C语言案例-贪吃蛇游戏.zip

/************************************************* 文件名称：main.cpp 文件描述：实现贪吃蛇游戏 编译环境：VS2013 & EasyX（Coco 1163597799） 作者相关：九夏 **************************************************/ #include <graphics.h> #include <stdio.h> #include <time.h> #include <conio.h> #pragma comment(lib,"winmm.lib") //最简单的贪吃蛇 #define NUM 100 //蛇的最大长度 //枚举4个方向 72 80 75 77 ↑↓←→ enum Ch{up=72,down=80,left=75,right=77}; //坐标 struct Coor { int x; int y; }; //蛇的结构体 struct Snake { int n; //蛇当前的节数 Ch ch; //方向 Coor szb[NUM]; //蛇每一节的坐标 }snake; //snake //食物 struct Food { int x; int y; bool isEat; }food; //游戏的初始化函数 void InitGame() { srand((unsigned int)time(NULL)); mciSendString(L"open 甩葱歌.mp3 alias BGM", 0, 0, 0); mciSendString(L"play BGM", 0, 0, 0); //先得到一条蛇 1节 right 320 240 snake.n = 4; snake.ch = right; snake.szb[0].x = 320; snake.szb[0].y = 240; snake.szb[1].x = 310; snake.szb[1].y = 240; snake.szb[2].x = 310; snake.szb[2].y = 250; snake.szb[3].x = 310; snake.szb[3].y = 260; //isEat 只有当食物被吃掉 才产生新的食物。 food.isEat = true; } //绘制蛇. void DrawSnake() { for (int i = 0; i < snake.n; i++) { rectangle(snake.szb[i].x, snake.szb[i].y, snake.szb[i].x + 10, snake.szb[i].y + 10); } } //动起来 void SnakeMove() { //n-1下标从0开始 i>0 蛇头是不需要传递 for (int i = snake.n - 1; i>0; i--) { snake.szb[i].x = snake.szb[i - 1].x; snake.szb[i].y = snake.szb[i - 1].y; } switch (snake.ch) { case up: snake.szb[0].y -= 10; break; case down: snake.szb[0].y += 10; break; case left: snake.szb[0].x -= 10; break; case right: snake.szb[0].x += 10; break; } } //控制蛇的方向 void ChangeSnakeCh() { char key; key = getch(); switch (key) { case up: //上键 down if (snake.ch!=down) snake.ch = up; break; case down: if (snake.ch != up) snake.ch = down; break; case left: if (snake.ch != right) snake.ch = left; break; case right: if (snake.ch != left) snake.ch = right; break; } } //产生食物 void CreateFood() { food.x = rand() % 64 * 10; food.y = rand() % 48 * 10; food.isEat = false; //蛇迟到食物的时候 isEat ture } void DrawFood() { rectangle(food.x, food.y, food.x + 10, food.y + 10); } void SnakeEatFood() { if (snake.szb[0].x == food.x&&snake.szb[0].y == food.y) { snake.n++; food.isEat = true; } } // void BreakSnake() { //1.撞墙 if (snake.szb[0].x<0 || snake.szb[0].x>630 || snake.szb[0].y<0 || snake.szb[0].y>470) { //结束游戏 cleardevice(); setcolor(YELLOW); settextstyle(50, 0, L"楷体"); outtextxy(100, 100, L"潭州教育 江湖共闯"); outtextxy(100, 200, L"人人为师 终身学习"); getch(); closegraph(); exit(0); } //2.吃到自己 for (int i = snake.n - 1; i > 0; i--) { if (snake.szb[0].x == snake.szb[i].x&&snake.szb[0].y == snake.szb[i].y) { //结束游戏 cleardevice(); setcolor(YELLOW); settextstyle(50, 0, L"楷体"); outtextxy(100, 100, L"潭州教育 江湖共闯"); outtextxy(100, 200, L"人人为师 终身学习"); getch(); closegraph(); exit(0); } } } int main() { initgraph(640, 480); //打开一个窗口。多大？ InitGame(); while (1) //kbhit() 检测按键 如果有按键返回1 没有返回0 { if (food.isEat) CreateFood(); cleardevice(); SnakeMove(); //蛇新的一节赋值 ！0 0 DrawSnake(); //根据蛇的坐标绘制蛇 0 0 DrawFood(); SnakeEatFood(); BreakSnake(); Sleep(50); if (kbhit()) { ChangeSnakeCh(); } } return 0; }