auto save

snake.py

 import pygame
-
+from pygame import locals
+import random
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
 # 创建一个窗口
-??
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+screen = pygame.display.set_mode((800, 600))
+clock = pygame.time.Clock()  # 设置时钟
+
+# 载入图片
+bg = pygame.image.load('bg.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+left = pygame.image.load('left.png')
+right = pygame.image.load('right.png')
+body = pygame.image.load('body.png')
+apple = pygame.image.load('apple.png')
+x, y = 240, 330
+position = [(240, 420), (240, 390), (240, 360), (x, y)]  # 存储三个身体和一个蛇头位置
+setheading = 'right'  #设置朝向
+head = right
+apple_x = 360
+apple_y = 300
+
+score = 0
+font = pygame.font.Font('STXINGKA.TTF',20)
+speed = 5
+while True:
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            exit()
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_UP and setheading != 'down' :
+                setheading = 'up'
+                head = up
+            if event.key == locals.K_DOWN and setheading != 'up' :
+                setheading = 'down'
+                head = down
+            if event.key == locals.K_LEFT and setheading != 'right' :
+                setheading = 'left'
+                head = left
+            if event.key == locals.K_RIGHT and setheading != 'left' :
+                setheading = 'right'
+                head = right
+    if setheading == 'up':
+        y -= 30
+    elif setheading == 'down':
+        y += 30
+    elif setheading == 'left':
+        x -= 30
+    else:
+        x += 30
+    if (x,y) in position:  #判断舌头是否碰到身体
+        exit()
+    position.append((x, y))  # 每次把元组 x,y添加到列表的末尾
+    if x == apple_x and y == apple_y:
+        apple_x = (random.randint(1,26))*30-30
+        apple_y = (random.randint(1,20))*30-30
+        score+=10
+        speed += 5
+    else:  
+        position.pop(0)  # 删除列表的第一项
+    if x < 0 or x > 800 or y <0 or y > 570: #判断碰到墙壁
+        exit()
+
+    # 图片渲染
+    screen.blit(bg, (0, 0))
+    screen.blit(head, position[-1])
+    screen.blit(apple, (apple_x, apple_y))
+    for i in range(len(position)-1):  # 便利列表 取出三个身体位置
+        screen.blit(body, position[i])
+    text = font.render('分数:'+str(score),True,(0,0,0))
+    screen.blit(text,(20,20))
+    pygame.display.update()  # 刷新画面 一次刷新就可以
+    clock.tick(speed)  # 帧数控制速度

补课.py

+import pygame
+import pygame
+from pygame import locals
+
+pygame.init()
+
+scrren = pygame.display.set_mode((800, 600))
+
+#加载图片
+bg = pygame.image.load('bg.png')
+
+
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
+    #渲染
+    scrren.blit(bg,(0,0))
+    
+    #刷新画面
+    pygame.display.update()
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