这段代码(three.js):
<script type="text/javascript">
init();
animate();
// FUNCTIONS
function init()
{
// SCENE
scene = new THREE.Scene();
// CAMERA
var SCREEN_WIDTH = window.innerWidth, SCREEN_HEIGHT = window.innerHeight;
var VIEW_ANGLE = 45, ASPECT = SCREEN_WIDTH / SCREEN_HEIGHT, NEAR = 0.1, FAR = 20000;
camera = new THREE.PerspectiveCamera( VIEW_ANGLE, ASPECT, NEAR, FAR);
scene.add(camera);
camera.position.set(0,150,400);
camera.lookAt(scene.position);
// RENDERER
renderer = new THREE.WebGLRenderer( {antialias:true} );
renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
container = document.createElement( 'div' );
document.body.appendChild( container );
container.appendChild( renderer.domElement );
// EVENTS
// CONTROLS
controls = new THREE.TrackballControls( …