save project

snake.py

@@ -10,29 +10,55 @@ screen = pygame.display.set_mode((660, 480))
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+left = pygame.image.load('left.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-pygame.time.Clock.tick()
+FPSLOCK=pygame.time.Clock()
+x,y=240,120
 position = [(180,90),(180,120),(210,120)]
 while True:
     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 == locals.KEYDOWN:
+            if event.key ==locals.K_RIGHT and setheading != "left":
+                setheading = 'right'
+            if event.key ==locals.K_LEFT and setheading != "right":
+                setheading = 'left'
+            if event.key ==locals.K_UP and setheading != "down":
+                setheading = 'up'
+            if event.key ==locals.K_DOWN and setheading != "up":
+                setheading = 'down'
+    if  setheading == "right":
+        x += 30
+    elif  setheading == "left":
+        x -= 30
+    elif setheading == "down":
+        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(background, (0,0) )
     screen.blit(right, (x, y))
+    # 将贪吃蛇画上去
     x += 30
     # 将贪吃蛇的身体画上去
     position.append((x,y))
     position.pop((0))
-    FPSLOCK = pygame.time.clock():FPSLOCK.tick(3)
+    
     #screen.blit(body, (210, 120))
     #screen.blit(body, (180, 120))
     #screen.blit(body, (180, 90))
-    screen.belt(right,position[-1])
+    screen.blit(right,position[-1])
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
+    FPSLOCK.tick(3)