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65 lines
1020 B
65 lines
1020 B
2 years ago
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import { TempNode } from '../core/TempNode.js';
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import { ResolutionNode } from './ResolutionNode.js';
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class ScreenUVNode extends TempNode {
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constructor( resolution ) {
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super( 'v2' );
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this.resolution = resolution || new ResolutionNode();
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}
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generate( builder, output ) {
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let result;
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if ( builder.isShader( 'fragment' ) ) {
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result = '( gl_FragCoord.xy / ' + this.resolution.build( builder, 'v2' ) + ')';
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} else {
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console.warn( 'THREE.ScreenUVNode is not compatible with ' + builder.shader + ' shader.' );
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result = 'vec2( 0.0 )';
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}
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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.resolution = source.resolution;
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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.resolution = this.resolution.toJSON( meta ).uuid;
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}
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return data;
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}
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}
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ScreenUVNode.prototype.nodeType = 'ScreenUV';
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export { ScreenUVNode };
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