save project

snake.py

@@ -53,6 +53,7 @@ while True:
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = "down"
                 snake_tou = down
+
     # 蛇头根据方向变换
     if snake_tou == right:
         x += 30
@@ -62,20 +63,32 @@ while True:
         y -= 30
     else:
         y += 30
+
+    # 根据位置更改列表
     position.append((x,y))
     position.pop(0)
+
+    # FPSCLOCK方法
     FPSCLOCK.tick(3)
-    # 将背景图画上去
+
+    # 渲染背景
     screen.blit(background, (0, 0))
-    # 将贪吃蛇画上去
+
+    # 渲染蛇头
     screen.blit(snake_tou,position[-1])
-    # 将贪吃蛇的身体画上去
+
+    # 渲染蛇身
+    # 通过列表遍历渲染蛇身
     for i in range(len(position)-1):
         screen.blit(body,position[i])
+    
+    # 以下为调试方法
     #screen.blit(body, (x-30, y))
     #screen.blit(body, (x-60, y))
     #screen.blit(body, (x-60, y-30))
-    # 将果实画上去
+
+    # 渲染食物
     screen.blit(food, (360,180))
-    # 刷新画面
+
+    # 更新画面
     pygame.display.update()
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