fireball/lib/loaders/ObjectLoader.js

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JavaScript
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2018-12-25 13:59:22 +00:00
import {
UVMapping,
CubeReflectionMapping,
CubeRefractionMapping,
EquirectangularReflectionMapping,
EquirectangularRefractionMapping,
SphericalReflectionMapping,
CubeUVReflectionMapping,
CubeUVRefractionMapping,
RepeatWrapping,
ClampToEdgeWrapping,
MirroredRepeatWrapping,
NearestFilter,
NearestMipMapNearestFilter,
NearestMipMapLinearFilter,
LinearFilter,
LinearMipMapNearestFilter,
LinearMipMapLinearFilter
} from '../constants.js';
import { Color } from '../math/Color.js';
import { Object3D } from '../core/Object3D.js';
import { Group } from '../objects/Group.js';
import { Sprite } from '../objects/Sprite.js';
import { Points } from '../objects/Points.js';
import { Line } from '../objects/Line.js';
import { LineLoop } from '../objects/LineLoop.js';
import { LineSegments } from '../objects/LineSegments.js';
import { LOD } from '../objects/LOD.js';
import { Mesh } from '../objects/Mesh.js';
import { SkinnedMesh } from '../objects/SkinnedMesh.js';
import { Shape } from '../extras/core/Shape.js';
import { Fog } from '../scenes/Fog.js';
import { FogExp2 } from '../scenes/FogExp2.js';
import { HemisphereLight } from '../lights/HemisphereLight.js';
import { SpotLight } from '../lights/SpotLight.js';
import { PointLight } from '../lights/PointLight.js';
import { DirectionalLight } from '../lights/DirectionalLight.js';
import { AmbientLight } from '../lights/AmbientLight.js';
import { RectAreaLight } from '../lights/RectAreaLight.js';
import { OrthographicCamera } from '../cameras/OrthographicCamera.js';
import { PerspectiveCamera } from '../cameras/PerspectiveCamera.js';
import { Scene } from '../scenes/Scene.js';
import { CubeTexture } from '../textures/CubeTexture.js';
import { Texture } from '../textures/Texture.js';
import { ImageLoader } from './ImageLoader.js';
import { LoadingManager, DefaultLoadingManager } from './LoadingManager.js';
import { AnimationClip } from '../animation/AnimationClip.js';
import { MaterialLoader } from './MaterialLoader.js';
import { LoaderUtils } from './LoaderUtils.js';
import { BufferGeometryLoader } from './BufferGeometryLoader.js';
import { JSONLoader } from './JSONLoader.js';
import { FileLoader } from './FileLoader.js';
import * as Geometries from '../geometries/Geometries.js';
import * as Curves from '../extras/curves/Curves.js';
/**
* @author mrdoob / http://mrdoob.com/
*/
function ObjectLoader( manager ) {
this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
this.resourcePath = '';
}
Object.assign( ObjectLoader.prototype, {
crossOrigin: 'anonymous',
load: function ( url, onLoad, onProgress, onError ) {
var scope = this;
var path = ( this.path === undefined ) ? LoaderUtils.extractUrlBase( url ) : this.path;
this.resourcePath = this.resourcePath || path;
var loader = new FileLoader( scope.manager );
loader.setPath( this.path );
loader.load( url, function ( text ) {
var json = null;
try {
json = JSON.parse( text );
} catch ( error ) {
if ( onError !== undefined ) onError( error );
console.error( 'THREE:ObjectLoader: Can\'t parse ' + url + '.', error.message );
return;
}
var metadata = json.metadata;
if ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {
console.error( 'THREE.ObjectLoader: Can\'t load ' + url + '. Use THREE.JSONLoader instead.' );
return;
}
scope.parse( json, onLoad );
}, onProgress, onError );
},
setPath: function ( value ) {
this.path = value;
return this;
},
setResourcePath: function ( value ) {
this.resourcePath = value;
return this;
},
setCrossOrigin: function ( value ) {
this.crossOrigin = value;
return this;
},
parse: function ( json, onLoad ) {
var shapes = this.parseShape( json.shapes );
var geometries = this.parseGeometries( json.geometries, shapes );
var images = this.parseImages( json.images, function () {
if ( onLoad !== undefined ) onLoad( object );
} );
var textures = this.parseTextures( json.textures, images );
var materials = this.parseMaterials( json.materials, textures );
var object = this.parseObject( json.object, geometries, materials );
if ( json.animations ) {
object.animations = this.parseAnimations( json.animations );
}
if ( json.images === undefined || json.images.length === 0 ) {
if ( onLoad !== undefined ) onLoad( object );
}
return object;
},
parseShape: function ( json ) {
var shapes = {};
if ( json !== undefined ) {
for ( var i = 0, l = json.length; i < l; i ++ ) {
var shape = new Shape().fromJSON( json[ i ] );
shapes[ shape.uuid ] = shape;
}
}
return shapes;
},
parseGeometries: function ( json, shapes ) {
var geometries = {};
if ( json !== undefined ) {
var geometryLoader = new JSONLoader();
var bufferGeometryLoader = new BufferGeometryLoader();
for ( var i = 0, l = json.length; i < l; i ++ ) {
var geometry;
var data = json[ i ];
switch ( data.type ) {
case 'PlaneGeometry':
case 'PlaneBufferGeometry':
geometry = new Geometries[ data.type ](
data.width,
data.height,
data.widthSegments,
data.heightSegments
);
break;
case 'BoxGeometry':
case 'BoxBufferGeometry':
case 'CubeGeometry': // backwards compatible
geometry = new Geometries[ data.type ](
data.width,
data.height,
data.depth,
data.widthSegments,
data.heightSegments,
data.depthSegments
);
break;
case 'CircleGeometry':
case 'CircleBufferGeometry':
geometry = new Geometries[ data.type ](
data.radius,
data.segments,
data.thetaStart,
data.thetaLength
);
break;
case 'CylinderGeometry':
case 'CylinderBufferGeometry':
geometry = new Geometries[ data.type ](
data.radiusTop,
data.radiusBottom,
data.height,
data.radialSegments,
data.heightSegments,
data.openEnded,
data.thetaStart,
data.thetaLength
);
break;
case 'ConeGeometry':
case 'ConeBufferGeometry':
geometry = new Geometries[ data.type ](
data.radius,
data.height,
data.radialSegments,
data.heightSegments,
data.openEnded,
data.thetaStart,
data.thetaLength
);
break;
case 'SphereGeometry':
case 'SphereBufferGeometry':
geometry = new Geometries[ data.type ](
data.radius,
data.widthSegments,
data.heightSegments,
data.phiStart,
data.phiLength,
data.thetaStart,
data.thetaLength
);
break;
case 'DodecahedronGeometry':
case 'DodecahedronBufferGeometry':
case 'IcosahedronGeometry':
case 'IcosahedronBufferGeometry':
case 'OctahedronGeometry':
case 'OctahedronBufferGeometry':
case 'TetrahedronGeometry':
case 'TetrahedronBufferGeometry':
geometry = new Geometries[ data.type ](
data.radius,
data.detail
);
break;
case 'RingGeometry':
case 'RingBufferGeometry':
geometry = new Geometries[ data.type ](
data.innerRadius,
data.outerRadius,
data.thetaSegments,
data.phiSegments,
data.thetaStart,
data.thetaLength
);
break;
case 'TorusGeometry':
case 'TorusBufferGeometry':
geometry = new Geometries[ data.type ](
data.radius,
data.tube,
data.radialSegments,
data.tubularSegments,
data.arc
);
break;
case 'TorusKnotGeometry':
case 'TorusKnotBufferGeometry':
geometry = new Geometries[ data.type ](
data.radius,
data.tube,
data.tubularSegments,
data.radialSegments,
data.p,
data.q
);
break;
case 'LatheGeometry':
case 'LatheBufferGeometry':
geometry = new Geometries[ data.type ](
data.points,
data.segments,
data.phiStart,
data.phiLength
);
break;
case 'PolyhedronGeometry':
case 'PolyhedronBufferGeometry':
geometry = new Geometries[ data.type ](
data.vertices,
data.indices,
data.radius,
data.details
);
break;
case 'ShapeGeometry':
case 'ShapeBufferGeometry':
var geometryShapes = [];
for ( var j = 0, jl = data.shapes.length; j < jl; j ++ ) {
var shape = shapes[ data.shapes[ j ] ];
geometryShapes.push( shape );
}
geometry = new Geometries[ data.type ](
geometryShapes,
data.curveSegments
);
break;
case 'ExtrudeGeometry':
case 'ExtrudeBufferGeometry':
var geometryShapes = [];
for ( var j = 0, jl = data.shapes.length; j < jl; j ++ ) {
var shape = shapes[ data.shapes[ j ] ];
geometryShapes.push( shape );
}
var extrudePath = data.options.extrudePath;
if ( extrudePath !== undefined ) {
data.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath );
}
geometry = new Geometries[ data.type ](
geometryShapes,
data.options
);
break;
case 'BufferGeometry':
geometry = bufferGeometryLoader.parse( data );
break;
case 'Geometry':
geometry = geometryLoader.parse( data, this.resourcePath ).geometry;
break;
default:
console.warn( 'THREE.ObjectLoader: Unsupported geometry type "' + data.type + '"' );
continue;
}
geometry.uuid = data.uuid;
if ( data.name !== undefined ) geometry.name = data.name;
if ( geometry.isBufferGeometry === true && data.userData !== undefined ) geometry.userData = data.userData;
geometries[ data.uuid ] = geometry;
}
}
return geometries;
},
parseMaterials: function ( json, textures ) {
var materials = {};
if ( json !== undefined ) {
var loader = new MaterialLoader();
loader.setTextures( textures );
for ( var i = 0, l = json.length; i < l; i ++ ) {
var data = json[ i ];
if ( data.type === 'MultiMaterial' ) {
// Deprecated
var array = [];
for ( var j = 0; j < data.materials.length; j ++ ) {
array.push( loader.parse( data.materials[ j ] ) );
}
materials[ data.uuid ] = array;
} else {
materials[ data.uuid ] = loader.parse( data );
}
}
}
return materials;
},
parseAnimations: function ( json ) {
var animations = [];
for ( var i = 0; i < json.length; i ++ ) {
var data = json[ i ];
var clip = AnimationClip.parse( data );
if ( data.uuid !== undefined ) clip.uuid = data.uuid;
animations.push( clip );
}
return animations;
},
parseImages: function ( json, onLoad ) {
var scope = this;
var images = {};
function loadImage( url ) {
scope.manager.itemStart( url );
return loader.load( url, function () {
scope.manager.itemEnd( url );
}, undefined, function () {
scope.manager.itemEnd( url );
scope.manager.itemError( url );
} );
}
if ( json !== undefined && json.length > 0 ) {
var manager = new LoadingManager( onLoad );
var loader = new ImageLoader( manager );
loader.setCrossOrigin( this.crossOrigin );
for ( var i = 0, il = json.length; i < il; i ++ ) {
var image = json[ i ];
var url = image.url;
if ( Array.isArray( url ) ) {
// load array of images e.g CubeTexture
images[ image.uuid ] = [];
for ( var j = 0, jl = url.length; j < jl; j ++ ) {
var currentUrl = url[ j ];
var path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( currentUrl ) ? currentUrl : scope.resourcePath + currentUrl;
images[ image.uuid ].push( loadImage( path ) );
}
} else {
// load single image
var path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( image.url ) ? image.url : scope.resourcePath + image.url;
images[ image.uuid ] = loadImage( path );
}
}
}
return images;
},
parseTextures: function ( json, images ) {
function parseConstant( value, type ) {
if ( typeof value === 'number' ) return value;
console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );
return type[ value ];
}
var textures = {};
if ( json !== undefined ) {
for ( var i = 0, l = json.length; i < l; i ++ ) {
var data = json[ i ];
if ( data.image === undefined ) {
console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid );
}
if ( images[ data.image ] === undefined ) {
console.warn( 'THREE.ObjectLoader: Undefined image', data.image );
}
var texture;
if ( Array.isArray( images[ data.image ] ) ) {
texture = new CubeTexture( images[ data.image ] );
} else {
texture = new Texture( images[ data.image ] );
}
texture.needsUpdate = true;
texture.uuid = data.uuid;
if ( data.name !== undefined ) texture.name = data.name;
if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING );
if ( data.offset !== undefined ) texture.offset.fromArray( data.offset );
if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );
if ( data.center !== undefined ) texture.center.fromArray( data.center );
if ( data.rotation !== undefined ) texture.rotation = data.rotation;
if ( data.wrap !== undefined ) {
texture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING );
texture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING );
}
if ( data.format !== undefined ) texture.format = data.format;
if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER );
if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER );
if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;
if ( data.flipY !== undefined ) texture.flipY = data.flipY;
textures[ data.uuid ] = texture;
}
}
return textures;
},
parseObject: function ( data, geometries, materials ) {
var object;
function getGeometry( name ) {
if ( geometries[ name ] === undefined ) {
console.warn( 'THREE.ObjectLoader: Undefined geometry', name );
}
return geometries[ name ];
}
function getMaterial( name ) {
if ( name === undefined ) return undefined;
if ( Array.isArray( name ) ) {
var array = [];
for ( var i = 0, l = name.length; i < l; i ++ ) {
var uuid = name[ i ];
if ( materials[ uuid ] === undefined ) {
console.warn( 'THREE.ObjectLoader: Undefined material', uuid );
}
array.push( materials[ uuid ] );
}
return array;
}
if ( materials[ name ] === undefined ) {
console.warn( 'THREE.ObjectLoader: Undefined material', name );
}
return materials[ name ];
}
switch ( data.type ) {
case 'Scene':
object = new Scene();
if ( data.background !== undefined ) {
if ( Number.isInteger( data.background ) ) {
object.background = new Color( data.background );
}
}
if ( data.fog !== undefined ) {
if ( data.fog.type === 'Fog' ) {
object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );
} else if ( data.fog.type === 'FogExp2' ) {
object.fog = new FogExp2( data.fog.color, data.fog.density );
}
}
break;
case 'PerspectiveCamera':
object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );
if ( data.focus !== undefined ) object.focus = data.focus;
if ( data.zoom !== undefined ) object.zoom = data.zoom;
if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;
if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;
if ( data.view !== undefined ) object.view = Object.assign( {}, data.view );
break;
case 'OrthographicCamera':
object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );
if ( data.zoom !== undefined ) object.zoom = data.zoom;
if ( data.view !== undefined ) object.view = Object.assign( {}, data.view );
break;
case 'AmbientLight':
object = new AmbientLight( data.color, data.intensity );
break;
case 'DirectionalLight':
object = new DirectionalLight( data.color, data.intensity );
break;
case 'PointLight':
object = new PointLight( data.color, data.intensity, data.distance, data.decay );
break;
case 'RectAreaLight':
object = new RectAreaLight( data.color, data.intensity, data.width, data.height );
break;
case 'SpotLight':
object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );
break;
case 'HemisphereLight':
object = new HemisphereLight( data.color, data.groundColor, data.intensity );
break;
case 'SkinnedMesh':
console.warn( 'THREE.ObjectLoader.parseObject() does not support SkinnedMesh yet.' );
case 'Mesh':
var geometry = getGeometry( data.geometry );
var material = getMaterial( data.material );
if ( geometry.bones && geometry.bones.length > 0 ) {
object = new SkinnedMesh( geometry, material );
} else {
object = new Mesh( geometry, material );
}
break;
case 'LOD':
object = new LOD();
break;
case 'Line':
object = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );
break;
case 'LineLoop':
object = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) );
break;
case 'LineSegments':
object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );
break;
case 'PointCloud':
case 'Points':
object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );
break;
case 'Sprite':
object = new Sprite( getMaterial( data.material ) );
break;
case 'Group':
object = new Group();
break;
default:
object = new Object3D();
}
object.uuid = data.uuid;
if ( data.name !== undefined ) object.name = data.name;
if ( data.matrix !== undefined ) {
object.matrix.fromArray( data.matrix );
if ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate;
if ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale );
} else {
if ( data.position !== undefined ) object.position.fromArray( data.position );
if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );
if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );
if ( data.scale !== undefined ) object.scale.fromArray( data.scale );
}
if ( data.castShadow !== undefined ) object.castShadow = data.castShadow;
if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;
if ( data.shadow ) {
if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;
if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;
if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );
if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );
}
if ( data.visible !== undefined ) object.visible = data.visible;
if ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled;
if ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder;
if ( data.userData !== undefined ) object.userData = data.userData;
if ( data.layers !== undefined ) object.layers.mask = data.layers;
if ( data.children !== undefined ) {
var children = data.children;
for ( var i = 0; i < children.length; i ++ ) {
object.add( this.parseObject( children[ i ], geometries, materials ) );
}
}
if ( data.type === 'LOD' ) {
var levels = data.levels;
for ( var l = 0; l < levels.length; l ++ ) {
var level = levels[ l ];
var child = object.getObjectByProperty( 'uuid', level.object );
if ( child !== undefined ) {
object.addLevel( child, level.distance );
}
}
}
return object;
}
} );
var TEXTURE_MAPPING = {
UVMapping: UVMapping,
CubeReflectionMapping: CubeReflectionMapping,
CubeRefractionMapping: CubeRefractionMapping,
EquirectangularReflectionMapping: EquirectangularReflectionMapping,
EquirectangularRefractionMapping: EquirectangularRefractionMapping,
SphericalReflectionMapping: SphericalReflectionMapping,
CubeUVReflectionMapping: CubeUVReflectionMapping,
CubeUVRefractionMapping: CubeUVRefractionMapping
};
var TEXTURE_WRAPPING = {
RepeatWrapping: RepeatWrapping,
ClampToEdgeWrapping: ClampToEdgeWrapping,
MirroredRepeatWrapping: MirroredRepeatWrapping
};
var TEXTURE_FILTER = {
NearestFilter: NearestFilter,
NearestMipMapNearestFilter: NearestMipMapNearestFilter,
NearestMipMapLinearFilter: NearestMipMapLinearFilter,
LinearFilter: LinearFilter,
LinearMipMapNearestFilter: LinearMipMapNearestFilter,
LinearMipMapLinearFilter: LinearMipMapLinearFilter
};
export { ObjectLoader };