auto save

snake.py

+import pygame
+import random
+from pygame import locals
+
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+pygame.display.set_caption('贪吃蛇')
+
+FPSCLOCK=pygame.time.Clock()
+# 背景
+background = pygame.image.load('bg.png')
+#导入图片
+right = pygame.image.load('right.png')
+left=pygame.image.load('left.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+#导入字体
+my_font=pygame.font.Font('neuropol.ttf',25)
+x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
+direction='right'
+snake_head=right
+food_x=0
+food_y=0
+food_x=random.randint(2,21)*30
+food_y=random.randint(2,15)*30
+score=0
+while True:
+    if x>630 or x<0 or y<0 or y>450:
+        exit()
+    elif (x,y) in position[0:-1]:
+        exit()
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            # 接收到退出事件后退出程序
+            exit()
+        if event.type==pygame.KEYDOWN:
+            if event.key==locals.K_UP and direction != 'down':
+                direction='up'
+                snake_head=up
+            if event.key==locals.K_DOWN and direction != 'up':
+                direction='down'
+                snake_head=down
+            if event.key==locals.K_LEFT and direction != 'right':
+                direction='left'
+                snake_head=left
+            if event.key==locals.K_RIGHT and direction != 'left':
+                direction='right'
+                snake_head=right
+    info='score:'+str(score)
+    text=my_font.render(info,True,(0,0,0))
+    if direction=='left':
+        x-=30
+    elif direction=='right':
+        x+=30
+    elif direction=='up':
+        y-=30
+    else:
+        y+=30
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    screen.blit(snake_head,position[-1])
+    # 将贪吃蛇的身体画上去
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+    # 将果实画上去
+    screen.blit(food, (food_x, food_y))
+    screen.blit(text,(530,10))
+    if (x,y) == (food_x,food_y):
+        food_x=random.randint(2,21)*30
+        food_y=random.randint(2,15)*30
+        position.append((x,y))
+        score+=1
+    else:
+        position.append((x,y))
+        position.pop(0)
+    #检测是否碰到边界
+
+    # 刷新画面
+    pygame.display.update()
+    FPSCLOCK.tick(5)
+