save project

snake.py

@@ -37,14 +37,14 @@ while True:
             if event.key==locals.K_DOWN and setheading!="up":
                 setheading="down"
                 snake_head=down
-if setheading=="right":
-    x +=30
-elif setheading=="left":
-    x-=30
-elif setheading=="up":
-    y-=30
-else:
-    y+=30
+    if setheading=="right":
+        x +=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else:
+        y+=30
     position.append((x,y))
     position.pop(0)
     # 将背景图画上去