RemapNode.js 1009 B

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  1. import Node, { addNodeClass } from '../core/Node.js';
  2. import { float, addNodeElement, nodeProxy } from '../shadernode/ShaderNode.js';
  3. class RemapNode extends Node {
  4. constructor( node, inLowNode, inHighNode, outLowNode = float( 0 ), outHighNode = float( 1 ) ) {
  5. super();
  6. this.node = node;
  7. this.inLowNode = inLowNode;
  8. this.inHighNode = inHighNode;
  9. this.outLowNode = outLowNode;
  10. this.outHighNode = outHighNode;
  11. this.doClamp = true;
  12. }
  13. setup() {
  14. const { node, inLowNode, inHighNode, outLowNode, outHighNode, doClamp } = this;
  15. let t = node.sub( inLowNode ).div( inHighNode.sub( inLowNode ) );
  16. if ( doClamp === true ) t = t.clamp();
  17. return t.mul( outHighNode.sub( outLowNode ) ).add( outLowNode );
  18. }
  19. }
  20. export default RemapNode;
  21. export const remap = nodeProxy( RemapNode, null, null, { doClamp: false } );
  22. export const remapClamp = nodeProxy( RemapNode );
  23. addNodeElement( 'remap', remap );
  24. addNodeElement( 'remapClamp', remapClamp );
  25. addNodeClass( 'RemapNode', RemapNode );