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[READ-ONLY] Mirror of https://github.com/flo-bit/shapecraft. flo-bit.dev/shapecraft
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2.0 kB · 128 lines
JavaScript
at commit da69385e
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129import { ImageUtils } from '../extras/ImageUtils.js';import * as MathUtils from '../math/MathUtils.js';
let _sourceId = 0;
class Source {
constructor( data = null ) {
this.isSource = true;
Object.defineProperty( this, 'id', { value: _sourceId ++ } );
this.uuid = MathUtils.generateUUID();
this.data = data; this.dataReady = true;
this.version = 0;
}
set needsUpdate( value ) {
if ( value === true ) this.version ++;
}
toJSON( meta ) {
const isRootObject = ( meta === undefined || typeof meta === 'string' );
if ( ! isRootObject && meta.images[ this.uuid ] !== undefined ) {
return meta.images[ this.uuid ];
}
const output = { uuid: this.uuid, url: '' };
const data = this.data;
if ( data !== null ) {
let url;
if ( Array.isArray( data ) ) {
// cube texture
url = [];
for ( let i = 0, l = data.length; i < l; i ++ ) {
if ( data[ i ].isDataTexture ) {
url.push( serializeImage( data[ i ].image ) );
} else {
url.push( serializeImage( data[ i ] ) );
}
}
} else {
// texture
url = serializeImage( data );
}
output.url = url;
}
if ( ! isRootObject ) {
meta.images[ this.uuid ] = output;
}
return output;
}
}
function serializeImage( image ) {
if ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) || ( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) || ( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {
// default images
return ImageUtils.getDataURL( image );
} else {
if ( image.data ) {
// images of DataTexture
return { data: Array.from( image.data ), width: image.width, height: image.height, type: image.data.constructor.name };
} else {
console.warn( 'THREE.Texture: Unable to serialize Texture.' ); return {};
}
}
}
export { Source };