ClearPass.js•875 B
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 };