public void move(){
		int RandomWalk;
		if (!_arriere){
			moveX(_vitesse / 200 * _REFRESH_POS / 5);
		} else {
			moveX(-_vitesse / 200 * _REFRESH_POS / 5);
		}
		
		RandomWalk = (int) (Math.random() * 3000);
		
		if (RandomWalk < 3) {
			switchArriereState();
		}
		
		updateTexture((int)Math.ceil(1.0 * (_liste_texture.size() + 5) / _vitesse * 80));
	}