preact

frontend/node_modules/three/examples/jsm/nodes/utils/RemapNode.js

@@ -0,0 +1,42 @@
+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 );