47 lines
		
	
	
		
			875 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			47 lines
		
	
	
		
			875 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | import { | ||
|  | 	Color | ||
|  | } from 'three'; | ||
|  | import { Pass } from './Pass.js'; | ||
|  | 
 | ||
|  | class ClearPass extends Pass { | ||
|  | 
 | ||
|  | 	constructor( clearColor, clearAlpha ) { | ||
|  | 
 | ||
|  | 		super(); | ||
|  | 
 | ||
|  | 		this.needsSwap = false; | ||
|  | 
 | ||
|  | 		this.clearColor = ( clearColor !== undefined ) ? clearColor : 0x000000; | ||
|  | 		this.clearAlpha = ( clearAlpha !== undefined ) ? clearAlpha : 0; | ||
|  | 		this._oldClearColor = new Color(); | ||
|  | 
 | ||
|  | 	} | ||
|  | 
 | ||
|  | 	render( renderer, writeBuffer, readBuffer /*, deltaTime, maskActive */ ) { | ||
|  | 
 | ||
|  | 		let oldClearAlpha; | ||
|  | 
 | ||
|  | 		if ( this.clearColor ) { | ||
|  | 
 | ||
|  | 			renderer.getClearColor( this._oldClearColor ); | ||
|  | 			oldClearAlpha = renderer.getClearAlpha(); | ||
|  | 
 | ||
|  | 			renderer.setClearColor( this.clearColor, this.clearAlpha ); | ||
|  | 
 | ||
|  | 		} | ||
|  | 
 | ||
|  | 		renderer.setRenderTarget( this.renderToScreen ? null : readBuffer ); | ||
|  | 		renderer.clear(); | ||
|  | 
 | ||
|  | 		if ( this.clearColor ) { | ||
|  | 
 | ||
|  | 			renderer.setClearColor( this._oldClearColor, oldClearAlpha ); | ||
|  | 
 | ||
|  | 		} | ||
|  | 
 | ||
|  | 	} | ||
|  | 
 | ||
|  | } | ||
|  | 
 | ||
|  | export { ClearPass }; |