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