GRID_X = 10
GRID_LEN = 30
OFFSET = 1
# the pixel of the entire canvas
AREA_X = (GRID_LEN + 2 * OFFSET) * GRID_X

# 0,1
DISPLAY_GRID = 1
# need colorful snake body? 0 or 1 is valid
COLORFUL = 1
# if COLORFUL = 0 ,this color will be used
BODY_COLOR = 'blue'
# GUI's background color
BKCOLOR = None  # '#00b0b0'

# random rock num
ROCK_NUM = 10
