56 lines
1.1 KiB
JavaScript
56 lines
1.1 KiB
JavaScript
import { NodeMaterial } from 'three/webgpu';
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import { nodeObject, Fn, vec4, uv, If, mod, screenCoordinate } from 'three/tsl';
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import StereoCompositePassNode from './StereoCompositePassNode.js';
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class ParallaxBarrierPassNode extends StereoCompositePassNode {
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static get type() {
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return 'ParallaxBarrierPassNode';
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}
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constructor( scene, camera ) {
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super( scene, camera );
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this.isParallaxBarrierPassNode = true;
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}
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setup( builder ) {
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const uvNode = uv();
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const parallaxBarrier = Fn( () => {
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const color = vec4().toVar();
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If( mod( screenCoordinate.y, 2 ).greaterThan( 1 ), () => {
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color.assign( this._mapLeft.uv( uvNode ) );
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} ).Else( () => {
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color.assign( this._mapRight.uv( uvNode ) );
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} );
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return color;
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} );
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const material = this._material || ( this._material = new NodeMaterial() );
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material.fragmentNode = parallaxBarrier().context( builder.getSharedContext() );
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material.needsUpdate = true;
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return super.setup( builder );
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}
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}
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export default ParallaxBarrierPassNode;
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export const parallaxBarrierPass = ( scene, camera ) => nodeObject( new ParallaxBarrierPassNode( scene, camera ) );
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