guoyao-jiankang/public/static/threejs135/jsm/node-editor/math/DotEditor.js

import { ObjectNode, LabelElement } from '../../libs/flow.module.js';
import { MathNode, FloatNode } from '../../renderers/nodes/Nodes.js';

const NULL_VALUE = new FloatNode();

export class DotEditor extends ObjectNode {

	constructor() {

		const node = new MathNode( MathNode.DOT, NULL_VALUE, NULL_VALUE );

		super( 'Dot Product', 1, node );

		this.setWidth( 200 );

		const aElement = new LabelElement( 'A' ).setInput( 3 );
		const bElement = new LabelElement( 'B' ).setInput( 3 );

		aElement.onConnect( () => {

			node.aNode = aElement.linkedExtra || NULL_VALUE;

		} );

		bElement.onConnect( () => {

			node.bNode = bElement.linkedExtra || NULL_VALUE;

		} );

		this.add( aElement )
			.add( bElement );

	}

}