C语言 编游戏案例精编案例一 贪吃蛇游戏#define N 200#include #include #include #define LEFT 0x4b00#define RIGHT 0x4d00#define DOWN 0x5000#define UP 0x4800#define ESC 0x011bint i,key;int score=0;/*得分*/int gamespeed=50000;/*游戏速度自己调整*/struct Food int x;/*食物的横坐标*/ int y;/*食物的纵坐标*/ int yes;/*判断是否要出现食物的变量*/food;/*食物的结构体*/struct Snake int xN; int yN; int node;/*蛇的节数*/ int direction;/*蛇移动方向*/ int life;/* 蛇的生命,0活着,1死亡*/snake;void Init(void);/*图形驱动*/void Close(void);/*图形结束*/void DrawK(void);/*开始画面*/void GameOver(void);/*结束游戏*/void GamePlay(void);/*玩游戏具体过程*/void PrScore(void);/*输出成绩*/*主函数*/void main(void) Init();/*图形驱动*/ DrawK();/*开始画面*/ GamePlay();/*玩游戏具体过程*/ Close();/*图形结束*/*图形驱动*/void Init(void) int gd=DETECT,gm; initgraph(&gd,&gm,c:tc); cleardevice();/*开始画面，左上角坐标为（50，40），右下角坐标为（610，460）的围墙*/void DrawK(void)/*setbkcolor(LIGHTGREEN);*/ setcolor(11); setlinestyle(SOLID_LINE,0,THICK_WIDTH);/*设置线型*/ for(i=50;i=600;i+=10)/*画围墙*/ rectangle(i,40,i+10,49); /*上边*/ rectangle(i,451,i+10,460);/*下边*/ for(i=40;i0;i-)/*蛇的每个环节往前移动,也就是贪吃蛇的关键算法*/ snake.xi=snake.xi-1; snake.yi=snake.yi-1; /*1,2,3,4表示右,左,上,下四个方向,通过这个判断来移动蛇头*/ switch(snake.direction) case 1:snake.x0+=10;break; case 2: snake.x0-=10;break; case 3: snake.y0-=10;break; case 4: snake.y0+=10;break; for(i=3;isnake.node;i+)/*从蛇的第四节开始判断是否撞到自己了，因为蛇头为两节，第三节不可能拐过来*/ if(snake.xi=snake.x0&snake.yi=snake.y0) GameOver();/*显示失败*/ snake.life=1; break; if(snake.x0595|snake.y0455)/*蛇是否撞到墙壁*/ GameOver();/*本次游戏结束*/ snake.life=1; /*蛇死*/if(snake.life=1)/*以上两种判断以后,如果蛇死就跳出内循环，重新开始*/ break;if(snake.x0=food.x&snake.y0=food.y)/*吃到食物以后*/ setcolor(0);/*把画面上的食物东西去掉*/ rectangle(food.x,food.y,food.x+10,food.y-10); snake.xsnake.node=-20;snake.ysnake.node=-20; /*新的一节先放在看不见的位置,下次循环就取前一节的位置*/ snake.node+;/*蛇的身体长一节*/ food.yes=1;/*画面上需要出现新的食物*/ score+=10; PrScore();/*输出新得分*/setcolor(4);/*画出蛇*/for(i=0;isnake.node;i+) rectangle(snake.xi,snake.yi,snake.xi+10, snake.yi-10);delay(gamespeed);setcolor(0);/*用黑色去除蛇的的最后一节*/rectangle(snake.xsnake.node-1,snake.ysnake.node-1,snake.xsnake.node-1+10,snake.ysnake.node-1-10); /*endwhile（！kbhit）*/ if(snake.life=1)/*如果蛇死就跳出循环*/ break; key=bioskey(0);/*接收按键*/ if(key=ESC)/*按ESC键退出*/ break; else if(key=UP&snake.direction!=4)/*判断是否往相反的方向移动*/ snake.direction=3; else if(key=RIGHT&snake.direction!=2) snake.direction=1; else if(key=LEFT&snake.direction!=1)snake.direction=2; elseif(key=DOWN&snake.direction!=3) snake.direction=4; /*endwhile(1)*/*游戏结束*/void GameOver(void) cleardevice(); PrScore(); setcolor(RED); settextstyle(0,0,4); outtextxy(200,200,GAME OVER); getch();/*输出成绩*/void PrScore(void) char str10; setfillstyle(SOLID_FILL,YELLOW); bar(50,15,220,35); setcolor(6); settextstyle(0,0,2); sprintf(str,score:%d,score); outtextxy(55,20,str);/*图形结束*/void Close(void) getch(); closegraph();案例二 计算器#include /*DOS接口函数*/#include /*数学函数的定义*/#include /*屏幕操作函数*/#include /*I/O函数*/#include /*库函数*/#include /*变量长度参数表*/#include /*图形函数*/#include /*字符串函数*/#include /*字符操作函数*/#define UP 0x48 /*光标上移键*/#define DOWN 0x50 /*光标下移键*/#define LEFT 0x4b /*光标左移键*/#define RIGHT 0x4d /*光标右移键*/#define ENTER 0x0d /*回车键*/void *rar; /*全局变量，保存光标图象*/struct palet