save project

snake.py

@@ -10,6 +10,9 @@ f = pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
+left = pygame.image.load('left.png')
+down = pygame.image.load('down.png')
+up = pygame.image.load('up.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x,y=240,120
@@ -18,35 +21,37 @@ setheading = "right"
 str(setheading)
 while True:
     for event in pygame.event.get():
-        if event.type == locals.K_RIGHT and setheading != "left":
-            setheading = "right"
-        if event.type == locals.K_LEFT and setheading != "right":
-            setheading = "left"
-        if event.type == locals.K_DOWN and setheading != "up":
-            setheading = "down"
-        if event.type == locals.K_UP and setheading != "down":
-            setheading = "up"
         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"
+            if event.key == locals.K_LEFT and setheading != "right":
+                setheading = "left"
+            if event.key == locals.K_DOWN and setheading != "up":
+                setheading = "down"
+            if event.key == locals.K_UP and setheading != "down":
+                setheading = "up"
+        
     if setheading == "right":
         x += 30
-        screen.blit(right,pos[-1])
+        #screen.blit(right,pos[-1])
     if setheading == "left":
         x -= 30
-        screen.blit(left,pos[-1])
+        #screen.blit(left,pos[-1])
     if setheading == "down":
         y += 30
-        screen.blit(dwon,pos[-1])
+        #screen.blit(dwon,pos[-1])
     if setheading == "up":
         y -= 30
-        screen.blit(up,pos[-1])
+        #screen.blit(up,pos[-1])
     pos.append((x,y))
     pos.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    #screen.blit(right,pos[-1])
+    screen.blit(right,pos[-1])
     # 将贪吃蛇的身体画上去
     for i in range(len(pos)-1):
         screen.blit(body,pos[i])