save project

snake.py

@@ -6,7 +6,7 @@ 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')
@@ -16,18 +16,30 @@ left = pygame.image.load('left.png')
 up = pygame.image.load('up.png')
 x,y = 240,120
 position = [(180,90),(180,120),(210,120),(x,y)]
+
+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.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'
+
     x += 30
     position.append((x,y))
     position.pop
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
+    screen.blit(snake_head.position[-1]))
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body,position[i])