C++如何实现简易贪吃蛇游戏

这篇文章主要介绍C++如何实现简易贪吃蛇游戏，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

C++实现建议贪吃蛇(不会闪屏幕)

使用vs2013完成。记录踏上游戏开发的道路。

效果图

代码

//2021.7.24.1贪吃蛇.cpp:定义控制台应用程序的入口点。
//

#include"stdafx.h"
#include<iostream>
#include<list>
#include<numeric>
#include<algorithm>
#include<Windows.h>
#include<WinUser.h>
#include<cstdlib>
#include<ctime>
#include<vector>
usingnamespacestd;

#defineKEY_DOWN(vk_code)(GetAsyncKeyState(vk_code)&0x8000?1:0)
#defineMAX_SNAKE_LEN20
#defineMAP_MAXIMUM_HEIGHT20
#defineMAP_MAXIMUM_WIDTH20
#defineMAX_NUMBER_FRUIT5


structsSnakeBody
{
voidsetPostion(intx,inty)
{
nSnakeBodyX=x;
nSnakeBodyY=y;
}
voidsetPostion(sSnakeBody*temp)
{
nSnakeBodyX=temp->nSnakeBodyX;
nSnakeBodyY=temp->nSnakeBodyY;
}
intnSnakeBodyX;
intnSnakeBodyY;
};
typedeflist<sSnakeBody>LISTSNAKEBODY;

structsSnake
{
sSnake()
{
nSnakeHeadX=1;
nSnakeHeadY=1;
nSnakeDirection=1;
speed=5;
}
boolisExit(sSnakeBodytemp)
{
if(nSnakeHeadX==temp.nSnakeBodyX&&nSnakeHeadY==temp.nSnakeBodyY)
{
returntrue;
}
returnfalse;
}
boolisExit(intx,inty)
{
if(nSnakeHeadX==x&&nSnakeHeadY==y)
{
returntrue;
}
returnfalse;
}
voidreduction(sSnakeBodytemp)
{
nSnakeHeadX=2*nSnakeHeadXBk-temp.nSnakeBodyX;
nSnakeHeadY=2*nSnakeHeadYBk-temp.nSnakeBodyY;
}

intnSnakeHeadX;
intnSnakeHeadY;
intnSnakeHeadXBk;
intnSnakeHeadYBk;
intnSnakeDirection;//0表示上，1表示右，2表示下，3表示左，顺时针
intspeed;//指的是几个循环前进一次
LISTSNAKEBODYsnakeBodyList[MAX_SNAKE_LEN];
};

structsFruit
{
intFruitX;
intFruitY;
sFruit()
{
FruitX=-1;
FruitY=-1;
}
sFruit(intx,inty)
{
FruitX=x;
FruitY=y;
}
boolisExit(sSnakesnake)
{
if(FruitX==snake.nSnakeHeadX&&FruitY==snake.nSnakeHeadY)
returntrue;
elsereturnfalse;
}
};

vector<sFruit>gFruitVector;

sSnakegSnake;

//显示地图
voidshowArrMap(intarrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH])
{
system("cls");
for(inti=0;i<MAP_MAXIMUM_HEIGHT;i++)
{
for(intj=0;j<MAP_MAXIMUM_WIDTH;j++)
{
if(1==arrMap[i][j]||gSnake.isExit(i,j))
{
cout<<"■";
}
elseif(arrMap[i][j]==2)
{
cout<<"●";
}
else
{
cout<<"";
}
}
if(4==i)
{
cout<<"\t得分："<<gSnake.snakeBodyList->size();
}

cout<<endl;
}
}

//将数据加载到地图上。返回值为加载后游戏是否失败
boolmapLoadData(intarrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH])
{

//加载水果的数据
for(unsignedinti=0;i<gFruitVector.size();i++)
{
arrMap[gFruitVector[i].FruitX][gFruitVector[i].FruitY]=2;
}


//加载蛇的身体数据
for(LISTSNAKEBODY::iteratoriter=gSnake.snakeBodyList->begin();iter!=gSnake.snakeBodyList->end();iter++)
{
arrMap[iter->nSnakeBodyX][iter->nSnakeBodyY]=1;
}


//吃到第一个水果的时候，一定不是游戏失败
if(gSnake.snakeBodyList->size()==1&&gSnake.isExit(gSnake.snakeBodyList->front()))
{
returnfalse;
}


if(arrMap[gSnake.nSnakeHeadX][gSnake.nSnakeHeadY]==1)
returntrue;
returnfalse;
}

//更新蛇的数据
voidupdateSnake(int&nProgramCounter)
{
if(nProgramCounter>gSnake.speed)
{
gSnake.nSnakeHeadXBk=gSnake.nSnakeHeadX;
gSnake.nSnakeHeadYBk=gSnake.nSnakeHeadY;

if(gSnake.nSnakeDirection==0)
{
gSnake.nSnakeHeadX--;

}
elseif(gSnake.nSnakeDirection==1)
{
gSnake.nSnakeHeadY++;
}
elseif(gSnake.nSnakeDirection==2)
{
gSnake.nSnakeHeadX++;
}
elseif(gSnake.nSnakeDirection==3)
{
gSnake.nSnakeHeadY--;
}
if(gSnake.snakeBodyList->size()!=0)
{
if(gSnake.isExit(gSnake.snakeBodyList->front()))
{
gSnake.reduction(gSnake.snakeBodyList->front());
}
}

//蛇的身体移动
if(gSnake.snakeBodyList->size()!=0)
{
sSnakeBodysnakeBody;
snakeBody.setPostion(gSnake.nSnakeHeadXBk,gSnake.nSnakeHeadYBk);
gSnake.snakeBodyList->push_front(snakeBody);
gSnake.snakeBodyList->pop_back();
}
nProgramCounter=0;
}
}

//绑定键盘事件
voidbindKeyboardEvents()
{
if(KEY_DOWN(VK_UP))
{
gSnake.nSnakeDirection=0;
}
elseif(KEY_DOWN(VK_RIGHT))
{
gSnake.nSnakeDirection=1;
}
elseif(KEY_DOWN(VK_DOWN))
{
gSnake.nSnakeDirection=2;
}
elseif(KEY_DOWN(VK_LEFT))
{
gSnake.nSnakeDirection=3;
}

if(KEY_DOWN(VK_SHIFT))
{
gSnake.speed=2;
}
else
{
gSnake.speed=5;
}
}

//随机生成N个水果，
voidrandomlyGeneratedFruit(intN,intarrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH])
{
intmaxi=MAP_MAXIMUM_HEIGHT;
intmaxj=MAP_MAXIMUM_WIDTH;
intAllCnt=0;

vector<int>randMap;

for(inti=0;i<maxi;i++)
{
for(intj=0;j<maxj;j++)
{
if(0==arrMap[i][j])
{
randMap.push_back(i*maxj+j);
AllCnt++;
}
}
}

if(AllCnt<N)
{
N=AllCnt;
}
for(inti=0;i<N;i++)
{
inttemp=(rand()%AllCnt--);
randMap.erase(randMap.begin()+temp);
sFruitfruitTemp=sFruit(temp/maxi+1,temp%(maxi-2)+1);
gFruitVector.push_back(fruitTemp);
}
}

//初始化地图
voidinitArrMap(intarrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH])
{
for(inti=0;i<MAP_MAXIMUM_HEIGHT;i++)
{
for(intj=0;j<MAP_MAXIMUM_WIDTH;j++)
{
if(i==0||j==0||i==MAP_MAXIMUM_HEIGHT-1||j==MAP_MAXIMUM_WIDTH-1)
arrMap[i][j]=1;
else
arrMap[i][j]=0;
}
}
}

//初始化水果数据
voidinitFruit(intarrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH])
{
randomlyGeneratedFruit(MAX_NUMBER_FRUIT,arrMap);
}


//蛇头吃到水果事件
voideatFruitEvent(intarrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH])
{
for(unsignedinti=0;i<gFruitVector.size();i++)
{
if(gFruitVector[i].isExit(gSnake))
{
sSnakeBodysnakeBodyTemp;
if(gSnake.snakeBodyList->size()==0)
{
snakeBodyTemp.setPostion(gSnake.nSnakeHeadX,gSnake.nSnakeHeadY);
}
else
{
snakeBodyTemp.setPostion(&gSnake.snakeBodyList->back());
}
gSnake.snakeBodyList->push_back(snakeBodyTemp);
gFruitVector.erase(gFruitVector.begin()+i);
randomlyGeneratedFruit(1,arrMap);
}
}
}

int_tmain(intargc,_TCHAR*argv[])
{

HANDLEhOutput;
COORDcoord={0,0};
hOutput=GetStdHandle(STD_OUTPUT_HANDLE);

//创建新的缓冲区
HANDLEhOutBuf=CreateConsoleScreenBuffer(
GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL,
CONSOLE_TEXTMODE_BUFFER,
NULL
);

//设置新的缓冲区为活动显示缓冲
SetConsoleActiveScreenBuffer(hOutBuf);

//隐藏两个缓冲区的光标
CONSOLE_CURSOR_INFOcci;
cci.bVisible=0;
cci.dwSize=1;
SetConsoleCursorInfo(hOutput,&cci);
SetConsoleCursorInfo(hOutBuf,&cci);

//双缓冲处理显示
DWORDbytes=0;
chardata[3200];

//地图，需要将数据映射到地图上，再去渲染地图。
intarrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH];
srand(time(NULL));

//计数器。
intnProgramCounter=0;

//初始化各个数据
initArrMap(arrMap);
initFruit(arrMap);

while(true)
{
nProgramCounter++;
initArrMap(arrMap);
bindKeyboardEvents();
updateSnake(nProgramCounter);
eatFruitEvent(arrMap);
boolbIsWin=mapLoadData(arrMap);
showArrMap(arrMap);
if(bIsWin)
{
cout<<endl<<"游戏失败！！！";
ReadConsoleOutputCharacterA(hOutput,data,3200,coord,&bytes);
WriteConsoleOutputCharacterA(hOutBuf,data,3200,coord,&bytes);
break;
}

ReadConsoleOutputCharacterA(hOutput,data,3200,coord,&bytes);
WriteConsoleOutputCharacterA(hOutBuf,data,3200,coord,&bytes);
}
system("pause");
return0;
}

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