import?random

import?pygame

import?sys

from?pygame.locals?import?*

Snakespeed?=?17

Window_Width?=?800

Window_Height?=?500

Cell_Size?=?20??#?Width?and?height?of?the?cells

#?Ensuring?that?the?cells?fit?perfectly?in?the?window.?eg?if?cell?size?was

#?10?????and?window?width?or?windowheight?were?15?only?1.5?cells?would

#?fit.

assert?Window_Width?%?Cell_Size?==?0?“Window?width?must?be?a?multiple?of?cell?size.“

#?Ensuring?that?only?whole?integer?number?of?cells?fit?perfectly?in?the?window.

assert?Window_Height?%?Cell_Size?==?0?“Window?height?must?be?a?multiple?of?cell?size.“

Cell_W?=?int（Window_Width?/?Cell_Size）??#?Cell?Width

Cell_H?=?int（Window_Height?/?Cell_Size）??#?Cellc?Height

White?=?（255?255?255）

Black?=?（0?0?0）

Red?=?（255?0?0）??#?Defining?element?colors?for?the?program.

Green?=?（0?255?0）

DARKGreen?=?（0?155?0）

DARKGRAY?=?（40?40?40）

YELLOW?=?（255?255?0）

Red_DARK?=?（150?0?0）

BLUE?=?（0?0?255）

BL

?屬性????????????大小?????日期????時(shí)間???名稱
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?????文件??????????6??2017-09-03?20:04??Retro?Snake\.gitignore

?????文件??????20397??2020-05-22?09:06??Retro?Snake\Retro?Snake.ico

?????文件???????8163??2020-05-22?09:04??Retro?Snake\Retro?Snake.py

?????文件??????????0??2020-05-19?09:18??Retro?Snake\__init__.py

?????目錄??????????0??2020-05-31?12:56??Retro?Snake

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????????????????28566????????????????????5