three
Version:
JavaScript 3D library
64 lines (40 loc) • 1.45 kB
JavaScript
import {
ShaderMaterial,
UniformsUtils
} from "../../../build/three.module.js";
import { Pass } from "../postprocessing/Pass.js";
import { CopyShader } from "../shaders/CopyShader.js";
var TexturePass = function ( map, opacity ) {
Pass.call( this );
if ( CopyShader === undefined )
console.error( "TexturePass relies on CopyShader" );
var shader = CopyShader;
this.map = map;
this.opacity = ( opacity !== undefined ) ? opacity : 1.0;
this.uniforms = UniformsUtils.clone( shader.uniforms );
this.material = new ShaderMaterial( {
uniforms: this.uniforms,
vertexShader: shader.vertexShader,
fragmentShader: shader.fragmentShader,
depthTest: false,
depthWrite: false
} );
this.needsSwap = false;
this.fsQuad = new Pass.FullScreenQuad( null );
};
TexturePass.prototype = Object.assign( Object.create( Pass.prototype ), {
constructor: TexturePass,
render: function ( renderer, writeBuffer, readBuffer /*, deltaTime, maskActive */ ) {
var oldAutoClear = renderer.autoClear;
renderer.autoClear = false;
this.fsQuad.material = this.material;
this.uniforms[ "opacity" ].value = this.opacity;
this.uniforms[ "tDiffuse" ].value = this.map;
this.material.transparent = ( this.opacity < 1.0 );
renderer.setRenderTarget( this.renderToScreen ? null : readBuffer );
if ( this.clear ) renderer.clear();
this.fsQuad.render( renderer );
renderer.autoClear = oldAutoClear;
}
} );
export { TexturePass };