fixed bug with bounds of tiles
fixed bug with bounds of tiles

jeremydanielfox/game_engine,ninasun/game_engine,ninasun/game_engine,Jgilhuly/VoogaSalad,brandonnchoii/VOOGASalad,keikumata/CS308_Tower_Defense,PinPinx/TD_Game_Engine,keikumata/CS308_Tower_Defense,Jgilhuly/VoogaSalad,PinPinx/TD_Game_Engine,brandonnchoii/VOOGASalad,jeremydanielfox/game_engine