設(shè)置每個(gè)網(wǎng)格大小為 20 px ，size可以隨意修改但最好為20的倍數(shù)，設(shè)置初始方向向右，初始蛇長(zhǎng)為 3 。
# 初始化參數(shù)
size = 320
screen = pygame.display.set_mode([size,size],0 , 32)
pygame.display.set_caption("貪吃蛇")
cell_size = 20
cell_num = int(size/20)
x , y = [60,0]
# 初始方向向右
dir_snake = 'R'
body_snake = [[0,0],[20,0],[40,0],[60,0]]
# 初始蛇長(zhǎng)為3
len_snake = 3
# 初始食物坐標(biāo)
food_coor = [random.randint(0, cell_num - 1) * 20, random.randint(0, cell_num - 1) * 20, 20, 20]
# 蛇移動(dòng)速度
clock = pygame.time.Clock()
if [x,y] == food_coor[:2]:
food_coor = [random.randint(0, cell_num - 1) * 20, random.randint(0, cell_num - 1) * 20, 20, 20]
if food_coor[:2] in body_snake[-2:-len_snake -1 :-1]:
food_coor = [random.randint(0, cell_num - 1) * 20, random.randint(0, cell_num - 1) * 20, 20, 20]
len_snake +=1
import pygame , random ,pyautogui
from pygame.locals import *
# 初始化參數(shù)
size = 500
screen = pygame.display.set_mode([size,size],0 , 32)
pygame.display.set_caption("貪吃蛇")
cell_size = 20
cell_num = int(size/20)
x , y = [60,0]
# 初始方向向右
dir_snake = 'R'
body_snake = [[0,0],[20,0],[40,0],[60,0]]
# 初始蛇長(zhǎng)為3
len_snake = 3
# 初始食物坐標(biāo)
food_coor = [random.randint(0, cell_num - 1) * 20, random.randint(0, cell_num - 1) * 20, 20, 20]
# 蛇移動(dòng)速度
clock = pygame.time.Clock()
# bg
def bg():
for i in range(0, size , int(cell_size)):
pygame.draw.line(screen,[72,72,72],[i,0],[i,size])
for i in range(0, size, int(cell_size)):
pygame.draw.line(screen, [72, 72, 72], [0, i], [size,i])
# 蛇
def snake(K):
for x,y in K[:-len_snake - 1:-1]:
pygame.draw.rect(screen,[255,255,255],[x,y,20,20],0)
# 食物
def food():
pygame.draw.rect(screen,[255,0,0],food_coor,0)
# 主循環(huán)
def running():
global x ,y , dir_snake ,food_coor , len_snake
while True:
for event in pygame.event.get():
if event.type == QUIT:
exit()
screen.fill((40, 43, 46))
# 方向規(guī)則
if dir_snake == 'U':
y -= 20
elif dir_snake == 'R':
x += 20
elif dir_snake == 'D':
y += 20
elif dir_snake == 'L':
x -= 20
# 鍵盤方向控制
if event.type == KEYDOWN:
if event.key == K_LEFT and dir_snake != 'R':
dir_snake = 'L'
elif event.key == K_DOWN and dir_snake != 'U':
dir_snake = 'D'
elif event.key == K_RIGHT and dir_snake != 'L':
dir_snake = 'R'
elif event.key == K_UP and dir_snake != 'D':
dir_snake = 'U'
# 撞墻之后
if x 0:
x += size
elif x >= size:
x -= size
elif y 0:
y += size
elif y >= size:
y -= size
# draw蛇體
body_snake.append([x,y])
snake(body_snake)
food()
# 吃到食物后food換位置
if [x,y] == food_coor[:2]:
food_coor = [random.randint(0, cell_num - 1) * 20, random.randint(0, cell_num - 1) * 20, 20, 20]
if food_coor[:2] in body_snake[-2:-len_snake -1 :-1]:
food_coor = [random.randint(0, cell_num - 1) * 20, random.randint(0, cell_num - 1) * 20, 20, 20]
len_snake +=1
# 游戲結(jié)束
if body_snake[-1] in body_snake[-2:-len_snake -1 :-1]:
pyautogui.alert(text='游戲結(jié)束,最終蛇長(zhǎng)為{}'.format(len_snake))
exit()
# 格線
bg()
# 右下角顯示蛇長(zhǎng)
font = pygame.font.SysFont("simsunnsimsun", 40)
text_surface = font.render("{}".format(len_snake), True, (255,255, 255))
screen.blit(text_surface , (size-40,size-40))
pygame.display.update()
# 蛇的移動(dòng)速度隨著蛇的長(zhǎng)度而越來(lái)越快
clock.tick(len_snake * 2)
if __name__ == '__main__':
pygame.init()
running()
