/// <summary>
/// Sets the current in-game state.
/// </summary>
/// <param name="newState">New state.</param>
public void SetState(InGameState newState)
{
if (state != null) {
state.OnExit(this);
GameObject.Destroy(state.gameObject);
}
if (newState != null) {
state = newState;
state.OnEnter (this);
}
}
