<script src="/js/threejs/threer92.js"></script>
<script src="/example/threejs/solarsystem/files/OrbitControls.js"></script>
var scene = new THREE.Scene();
var geometry = new THREE.BufferGeometry();
var arc = new THREE.ArcCurve(0, 0, 100, 0, 2 * Math.PI);
var points = arc.getPoints(50);
geometry.setFromPoints(points);
var material = new THREE.LineBasicMaterial({
var line = new THREE.Line(geometry, material);
var point = new THREE.PointLight(0xffffff);
point.position.set(400, 200, 300);
var ambient = new THREE.AmbientLight(0x444444);