56 lines
1.1 KiB
JavaScript
56 lines
1.1 KiB
JavaScript
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import TempNode from '../core/TempNode.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 PackingNode extends TempNode {
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constructor( scope, node ) {
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super();
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this.scope = scope;
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this.node = node;
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}
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getNodeType( builder ) {
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return this.node.getNodeType( builder );
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}
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setup() {
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const { scope, node } = this;
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let result = null;
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if ( scope === PackingNode.DIRECTION_TO_COLOR ) {
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result = node.mul( 0.5 ).add( 0.5 );
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} else if ( scope === PackingNode.COLOR_TO_DIRECTION ) {
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result = node.mul( 2.0 ).sub( 1 );
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}
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return result;
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}
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}
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PackingNode.DIRECTION_TO_COLOR = 'directionToColor';
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PackingNode.COLOR_TO_DIRECTION = 'colorToDirection';
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export default PackingNode;
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export const directionToColor = nodeProxy( PackingNode, PackingNode.DIRECTION_TO_COLOR );
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export const colorToDirection = nodeProxy( PackingNode, PackingNode.COLOR_TO_DIRECTION );
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addNodeElement( 'directionToColor', directionToColor );
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addNodeElement( 'colorToDirection', colorToDirection );
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addNodeClass( 'PackingNode', PackingNode );
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