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43 lines
1009 B
43 lines
1009 B
6 months ago
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import Node, { addNodeClass } from '../core/Node.js';
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import { float, addNodeElement, nodeProxy } from '../shadernode/ShaderNode.js';
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class RemapNode extends Node {
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constructor( node, inLowNode, inHighNode, outLowNode = float( 0 ), outHighNode = float( 1 ) ) {
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super();
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this.node = node;
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this.inLowNode = inLowNode;
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this.inHighNode = inHighNode;
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this.outLowNode = outLowNode;
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this.outHighNode = outHighNode;
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this.doClamp = true;
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}
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setup() {
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const { node, inLowNode, inHighNode, outLowNode, outHighNode, doClamp } = this;
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let t = node.sub( inLowNode ).div( inHighNode.sub( inLowNode ) );
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if ( doClamp === true ) t = t.clamp();
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return t.mul( outHighNode.sub( outLowNode ) ).add( outLowNode );
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}
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}
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export default RemapNode;
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export const remap = nodeProxy( RemapNode, null, null, { doClamp: false } );
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export const remapClamp = nodeProxy( RemapNode );
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addNodeElement( 'remap', remap );
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addNodeElement( 'remapClamp', remapClamp );
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addNodeClass( 'RemapNode', RemapNode );
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