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35 lines
685 B
35 lines
685 B
6 months ago
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import FogNode from './FogNode.js';
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import { addNodeClass } from '../core/Node.js';
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import { addNodeElement, nodeProxy } from '../shadernode/ShaderNode.js';
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class FogExp2Node extends FogNode {
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constructor( colorNode, densityNode ) {
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super( colorNode );
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this.isFogExp2Node = true;
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this.densityNode = densityNode;
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}
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setup( builder ) {
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const viewZ = this.getViewZNode( builder );
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const density = this.densityNode;
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return density.mul( density, viewZ, viewZ ).negate().exp().oneMinus();
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}
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}
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export default FogExp2Node;
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export const densityFog = nodeProxy( FogExp2Node );
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addNodeElement( 'densityFog', densityFog );
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addNodeClass( 'FogExp2Node', FogExp2Node );
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