save project

snake.py

@@ -7,23 +7,59 @@ pygame.init()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 FPSCLOCk=pygame.time.Clock()
+
+
+
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+
+
 i=pygame.time.Clock()
 x,y = 240,120
 position = [(180,90),(180,120),(210,120),(x,y)]
+append_x = 360
+append_y = 300
 
 
+setheading = "right"
+snake_head = right
 
 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"
+                snake_head = right
+            if event.key == locals.K_RIGHT and setheading != "right":
+                setheading = "left"
+                snake_head = left    
+            if event.key == locals.K_RIGHT and setheading != "down":
+                setheading = "up"
+                snake_head = up
+            if event.key == locals.K_RIGHT and setheading != "up":
+                setheading = "down"
+                snake_head = down
+
+
+    if setheading == "right":
+        x += 30
+    elif  setheading == "left":
+        x -= 30
+    elif  setheading == "up":
+        x -= 30
+    else:
+        x += 30
+
+
 
     x = x+30
     position.append((x,y))