save project

snake.py

@@ -18,9 +18,10 @@ FPSCLock=pygame.time.Clock()
 setheading = "right"
 setheading = "right"
 
 
 while True:
 while True:
+   
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
-         exit()
+            exit()
         if event.type == locals.KEYDOWN:
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT and setheading != "left":
             if event.key == locals.K_RIGHT and setheading != "left":
                 setheading = "right"
                 setheading = "right"
@@ -29,7 +30,21 @@ while True:
             if event.key == locals.K_UP and setheading != "down":
             if event.key == locals.K_UP and setheading != "down":
                 setheading = "up"
                 setheading = "up"
             if event.key == locals.K_DOWN and setheading != "left": 
             if event.key == locals.K_DOWN and setheading != "left": 
-                setheading = "down"   
+                setheading = "down"
+    if setheading == "right":
+       x+=30
+    elif setheading == "left": 
+       x-=30
+    elif setheading == "up": 
+       y+=30
+    else:
+       y-=30
+
+
+
+
+
+      
     # 将背景图画上去
     # 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
@@ -46,7 +61,7 @@ while True:
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
-    x=x+30
+   
     FPSCLock.tick(3)
     FPSCLock.tick(3)