The camera position should consider the width of a tile

dungeonbattle/display/mapdisplay.py

@@ -24,7 +24,7 @@ class MapDisplay(Display):
                             self.pack[e.name.upper()], self.color_pair(2))
 
     def display(self) -> None:
-        y, x = self.map.currenty, self.map.currentx
+        y, x = self.map.currenty, self.pack.tile_width * self.map.currentx
         deltay, deltax = (self.height // 2) + 1, (self.width // 2) + 1
         pminrow, pmincol = y - deltay, x - deltax
         sminrow, smincol = max(-pminrow, 0), max(-pmincol, 0)