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发表于 2017-10-29 11:42:30
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先确认几个问题
1、用的是什么编译软件
2、头文件graphics.h是否能链接到
3、判断时,不需要在后面加";", 如if,for后面你都加了;
试下修改后的代码:
- /* 贪食蛇程序 by champking */
- #define N 200
- #include'graphics.h'
- #include <stdlib.h>
- #include <dos.h>
- #define LEFT 0x4b00
- #define RIGHT 0x4d00
- #define DOWN 0x5000
- #define UP 0x4800
- #define ESC 0x011b
- int i, key;
- int score = 0;/*得分*/
- int gamespeed = 100000;/*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;/*判断是否要出现食的变量*/
- }food;/*食物的结构体*/
- struct Snake
- {
- int x [N];
- int y [N];
- 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; i <=450; i+=10)
- {
- rectangle(50,i,59,i+10);/*左边*/
- rectangle(601,i,610,i + 10);/*右边*/
- }
- }
- /*玩游戏具体过程*/
- void GamePlay(void)
- {
- randomize();/*随机数发生器*/
- food.yes = 1;/*1表示需要出现新食物,0表示已经存在食物*/
- snake.life = 0; /*活着*/
- snake.direction = 1; /*方向往右*/
- snake.x[0] = 100; snake.y [0] =100; /*蛇头*/
- snake.x[1] = 110; snake.y [1] =100;
- snake.node = 2; /*节数*/
- PrScore();/*输出得分*/
- while(1)/*可以重复玩游戏,压ESC键结束*/
- {
- while(!kbhit())/*在没有按键的情况下,蛇自己移动身体*/
- {
- if(food.yes = = 1)/*需要出现新食物*/
- {
- food.x = rand()%400 + 60;
- food.y = rand()%350 + 60;
- while(food.x % 10)! = 0)/*食物随机出现后必须让食物能够在整格内,这样才可以让蛇吃到*/
- food.x ++;
- while(food.y % 10)! = 0)
- food.y ++;
- food.yes = 0 ;/*画面上有食物了*/
-
- }
- if(food.yes == 0)/*画面上有食物了就要显示*/
- {
- setcolor(GREEN);
- rectangle(food.x,food.y,food.x +10, food.y -10);
- }
- for(i = snake.node -1; i>0; i--)/*蛇的每个环节往前移动,也就是贪吃蛇的关键算法*/
- {
- snake.x[i] = snake.x[i-1];
- snake.y[i] = snake.y[i-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.x[0]+= 10; break;
- case 2: sanke.x[0]-= 10; break;
- case 3: snake.y[0]-= 10; break;
- case 4: snake.y[0]+= 10; break;
- default:break;
- }
- for(i = 3; i < snake.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.x[i] = = snake.x[0]&& snake.y[i] = = snake.y[0])
- {
- GameOver();/*显示失败*/
- snake.life = 1 ;
- break;
- }
- }
- if(snake.x[0]<55||snake.x[0]>595||snake.y[0]<55||snake.y[0]>455)/*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,如果蛇死就出内循环不,重新开始*/
- break;
- if(snake.x [0] == food.x && snake.y [0] == 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.x[snake.node] =- 20; snake.y[snake.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; i<snake.node; i++)
- rectangle(snake.x[i],snake.y[i],snake.x[i] + 10,snake.y[i]-10);
- delay(gamespeed);
- setcolor(0);/*用黑色去除蛇的最后一节*/
- rectangle(snake.x[snake.node-1],snake.y[snake.node-1],snake.x[snake.node-1]+10,snake.y[snake.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;
- else if(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 str[10];
- 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();
- }
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