import { Sphere } from '../math/Sphere.js'; import { Vector3 } from '../math/Vector3.js'; import { BufferAttribute } from '../core/BufferAttribute.js'; import { BufferGeometry } from '../core/BufferGeometry.js'; import { FileLoader } from './FileLoader.js'; import { DefaultLoadingManager } from './LoadingManager.js'; /** * @author mrdoob / http://mrdoob.com/ */ function BufferGeometryLoader( manager ) { this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; } Object.assign( BufferGeometryLoader.prototype, { load: function ( url, onLoad, onProgress, onError ) { var scope = this; var loader = new FileLoader( scope.manager ); loader.setPath( scope.path ); loader.load( url, function ( text ) { onLoad( scope.parse( JSON.parse( text ) ) ); }, onProgress, onError ); }, parse: function ( json ) { var geometry = new BufferGeometry(); var index = json.data.index; if ( index !== undefined ) { var typedArray = new TYPED_ARRAYS[ index.type ]( index.array ); geometry.setIndex( new BufferAttribute( typedArray, 1 ) ); } var attributes = json.data.attributes; for ( var key in attributes ) { var attribute = attributes[ key ]; var typedArray = new TYPED_ARRAYS[ attribute.type ]( attribute.array ); geometry.addAttribute( key, new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ) ); } var groups = json.data.groups || json.data.drawcalls || json.data.offsets; if ( groups !== undefined ) { for ( var i = 0, n = groups.length; i !== n; ++ i ) { var group = groups[ i ]; geometry.addGroup( group.start, group.count, group.materialIndex ); } } var boundingSphere = json.data.boundingSphere; if ( boundingSphere !== undefined ) { var center = new Vector3(); if ( boundingSphere.center !== undefined ) { center.fromArray( boundingSphere.center ); } geometry.boundingSphere = new Sphere( center, boundingSphere.radius ); } return geometry; }, setPath: function ( value ) { this.path = value; return this; } } ); var TYPED_ARRAYS = { Int8Array: Int8Array, Uint8Array: Uint8Array, // Workaround for IE11 pre KB2929437. See #11440 Uint8ClampedArray: typeof Uint8ClampedArray !== 'undefined' ? Uint8ClampedArray : Uint8Array, Int16Array: Int16Array, Uint16Array: Uint16Array, Int32Array: Int32Array, Uint32Array: Uint32Array, Float32Array: Float32Array, Float64Array: Float64Array }; export { BufferGeometryLoader };