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snake.py

@@ -4,47 +4,78 @@ FK = pygame.time.Clock()
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 pygame.init()
 
 
+
+
 # 创建一个窗口
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 screen = pygame.display.set_mode((660, 480))
-FPSCLOCK = pygame.time.Clock()
+FPSCLOCK=pygame.time.Clock()
 # 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')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
 left = pygame.image.load('left.png')
 left = pygame.image.load('left.png')
 up = pygame.image.load('up.png')
 up = pygame.image.load('up.png')
-x,y = 240,120
-position = [(180,90),(180,120),(210,120),(x,y)]
+down = pygame.image.load('down.png')
+
+
+x,y=240,120
+position=[(180,90), (180,120), (210,120), (x,y)]
 
 
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
+
 while True:
 while True:
     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.key == locals.K_RIGHT and setheading != "left":
+
+  
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading != "left":
                 setheading = 'right'
                 setheading = 'right'
+                snake_head=right
             if event.key == locals.K_LEFT and setheading != "right":
             if event.key == locals.K_LEFT and setheading != "right":
                 setheading = 'left'
                 setheading = 'left'
+                snake_head=left
             if event.key == locals.K_UP and setheading != "down":
             if event.key == locals.K_UP and setheading != "down":
                 setheading = 'up'
                 setheading = 'up'
+                snake_head=up
             if event.key == locals.K_DOWN and setheading != "up":
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
                 setheading = 'down'
+                snake_head=down
+
+
+
+    if setheading == "right":
+        x += 30
+    elif setheading == "left":
+        x-= 30
+    elif setheading == "up":
+        y -= 30
+    else:
+        y += 30
+
+
+
 
 
-    x += 30
     position.append((x,y))
     position.append((x,y))
-    position.pop
+    position.pop(0)
     # 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(snake_head.position[-1]))
+    screen.blit(snake_head, position[-1])
     # 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(position)-1):
     for i in range(len(position)-1):
         screen.blit(body,position[i])
         screen.blit(body,position[i])
     # 将果实画上去
     # 将果实画上去
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
-    FK.tick(3)
+    FPSCLOCK.tick(3)