guoyao-jiankang/public/static/threejs135/jsm/renderers/nodes/accessors/ModelViewProjectionNode.js

import Node from '../core/Node.js';
import CameraNode from '../accessors/CameraNode.js';
import ModelNode from '../accessors/ModelNode.js';
import OperatorNode from '../math/OperatorNode.js';
import PositionNode from '../accessors/PositionNode.js';

class ModelViewProjectionNode extends Node {

	constructor( position = new PositionNode() ) {

		super( 'vec4' );

		this.position = position;

	}

	generate( builder ) {

		const position = this.position;

		const mvpMatrix = new OperatorNode( '*', new CameraNode( CameraNode.PROJECTION_MATRIX ), new ModelNode( ModelNode.VIEW_MATRIX ) );
		const mvpNode = new OperatorNode( '*', mvpMatrix, position );

		return mvpNode.build( builder );

	}

}

export default ModelViewProjectionNode;