save project

snake.py

@@ -10,33 +10,61 @@ screen = pygame.display.set_mode((660, 480))
 #创建一个帧率的钟
 #创建一个帧率的钟
 FPSCLOCK = pygame.time.Clock()
 FPSCLOCK = pygame.time.Clock()
 
 
-x = 240
-y = 120
-move = [(180, 90),(180, 120),(210, 120),(x,y)]
-
 # 背景
 # 背景
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 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')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
+
+s = right
+a = 'right'
+x = 240
+y = 120
+move = [(180, 90),(180, 120),(210, 120),(x,y)]
+
 while True:
 while True:
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    screen.blit(s, (x, y))
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
     for i in range(len(move)-1):
     for i in range(len(move)-1):
         screen.blit(body,move[i])
         screen.blit(body,move[i])
     # 将果实画上去
     # 将果实画上去
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
-    x+=30
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_UP and a != 'down':
+                a = 'up'
+            if event.key == locals.K_DOWN and a != 'up':
+                a = 'down'
+            if event.key == locals.K_LEFT and a != 'right':
+                a = 'left'
+            if event.key ==  locals.K_RIGHT and a != 'left':
+                a = 'right'
+        
+    if a == 'up':
+        y-=30
+        s=up
+    if a == 'down':
+        y+=30
+        s=down
+    if a == 'left':
+        x-=30
+        s=left
+    if a == 'right':
+        x+=30
+        s=right
+
     move.pop(0)
     move.pop(0)
     move.append((x,y))
     move.append((x,y))
     #设置帧率
     #设置帧率
-    FPSCLOCK.tick(3)
+    FPSCLOCK.tick(12)
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
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