/**
* This is called every frame in BaseGame.start()
*
* @param interpolation unused in this implementation
* @see AbstractGame#update(float interpolation)
*/
protected final void update(float interpolation) {
// Recalculate the framerate.
timer.update();
tpf = timer.getTimePerFrame();
// Update the current game state.
GameStateManager.getInstance().update(tpf);
}
