preact

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

@@ -0,0 +1,62 @@
+import { addNodeClass } from '../core/Node.js';
+import TempNode from '../core/TempNode.js';
+import { vectorComponents } from '../core/constants.js';
+
+class SetNode extends TempNode {
+
+	constructor( sourceNode, components, targetNode ) {
+
+		super();
+
+		this.sourceNode = sourceNode;
+		this.components = components;
+		this.targetNode = targetNode;
+
+	}
+
+	getNodeType( builder ) {
+
+		return this.sourceNode.getNodeType( builder );
+
+	}
+
+	generate( builder ) {
+
+		const { sourceNode, components, targetNode } = this;
+
+		const sourceType = this.getNodeType( builder );
+		const targetType = builder.getTypeFromLength( components.length );
+
+		const targetSnippet = targetNode.build( builder, targetType );
+		const sourceSnippet = sourceNode.build( builder, sourceType );
+
+		const length = builder.getTypeLength( sourceType );
+		const snippetValues = [];
+
+		for ( let i = 0; i < length; i ++ ) {
+
+			const component = vectorComponents[ i ];
+
+			if ( component === components[ 0 ] ) {
+
+				snippetValues.push( targetSnippet );
+
+				i += components.length - 1;
+
+			} else {
+
+				snippetValues.push( sourceSnippet + '.' + component );
+
+			}
+
+		}
+
+		return `${ builder.getType( sourceType ) }( ${ snippetValues.join( ', ' ) } )`;
+
+	}
+
+}
+
+export default SetNode;
+
+addNodeClass( 'SetNode', SetNode );