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78 lines
1.7 KiB
JavaScript
78 lines
1.7 KiB
JavaScript
import {
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ShaderMaterial,
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UniformsUtils
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} from '../../../build/three.module.js';
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import { Pass } from '../postprocessing/Pass.js';
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import { HalftoneShader } from '../shaders/HalftoneShader.js';
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/**
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* RGB Halftone pass for three.js effects composer. Requires HalftoneShader.
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*/
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var HalftonePass = function ( width, height, params ) {
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Pass.call( this );
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if ( HalftoneShader === undefined ) {
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console.error( 'THREE.HalftonePass requires HalftoneShader' );
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}
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this.uniforms = UniformsUtils.clone( HalftoneShader.uniforms );
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this.material = new ShaderMaterial( {
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uniforms: this.uniforms,
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fragmentShader: HalftoneShader.fragmentShader,
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vertexShader: HalftoneShader.vertexShader
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} );
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// set params
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this.uniforms.width.value = width;
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this.uniforms.height.value = height;
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for ( var key in params ) {
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if ( params.hasOwnProperty( key ) && this.uniforms.hasOwnProperty( key ) ) {
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this.uniforms[ key ].value = params[ key ];
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}
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}
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this.fsQuad = new Pass.FullScreenQuad( this.material );
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};
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HalftonePass.prototype = Object.assign( Object.create( Pass.prototype ), {
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constructor: HalftonePass,
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render: function ( renderer, writeBuffer, readBuffer/*, deltaTime, maskActive*/ ) {
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this.material.uniforms[ 'tDiffuse' ].value = readBuffer.texture;
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if ( this.renderToScreen ) {
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renderer.setRenderTarget( null );
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this.fsQuad.render( renderer );
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} else {
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renderer.setRenderTarget( writeBuffer );
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if ( this.clear ) renderer.clear();
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this.fsQuad.render( renderer );
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}
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},
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setSize: function ( width, height ) {
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this.uniforms.width.value = width;
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this.uniforms.height.value = height;
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}
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} );
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export { HalftonePass };
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