three
Version:
JavaScript 3D library
78 lines (49 loc) • 1.7 kB
JavaScript
import {
ShaderMaterial,
UniformsUtils
} from "../../../build/three.module.js";
import { Pass } from "../postprocessing/Pass.js";
import { HalftoneShader } from "../shaders/HalftoneShader.js";
/**
* RGB Halftone pass for three.js effects composer. Requires HalftoneShader.
*/
var HalftonePass = function ( width, height, params ) {
Pass.call( this );
if ( HalftoneShader === undefined ) {
console.error( 'THREE.HalftonePass requires HalftoneShader' );
}
this.uniforms = UniformsUtils.clone( HalftoneShader.uniforms );
this.material = new ShaderMaterial( {
uniforms: this.uniforms,
fragmentShader: HalftoneShader.fragmentShader,
vertexShader: HalftoneShader.vertexShader
} );
// set params
this.uniforms.width.value = width;
this.uniforms.height.value = height;
for ( var key in params ) {
if ( params.hasOwnProperty( key ) && this.uniforms.hasOwnProperty( key ) ) {
this.uniforms[ key ].value = params[ key ];
}
}
this.fsQuad = new Pass.FullScreenQuad( this.material );
};
HalftonePass.prototype = Object.assign( Object.create( Pass.prototype ), {
constructor: HalftonePass,
render: function ( renderer, writeBuffer, readBuffer/*, deltaTime, maskActive*/ ) {
this.material.uniforms[ "tDiffuse" ].value = readBuffer.texture;
if ( this.renderToScreen ) {
renderer.setRenderTarget( null );
this.fsQuad.render( renderer );
} else {
renderer.setRenderTarget( writeBuffer );
if ( this.clear ) renderer.clear();
this.fsQuad.render( renderer );
}
},
setSize: function ( width, height ) {
this.uniforms.width.value = width;
this.uniforms.height.value = height;
}
} );
export { HalftonePass };