function init(undefined){
    "use strict";

    var HEIGHT = window.innerHeight;
    var WIDTH = window.innerWidth;
    var aspectRatio = WIDTH / HEIGHT; 

    var renderer = new THREE.WebGLRenderer( { antialias: true } );
    renderer.setSize( WIDTH, HEIGHT );
    renderer.setClearColor( 0x000000 );
    renderer.shadowMap.enabled = true;
    document.body.appendChild( renderer.domElement );

    var scene = new THREE.Scene();

    var camera = new THREE.PerspectiveCamera( 75, aspectRatio, 0.1, 100000 );
    camera.position.x = 20
    camera.position.y = 200;
    camera.position.z = 200;
    camera.lookAt( scene.position );

    var controls = new THREE.TrackballControls( camera, renderer.domElement );
    controls.rotateSpeed = 5.0;
    controls.panSpeed = 1.0;

    var textureLoader = new THREE.TextureLoader();

    var skyGeometry = new THREE.SphereGeometry(1000, 25, 25); 
    var skyMaterial = new THREE.MeshBasicMaterial( { color: 0xffffff } );
    var skyTexture= textureLoader.load( 'space2.png' );
    skyTexture.wrapS = skyTexture.wrapT = THREE.RepeatWrapping; 
    skyTexture.repeat.set( 10, 10 );
    skyMaterial.map = skyTexture;
    var skyMesh = new THREE.Mesh(skyGeometry, skyMaterial);
    skyMesh.material.side = THREE.BackSide;
    scene.add(skyMesh);
    
    var groundGeometry = new THREE.PlaneGeometry(1024, 1024);
    var groundMaterial = new THREE.MeshPhongMaterial( { color: 0xffffff } );
    var groundMesh = new THREE.Mesh( groundGeometry, groundMaterial );
    groundMesh.rotation.x=radian(-90);
    groundMesh.receiveShadow=true;
    groundMesh.material.side = THREE.DoubleSide;
    groundMaterial.map = textureLoader.load( 'marstex2.jpg' );
    scene.add( groundMesh );

var h=60;
var boxGeometry = new THREE.BoxGeometry( 6, 6, 6 );
var boxMaterial = new THREE.MeshPhongMaterial( { color: 0x00ff00, shininess: 80, specular: 0xffffff, metal: true, side: THREE.FrontSide } );
var boxMesh = new THREE.Mesh( boxGeometry, boxMaterial );
boxMesh.receiveShadow=true;
boxMesh.castShadow = true;
boxMesh.position.x=0;
boxMesh.position.y=-h;
boxMesh.position.z=0;

var wireGeometry = new THREE.ConeGeometry( 30, -h, 8 );
var wireMaterial = new THREE.MeshBasicMaterial( { color: 0xff0000 , wireframe:true} );
var wireMesh = new THREE.Mesh( wireGeometry, wireMaterial );
wireMesh.castShadow = true;
wireMesh.receiveShadow=true;
wireMesh.position.x=0;
wireMesh.position.y=-h/2;
wireMesh.position.z=0;

var coneGeometry = new THREE.ConeGeometry( 30, 10, 32 );
coneGeometry.applyMatrix( new THREE.Matrix4().makeTranslation( 0, 5, 0 ) );
var coneMaterial = new THREE.MeshPhongMaterial( { color: 0x0000ff } );
var coneMesh = new THREE.Mesh( coneGeometry, coneMaterial );
coneMesh.castShadow = true;
coneMesh.receiveShadow=true;
coneMesh.position.x=0;
coneMesh.position.y=0;
coneMesh.position.z=0;

coneMesh.add( boxMesh );
coneMesh.add( wireMesh );

scene.add( coneMesh );


    var ambientLight = new THREE.AmbientLight( 0x708090, 0.5 );
    scene.add( ambientLight );
     
    var spotLight = new THREE.SpotLight( 0xffffff, 1 );
    spotLight.position.set( -1000,1000,0 );
    spotLight.angle = radian(11.25);
    spotLight.distance = 2000;
    spotLight.castShadow = true;
    spotLight.penumbra = 0.8;
    scene.add( spotLight );

    var axesHelper = new THREE.AxesHelper( 12 );
    scene.add( axesHelper );

    window.addEventListener( 'resize', handleWindowResize, false );
    render();

    function radian(fok){
        return fok * Math.PI / 180;
    }

    function handleWindowResize() {
        HEIGHT = window.innerHeight;
        WIDTH = window.innerWidth;
        renderer.setSize( WIDTH, HEIGHT );
        aspectRatio = WIDTH / HEIGHT;
        camera.aspect = aspectRatio;
        camera.updateProjectionMatrix();
    }

    var omega=Math.sqrt(h/10)/1000;
    function render() {
        requestAnimationFrame( render );

        var t = new Date().getTime(); 
        var q = (t/100)%300;
         
        coneMesh.rotation.z=radian(4)*Math.cos(omega*t);
        coneMesh.rotation.x=radian(4)*Math.cos(omega*t*1.01234566);
        coneMesh.position.y=h+300-q;

        controls.update();

        renderer.render( scene, camera );
    }
}