public void startStage(){
		if (players[PLAYER_ID_P1]!=null && players[PLAYER_ID_P1].getTank()!=null){
			curStage.addTank(players[PLAYER_ID_P1].getTank(), Stage.START_POINT_PLAYER_1);
		}
		if (players[PLAYER_ID_P2]!=null && players[PLAYER_ID_P2].getTank()!=null){
			curStage.addTank(players[PLAYER_ID_P2].getTank(), Stage.START_POINT_PLAYER_2);
		}
	}