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68 lines
978 B
68 lines
978 B
2 years ago
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import { TempNode } from '../core/TempNode.js';
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import { NodeLib } from '../core/NodeLib.js';
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class UVNode extends TempNode {
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constructor( index ) {
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super( 'v2', { shared: false } );
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this.index = index || 0;
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}
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generate( builder, output ) {
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builder.requires.uv[ this.index ] = true;
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const uvIndex = this.index > 0 ? this.index + 1 : '';
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const result = builder.isShader( 'vertex' ) ? 'uv' + uvIndex : 'vUv' + uvIndex;
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return builder.format( result, this.getType( builder ), output );
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}
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copy( source ) {
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super.copy( source );
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this.index = source.index;
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return this;
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}
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toJSON( meta ) {
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let data = this.getJSONNode( meta );
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if ( ! data ) {
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data = this.createJSONNode( meta );
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data.index = this.index;
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}
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return data;
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}
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}
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UVNode.prototype.nodeType = 'UV';
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NodeLib.addKeyword( 'uv', function () {
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return new UVNode();
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} );
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NodeLib.addKeyword( 'uv2', function () {
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return new UVNode( 1 );
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} );
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export { UVNode };
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