three
Version:
JavaScript 3D library
146 lines (95 loc) • 2.9 kB
JavaScript
import {
CubeTexture,
DataTexture,
FileLoader,
FloatType,
HalfFloatType,
LinearEncoding,
LinearFilter,
Loader,
NearestFilter,
RGBAFormat,
RGBEEncoding,
RGBFormat,
UnsignedByteType
} from "../../../build/three.module.js";
import { RGBELoader } from "../loaders/RGBELoader.js";
var HDRCubeTextureLoader = function ( manager ) {
Loader.call( this, manager );
this.hdrLoader = new RGBELoader();
this.type = UnsignedByteType;
};
HDRCubeTextureLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
constructor: HDRCubeTextureLoader,
load: function ( urls, onLoad, onProgress, onError ) {
if ( ! Array.isArray( urls ) ) {
console.warn( 'THREE.HDRCubeTextureLoader signature has changed. Use .setDataType() instead.' );
this.setDataType( urls );
urls = onLoad;
onLoad = onProgress;
onProgress = onError;
onError = arguments[ 4 ];
}
var texture = new CubeTexture();
texture.type = this.type;
switch ( texture.type ) {
case UnsignedByteType:
texture.encoding = RGBEEncoding;
texture.format = RGBAFormat;
texture.minFilter = NearestFilter;
texture.magFilter = NearestFilter;
texture.generateMipmaps = false;
break;
case FloatType:
texture.encoding = LinearEncoding;
texture.format = RGBFormat;
texture.minFilter = LinearFilter;
texture.magFilter = LinearFilter;
texture.generateMipmaps = false;
break;
case HalfFloatType:
texture.encoding = LinearEncoding;
texture.format = RGBFormat;
texture.minFilter = LinearFilter;
texture.magFilter = LinearFilter;
texture.generateMipmaps = false;
break;
}
var scope = this;
var loaded = 0;
function loadHDRData( i, onLoad, onProgress, onError ) {
new FileLoader( scope.manager )
.setPath( scope.path )
.setResponseType( 'arraybuffer' )
.load( urls[ i ], function ( buffer ) {
loaded ++;
var texData = scope.hdrLoader.parse( buffer );
if ( ! texData ) return;
if ( texData.data !== undefined ) {
var dataTexture = new DataTexture( texData.data, texData.width, texData.height );
dataTexture.type = texture.type;
dataTexture.encoding = texture.encoding;
dataTexture.format = texture.format;
dataTexture.minFilter = texture.minFilter;
dataTexture.magFilter = texture.magFilter;
dataTexture.generateMipmaps = texture.generateMipmaps;
texture.images[ i ] = dataTexture;
}
if ( loaded === 6 ) {
texture.needsUpdate = true;
if ( onLoad ) onLoad( texture );
}
}, onProgress, onError );
}
for ( var i = 0; i < urls.length; i ++ ) {
loadHDRData( i, onLoad, onProgress, onError );
}
return texture;
},
setDataType: function ( value ) {
this.type = value;
this.hdrLoader.setDataType( value );
return this;
}
} );
export { HDRCubeTextureLoader };