
|
_vC.fromBufferAttribute( attribute, c );
|
|
|
|
var morphInfluences = object.morphTargetInfluences;
|
|
|
|
if ( material.morphTargets && morphAttribute && morphInfluences ) {
|
|
|
|
_morphA.set( 0, 0, 0 );
|
|
_morphB.set( 0, 0, 0 );
|
|
_morphC.set( 0, 0, 0 );
|
|
|
|
for ( var i = 0, il = morphAttribute.length; i < il; i ++ ) {
|
|
|
|
var influence = morphInfluences[ i ];
|
|
var morphAttribute = morphAttribute[ i ];
|
|
|
|
if ( influence === 0 ) continue;
|
|
|
|
_tempA.fromBufferAttribute( morphAttribute, a );
|
|
_tempB.fromBufferAttribute( morphAttribute, b );
|
|
_tempC.fromBufferAttribute( morphAttribute, c );
|
|
|
|
if ( morphTargetsRelative ) {
|
|
|
|
_morphA.addScaledVector( _tempA, influence );
|
|
_morphB.addScaledVector( _tempB, influence );
|
|
_morphC.addScaledVector( _tempC, influence );
|
|
|
|
} else {
|
|
|
|
_morphA.addScaledVector( _tempA.sub( _vA ), influence );
|
|
_morphB.addScaledVector( _tempB.sub( _vB ), influence );
|
|
_morphC.addScaledVector( _tempC.sub( _vC ), influence );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
_vA.add( _morphA );
|
|
_vB.add( _morphB );
|
|
_vC.add( _morphC );
|
|
|
|
}
|
|
|
|
if ( object.isSkinnedMesh ) {
|
|
|
|
object.boneTransform( a, _vA );
|
|
object.boneTransform( b, _vB );
|
|
object.boneTransform( c, _vC );
|
|
|
|
}
|
|
|
|
modifiedAttributeArray[ a * 3 + 0 ] = _vA.x;
|
|
modifiedAttributeArray[ a * 3 + 1 ] = _vA.y;
|
|
modifiedAttributeArray[ a * 3 + 2 ] = _vA.z;
|
|
modifiedAttributeArray[ b * 3 + 0 ] = _vB.x;
|
|
modifiedAttributeArray[ b * 3 + 1 ] = _vB.y;
|
|
modifiedAttributeArray[ b * 3 + 2 ] = _vB.z;
|
|
modifiedAttributeArray[ c * 3 + 0 ] = _vC.x;
|
|
modifiedAttributeArray[ c * 3 + 1 ] = _vC.y;
|
|
modifiedAttributeArray[ c * 3 + 2 ] = _vC.z;
|
|
|
|
}
|
|
|
|
var geometry = object.geometry;
|
|
var material = object.material;
|
|
|
|
var a, b, c;
|
|
var index = geometry.index;
|
|
var positionAttribute = geometry.attributes.position;
|
|
var morphPosition = geometry.morphAttributes.position;
|
|
var morphTargetsRelative = geometry.morphTargetsRelative;
|
|
var normalAttribute = geometry.attributes.normal;
|
|
var morphNormal = geometry.morphAttributes.position;
|
|
|
|
var groups = geometry.groups;
|
|
var drawRange = geometry.drawRange;
|
|
var i, j, il, jl;
|
|
var group, groupMaterial;
|
|
var start, end;
|
|
|
|
var modifiedPosition = new Float32Array( positionAttribute.count * positionAttribute.itemSize );
|
|
var modifiedNormal = new Float32Array( normalAttribute.count * normalAttribute.itemSize );
|
|
|
|
if ( index !== null ) {
|
|
|
|
// indexed buffer geometry
|
|
|
|
if ( Array.isArray( material ) ) {
|
|
|
|
for ( i = 0, il = groups.length; i < il; i ++ ) {
|
|
|
|
group = groups[ i ];
|
|
groupMaterial = material[ group.materialIndex ];
|
|
|
|
start = Math.max( group.start, drawRange.start );
|
|
end = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) );
|
|
|
|
for ( j = start, jl = end; j < jl; j += 3 ) {
|
|
|
|
a = index.getX( j );
|
|
b = index.getX( j + 1 );
|
|
c = index.getX( j + 2 );
|
|
|
|
_calculateMorphedAttributeData(
|
|
object,
|
|
groupMaterial,
|
|
positionAttribute,
|
|
morphPosition,
|
|
morphTargetsRelative,
|
|
a, b, c,
|
|
modifiedPosition
|
|
);
|
|
|
|
_calculateMorphedAttributeData(
|
|
object,
|
|
groupMaterial,
|
|
normalAttribute,
|
|
morphNormal,
|
|
morphTargetsRelative,
|
|
a, b, c,
|
|
modifiedNormal
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
start = Math.max( 0, drawRange.start );
|
|
end = Math.min( index.count, ( drawRange.start + drawRange.count ) );
|
|
|
|
for ( i = start, il = end; i < il; i += 3 ) {
|
|
|
|
a = index.getX( i );
|
|
b = index.getX( i + 1 );
|
|
c = index.getX( i + 2 );
|
|
|
|
_calculateMorphedAttributeData(
|
|
object,
|
|
material,
|
|
positionAttribute,
|
|
morphPosition,
|
|
morphTargetsRelative,
|
|
a, b, c,
|
|
modifiedPosition
|
|
);
|
|
|
|
_calculateMorphedAttributeData(
|
|
object,
|
|
material,
|
|
normalAttribute,
|
|
morphNormal,
|
|
morphTargetsRelative,
|
|
a, b, c,
|
|
modifiedNormal
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else if ( positionAttribute !== undefined ) {
|
|
|
|
// non-indexed buffer geometry
|
|
|
|
if ( Array.isArray( material ) ) {
|
|
|
|
for ( i = 0, il = groups.length; i < il; i ++ ) {
|
|
|
|
group = groups[ i ];
|
|
groupMaterial = material[ group.materialIndex ];
|
|
|
|
start = Math.max( group.start, drawRange.start );
|
|
end = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) );
|
|
|
|
for ( j = start, jl = end; j < jl; j += 3 ) {
|
|
|
|
a = j;
|
|
b = j + 1;
|
|
c = j + 2;
|
|
|
|
_calculateMorphedAttributeData(
|
|
object,
|
|
groupMaterial,
|
|
positionAttribute,
|
|
morphPosition,
|
|
morphTargetsRelative,
|
|
a, b, c,
|
|
modifiedPosition
|
|
);
|
|
|
|
_calculateMorphedAttributeData(
|
|
object,
|
|
groupMaterial,
|
|
normalAttribute,
|
|
morphNormal,
|
|
morphTargetsRelative,
|
|
a, b, c,
|
|
modifiedNormal
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
start = Math.max( 0, drawRange.start );
|
|
end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );
|
|
|
|
for ( i = start, il = end; i < il; i += 3 ) {
|
|
|
|
a = i;
|
|
b = i + 1;
|
|
c = i + 2;
|
|
|
|
_calculateMorphedAttributeData(
|
|
object,
|
|
material,
|
|
positionAttribute,
|
|
morphPosition,
|
|
morphTargetsRelative,
|
|
a, b, c,
|
|
modifiedPosition
|
|
);
|
|
|
|
_calculateMorphedAttributeData(
|
|
object,
|
|
material,
|
|
normalAttribute,
|
|
morphNormal,
|
|
morphTargetsRelative,
|
|
a, b, c,
|
|
modifiedNormal
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
var morphedPositionAttribute = new THREE.Float32BufferAttribute( modifiedPosition, 3 );
|
|
var morphedNormalAttribute = new THREE.Float32BufferAttribute( modifiedNormal, 3 );
|
|
|
|
return {
|
|
|
|
positionAttribute: positionAttribute,
|
|
normalAttribute: normalAttribute,
|
|
morphedPositionAttribute: morphedPositionAttribute,
|
|
morphedNormalAttribute: morphedNormalAttribute
|
|
|
|
};
|
|
|
|
}
|
|
|
|
};
|