- self.new_map((0,0), yx)
- self.new_map((0,1), yx)
- self.new_map((1,1), yx)
- self.new_map((1,0), yx)
- self.new_map((1,-1), yx)
- self.new_map((0,-1), yx)
- self.new_map((-1,-1), yx)
- self.new_map((-1,0), yx)
- self.new_map((-1,1), yx)
+ self.map_size = yx
+ self.ensure_map(YX(0,0))
+ self.ensure_map(YX(0,1))
+ self.ensure_map(YX(1,1))
+ self.ensure_map(YX(1,0))
+ self.ensure_map(YX(1,-1))
+ self.ensure_map(YX(0,-1))
+ self.ensure_map(YX(-1,-1))
+ self.ensure_map(YX(-1,0))
+ self.ensure_map(YX(-1,1))