C++    一个有bug的贪吃蛇。。。。。。。。

#include <graphics.h>
#include<Windows.h>
#include<Mmsystem.h>
#include<conio.h> 
#include<time.h> 
#include<stdio.h>
#include<easyx.h>
using namespace std;
#pragma warning(disable:4996)
#define WINDOW_LENGTH 640 //窗口长
#define WINDOW_WIDE 480 //串口宽
#define M_TOP 50 //地图左上顶点y坐标
#define M_LEFT 20 //地图左上顶点x坐标
#define M_BOTTOM WINDOW_WIDE-30 //地图右下顶点y坐标
#define M_RIGHT WINDOW_LENGTH-30 //地图右下顶点x坐标
#define SNAKE_UP 72 //蛇向上运动
#define SNAKE_DOWN 80 //蛇向下运动
#define SNAKE_LEFT 75 //蛇向左运动
#define SNAKE_RIGHT 77  //蛇向右运动
#define SNAKE_QUIT 27 //结束游戏ESC键
#define SNAKE_SPEED 500 //蛇运动速度
#define SNAKE_PAUSS 32 //蛇暂停运动typedef struct FOOD { //定义食物结构体int x;int y;int FOOD_LIVE;
}FOOD;typedef struct NODE { //定义蛇的节点int x;int y;NODE* PRE;NODE* NEXT;
}NODE;typedef struct SANKE { //定义一个蛇NODE* TAIL;NODE* HEAD;int NODES; //蛇的节数int DIRECTION; //蛇的运动方向int SANKE_LIVE; //存活状态
}SANKE;int score_ = 0;
FOOD f;
SANKE s;
int rank;
int t = 1;
int tt;
int biteSelf(); // 判断是否咬到了自己
int snake_life(); //蛇是否存活
void gameover(); //结束界面
int eatfood(); /食物
void score(); //分数
void time(); //时间
void meau(); //菜单
void initGAME(); //初始化游戏
void creatWINDOW(int x, int y); //创建窗口
void closeWINDOW(); //关闭窗口
void creatmap(); //创建地图
void creatfood(); //创建食物
void drawfood(); //画食物
void drawSANKE(); //画蛇
void initSANKE(); //创建蛇
void moveSANKE(); //移动蛇
void speed(); //调整速度
void playgame(); //开始游戏
int direction(int c); //判断操作方向是否与蛇的方向相同
void Data(); //保存分数
void ESC(); //esc结束
void upgrade(); //升级模式int main()
{while (t){meau();initGAME();playgame();closeWINDOW();}
}void initGAME()//进入游戏
{creatWINDOW(WINDOW_LENGTH, WINDOW_WIDE);creatmap();creatfood();initSANKE();score();f.FOOD_LIVE = 0;
}void creatWINDOW(int x, int y) {//创建窗口initgraph(WINDOW_LENGTH, WINDOW_WIDE);setbkcolor(RGB(166, 135, 100));cleardevice();
}void closeWINDOW() {//关闭窗口Data();getch();closegraph();
}void creatmap() {int i;setlinecolor(BLACK);rectangle(M_LEFT, M_TOP, M_RIGHT, M_BOTTOM);//画外边界线rectangle(M_LEFT - 10, M_TOP - 10, M_RIGHT + 10, M_BOTTOM + 10);//画内边界线for (i = M_LEFT; i <= M_RIGHT; i = i + 10)line(i, M_TOP, i, M_TOP - 10);for (i = M_TOP; i <= M_BOTTOM; i = i + 10)line(M_LEFT, i, M_LEFT - 10, i);for (i = M_LEFT; i <= M_RIGHT; i = i + 10)line(i, M_BOTTOM, i, M_BOTTOM + 10);for (i = M_TOP; i <= M_BOTTOM; i = i + 10)line(M_RIGHT, i, M_RIGHT + 10, i);
}void creatfood() {srand(time(0));int x, y;while (1) {x = rand() % (600 - 20 + 1) + 20;y = rand() % (440 - 50 + 1) + 50;if (x % 10 == 0 && y % 10 == 0) {f.x = x;f.y = y;break;}}f.FOOD_LIVE = 1;
}void drawfood() {setfillcolor(YELLOW);fillrectangle(f.x, f.y, f.x + 9, f.y + 9);
}void initSANKE() {s.HEAD = (NODE*)malloc(sizeof(NODE));s.TAIL = (NODE*)malloc(sizeof(NODE));s.HEAD->x = 30;//初始蛇头蛇尾s.HEAD->y = 400;s.TAIL->x = 30;s.TAIL->y = 410;s.HEAD->NEXT = s.TAIL;s.HEAD->PRE = NULL;s.TAIL->NEXT = NULL;s.TAIL->PRE = s.HEAD;s.DIRECTION = SNAKE_UP;s.NODES = 2;s.SANKE_LIVE = 1;
}void drawSANKE() {NODE* p;//指针p指向蛇的头部p = s.HEAD;while (p){if (p == s.HEAD)setfillcolor(BLUE);//蛇头为蓝色elsesetfillcolor(YELLOW);fillrectangle(p->x, p->y, p->x + 9, p->y + 9);p = p->NEXT;}
}int direction(int c) {//不是相反的方向，返回0.if (s.DIRECTION == SNAKE_DOWN && c == SNAKE_UP)return 1;else if (s.DIRECTION == SNAKE_UP && c == SNAKE_DOWN)return 1;else if (s.DIRECTION == SNAKE_LEFT && c == SNAKE_RIGHT)return 1;else if (s.DIRECTION == SNAKE_RIGHT && c == SNAKE_LEFT)return 1;elsereturn 0;
}void playgame() {int c;while (true) {if (f.FOOD_LIVE == 1)//若食物存在，则画出食物{drawfood();}if (f.FOOD_LIVE == 0)//若食物不存在，则生成食物{creatfood();drawfood();}if (snake_life() == 0)//若蛇死亡，游戏结束{gameover();closeWINDOW();break;}while (!kbhit())//当没有按键的时候{time();if (eatfood() == 1){creatfood();drawfood();}if (snake_life() == 0)//若蛇死亡，游戏结束{break;}moveSANKE();drawSANKE();if (tt)upgrade();speed();}while (kbhit())//当有按键的时候{c = getch();if (direction(c) == 0)//不是相反的方向{switch (c){case SNAKE_LEFT: s.DIRECTION = SNAKE_LEFT; break;case SNAKE_RIGHT: s.DIRECTION = SNAKE_RIGHT; break;case SNAKE_UP: s.DIRECTION = SNAKE_UP; break;case SNAKE_DOWN: s.DIRECTION = SNAKE_DOWN; break;case SNAKE_PAUSS:system("pause"); break;case SNAKE_QUIT:ESC();default:break;}}}}
}void ESC() {gameover();_getch();exit(0);
}void moveSANKE() {NODE* p;p = (NODE*)malloc(sizeof(NODE));clearrectangle(s.TAIL->x, s.TAIL->y, s.TAIL->x + 9, s.TAIL->y + 9);//清楚原来的蛇尾creatmap();//绘制地图p = s.TAIL;while (p->PRE != NULL){p->x = p->PRE->x;p->y = p->PRE->y;p = p->PRE;}switch (s.DIRECTION) {//蛇头变换方向case SNAKE_UP:s.HEAD->y -= 10; break;case SNAKE_LEFT:s.HEAD->x -= 10; break;case SNAKE_DOWN:s.HEAD->y += 10; break;case SNAKE_RIGHT:s.HEAD->x += 10; break;default:break;}
}void speed() {Sleep(rank);
}int snake_life() {int x, y;x = s.HEAD->x;y = s.HEAD->y;if (x < 20 || x > 600 || y > 440 || y < 50)//蛇头出界，蛇死亡s.SANKE_LIVE = 0;if (biteSelf() == 1)//蛇吃到自己蛇死亡s.SANKE_LIVE = 0;return s.SANKE_LIVE;
} //蛇是否存活void gameover() {int c, x;x = 1;//musicforgg();settextstyle(50, 0, _T("宋体"));settextcolor(BLUE);char s1[] = "你死掉了!!!";outtextxy(150, 200, s1);_getch();initgraph(WINDOW_LENGTH, WINDOW_WIDE);setbkcolor(BLACK);cleardevice();settextcolor(YELLOW);char s[] = "";sprintf(s, "%s%d", "您的分数是:", score_);char s3[] = "1.重新挑战";char s2[] = "2.退出游戏";settextstyle(30, 0, _T("宋体"));outtextxy(200, 200, s3);outtextxy(200, 250, s2);settextstyle(50, 0, _T("宋体"));outtextxy(150, 100, s);settextcolor(WHITE);char s5[] = "按任意键继续。。。";char s7[] = "输入有误。。。";char s8[] = "谢谢使用！";while (x) {kbhit();c = getch();switch (c) {case '1':t = 1; x = 0; outtextxy(150, 350, s5);score_ = 0; main(); break;//继续生成游戏case '2':outtextxy(150, 350, s8); getch(); exit(0);//退出游戏default:x = 1; outtextxy(150, 350, s7); break;}}
}//结束界面int eatfood() {int x1 = s.HEAD->x;int y1 = s.HEAD->y;int x2 = f.x;int y2 = f.y;NODE* p;if (x1 == x2 && y1 == y2)//蛇的头部和食物重叠{s.TAIL->NEXT = (NODE*)malloc(sizeof(NODE));//扩大蛇的长度s.TAIL->NEXT->x = s.TAIL->x;s.TAIL->NEXT->y = s.TAIL->y;s.TAIL->NEXT->PRE = s.TAIL;s.TAIL->NEXT->NEXT = NULL;p = s.TAIL->NEXT;s.TAIL = p;//尾部扩展s.NODES++;//蛇的长度+1f.FOOD_LIVE = 0;s.NODES++;f.x = 0 - f.x;score_ += 10;score();return 1;}elsereturn 0;
} /食物void score() {//记录分数char str[20];settextcolor(YELLOW);//颜色：灰色settextstyle(20, 0, _T("宋体"));//大小和字体sprintf(str, "得分：%d", score_);//生成字符串outtextxy(10, 20, str);
} //分数void time() {char str[20];char c[] = "提示：空格键暂停游戏，ESC键结束游戏。";time_t t;struct tm* lt;settextstyle(20, 0, _T("宋体"));//大小和字体time(&t);//获取Unix时间戳。lt = localtime(&t);//转为时间结构。sprintf(str, "时间：%2d:%2d:%2d", lt->tm_hour, lt->tm_min, lt->tm_sec);//生成字符串outtextxy(500, 20, str);outtextxy(100, 20, c);
}//时间void meau() {int c;int x;x = 1;initgraph(WINDOW_LENGTH, WINDOW_WIDE);setbkcolor(BLACK);cleardevice();settextstyle(50, 0, _T("宋体"));settextcolor(YELLOW);char s[] = "欢迎来到贪吃蛇！";outtextxy(170, 100, s);settextstyle(25, 0, _T("宋体"));char s1[] = "选择难度：";char s2[] = "1.简单模式";settextcolor(GREEN);outtextxy(250, 240, s2);char s3[] = "2.普通模式";settextcolor(BLUE);outtextxy(250, 280, s3);char s4[] = "3.困难模式";settextcolor(RED);outtextxy(250, 320, s4);char s7[] = "输入有误。。。";settextcolor(WHITE);char s5[] = "按任意键继续。。。";while (x){kbhit();c = getch();switch (c){case '1':rank = 300; x = 0; tt = 0;outtextxy(250, 390, s5);break;case '2':rank = 200; x = 0; tt = 0;outtextxy(250, 390, s5);break;case '3':rank = 80; x = 0; tt = 0;outtextxy(250, 390, s5);break;default:x = 1; outtextxy(250, 390, s7); break;}}_getch();
} //菜单
void upgrade() {}void __cdecl fprintf()
{
}int biteSelf() {NODE* self;self = s.HEAD->NEXT;while (self != NULL){if (self->x == s.HEAD->x && self->y == s.HEAD->y)//蛇身坐标与蛇头重合，判断蛇死亡{return 1;}self = self->NEXT;}return(0);
}void Data()
{FILE* pf = fopen("123.txt", "w"); //以只写的方式打开文件if (pf == NULL) //打开文件失败{printf("保存最高得分记录失败\n");exit(0);}fwrite(&score, sizeof(int), 1, pf); //将本局游戏得分写入文件当中fclose(pf); //关闭文件pf = NULL; //文件指针及时置空}