@Override
    public void display(GLAutoDrawable arg0) {
        // TODO Auto-generated method stub
        GL2 gl = arg0.getGL().getGL2();
        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
        gl.glMatrixMode(GL2.GL_MODELVIEW);
        gl.glLoadIdentity();

        render(arg0);
        gl.glFlush();
    }

    float rot = 0;

    private void render(GLAutoDrawable arg0) {
        // TODO Auto-generated method stub
        GL2 gl = arg0.getGL().getGL2();
        gl.glTranslatef(0, 0, -100);
        //gl.glRotatef(rot*10, 0, 0.5f, 1.0f);

        rot += 0.075f;

        mSquare.draw(gl);

    }


    @Override
    public void dispose(GLAutoDrawable arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void init(GLAutoDrawable arg0) {
        // TODO Auto-generated method stub
        GL2 gl = arg0.getGL().getGL2();

        gl.glDisable(GL.GL_DITHER);
        gl.glEnable(GL.GL_CULL_FACE);
        gl.glCullFace(GL.GL_BACK);
        gl.glShadeModel(GL2.GL_SMOOTH);
        gl.glClearColor(0.0f, 0.5f, 1.0f, 1.0f);
        gl.glClearDepth(1.0f);
        gl.glEnable(GL.GL_DEPTH_TEST);
        gl.glHint(GL2.GL_PERSPECTIVE_CORRECTION_HINT, GL2.GL_FASTEST);
        initLight(gl);
    }

    private void initLight(GL2 gl) {
        float[] diffuse = { 0.0f, 0.2f, 0.0f, 1.0f };
        float[] pos = { 0.0f, 0.0f, -1.0f, 1.0f };
        float[] white = { 1.0f, 1.0f, 1.0f, 1.0f };

        gl.glLightfv(LIGHT1, GL2.GL_POSITION, ChibiUtil.makeFloatBuffer(pos));
        //gl.glLightfv(LIGHT1, GL2.GL_SPECULAR, ChibiUtil.makeFloatBuffer(diffuse));

        //gl.glMaterialfv(GL2.GL_FRONT_AND_BACK, GL2.GL_SPECULAR,ChibiUtil.makeFloatBuffer(white));

        gl.glShadeModel(GL2.GL_SMOOTH);
        gl.glEnable(GL2.GL_LIGHTING);
        gl.glEnable(LIGHT1);
        gl.glLoadIdentity();
    }

    @Override
    public void reshape(GLAutoDrawable arg0, int arg1, int arg2, int arg3,
            int arg4) {
        GL2 gl = arg0.getGL().getGL2();
        GLU glu = new GLU();
        gl.glViewport(0, 0, width, height);
        gl.glMatrixMode(GL2.GL_PROJECTION);
        glu.gluPerspective(45.0f, (float)width/(float)height, 0.1f, 1000);
        gl.glMatrixMode(GL2.GL_MODELVIEW);

    }