C++实现简易贪吃蛇游戏

【C++实现简易贪吃蛇游戏】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
C++实现简易贪吃蛇游戏
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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 #include #include #include#include #include #include #include #include using namespace std; #define KEY_DOWN(vk_code) (GetAsyncKeyState(vk_code) & 0x8000 ? 1 : 0)#define MAX_SNAKE_LEN 20#define MAP_MAXIMUM_HEIGHT 20#define MAP_MAXIMUM_WIDTH 20#define MAX_NUMBER_FRUIT 5struct sSnakeBody{ void setPostion(int x, int y) {nSnakeBodyX = x; nSnakeBodyY = y; } void setPostion(sSnakeBody* temp) {nSnakeBodyX = temp->nSnakeBodyX; nSnakeBodyY = temp->nSnakeBodyY; } int nSnakeBodyX; int nSnakeBodyY; }; typedef list LISTSNAKEBODY; struct sSnake{ sSnake() {nSnakeHeadX = 1; nSnakeHeadY = 1; nSnakeDirection = 1; speed = 5; } bool isExit(sSnakeBody temp) {if (nSnakeHeadX==temp.nSnakeBodyX&&nSnakeHeadY==temp.nSnakeBodyY){return true; }return false; } bool isExit(int x, int y) {if (nSnakeHeadX == x&&nSnakeHeadY == y){return true; }return false; } void reduction(sSnakeBody temp) {nSnakeHeadX = 2 * nSnakeHeadXBk - temp.nSnakeBodyX; nSnakeHeadY = 2 * nSnakeHeadYBk - temp.nSnakeBodyY; } int nSnakeHeadX; int nSnakeHeadY; int nSnakeHeadXBk; int nSnakeHeadYBk; int nSnakeDirection; //0表示上,1表示右,2表示下,3表示左,顺时针 int speed; //指的是几个循环前进一次 LISTSNAKEBODY snakeBodyList[MAX_SNAKE_LEN]; }; struct sFruit{ int FruitX; int FruitY; sFruit() {FruitX = -1; FruitY = -1; } sFruit(int x, int y) {FruitX = x; FruitY = y; } bool isExit(sSnake snake) {if (FruitX == snake.nSnakeHeadX && FruitY == snake.nSnakeHeadY)return true; else return false; }}; vector gFruitVector; sSnake gSnake; //显示地图void showArrMap(int arrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH]){ system("cls"); for (int i = 0; i < MAP_MAXIMUM_HEIGHT; i++) {for (int j = 0; j < MAP_MAXIMUM_WIDTH; j++){if (1 == arrMap[i][j] || gSnake.isExit(i,j)){cout << "■"; }else if (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bool mapLoadData(int arrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH]){ //加载水果的数据 for (unsigned int i = 0; i < gFruitVector.size(); i++) {arrMap[gFruitVector[i].FruitX][gFruitVector[i].FruitY] = 2; } //加载蛇的身体数据 for (LISTSNAKEBODY::iterator iter = 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())) {return false; } if (arrMap[gSnake.nSnakeHeadX][gSnake.nSnakeHeadY] == 1)return true; return false; }//更新蛇的数据void updateSnake(int &nProgramCounter){ if (nProgramCounter > gSnake.speed) {gSnake.nSnakeHeadXBk = gSnake.nSnakeHeadX; gSnake.nSnakeHeadYBk = gSnake.nSnakeHeadY; if (gSnake.nSnakeDirection == 0){gSnake.nSnakeHeadX--; }else if (gSnake.nSnakeDirection == 1){gSnake.nSnakeHeadY++; }else if (gSnake.nSnakeDirection == 2){gSnake.nSnakeHeadX++; }else if (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){sSnakeBody snakeBody; snakeBody.setPostion(gSnake.nSnakeHeadXBk, gSnake.nSnakeHeadYBk); gSnake.snakeBodyList->push_front(snakeBody); gSnake.snakeBodyList->pop_back(); }nProgramCounter = 0; }}//绑定键盘事件void bindKeyboardEvents(){ if (KEY_DOWN(VK_UP)) {gSnake.nSnakeDirection = 0; } else if (KEY_DOWN(VK_RIGHT)) {gSnake.nSnakeDirection = 1; } else if (KEY_DOWN(VK_DOWN)) {gSnake.nSnakeDirection = 2; } else if (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,void randomlyGeneratedFruit(int N, int arrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH]){ int maxi = MAP_MAXIMUM_HEIGHT; int maxj = MAP_MAXIMUM_WIDTH; int AllCnt = 0; vector randMap; for (int i = 0; i < maxi; i++) {for (int j = 0; j < maxj; j++){if (0 == arrMap[i][j]){randMap.push_back(i*maxj + j); AllCnt++; }} } if (AllCnt < N) {N = AllCnt; } for (int i = 0; i < N; i++) {int temp = (rand() % AllCnt--); randMap.erase(randMap.begin() + temp); sFruit fruitTemp = sFruit(temp / maxi + 1, temp % (maxi - 2) + 1); gFruitVector.push_back(fruitTemp); }}//初始化地图void initArrMap(int arrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH]){ for (int i = 0; i < MAP_MAXIMUM_HEIGHT; i++) {for (int j = 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; elsearrMap[i][j] = 0; } }}//初始化水果数据void initFruit(int arrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH]){ randomlyGeneratedFruit(MAX_NUMBER_FRUIT, arrMap); }//蛇头吃到水果事件void eatFruitEvent(int arrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH]){ for (unsigned int i = 0; i < gFruitVector.size(); i++) {if (gFruitVector[i].isExit(gSnake)){sSnakeBody snakeBodyTemp; 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(int argc, _TCHAR* argv[]){ HANDLE hOutput; COORD coord = { 0, 0 }; hOutput = GetStdHandle(STD_OUTPUT_HANDLE); //创建新的缓冲区 HANDLE hOutBuf = 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_INFO cci; cci.bVisible = 0; cci.dwSize = 1; SetConsoleCursorInfo(hOutput, &cci); SetConsoleCursorInfo(hOutBuf, &cci); //双缓冲处理显示 DWORD bytes = 0; char data[3200]; //地图,需要将数据映射到地图上,再去渲染地图。 int arrMap[MAP_MAXIMUM_HEIGHT][MAP_MAXIMUM_WIDTH]; srand(time(NULL)); //计数器。 int nProgramCounter = 0; //初始化各个数据 initArrMap(arrMap); initFruit(arrMap); while (true) {nProgramCounter++; initArrMap(arrMap); bindKeyboardEvents(); updateSnake(nProgramCounter); eatFruitEvent(arrMap); bool bIsWin = 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"); return 0; }

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