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