save project

snake.py

@@ -9,28 +9,54 @@ screen = pygame.display.set_mode((660, 480))
 
 
 a=pygame.time.Clock()
 a=pygame.time.Clock()
 
 
+set = "right"
+
+
 x , y = 240 , 120
 x , y = 240 , 120
-abab = [(210, 120),(180, 120),(180, 90),(x,y)]
+abab = [(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')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
+up = pygame.image.load('up.png')
+left = pygame.image.load('left.png')
+down = pygame.image.load('down.png')
+
+snake = 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()
-    
-
-    x += 30
+        elif  event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and set != "left":
+                set = "right"
+                snake = right
+            if event.key == locals.K_LEFT and set != "right":
+                set = "left"
+                snake = left
+            if event.key == locals.K_UP and set != "down":
+                set = "up"
+                snake = up
+            if event.key == locals.K_DOWN and set != "up":
+                set = "down"
+                snake = down
+    if set == "right":
+        x += 30
+    if set == "left":
+        x -= 30
+    if set == "up":
+        y -= 30
+    if set == "down":
+        y += 30
     abab.append((x,y))
     abab.append((x,y))
     abab.pop(0)
     abab.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(right, (x, y))
+    screen.blit(snake, (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(abab)-1):
     for i in range(len(abab)-1):
         screen.blit(body ,abab[i])
         screen.blit(body ,abab[i])
@@ -41,4 +67,4 @@ while True:
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
-    a.tick(10)
+    a.tick(3)
\ No newline at end of file