three
Version:
JavaScript 3D library
54 lines (29 loc) • 929 B
JavaScript
import { TempNode } from 'three/webgpu';
import { rand, Fn, fract, time, uv, clamp, mix, vec4, nodeProxy } from 'three/tsl';
class FilmNode extends TempNode {
static get type() {
return 'FilmNode';
}
constructor( inputNode, intensityNode = null, uvNode = null ) {
super( 'vec4' );
this.inputNode = inputNode;
this.intensityNode = intensityNode;
this.uvNode = uvNode;
}
setup() {
const uvNode = this.uvNode || uv();
const film = Fn( () => {
const base = this.inputNode.rgb;
const noise = rand( fract( uvNode.add( time ) ) );
let color = base.add( base.mul( clamp( noise.add( 0.1 ), 0, 1 ) ) );
if ( this.intensityNode !== null ) {
color = mix( base, color, this.intensityNode );
}
return vec4( color, this.inputNode.a );
} );
const outputNode = film();
return outputNode;
}
}
export default FilmNode;
export const film = /*@__PURE__*/ nodeProxy( FilmNode );