c语言-＞贪吃蛇实战技巧结合EasyX简单实现页面管理（简单实现）

#include"snake.h"void test()
{//修改适配本地中文环境setlocale(LC_ALL, "");bool c = false;char str[4] = " ";do{Snake snake = { 0 };GameStart(&snake);//游戏开始前的初始化GameRun(&snake);//玩游戏的过程GameEnd(&snake);//善后的工作outtextxy(350, 500, "再来一局吗？(Yes/No):");scanf("%s", str);c = Determine(str);} while (c);
}
int main()
{//修改适配本地中文环境setlocale(LC_ALL, "");test();return 0;
}

snake.cpp

#include"snake.h"void GameStart(pSnake ps) {//设置控制台信息，窗口大小，窗口名initgraph(1300, 720, EX_SHOWCONSOLE);//打印欢迎信息WelcomeToGame();//绘制地图CreateMap();//初始化蛇InitSnake(ps);//创建食物CreateFood(ps);
}//打印欢迎信息
void WelcomeToGame() {//欢迎信息system("title 贪吃蛇");outtextxy(500, 350, "欢迎来到贪吃蛇小游戏");outtextxy(600, 400, "随意点击屏幕继续. . .");//随意点击屏幕system("pause");//清空屏幕，换画面cleardevice();//功能介绍信息outtextxy(400, 350, "1.用 ↑   ↓   ←   → 来控制蛇的移动，F3是加速，F4是减速");outtextxy(400, 370, "2.加速能得到更高的分数");outtextxy(600, 400, "随意点击屏幕继续. . .");//打印尾巴信息system("pause");//清空桌面cleardevice();}
//绘制地图
void CreateMap() {IMAGE img1;//玩游戏背景图loadimage(&img1, "picture.jpg\\picture.jpg", 900, 700, true);//从0，开始画图putimage(0, 0, &img1);//画线矩形setlinecolor(GREEN);//rectangle(0, 0, 900, 699);//rectangle(3, 3, 897, 697);//上int i = 0;for (i = 0; i <= 900; i += 15){rectangle(i, 0, i + 13, 13);}//下for (i = 0; i <= 900; i += 15){rectangle(i, 700, i + 13, 700 + 13);}//左for (i = 20; i < 700; i += 20){rectangle(0, i , 0 + 13, i + 17);}//右for (i = 1; i <  700; i += 20){rectangle(900, i, 900 + 13, i + 17);}}//初始化蛇
void InitSnake(pSnake ps) {//创建5个节点pSnakeNode cur = NULL;for (int i = 0; i < 5; i++) {cur = (pSnakeNode)malloc(sizeof(SnakeNode));if (cur == NULL) {perror("malloc fail!");return;}cur->x = POS_X + i * 15;cur->y = POS_Y;cur->next = NULL;if (ps->pSnake == NULL) {ps->pSnake = cur;}else {cur->next = ps->pSnake;ps->pSnake = cur;}}//打印蛇的位置cur = ps->pSnake;while (cur) {picture(cur->x, cur->y);cur = cur->next;}//初始化贪吃蛇其他属性ps->dir = RIGHT;//向右ps->pFood = NULL;ps->Score = 0;ps->FoodWeight = 10;ps->SleepTime = 200;ps->status = OK;
}
//打印蛇身
void picture(int x, int y) {IMAGE img1;loadimage(&img1, "picture.jpg\\picture2.jpg", SIZE_X, SIZE_Y, true);putimage(x, y, &img1);
}//创建食物
void CreateFood(pSnake ps) {pSnakeNode pNext = (pSnakeNode)malloc(sizeof(SnakeNode));if (pNext == NULL) {perror("pNext malloc fail!");return;}int x = 0;int y = 0;
circulate:do {//避免出现在（0，0）x = rand() % 871 + 15 ;y = rand() % 681 + 20;} while (x % 15 != 0 || y % 20 != 0);pSnakeNode cur = ps->pSnake;while (cur) {if (cur->x == x && cur->y == y) {goto circulate;}cur = cur->next;}pNext->x = x;pNext->y = y;pNext->next = NULL;//维护食物ps->pFood = pNext;//打印食物IMAGE img3;loadimage(&img3, "picture.jpg\\R-C (1).jpg", 15, 20, true);putimage(x, y, &img3);}
//玩游戏的过程
void GameRun(pSnake ps) {//打印帮助(规则)信息PrintHelpInfo();do {//当前分数情况Score(ps);//向上if (KEY_PRESS(VK_UP) && ps->dir != DOWN) {ps->dir = UP;}//向下else if (KEY_PRESS(VK_DOWN) && ps->dir != UP) {ps->dir = DOWN;}//向左else if (KEY_PRESS(VK_LEFT) && ps->dir != RIGHT) {ps->dir = LEFT;}//向右else if (KEY_PRESS(VK_RIGHT) && ps->dir != LEFT) {ps->dir = RIGHT;}//暂停else if (KEY_PRESS(VK_SPACE)) {//游戏要暂停pause();}//加速else if (KEY_PRESS(VK_F3)) {if (ps->FoodWeight < 16) {ps->FoodWeight += 2;ps->SleepTime -= 50;}}//减速else if (KEY_PRESS(VK_F4)) {if (ps->FoodWeight > 4) {ps->FoodWeight -= 2;ps->SleepTime += 50;}}//退出游戏else if (KEY_PRESS(VK_ESCAPE)) {ps->status = ESC;}//走一步SnakeMove(ps);//休眠Sleep(ps->SleepTime);} while (ps->status == OK);}//打印帮助(规则)信息
void PrintHelpInfo() {//规则setlinecolor(MAGENTA);rectangle(918, 50, 1250, 180);outtextxy(930, 60, "1.不能穿墙，不能咬到自己");outtextxy(930, 80, "2.用 ↑.↓.←.→ 来控制蛇的移动");outtextxy(930, 100, "3.F3是加速，F4是减速");outtextxy(930, 120, "4.一个食物基础分10分");outtextxy(930, 140, "5.加速一次加2分，最大加6分");outtextxy(930, 160, "6.减速一次减2分，最大减6分");}
//当前分数情况
void Score(pSnake ps) {char num1[10];char num2[10];sprintf(num1, "%d", ps->Score);sprintf(num2, "%d", ps->FoodWeight);outtextxy(930, 300, "当前总积分：");outtextxy(1020, 300, num1);outtextxy(930, 340, "当前一个食物积分：");outtextxy(1065, 340, num2);
}
//游戏要暂停
void pause() {while (true) {if (KEY_PRESS(VK_SPACE)) {break;}Sleep(200);}
}
//蛇走一步
void SnakeMove(pSnake ps) {//生成下一个走过的节点pSnakeNode pNext = (pSnakeNode)malloc(sizeof(SnakeNode));if (pNext == NULL) {perror("malloc tail");return;}pNext->next = NULL;//向上if (ps->dir == UP) {pNext->x = ps->pSnake->x;pNext->y = ps->pSnake->y - 20;}//向下else if (ps->dir == DOWN) {pNext->x = ps->pSnake->x;pNext->y = ps->pSnake->y + 20;}//向右else if (ps->dir == LEFT) {pNext->x = ps->pSnake->x - 15;pNext->y = ps->pSnake->y;}//向左else if (ps->dir == RIGHT) {pNext->x = ps->pSnake->x + 15;pNext->y = ps->pSnake->y;}//下一个坐标处是否是食物if (NextIsFood(ps, pNext)){//是食物就吃掉EatFood(ps, pNext);}else{//不是食物就正常一步NotEatFood(ps, pNext);}//检测撞墙KillByWall(ps);//检测撞到自己KillBySelf(ps);
}
//判断下一个坐标是不是食物
bool NextIsFood(pSnake ps, pSnakeNode pNext) {if (ps->pFood->x == pNext->x && ps->pFood->y == pNext->y) {return true;}else {return false;}
}//是食物就吃掉
void EatFood(pSnake ps, pSnakeNode pNext) {//头插pNext->next = ps->pSnake;ps->pSnake = pNext;//打印蛇pSnakeNode cur = ps->pSnake;while (cur) {picture(cur->x, cur->y);Scur = cur->next;}//改变分数ps->Score += ps->FoodWeight;//释放旧的食物free(ps->pFood);//重新生成食物CreateFood(ps);
}
//不是食物就正常一步
void NotEatFood(pSnake ps, pSnakeNode pNext) {//头插pNext->next = ps->pSnake;ps->pSnake = pNext;pSnakeNode cur = ps->pSnake;while (cur->next->next) {picture(cur->x, cur->y);cur = cur->next;}//把尾巴打印成背景图片	IMAGE img4;loadimage(&img4, "picture.jpg\\picture4.jpg", SIZE_X, SIZE_Y, true);putimage(cur->next->x, cur->next->y, &img4);//释放尾部free(cur->next);cur->next = NULL;
}
//检测撞墙
void KillByWall(pSnake ps) {if (ps->pSnake->x == 885 ||ps->pSnake->y == 680 ||ps->pSnake->x == 15 ||ps->pSnake->y == 20){ps->status = KILL_BY_WALL;return;}
}
//检测撞到自己
void KillBySelf(pSnake ps) {pSnakeNode cur = ps->pSnake->next;while (cur) {if (cur->x == ps->pSnake->x && cur->y == ps->pSnake->y){ps->status = KILL_BY_SELF;return;}cur = cur->next;}
}
//结束游戏后的工作
void GameEnd(pSnake ps)
{switch (ps->status){case ESC:outtextxy(330, 300, "主动退出游戏，正常退出\n");break;case KILL_BY_WALL:outtextxy(330, 300, "很遗憾，撞墙了，游戏结束\n");break;case KILL_BY_SELF:outtextxy(330, 300, "很遗憾，咬到自己了，游戏结束\n");break;}//释放贪吃蛇的链表资源pSnakeNode cur = ps->pSnake;pSnakeNode del = NULL;while (cur){del = cur;cur = cur->next;free(del);}//把最后打印的食物打印成背景图片IMAGE img4;loadimage(&img4, "picture.jpg\\picture4.jpg", SIZE_X, SIZE_Y, true);putimage(ps->pFood->x, ps->pFood->y, &img4);free(ps->pFood);ps = NULL;
}//判断是否再来一局
bool Determine(char str[]) {char arr[4] = "Yes";int ret = strcmp(str, arr);if (ret == 0) {return true;}else {return false;}
}

好啦今天的分享就到这里了，感谢观看。