https://opendive.io/wp-content/plugins/astroidz/assets/js/postprocessing/FilmPass.js?ver=1.0.2

1/**
2 * @author alteredq / http://alteredqualia.com/
3 */
4
5THREE.FilmPass = function ( noiseIntensity, scanlinesIntensity, scanlinesCount, grayscale ) {
6
7	THREE.Pass.call( this );
8
9	if ( THREE.FilmShader === undefined )
10		console.error( "THREE.FilmPass relies on THREE.FilmShader" );
11
12	var shader = THREE.FilmShader;
13
14	this.uniforms = THREE.UniformsUtils.clone( shader.uniforms );
15
16	this.material = new THREE.ShaderMaterial( {
17
18		uniforms: this.uniforms,
19		vertexShader: shader.vertexShader,
20		fragmentShader: shader.fragmentShader
21
22	} );
23
24	if ( grayscale !== undefined )	this.uniforms.grayscale.value = grayscale;
25	if ( noiseIntensity !== undefined ) this.uniforms.nIntensity.value = noiseIntensity;
26	if ( scanlinesIntensity !== undefined ) this.uniforms.sIntensity.value = scanlinesIntensity;
27	if ( scanlinesCount !== undefined ) this.uniforms.sCount.value = scanlinesCount;
28
29	this.camera = new THREE.OrthographicCamera( - 1, 1, 1, - 1, 0, 1 );
30	this.scene  = new THREE.Scene();
31
32	this.quad = new THREE.Mesh( new THREE.PlaneBufferGeometry( 2, 2 ), null );
33	this.quad.frustumCulled = false; // Avoid getting clipped
34	this.scene.add( this.quad );
35
36};
37
38THREE.FilmPass.prototype = Object.assign( Object.create( THREE.Pass.prototype ), {
39
40	constructor: THREE.FilmPass,
41
42	render: function ( renderer, writeBuffer, readBuffer, deltaTime, maskActive ) {
43
44		this.uniforms[ "tDiffuse" ].value = readBuffer.texture;
45		this.uniforms[ "time" ].value += deltaTime;
46
47		this.quad.material = this.material;
48
49		if ( this.renderToScreen ) {
50
51			renderer.render( this.scene, this.camera );
52
53		} else {
54
55			renderer.render( this.scene, this.camera, writeBuffer, this.clear );
56
57		}
58
59	}
60
61} );