save project

snake.py

@@ -25,25 +25,25 @@ while True:
             # 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":
+            if event.key==locals.K_RIGHT and setheading != "left":
                 setheading = "right"
                 snake_h=right
-            if event.key==locals.k_RIGHT and setheading != "right":
+            if event.key==locals.K_LEFT and setheading != "right":
                 setheading = "left"
                 snake_h=left
-            if event.key==locals.k_RIGHT and setheading != "up":
+            if event.key==locals.K_DOWN and setheading != "up":
                 setheading = "down"
                 snake_h=down
-            if event.key==locals.k_RIGHT and setheading != "down":
+            if event.key==locals.K_UP and setheading != "down":
                 setheading = "up"
                 snake_h=up
     if setheading == "right":
         x+=30
-    if setheading == "left":
+    elif setheading == "left":
         x-=30
-    if setheading == "down":
+    elif setheading == "down":
         y+=30
-    if setheading == "up":
+    elif setheading == "up":
         y-=30            
     position.append((x,y))
     position.pop(0)
@@ -51,7 +51,7 @@ while True:
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x,y))
+    screen.blit(snake_h,(x,y))
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body,position[i])