capture.py 文件源码

def halfGrid(grid, red):
  halfway = grid.width / 2
  halfgrid = Grid(grid.width, grid.height, False)
  if red:    xrange = range(halfway)
  else:       xrange = range(halfway, grid.width)

  for y in range(grid.height):
    for x in xrange:
      if grid[x][y]: halfgrid[x][y] = True

  return halfgrid