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853天前import pygame |
import sys |
import random |
import time |
# 颜色 |
redColor = pygame.Color(255, 0, 0) # gameover |
whiteColor = pygame.Color(255, 255, 255) # background |
blackColor = pygame.Color(0, 0, 0) # score |
# Gameover函数 |
def gameover(play_surface, score): |
gameoverFont = pygame.font.SysFont('arial', 54) |
gameoverSurf = gameoverFont.render('Game Over!', True, redColor) |
gameoverRect = gameoverSurf.get_rect() |
gameoverRect.midtop = (320, 10) |
play_surface.blit(gameoverSurf, gameoverRect) |
showScore(play_surface, score) |
pygame.display.flip() |
time.sleep(4) |
pygame.quit() # 退出pygame |
sys.exit() # 退出系统 |
# 得分函数 |
def showScore(play_surface, score): |
scoreFont = pygame.font.SysFont('arial', 34) |
scoreSurf = scoreFont.render('score : %s' % str(score), True, blackColor) |
scoreRect = scoreSurf.get_rect() |
scoreRect.midtop = (80, 10) |
play_surface.blit(scoreSurf, scoreRect) |
# 主函数 |
def main(): |
# 初始化pygame |
pygame.init() |
fps_clock = pygame.time.Clock() |
# 设置窗口大小 |
play_surface = pygame.display.set_mode((640, 480)) |
pygame.display.set_caption('贪吃蛇') |
# 初始化变量 |
snake_position = [100, 100] |
snake_body = [[100, 100], [80, 100], [60, 100]] |
target_position = [300, 300] |
target_flag = 1 |
score = 0 |
# 确定方向 |
direction = 'right' |
change_direction = direction |
while True: |
for event in pygame.event.get(): |
if event.type == pygame.QUIT: |
pygame.quit() |
sys.exit() |
elif event.type == pygame.KEYDOWN: |
if event.key == pygame.K_RIGHT: |
change_direction = 'right' |
if event.key == pygame.K_LEFT: |
change_direction = 'left' |
if event.key == pygame.K_UP: |
change_direction = 'up' |
if event.key == pygame.K_DOWN: |
change_direction = 'down' |
# 判断是否输入的方向与当前方向冲突 |
if change_direction == 'right' and not direction == 'left': |
direction = change_direction |
if change_direction == 'left' and not direction == 'right': |
direction = change_direction |
if change_direction == 'up' and not direction == 'down': |
direction = change_direction |
if change_direction == 'down' and not direction == 'up': |
direction = change_direction |
if direction == 'right': |
snake_position[0] += 20 |
if direction == 'left': |
snake_position[0] -= 20 |
if direction == 'up': |
snake_position[1] -= 20 |
if direction == 'down': |
snake_position[1] += 20 |
# 增加蛇的长度 |
snake_body.insert(0, list(snake_position)) |
# 判断是否吃掉目标 |
if snake_position[0] == target_position[0] and snake_position[1] == target_position[1]: |
target_flag = 0 |
score += 1 |
else: |
snake_body.pop() |
# 重新绘制目标 |
if target_flag == 0: |
x = random.randrange(1, 32) |
y = random.randrange(1, 24) |
target_position = [int(x * 20), int(y * 20)] |
target_flag = 1 |
# 绘制pygame窗口 |
play_surface.fill(whiteColor) |
for position in snake_body: |
pygame.draw.rect(play_surface, blackColor, pygame.Rect(position[0], position[1], 20, 20)) |
pygame.draw.rect(play_surface, redColor, pygame.Rect(target_position[0], target_position[1], 20, 20)) |
# 判断是否死亡 |
if snake_position[0] > 620 or snake_position[0] < 0: |
gameover(play_surface, score) |
if snake_position[1] > 460 or snake_position[1] < 0: |
gameover(play_surface, score) |
for snake_parts in snake_body[1:]: |
if snake_position[0] == snake_parts[0] and snake_position[1] == snake_parts[1]: |
gameover(play_surface, score) |
showScore(play_surface, score) |
pygame.display.flip() |
fps_clock.tick(5) |
if __name__ == "__main__": |
main() |
