mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-08-23 05:40:44 +02:00
442 lines
8.4 KiB
JavaScript
442 lines
8.4 KiB
JavaScript
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/**
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* @author mrdoob / http://mrdoob.com/
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*/
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var Loader = function ( editor ) {
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var scope = this;
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var signals = editor.signals;
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this.loadFile = function ( file ) {
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var filename = file.name;
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var extension = filename.split( '.' ).pop().toLowerCase();
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switch ( extension ) {
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case 'awd':
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var loader = new THREE.AWDLoader();
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var scene = loader.parse( event.target.result );
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editor.setScene( scene );
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}, false );
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reader.readAsArrayBuffer( file );
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break;
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case 'babylon':
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var contents = event.target.result;
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var json = JSON.parse( contents );
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var loader = new THREE.BabylonLoader();
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var scene = loader.parse( json );
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editor.setScene( scene );
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}, false );
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reader.readAsText( file );
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break;
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case 'babylonmeshdata':
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var contents = event.target.result;
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var json = JSON.parse( contents );
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var loader = new THREE.BabylonLoader();
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var geometry = loader.parseGeometry( json );
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var material = new THREE.MeshPhongMaterial();
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var mesh = new THREE.Mesh( geometry, material );
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mesh.name = filename;
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editor.addObject( mesh );
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editor.select( mesh );
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}, false );
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reader.readAsText( file );
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break;
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case 'ctm':
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var data = new Uint8Array( event.target.result );
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var stream = new CTM.Stream( data );
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stream.offset = 0;
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var loader = new THREE.CTMLoader();
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loader.createModel( new CTM.File( stream ), function( geometry ) {
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geometry.sourceType = "ctm";
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geometry.sourceFile = file.name;
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var material = new THREE.MeshPhongMaterial();
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var mesh = new THREE.Mesh( geometry, material );
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mesh.name = filename;
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editor.addObject( mesh );
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editor.select( mesh );
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} );
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}, false );
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reader.readAsArrayBuffer( file );
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break;
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case 'dae':
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var contents = event.target.result;
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var parser = new DOMParser();
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var xml = parser.parseFromString( contents, 'text/xml' );
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var loader = new THREE.ColladaLoader();
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loader.parse( xml, function ( collada ) {
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collada.scene.name = filename;
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editor.addObject( collada.scene );
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editor.select( collada.scene );
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} );
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}, false );
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reader.readAsText( file );
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break;
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case 'js':
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case 'json':
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case '3geo':
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case '3mat':
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case '3obj':
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case '3scn':
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var contents = event.target.result;
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// 2.0
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if ( contents.indexOf( 'postMessage' ) !== -1 ) {
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var blob = new Blob( [ contents ], { type: 'text/javascript' } );
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var url = URL.createObjectURL( blob );
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var worker = new Worker( url );
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worker.onmessage = function ( event ) {
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event.data.metadata = { version: 2 };
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handleJSON( event.data, file, filename );
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};
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worker.postMessage( Date.now() );
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return;
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}
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// >= 3.0
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var data;
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try {
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data = JSON.parse( contents );
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} catch ( error ) {
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alert( error );
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return;
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}
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handleJSON( data, file, filename );
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}, false );
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reader.readAsText( file );
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break;
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case 'obj':
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var contents = event.target.result;
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var object = new THREE.OBJLoader().parse( contents );
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object.name = filename;
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editor.addObject( object );
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editor.select( object );
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}, false );
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reader.readAsText( file );
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break;
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case 'ply':
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var contents = event.target.result;
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var geometry = new THREE.PLYLoader().parse( contents );
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geometry.sourceType = "ply";
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geometry.sourceFile = file.name;
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var material = new THREE.MeshPhongMaterial();
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var mesh = new THREE.Mesh( geometry, material );
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mesh.name = filename;
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editor.addObject( mesh );
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editor.select( mesh );
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}, false );
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reader.readAsText( file );
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break;
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case 'stl':
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var contents = event.target.result;
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var geometry = new THREE.STLLoader().parse( contents );
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geometry.sourceType = "stl";
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geometry.sourceFile = file.name;
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var material = new THREE.MeshPhongMaterial();
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var mesh = new THREE.Mesh( geometry, material );
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mesh.name = filename;
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editor.addObject( mesh );
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editor.select( mesh );
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}, false );
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if ( reader.readAsBinaryString !== undefined ) {
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reader.readAsBinaryString( file );
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} else {
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reader.readAsArrayBuffer( file );
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}
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break;
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/*
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case 'utf8':
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var contents = event.target.result;
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var geometry = new THREE.UTF8Loader().parse( contents );
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var material = new THREE.MeshLambertMaterial();
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var mesh = new THREE.Mesh( geometry, material );
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editor.addObject( mesh );
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editor.select( mesh );
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}, false );
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reader.readAsBinaryString( file );
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break;
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*/
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case 'vtk':
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var contents = event.target.result;
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var geometry = new THREE.VTKLoader().parse( contents );
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geometry.sourceType = "vtk";
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geometry.sourceFile = file.name;
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var material = new THREE.MeshPhongMaterial();
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var mesh = new THREE.Mesh( geometry, material );
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mesh.name = filename;
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editor.addObject( mesh );
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editor.select( mesh );
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}, false );
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reader.readAsText( file );
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break;
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case 'wrl':
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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var contents = event.target.result;
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var result = new THREE.VRMLLoader().parse( contents );
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editor.setScene( result );
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}, false );
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reader.readAsText( file );
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break;
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default:
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alert( 'Unsupported file format (' + extension + ').' );
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break;
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}
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}
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var handleJSON = function ( data, file, filename ) {
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if ( data.metadata === undefined ) { // 2.0
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data.metadata = { type: 'Geometry' };
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}
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if ( data.metadata.type === undefined ) { // 3.0
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data.metadata.type = 'Geometry';
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}
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if ( data.metadata.version === undefined ) {
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data.metadata.version = data.metadata.formatVersion;
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}
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if ( data.metadata.type === 'BufferGeometry' ) {
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var loader = new THREE.BufferGeometryLoader();
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var result = loader.parse( data );
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var mesh = new THREE.Mesh( result );
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editor.addObject( mesh );
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editor.select( mesh );
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} else if ( data.metadata.type.toLowerCase() === 'geometry' ) {
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var loader = new THREE.JSONLoader();
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var result = loader.parse( data );
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var geometry = result.geometry;
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var material;
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if ( result.materials !== undefined ) {
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if ( result.materials.length > 1 ) {
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material = new THREE.MeshFaceMaterial( result.materials );
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} else {
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material = result.materials[ 0 ];
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}
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} else {
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material = new THREE.MeshPhongMaterial();
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}
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geometry.sourceType = "ascii";
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geometry.sourceFile = file.name;
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var mesh;
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if ( geometry.animation && geometry.animation.hierarchy ) {
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mesh = new THREE.SkinnedMesh( geometry, material );
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} else {
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mesh = new THREE.Mesh( geometry, material );
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}
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mesh.name = filename;
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editor.addObject( mesh );
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editor.select( mesh );
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} else if ( data.metadata.type.toLowerCase() === 'object' ) {
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var loader = new THREE.ObjectLoader();
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var result = loader.parse( data );
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if ( result instanceof THREE.Scene ) {
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editor.setScene( result );
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} else {
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editor.addObject( result );
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editor.select( result );
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}
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} else if ( data.metadata.type.toLowerCase() === 'scene' ) {
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// DEPRECATED
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var loader = new THREE.SceneLoader();
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loader.parse( data, function ( result ) {
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editor.setScene( result.scene );
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}, '' );
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}
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};
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}
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