Cocos2D：如何检测我在特定区域中移动了一个精灵？

2 things I'd like to do with cocos2D : 1) set a random board based on 6 png files (like a 6 tiles boardgame) 2) be able to move a sprite/pawn with my finger and detect on which tile the sprite/pawn was moved and trigger a specific action depending upon which tile is under my sprite/pawn...2 things I'd like to do with cocos2D : 1) set a