public function setDirection (Neuron_GameServer_Map_Vector3 $start, Neuron_GameServer_Map_Vector3 $end)
	{
		$this->startRotation = $start;
		$this->endRotation = $end;
	}
public function setDirection (Neuron_GameServer_Map_Vector3 $start, Neuron_GameServer_Map_Vector3 $end)
	{
		$this->startRotation = $start;
		$this->endRotation = $end;
	}
public function setDirection ( Neuron_GameServer_Map_Vector3 $ start , Neuron_GameServer_Map_Vector3 $ end ) { $ this -> startRotation = $ start ; $ this -> endRotation = $ end ; }
If no rotation is set, object will face in direction of movement
If no rotation is set object will face in direction of movement