import pygame
import random
# 初始化 pygame
pygame.init()
# 设置游戏窗口大小
window_width = 800
window_height = 600
window = pygame.display.set_mode((window_width, window_height))
pygame.display.set_caption("贪吃蛇游戏")
# 定义颜色
white = (255, 255, 255)
black = (0, 0, 0)
red = (255, 0, 0)
green = (0, 255, 0)
# 蛇的方块大小和初始速度
block_size = 20
snake_speed = 15
# 定义字体
font_style = pygame.font.SysFont(None, 50)
def message(msg, color):
mesg = font_style.render(msg, True, color)
window.blit(mesg, [window_width / 6, window_height / 3])
# 绘制蛇
def draw_snake(snake_block, snake_list):
for x in snake_list:
pygame.draw.rect(window, green, [x[0], x[1], snake_block, snake_block])
# 游戏主循环
def game_loop():
game_over = False
game_close = False
x1 = window_width / 2
y1 = window_height / 2
x1_change = 0
y1_change = 0
snake_list = []
length_of_snake = 1
foodx = round(random.randint(0, (window_width - block_size) / block_size)) * block_size
foody = round(random.randint(0, (window_height - block_size) / block_size)) * block_size
while not game_over:
while game_close:
window.fill(white)
message("游戏结束！按Q退出或C重新开始", red)
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_q:
game_over = True
game_close = False
if event.key == pygame.K_c:
game_loop()
for event in pygame.event.get():
if event.type == pygame.QUIT:
game_over = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
x1_change = -block_size
y1_change = 0
elif event.key == pygame.K_RIGHT:
x1_change = block_size
y1_change = 0
elif event.key == pygame.K_UP:
y1_change = -block_size
x1_change = 0
elif event.key == pygame.K_DOWN:
y1_change = block_size
x1_change = 0
if x1 >= window_width or x1 < 0 or y1 >= window_height or y1 < 0:
game_close = True
x1 += x1_change
y1 += y1_change
window.fill(white)
pygame.draw.rect(window, red, [foodx, foody, block_size, block_size])
snake_head = []
snake_head.append(x1)
snake_head.append(y1)
snake_list.append(snake_head)
if len(snake_list) > length_of_snake:
del snake_list[0]
for x in snake_list[:-1]:
if x == snake_head:
game_close = True
draw_snake(block_size, snake_list)
pygame.display.update()
if x1 == foodx and y1 == foody:
foodx = round(random.randint(0, (window_width - block_size) / block_size)) * block_size
foody = round(random.randint(0, (window_height - block_size) / block_size)) * block_size
length_of_snake += 1
pygame.time.Clock().tick(snake_speed)
pygame.quit()
quit()
if __name__ == "__main__":
game_loop()