如何让敌人在球员方向射门

I'm making a tankgame. I already found out how to make my enemy move in the direction of the player, but I'm not quite sure how to make it shoot in the players direction. Also the shooter of the tank has to rotate towards the direction of the direction the enemy is shooting. (the bullet has to 'come out' of the shooter)I'm making a tankgame. I already found out how