53 lines
890 B
JavaScript
53 lines
890 B
JavaScript
import { TempNode, rand, Fn, fract, time, uv, clamp, mix, vec4, nodeProxy } from 'three/tsl';
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class FilmNode extends TempNode {
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static get type() {
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return 'FilmNode';
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}
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constructor( inputNode, intensityNode = null, uvNode = null ) {
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super();
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this.inputNode = inputNode;
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this.intensityNode = intensityNode;
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this.uvNode = uvNode;
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}
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setup() {
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const uvNode = this.uvNode || uv();
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const film = Fn( () => {
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const base = this.inputNode.rgb;
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const noise = rand( fract( uvNode.add( time ) ) );
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let color = base.add( base.mul( clamp( noise.add( 0.1 ), 0, 1 ) ) );
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if ( this.intensityNode !== null ) {
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color = mix( base, color, this.intensityNode );
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}
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return vec4( color, this.inputNode.a );
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} );
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const outputNode = film();
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return outputNode;
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}
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}
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export default FilmNode;
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export const film = /*@__PURE__*/ nodeProxy( FilmNode );
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