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/**
* @author mrdoob / http://mrdoob.com/
* @author Mugen87 / https://github.com/Mugen87
*/
THREE.PlayCanvasLoader = function ( manager ) {
this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
};
THREE.PlayCanvasLoader.prototype = {
constructor: THREE.PlayCanvasLoader,
load: function ( url, onLoad, onProgress, onError ) {
var scope = this;
var loader = new THREE.FileLoader( scope.manager );
loader.setPath( scope.path );
loader.load( url, function ( text ) {
onLoad( scope.parse( JSON.parse( text ) ) );
}, onProgress, onError );
},
setPath: function ( value ) {
this.path = value;
return this;
},
parse: function ( json ) {
function parseVertices( data ) {
var attributes = {};
// create a buffer attribute for each array that contains vertex information
for ( var name in data ) {
var array = data[ name ];
var type = array.type;
var size = array.components;
var attribute;
switch ( type ) {
case 'float32':
attribute = new THREE.Float32BufferAttribute( array.data, size );
break;
case 'uint8':
attribute = new THREE.Uint8BufferAttribute( array.data, size );
break;
case 'uint16':
attribute = new THREE.Uint16BufferAttribute( array.data, size );
break;
default:
console.log( 'THREE.PlayCanvasLoader: Array type "%s" not yet supported.', type );
}
attributes[ name ] = attribute;
}
data._attributes = attributes;
}
function parseMeshes( data ) {
// create buffer geometry
var geometry = new THREE.BufferGeometry();
geometry.setIndex( data.indices );
var attributes = model.vertices[ data.vertices ]._attributes;
for ( var name in attributes ) {
var attribute = attributes[ name ];
if ( name === 'texCoord0' ) name = 'uv';
geometry.addAttribute( name, attribute );
}
data._geometry = geometry;
}
function parseMeshInstances( data ) {
var node = model.nodes[ data.node ];
var mesh = model.meshes[ data.mesh ];
if ( node._geometries === undefined ) {
node._geometries = [];
}
node._geometries.push( mesh._geometry );
}
function parseNodes( data ) {
var object = new THREE.Group();
var geometries = data._geometries;
if ( geometries !== undefined ) {
var material = new THREE.MeshPhongMaterial();
for ( var i = 0, l = geometries.length; i < l; i ++ ) {
var geometry = geometries[ i ];
object.add( new THREE.Mesh( geometry, material ) );
}
}
for ( var i = 0, l = data.rotation.length; i < l; i ++ ) {
data.rotation[ i ] *= Math.PI / 180;
}
//
object.name = data.name;
object.position.fromArray( data.position );
object.quaternion.setFromEuler( new THREE.Euler().fromArray( data.rotation ) );
object.scale.fromArray( data.scale );
data._object = object;
}
//
var model = json.model;
for ( var i = 0, l = model.vertices.length; i < l; i ++ ) {
parseVertices( model.vertices[ i ] );
}
for ( var i = 0, l = model.meshes.length; i < l; i ++ ) {
parseMeshes( model.meshes[ i ] );
}
for ( var i = 0, l = model.meshInstances.length; i < l; i ++ ) {
parseMeshInstances( model.meshInstances[ i ] );
}
for ( var i = 0, l = model.nodes.length; i < l; i ++ ) {
parseNodes( model.nodes[ i ] );
}
// setup scene hierarchy
for ( var i = 0, l = model.parents.length; i < l; i ++ ) {
var parent = model.parents[ i ];
if ( parent === - 1 ) continue;
model.nodes[ parent ]._object.add( model.nodes[ i ]._object );
}
return model.nodes[ 0 ]._object;
}
};
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