kopia lustrzana https://github.com/robhawkes/vizicities
151 wiersze
3.0 KiB
JavaScript
Executable File
151 wiersze
3.0 KiB
JavaScript
Executable File
// jscs:disable
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/* eslint-disable */
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import * as THREE from 'three';
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import CopyShader from './CopyShader';
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import ShaderPass from './ShaderPass';
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import MaskPass, {ClearMaskPass} from './MaskPass';
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/**
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* @author alteredq / http://alteredqualia.com/
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*/
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var EffectComposer = function ( renderer, renderTarget ) {
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this.renderer = renderer;
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if ( renderTarget === undefined ) {
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var pixelRatio = renderer.getPixelRatio();
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var width = Math.floor( renderer.context.canvas.width / pixelRatio ) || 1;
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var height = Math.floor( renderer.context.canvas.height / pixelRatio ) || 1;
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var parameters = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBAFormat, stencilBuffer: false };
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renderTarget = new THREE.WebGLRenderTarget( width, height, parameters );
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}
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this.renderTarget1 = renderTarget;
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this.renderTarget2 = renderTarget.clone();
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this.writeBuffer = this.renderTarget1;
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this.readBuffer = this.renderTarget2;
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this.passes = [];
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if ( CopyShader === undefined )
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console.error( "EffectComposer relies on THREE.CopyShader" );
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this.copyPass = new ShaderPass( CopyShader );
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};
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EffectComposer.prototype = {
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swapBuffers: function() {
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var tmp = this.readBuffer;
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this.readBuffer = this.writeBuffer;
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this.writeBuffer = tmp;
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},
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addPass: function ( pass ) {
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this.passes.push( pass );
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},
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insertPass: function ( pass, index ) {
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this.passes.splice( index, 0, pass );
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},
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render: function ( delta ) {
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this.writeBuffer = this.renderTarget1;
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this.readBuffer = this.renderTarget2;
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var maskActive = false;
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var pass, i, il = this.passes.length;
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for ( i = 0; i < il; i ++ ) {
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pass = this.passes[ i ];
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if ( ! pass.enabled ) continue;
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pass.render( this.renderer, this.writeBuffer, this.readBuffer, delta, maskActive );
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if ( pass.needsSwap ) {
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if ( maskActive ) {
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var context = this.renderer.context;
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context.stencilFunc( context.NOTEQUAL, 1, 0xffffffff );
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this.copyPass.render( this.renderer, this.writeBuffer, this.readBuffer, delta );
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context.stencilFunc( context.EQUAL, 1, 0xffffffff );
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}
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this.swapBuffers();
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}
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if ( pass instanceof MaskPass ) {
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maskActive = true;
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} else if ( pass instanceof ClearMaskPass ) {
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maskActive = false;
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}
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}
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},
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reset: function ( renderTarget ) {
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if ( renderTarget === undefined ) {
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renderTarget = this.renderTarget1.clone();
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var pixelRatio = this.renderer.getPixelRatio();
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renderTarget.setSize(
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Math.floor( this.renderer.context.canvas.width / pixelRatio ),
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Math.floor( this.renderer.context.canvas.height / pixelRatio )
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);
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}
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this.renderTarget1.dispose();
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this.renderTarget1 = renderTarget;
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this.renderTarget2.dispose();
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this.renderTarget2 = renderTarget.clone();
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this.writeBuffer = this.renderTarget1;
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this.readBuffer = this.renderTarget2;
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},
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setSize: function ( width, height ) {
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this.renderTarget1.setSize( width, height );
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this.renderTarget2.setSize( width, height );
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}
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};
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export default EffectComposer;
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THREE.EffectComposer = EffectComposer;
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