import pygame
import time
import random
pygame.init()
# 定义游戏窗口大小
window_x = 800
window_y = 600
# 定义颜色
black = pygame.Color(0, 0, 0)
white = pygame.Color(255, 255, 255)
red = pygame.Color(255, 0, 0)
green = pygame.Color(0, 255, 0)
blue = pygame.Color(0, 0, 255)
# 初始化游戏窗口
pygame.display.set_caption('贪吃蛇游戏')
game_window = pygame.display.set_mode((window_x, window_y))
# 控制帧速率
fps = pygame.time.Clock()
# 定义蛇的默认位置
snake_position = [100, 50]
# 定义蛇的身体，初始为一个单位
snake_body = [[100, 50], [90, 50], [80, 50]]
# 定义食物的位置
food_position = [random.randrange(1, (window_x//10)) * 10,
random.randrange(1, (window_y//10)) * 10]
food_spawn = True
# 设置初始方向
direction = 'DOWN'
change_to = direction
# 初始化分数
score = 0
# 显示分数
def show_score(choice, color, font, size):
score_font = pygame.font.SysFont(font, size)
score_surface = score_font.render('Score : ' + str(score), True, color)
score_rect = score_surface.get_rect()
game_window.blit(score_surface, score_rect)
# 游戏结束
def game_over():
my_font = pygame.font.SysFont('times new roman', 50)
game_over_surface = my_font.render(
'Your Score is : ' + str(score), True, red)
game_over_rect = game_over_surface.get_rect()
game_over_rect.midtop = (window_x/2, window_y/4)
game_window.blit(game_over_surface, game_over_rect)
pygame.display.flip()
time.sleep(0)
pygame.quit()
quit()
# 游戏主循环
while True:
for event in pygame.event.get():
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_UP:
if direction != 'DOWN':
change_to = 'UP'
elif event.key == pygame.K_DOWN:
if direction != 'UP':
change_to = 'DOWN'
elif event.key == pygame.K_LEFT:
if direction != 'RIGHT':
change_to = 'LEFT'
elif event.key == pygame.K_RIGHT:
if direction != 'LEFT':
change_to = 'RIGHT'
if change_to == 'UP':
direction = 'UP'
if change_to == 'DOWN':
direction = 'DOWN'
if change_to == 'LEFT':
direction = 'LEFT'
if change_to == 'RIGHT':
direction = 'RIGHT'
if direction == 'UP':
snake_position[1] -= 10
if direction == 'DOWN':
snake_position[1] += 10
if direction == 'LEFT':
snake_position[0] -= 10
if direction == 'RIGHT':
snake_position[0] += 10
snake_body.insert(0, list(snake_position))
if snake_position[0] == food_position[0] and snake_position[1] == food_position[1]:
score += 10
food_spawn = False
else:
snake_body.pop()
if not food_spawn:
food_position = [random.randrange(1, (window_x//10)) * 10,
random.randrange(1, (window_y//10)) * 10]
food_spawn = True
game_window.fill(black)
for pos in snake_body:
pygame.draw.rect(game_window, green,
pygame.Rect(pos[0], pos[1], 10, 10))
pygame.draw.rect(game_window, white, pygame.Rect(
food_position[0], food_position[1], 10, 10))
if snake_position[0] < 0 or snake_position[0] > window_x-10:
game_over()
if snake_position[1] < 0 or snake_position[1] > window_y-10:
game_over()
for block in snake_body[1:]:
if snake_position[0] == block[0] and snake_position[1] == block[1]:
game_over()
show_score(1, white, 'times new roman', 20)
pygame.display.update()
fps.tick(15)
