,
            x,
            y,
            z;
    var mouseX = 0,
            mouseY = 0;
    var start_time = new Date().getTime();
    var windowHalfX = window.innerWidth / 2;
    var windowHalfY = window.innerHeight / 2;
    init();
    animate();

    function init() {
        container = document.createElement("div");
        document.body.appendChild(container);
        camera = new THREE.Camera(
                30,
                window.innerWidth / window.innerHeight,
                1,
          