iThreeJS

<!DOCTYPE html>

<html>
	<head>
		<meta charset="utf-8" />
		<title>Hello ThreeJS</title>
		<style type="text/css">
			html, body {margin:0;padding:0;overflow:hidden;}
		</style>
	</head>
	
	<body>
		
		<script type="text/javascript" src="assets/js/three.min.js"></script>
		<script type="text/javascript">
			/**
			 * three.js JavaScript 3D Library
			 */
			
			let camera, scene, renderer;  // 摄像机、场景、渲染器
			let geometry, material, mesh;  // 几何体、材质、网格
			
			function init() {
				camera = new THREE.PerspectiveCamera(70, window.innerWidth / window.innerHeight, 0.01, 10);
				camera.position.z = 1;
				
				scene = new THREE.Scene();
				
				geometry = new THREE.BoxGeometry(0.3, 0.3, 0.3);
				material = new THREE.MeshNormalMaterial();
				
				mesh = new THREE.Mesh(geometry, material);
				scene.add(mesh);
				
				renderer = new THREE.WebGLRenderer({antialias: true});
				renderer.setSize(window.innerWidth, window.innerHeight);
				//renderer.setAnimationLoop(animate);
				document.body.appendChild(renderer.domElement);
			}
			
			function animate() {
				requestAnimationFrame(animate);
				
				mesh.rotation.x += 0.01;
				mesh.rotation.y += 0.02;
				
				renderer.render(scene, camera);
			}
			
			init();
			animate();
		</script>
	</body>
</html>