基于EasyX和C++开发的双人版贪吃蛇游戏源码+项目说明+sln+exe可执行程序(课程设计).zip

#include<iostream> #include<graphics.h> #include<conio.h> #include<deque> #include<map> #include<time.h> using namespace std; // 引用 Windows Multimedia API #include<Windows.h> #pragma comment(lib, "winmm.lib") // 引用该库才能使用 AlphaBlend 函数 #pragma comment( lib, "MSIMG32.LIB") void transparentimage(IMAGE*, int , int , IMAGE* ); const auto SPEED = 300; //速度：每SPEED毫秒移动一次 const auto WINDOW_WIDTH = 800; const auto WINDOW_HEIGHT = 600; const auto CELL_SIZE = 25; //每个格子的大小 const auto CELL_WIDTH = WINDOW_WIDTH / CELL_SIZE; const auto CELL_HEIGHT = WINDOW_HEIGHT / CELL_SIZE; const auto FOOD_KINDS = 8; //食物种类 enum class Dir { UP, DOWN, LEFT, RIGHT }; const auto SNAKE_INIT_DIR = Dir::UP; //初始方向 typedef struct _Pos { int x, y; void move(Dir dir) { switch (dir) { case Dir::UP: y--; break; case Dir::DOWN: y++; break; case Dir::LEFT: x--; break; case Dir::RIGHT: x++; break; } if (x < 0) x += CELL_WIDTH; if (x >= CELL_WIDTH) x -= CELL_WIDTH; if (y < 0) y += CELL_HEIGHT; if (y >= CELL_HEIGHT) y -= CELL_HEIGHT; } bool operator < (const _Pos& p) const { if (x == p.x) return y < p.y; return x < p.x; } } Pos; IMAGE imgBg;//背景 IMAGE imgLogo;//logo IMAGE imgFood[FOOD_KINDS + 1];//食物 IMAGE imgSnakeHead[4];//蛇头 IMAGE imgColor[2];//蛇身 int PlayerNum;//玩家数量 deque <Pos> Snake[2];//蛇的坐标 Dir SnakeDir[2];//蛇的方向 map<Pos, int> mp;//记录格子状态 Pos Food;//食物坐标 int FoodKind;//食物种类 //程序开始时 void Load_Img();//载入图片 void Game_Start();//游戏开始界面：选择玩家数量、初始化 void Game_Init();//游戏初始化 //游戏中 void Update();//刷新（绘制）画面 void OnPress();//按键响应，只有刷新前最后一次按键生效 bool Update_Snake();//更新蛇的坐标，接收Collision()的返回值 bool Eat_Food(int);//食物检测 void Update_Food();//更新食物坐标 bool Collision();//碰撞检测：蛇头碰到蛇身 void Game_Over();//游戏结束 void Game_Loop() { int t; while (1) { Update(); Sleep(SPEED); OnPress(); if(t=Update_Snake()){ Update(); Game_Over(); break; } } } int main() { Load_Img();//载入图片 initgraph(WINDOW_WIDTH, WINDOW_HEIGHT);//初始化窗口 setbkcolor(WHITE);//设置背景颜色 settextcolor(BLACK);//设置字体颜色 setfillstyle(BS_NULL); Game_Start();//游戏开始界面：选择玩家数量、初始化 Game_Loop();//游戏循环 return 0; } void Load_Img() {//程序开始时 载入图片 loadimage(&imgBg, _T("src/Bg.png"));//加载背景 loadimage(&imgLogo, _T("src/Logo.jpg"));//加载logo TCHAR path[256]; for (int i = 1; i <= FOOD_KINDS; i++) {//加载食物 _stprintf_s(path, _T("src/food%d.png"), i); loadimage(&imgFood[i], path); } loadimage(&imgSnakeHead[0], _T("src/head_w.png"));//加载蛇头 loadimage(&imgSnakeHead[1], _T("src/head_s.png")); loadimage(&imgSnakeHead[2], _T("src/head_a.png")); loadimage(&imgSnakeHead[3], _T("src/head_d.png")); loadimage(&imgColor[0], _T("src/color1.png"));//加载蛇身 loadimage(&imgColor[1], _T("src/color2.png")); } void Game_Start() {//游戏开始界面：选择玩家数量 BeginBatchDraw(); putimage(0, 0, &imgBg);//绘制背景 putimage(250, 10, &imgLogo);//绘制logo TCHAR mode[100];//选择模式 _stprintf_s(mode, _T("单人模式")); settextstyle(60, 0, _T("Consolas")); outtextxy(130, 360, mode); _stprintf_s(mode, _T("双人模式")); settextstyle(60, 0, _T("Consolas")); outtextxy(450, 360, mode); _stprintf_s(mode, _T("Player1:WSAD / Player2:↑↓←→")); settextstyle(50, 0, _T("Consolas")); outtextxy(90, 450, mode); EndBatchDraw(); PlaySound(_T("src/bgm.wav"), NULL, SND_FILENAME | SND_ASYNC | SND_LOOP); ExMessage msg; while (1) { peekmessage(&msg); if (msg.message == WM_LBUTTONDOWN) { if (msg.x >= 130 && msg.x <= 353 && msg.y >= 360 && msg.y <= 420) { PlayerNum = 1; break; } else if (msg.x >= 450 && msg.x <= 673 && msg.y >= 360 && msg.y <= 420) { PlayerNum = 2; break; } } } Game_Init();//游戏初始化 } void Game_Init() {//游戏初始化 SnakeDir[0] = SnakeDir[1] = SNAKE_INIT_DIR;//方向初始化 Snake[0].clear(); Snake[1].clear();//清空蛇 Pos pos; if (PlayerNum == 1) {//单人模式 pos.x = CELL_WIDTH / 2; pos.y = CELL_HEIGHT / 2; Snake[0].push_back(pos); for (int i = 0; i < 2; i++) { pos.y++; Snake[0].push_back(pos); } } else if (PlayerNum == 2) {//双人模式 pos.x = CELL_WIDTH / 2 - 1; pos.y = CELL_HEIGHT / 2; Snake[0].push_back(pos);mp[pos] = 1; pos.y++; Snake[0].push_back(pos); mp[pos] = 1; pos.y++; Snake[0].push_back(pos); mp[pos] = 1; pos.x = CELL_WIDTH / 2 + 1; pos.y = CELL_HEIGHT / 2; Snake[1].push_back(pos); mp[pos] = 1; pos.y++; Snake[1].push_back(pos); mp[pos] = 1; pos.y++; Snake[1].push_back(pos); mp[pos] = 1; } //生成食物 srand(time(0)); Food.x = rand() % CELL_WIDTH; Food.y = rand() % CELL_HEIGHT; while (mp[Food]) { Food.x = rand() % CELL_WIDTH; Food.y = rand() % CELL_HEIGHT; }mp[Food] = 2; FoodKind = rand() % FOOD_KINDS + 1; } void Update() {//刷新（绘制）画面 BeginBatchDraw(); putimage(0, 0, &imgBg);//绘制背景 //绘制食物 transparentimage(NULL, Food.x * CELL_SIZE, Food.y * CELL_SIZE, &imgFood[FoodKind]); //绘制蛇 for (int i = 0; i < PlayerNum; i++) { Pos pos; for (int j = 1; j < Snake[i].size(); j++) { pos = Snake[i][j]; transparentimage(NULL, pos.x * CELL_SIZE, pos.y * CELL_SIZE, &imgColor[i]); } pos = Snake[i].front(); transparentimage(NULL, pos.x* CELL_SIZE, pos.y* CELL_SIZE, &imgSnakeHead[(int)SnakeDir[i]]); } EndBatchDraw(); } void OnPress() { //按键响应 ExMessage msg; Dir OriDir[2] = { SnakeDir[0] , SnakeDir[1] }; while (1) { if(peekmessage(&msg)){ if (msg.message == WM_KEYDOWN) { switch (msg.vkcode) { case VK_UP: if (PlayerNum > 1 && OriDir[1] != Dir::DOWN) SnakeDir[1] = Dir::UP; break; case VK_DOWN: if (PlayerNum > 1 && OriDir[1] != Dir::UP) SnakeDir[1] = Dir::DOWN; break; case VK_LEFT: if (PlayerNum > 1 && OriDir[1] != Dir::RIGHT) SnakeDir[1] = Dir::LEFT; break; case VK_RIGHT: if (PlayerNum > 1 && OriDir[1] != Dir::LEFT) SnakeDir[1] = Dir::RIGHT; break; case 'W': if (OriDir[0] != Dir::DOWN) SnakeDir[0] = Dir::UP; break; case 'S': if (OriDir[0] != Dir::UP) SnakeDir[0] = Dir::DOWN; break; case 'A': if (OriDir[0] != Dir::RIGHT) SnakeDir[0] = Dir::LEFT; break; case 'D': if (OriDir[0] != Dir::LEFT) SnakeDir[0] = Dir::RIGHT; break; } } }else break; } } bool Update_Snake() {//更新蛇的坐标 Pos pos; int co=0; for (int i = 0; i < PlayerNum; i++) { if (Eat_Food(i)) { Update_Food();//更新食物坐标 } else {//更新蛇尾 mp[Snake[i].back()] = 0; Snake[i].pop_back(); } co = Collision();//碰撞检测 pos = Snake[i].front(); pos.move(SnakeDir[i]); Snake[i].push_front(pos); mp[pos] = 1; } return co; } bool Eat_Food(int i) {//食物检测 Pos pos = Snake[i].front(); pos.move(SnakeDir[i]); if (pos.x == Food.x && pos.y == Food.y) return true; return false; } void Update_Food() {//更新食物坐标 Food.x = rand() % CELL_WIDTH; Food.y = rand() % CELL_HEIGHT; int cnt = 0;//计数器 while (mp[Food]&&cnt<1000) { Food.x = rand() % CELL_WIDTH; Food.y = rand() % CELL_HEIGHT; cnt++; } if (cnt < 10000) { mp[Food] = 2; FoodKind = rand() % FOOD_KINDS + 1; return ; } else { //防止游戏后期可能随机不到空白格子 //如果计数超过10000，搜索空白格子放置食物 //如果搜索不到空白格子，放弃放置食物 for (int i = 0; i < CELL_WIDTH; i++) { for (int j = 0; j < CELL_HEIGHT; j++) { Food.x = i; Food.y = j; if (!mp[Food]) { mp[Food] = 2; FoodKind = rand() % FOOD_KINDS + 1; return; } } } } } bool Collision() {//碰撞检测 Pos pos; for (int i = 0; i < PlayerNum; i++) { pos = Snake[i].front(); pos.move(SnakeDir[i]); if (mp[pos] == 1) return true; } return false; } void Game_Over() {//游戏结束：玩家闪烁3秒 PlaySound(_T("src/gameover.wav"), NULL, SND_FILENAME | SND_ASYNC); for (int i = 0; i < 5; i++) { BeginBatchDraw(); putimage(0, 0, &imgBg);//绘制背景 //绘制食物 transparentimage(NU