save project

snake.py

@@ -28,12 +28,20 @@ while True:
             if event.key==locals.K_s and c!="up":
                 c="down"
                 d=do
-            if event.key==locals.K_w and c!="left":
+            if event.key==locals.K_d and c!="left":
                 c="right"
                 d=ri
-            if event.key==locals.K_w and c!="right":
+            if event.key==locals.K_a and c!="right":
                 c="left"
                 d=le
+    if c=="left":
+            x+=30
+    elif c=="right":
+            x-=30
+    elif c=="up":
+            y-=30
+    else:
+            y+=30
     # 将背景图画上去\
     b.append((x,y))
     b.pop(0)
@@ -46,14 +54,6 @@ while True:
 
     # 将果实画上去
     screen.blit(food, (360, 300))
-    if c=="left":
-            x+=30
-    if c=="right":
-            x-=30
-    if c=="up":
-            y-=30
-    else:
-            y+=30
     # 刷新画面
     pygame.display.update()
     a.tick(1)
\ No newline at end of file