save project

snake.py

@@ -10,15 +10,710 @@ screen = pygame.display.set_mode((660, 480))
 # 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')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.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')
 
 
+setheading="right"
+
+
 while True:
 while True:
+    if setheading=="right":
+        x+=30
+        a=right
+    elif:setheading=="left":
+        x-=30
+        a=left
+    elif:setheading=="up":
+        y-=30
+        a=up
+    else:
+        y+=30
+        a=down
     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()
-    # 将背景图画上去
+
+        if event.type==locals.KEYDOWM:
+            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"
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+   # 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, (240, 120))
     screen.blit(right, (240, 120))