【C语言小练习】CMD控制台版贪吃蛇[通俗易懂]

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【C语言小练习】CMD控制台版贪吃蛇

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#include <stdio.h><br />#include <conio.h><br />#include <Windows.h><br />#include <ctime></p> <p>//———————————————<br />//1.全局数据<br />const unsigned int StageLength = 18; //舞台宽度<br />const unsigned int StageHeight = 8; //舞台高度<br />const DWORD GameSpeed = 350; //游戏速度，刷新率</p> <p>//游戏的字符<br />const char G_Head = ‘@’;<br />const char G_Body = ‘#’;<br />const char G_Food = ‘*’;<br />const char G_None = ‘.’;</p> <p>/*</p> <p>GameArr：游戏数组<br />0:什么都没有； 1：蛇头； 2：蛇身； 3：可以吃的节点<br />坐标摆放方式：</p> <p>原点————->X++<br /> |<br /> |<br /> | GameArr[Y][X]<br /> |<br /> V<br /> Y++</p> <p>*/<br />unsigned int GameArr[StageHeight][StageLength] = {0};</p> <p>char ScreenArr[StageHeight][StageLength] = {0};//屏幕数组<br />/*<br />SCache：蛇的节点数组<br />[X][Y]<br />X：蛇的第几个节点。头部是第一个节点。从1开始使用。<br />Y：[0] / [1] ：该节点的坐标<br /> [2] ：该节点的方向 0:停止，1:左, 2:右, 3:上, 4:下<br />*/<br />unsigned int SCache[StageHeight*StageLength][3] = {0};<br />unsigned int SLength = 0;//蛇的长度<br />bool SAddNewNode = false;</p> <p>int GameState = 0;//游戏状态 -1：错误，0:未开始, 1:游戏中， 2:输了<br />unsigned int FoodLocation[2] = {0};</p> <p>clock_t StartTime = 0;//开始时间<br />clock_t EndTime = 0;//结束时间</p> <p>int RandSrand = 0;//随机数种子</p> <p>//———————————————-<br />//2.内部数据处理函数<br />//2.1 初始化，蛇在屏幕中央<br />void Data_Init( );<br />//在游戏开始之前，保存初始化状态<br />void Data_KeepInit( );<br />//2.2 蛇移动<br />void Data_SMove( );<br />//2.3 处理越界<br />void Data_SMove_isOutofStage( unsigned int posX, unsigned int posY );<br />//2.4 处理碰撞<br />void Data_SMove_HitTest( unsigned int SHeadPosX, unsigned int SHeadPosY );<br />//2.5 处理食物<br />void Data_SMove_EatFoodTest( unsigned int SHeadPosX, unsigned int SHeadPosY );<br />//2.6 摆放食物<br />void Data_SetFood( );</p> <p>//———————————————-<br />//3.图形处理函数<br />//3.1 更新图形缓存<br />void Graphic_GetNewData( );<br />//3.2 刷新图形<br />void Graphic_RefreshScreen( );</p> <p>//———————————————-<br />//4.输出处理函数<br />void Input_Control( );</p> <p>//5.入口函数<br />int main( void )<br />{<br /> //1.初始化游戏<br /> Data_Init();<br /> //2.运行游戏<br /> while( true )<br /> {<br /> //2.1 检查输入<br /> Input_Control( );<br /> //2.2 执行游戏<br /> switch( GameState )<br /> {<br /> case -1:<br /> printf( “游戏出错。按任意键退出。/r/n” );<br /> getch();<br /> exit(1);<br /> case 0:<br /> Data_KeepInit();<br /> break;<br /> case 1:<br /> Data_SMove();<br /> break;<br /> case 2:<br /> EndTime = clock();<br /> unsigned int gameTime = ( EndTime – StartTime )/CLOCKS_PER_SEC;<br /> printf( “你输了，游戏结束。你的成绩是:/r/n”);<br /> printf( “时间：%u秒。长度：%u 。/r/n”, gameTime, SLength );<br /> printf( “按任意键退出。/r/n”);<br /> getch();<br /> exit(1);<br /> }<br /> if( (GameState == 0) || (GameState == 1) )<br /> {<br /> //2.3 刷新图形<br /> Graphic_GetNewData( );<br /> Graphic_RefreshScreen( );<br /> //2.4 延时<br /> Sleep( GameSpeed );<br /> }<br /> }<br />}</p> <p>//———————————————-<br />//2.内部数据处理函数</p> <p>//2.1 初始化，蛇在屏幕中央<br />void Data_Init( )<br />{<br /> system( “title 贪吃蛇 by 蛋疼喵咪 @ : 蛇头 # : 蛇身 * : 食物” );<br /> //1.检查参数<br /> if( StageLength < 5 )<br /> {<br /> printf( “舞台长度太小。/r/n”);<br /> GameState = -1;<br /> return;<br /> }<br /> if( StageHeight < 5 )<br /> {<br /> printf( “舞台长度太小。/r/n”);<br /> GameState = -1;<br /> return;<br /> }<br /> //2.得到屏幕中心坐标<br /> unsigned int XCenterPos = 0;<br /> unsigned int YCenterPos = 0;<br /> XCenterPos = StageLength / 2;<br /> YCenterPos = StageHeight / 2;<br /> //3.初始化蛇<br /> SLength = 1;<br /> SCache[1][0] = YCenterPos;<br /> SCache[1][1] = XCenterPos;<br /> SCache[1][2] = 0;<br /> //4.初始化食物<br /> Data_SetFood();<br />}</p> <p>//在游戏开始之前，保存初始化状态<br />void Data_KeepInit( )<br />{<br /> GameArr[ SCache[1][0] – 1 ][ SCache[1][1] – 1 ] = 1;<br /> GameArr[ FoodLocation[0]-1 ][ FoodLocation[1]-1 ] = 3;<br />}</p> <p>//2.2 蛇移动<br />void Data_SMove( )<br />{<br /> unsigned int nextPosX = 0;//蛇头移动后的X坐标<br /> unsigned int nextPosY = 0;//蛇头移动后的Y坐标<br /> unsigned int SDirection = SCache[1][2];<br /> //1.获取预移动坐标<br /> switch( SDirection )<br /> {<br /> case 0://不移动<br /> return;<br /> case 1://1.1 左移<br /> nextPosY = SCache[1][0];<br /> nextPosX = SCache[1][1] – 1;<br /> break;<br /> case 2://1.2 右移<br /> nextPosY = SCache[1][0];<br /> nextPosX = SCache[1][1] + 1;<br /> break;<br /> case 3://1.3 上移<br /> nextPosY = SCache[1][0] – 1;<br /> nextPosX = SCache[1][1];<br /> break;<br /> case 4://1.4 下移<br /> nextPosY = SCache[1][0] + 1;<br /> nextPosX = SCache[1][1];<br /> break;<br /> }<br /> //2.处理越界<br /> Data_SMove_isOutofStage( nextPosX, nextPosY );<br /> if( GameState == 2 )<br /> {<br /> return;<br /> }<br /> //3.处理碰撞<br /> Data_SMove_HitTest( nextPosX, nextPosY );<br /> if( GameState == 2 )<br /> {<br /> return;<br /> }<br /> //4.处理食物<br /> Data_SMove_EatFoodTest( nextPosX, nextPosY );<br /> //5.获取最后一个节点值，用于增加长度<br /> unsigned int lastNode[2] = {0};<br /> lastNode[0] = SCache[ SLength ][0];<br /> lastNode[1] = SCache[ SLength ][1];<br /> //5.移动<br /> unsigned int i = 0;<br /> unsigned int preNodeLastPos[2] = {0};<br /> unsigned int tPos[2] = {0};<br /> preNodeLastPos[0] = SCache[1][0];<br /> preNodeLastPos[1] = SCache[1][1];<br /> //5.1 移动第一个节点<br /> SCache[1][0] = nextPosY;<br /> SCache[1][1] = nextPosX;<br /> //5.2 处理后续节点<br /> for( i = 2; i<=SLength; i++ )<br /> {<br /> tPos[0] = SCache[i][0];<br /> tPos[1] = SCache[i][1];<br /> SCache[i][0] = preNodeLastPos[0];<br /> SCache[i][1] = preNodeLastPos[1];<br /> preNodeLastPos[0] = tPos[0];<br /> preNodeLastPos[1] = tPos[1];<br /> }<br /> //6.处理新增加节点：SAddNewNode<br /> if( SAddNewNode == true )<br /> {<br /> SAddNewNode = false;<br /> SLength++;<br /> SCache[SLength][0] = lastNode[0];<br /> SCache[SLength][1] = lastNode[1];<br /> }<br /> //7.写入蛇的位置<br /> GameArr[ SCache[1][0]-1 ][ SCache[1][1]-1 ] = 1;<br /> for( i = 2; i <= SLength; i++ )<br /> {<br /> GameArr[ SCache[i][0]-1 ][ SCache[i][1]-1 ] = 2;<br /> }<br />}</p> <p>//2.3 处理越界<br />void Data_SMove_isOutofStage( unsigned int posX, unsigned int posY )<br />{<br /> if( (posX < 1) || (posX > StageLength) )<br /> {<br /> printf( “越界！/r/n” );<br /> GameState = 2;<br /> }<br /> else if( (posY < 1) || (posY > StageHeight) )<br /> {<br /> printf( “越界！/r/n” );<br /> GameState = 2;<br /> }<br />}</p> <p>//2.4 处理碰撞<br />void Data_SMove_HitTest( unsigned int SHeadPosX, unsigned int SHeadPosY )<br />{<br /> unsigned int i = 0;<br /> for( i = 2; i <= SLength; i++ )<br /> {<br /> if( (SHeadPosY == SCache[i][0]) && (SHeadPosX == SCache[i][1]) )<br /> {<br /> printf( “撞到自己的第%u个节点了。/r/n”, i );<br /> GameState = 2;<br /> break;<br /> }<br /> }<br />}</p> <p>//2.5 处理食物<br />void Data_SMove_EatFoodTest( unsigned int SHeadPosX, unsigned int SHeadPosY )<br />{<br /> unsigned int i = 0;<br /> unsigned int SHeadX = 0;<br /> unsigned int SHeadY = 0;<br /> unsigned int FoodX = 0;<br /> unsigned int FoodY = 0;<br /> //1.获取蛇头坐标<br /> SHeadY = SCache[1][0];<br /> SHeadX = SCache[1][1];<br /> //2.获取食物坐标<br /> FoodY = FoodLocation[0];<br /> FoodX = FoodLocation[1];<br /> //3.判断是否吃到<br /> if( (SHeadX == FoodX) && (SHeadY == FoodY) )<br /> {<br /> SAddNewNode = true;//设置节点+1<br /> Data_SetFood( );//放置新食物<br /> }<br /> else<br /> {<br /> //放置旧食物<br /> GameArr[ FoodLocation[0]-1 ][ FoodLocation[1]-1 ] = 3;<br /> }<br />}</p> <p>//2.6 摆放食物<br />void Data_SetFood( )<br />{<br /> unsigned int FoodX = 0;<br /> unsigned int FoodY = 0;<br /> unsigned int i = 0;<br /> bool continueSrand = false;<br /> //1.取消上一次的位置<br /> if( FoodLocation[0] != 0 )<br /> {<br /> GameArr[ FoodLocation[0] – 1 ][ FoodLocation[1] – 1 ] = 0;<br /> FoodLocation[0] = 0;<br /> FoodLocation[1] = 0;<br /> }<br /> do<br /> {<br /> //2.获取随机位置<br /> RandSrand++;<br /> srand( time(NULL) + RandSrand );<br /> FoodY = rand() % StageHeight + 1;<br /> FoodX = rand() % StageLength + 1;<br /> //3.测试这个位置是否可用<br /> continueSrand = false;<br /> for( i = 1; i <= SLength; i++ )<br /> {<br /> if( (SCache[i][0] == FoodY) && (SCache[i][1] == FoodX) )<br /> {<br /> continueSrand = true;<br /> }<br /> }<br /> }while( continueSrand );<br /> //4.设置食物位置<br /> FoodLocation[0] = FoodY;<br /> FoodLocation[1] = FoodX;<br /> GameArr[ FoodLocation[0] – 1 ][ FoodLocation[1] – 1 ] = 3;<br />}</p> <p>//———————————————-<br />//3.图形处理函数<br />//3.1 更新图形缓存，同时清空GameArr<br />void Graphic_GetNewData( )<br />{<br /> unsigned int XI = 0;<br /> unsigned int YI = 0;<br /> for( YI = 0; YI < StageHeight; YI++ )<br /> {<br /> for( XI = 0; XI < StageLength; XI++ )<br /> {<br /> switch( GameArr[YI][XI] )<br /> {<br /> case 0:<br /> ScreenArr[YI][XI] = G_None;<br /> break;<br /> case 1:<br /> ScreenArr[YI][XI] = G_Head;<br /> break;<br /> case 2:<br /> ScreenArr[YI][XI] = G_Body;<br /> break;<br /> case 3:<br /> ScreenArr[YI][XI] = G_Food;<br /> break;<br /> }<br /> GameArr[YI][XI] = 0;<br /> }<br /> }<br />}</p> <p>//3.2 刷新图形<br />void Graphic_RefreshScreen( )<br />{<br /> unsigned int XI = 0;<br /> unsigned int YI = 0;<br /> system( “CLS” );<br /> for( YI = 0; YI < StageHeight; YI++ )<br /> {<br /> for( XI = 0; XI < StageLength; XI++ )<br /> {<br /> printf( “%c”, ScreenArr[YI][XI] );<br /> }<br /> printf( “/r/n” );<br /> }<br /> //输出当前成绩<br /> if( GameState == 1 )<br /> {<br /> EndTime = clock();<br /> }<br /> unsigned int gameTime = ( EndTime – StartTime )/CLOCKS_PER_SEC;<br /> printf( “/r/n当前成绩：时间：%u秒。长度：%u 。/r/n/r/n”, gameTime, SLength );<br /> if( GameState == 0 )<br /> {<br /> printf( “请按方向键，开始游戏。/r/n”);<br /> }<br />}<br />//———————————————-<br />//4.输出处理函数<br />void Input_Control( )<br />{<br /> char inputChar[2] = {0};<br /> unsigned int inputNum = 0;<br /> while( true )<br /> {<br /> if( kbhit() != 0 )<br /> {<br /> if( inputNum == 2 )<br /> {<br /> inputNum = 0;<br /> }<br /> inputNum++;<br /> inputChar[ inputNum-1 ] = getch();<br /> }<br /> else<br /> {<br /> break;<br /> }<br /> }<br /> if( inputNum == 2 )<br /> {<br /> if( inputChar[0] == -32 )<br /> {<br /> if( GameState == 0 )<br /> {<br /> GameState = 1;<br /> StartTime = clock();<br /> }<br /> switch( inputChar[1] )<br /> {<br /> //不能往返走<br /> case 75://左<br /> if( (SLength > 1) && (SCache[1][2] != 2) )<br /> {<br /> SCache[1][2] = 1;<br /> }<br /> else<br /> {<br /> SCache[1][2] = 1;<br /> }<br /> break;<br /> case 77://右<br /> if( (SLength > 1) && (SCache[1][2] != 1) )<br /> {<br /> SCache[1][2] = 2;<br /> }<br /> else<br /> {<br /> SCache[1][2] = 2;<br /> }<br /> break;<br /> case 72://上<br /> if( (SLength > 1) && (SCache[1][2] != 4) )<br /> {<br /> SCache[1][2] = 3;<br /> }<br /> else<br /> {<br /> SCache[1][2] = 3;<br /> }<br /> break;<br /> case 80://下<br /> if( (SLength > 1) && (SCache[1][2] != 3) )<br /> {<br /> SCache[1][2] = 4;<br /> }<br /> else<br /> {<br /> SCache[1][2] = 4;<br /> }<br /> break;<br /> }<br /> }<br /> }<br />}

By 蛋疼喵咪(xxMix)