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# pragma once
# include "common.h"
# include <list>
class Snake
{
public :
const int MinSpeed = 1 ; //蛇的最小速度
const int MaxSpeed = 25 ; //蛇的最大速度
const int OrgSpeed = 20 ; //蛇的原始速度
private :
int m_len ; //蛇的长度
int m_speed ; //蛇的速度
Dir m_direction ; //蛇的方向
Point m_tail ; //蛇移动过后的尾部节点,主要用于吃食物
public :
Snake ( ) ;
Snake ( int x ) ;
std : : list < Point > m_snakelist ; //蛇的链表
int getLen ( ) ; //获取长度
int getSpeed ( ) ; //获取速度
Dir getDirection ( ) ; //获取方向
bool setSpeed ( int speed ) ; //设置速度, 设置成功返回true
void Move ( ) ; //移动一节
void EatFood ( ) ; //吃食物
void ChangeDir ( Dir dir ) ; //改变方向
void Dead ( ) ; //死亡
bool ColideWall ( int left , int top , int right , int bottom ) ; //碰撞到墙
bool ColideSnake ( ) ; //碰撞到了自身
bool ColideSnake2 ( Snake & m_snake2 ) ; //碰到其它蛇
bool ColideFood ( Point point ) ; //碰到了食物
void DrawSnake ( ) ; //绘制蛇
void DrawSnake2 ( ) ; //绘制蛇2
void DrawSnakeHead ( Point pos ) ; //绘制蛇头
void DrawSnakeNode ( Point pos ) ; //绘制蛇的身体结点
void DrawSnakeHead2 ( Point pos ) ; //绘制蛇头2
void DrawSnakeNode2 ( Point pos ) ; //绘制蛇的身体结点2
std : : list < Point > GetSnakeAllNode ( ) ;
} ;