/**
* Main drawing function. Inside this function the main part of the drawing is done.
*
* @param drawable the drawable object that is used to trigger the drawing actions
*/
@Override
public void display(final GLAutoDrawable drawable) {
final GL gl = drawable.getGL();
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
manager.draw();
}
