<!DOCTYPE html>
<html lang="zh">
	<head>
		<meta charset="utf-8" />
		<base href="../../../" />
		<script src="page.js"></script>
		<link type="text/css" rel="stylesheet" href="page.css" />
	</head>
	<body>
		[page:Object3D] &rarr;

		<h1>[name]</h1>

		<p class="desc">用于模拟聚光灯 [page:SpotLight] 的锥形辅助对象.</p>

		<h2>代码示例</h2>
		<code>
		const spotLight = new THREE.SpotLight( 0xffffff );
		spotLight.position.set( 10, 10, 10 );
		scene.add( spotLight );

		const spotLightHelpe