save project

snake.py

@@ -10,6 +10,9 @@ 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')
 
 
@@ -17,20 +20,43 @@ wait=pygame.time.Clock()
 x,y=240, 120
 x,y=240, 120
 
 
 s=[(210, 120), (180, 120), (180, 90),(x,y)]
 s=[(210, 120), (180, 120), (180, 90),(x,y)]
+fx="right"
+t=right
 while True:
 while True:
-    x+=30
     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()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and fx!="left":
+                fx="right"
+                t=right
+            if event.key==locals.K_LEFT and fx!="right":
+                fx="left"
+                t=left
+            if event.key==locals.K_UP and fx!="down":
+                fx="up"
+                t=up
+            if event.key==locals.K_DOWN and fx!="up":
+                fx="down"
+                t=down
+    if fx=="right":
+        x+=30
+    elif fx=="left":
+        x-=30
+    elif fx=="up":
+        y-=30
+    else:
+        y+=30
     s.append((x,y))
     s.append((x,y))
     s.pop(0)
     s.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))
+    screen.blit(t,s[-1])
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
-    screen.blit(right,s[-1])
     for i in range(len(s)-1):
     for i in range(len(s)-1):
         screen.blit(body, s[i])
         screen.blit(body, s[i])
+
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
     # screen.blit(body, (210, 120))
     # screen.blit(body, (210, 120))
     # screen.blit(body, (180, 120))
     # screen.blit(body, (180, 120))