C++ 一个有bug的贪吃蛇。。。。。。。。
cpp
#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
else
setfillcolor(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;
else
return 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+1
f.FOOD_LIVE = 0;
s.NODES++;
f.x = 0 - f.x;
score_ += 10;
score();
return 1;
}
else
return 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
}