- #include <stdio.h>
- #include <time.h>
- #include <windows.h>
- #include <stdlib.h>
- #define U 1
- #define D 2
- #define L 3
- #define R 4 //蛇的状态,U:上 ;D:下;L:左 R:右
- typedef struct SNAKE //蛇身的一个节点
- {
- int x;
- int y;
- struct SNAKE *next;
- } snake;
- //全局变量//
- int score = 0, add = 10; //总得分与每次吃食物得分。
- int status, sleeptime = 200; //每次运行的时间间隔
- snake *head, *food; //蛇头指针,食物指针
- snake *q; //遍历蛇的时候用到的指针
- int endgamestatus = 0; //游戏结束的情况,1:撞到墙;2:咬到自己;3:主动退出游戏。
- //声明全部函数//
- void Pos();
- void creatMap();
- void initsnake();
- int biteself();
- void createfood();
- void cantcrosswall();
- void snakemove();
- void pause();
- void gamecircle();
- void welcometogame();
- void endgame();
- void gamestart();
- void Pos(int x, int y) //设置光标位置
- {
- COORD pos;
- HANDLE hOutput;
- pos.X = x;
- pos.Y = y;
- hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
- SetConsoleCursorPosition(hOutput, pos);
- }
- void creatMap() //创建地图
- {
- int i;
- for (i = 0; i < 58; i += 2) //打印上下边框
- {
- Pos(i, 0);
- printf("■");
- Pos(i, 26);
- printf("■");
- }
- for (i = 1; i < 26; i++) //打印左右边框
- {
- Pos(0, i);
- printf("■");
- Pos(56, i);
- printf("■");
- }
- }
- void initsnake() //初始化蛇身
- {
- snake *tail;
- int i;
- tail = (snake *)malloc(sizeof(snake)); //从蛇尾开始,头插法,以x,y设定开始的位置//
- tail->x = 24;
- tail->y = 5;
- tail->next = NULL;
- for (i = 1; i <= 4; i++)
- {
- head = (snake *)malloc(sizeof(snake));
- head->next = tail;
- head->x = 24 + 2 * i;
- head->y = 5;
- tail = head;
- }
- while (tail != NULL) //从头到为,输出蛇身
- {
- Pos(tail->x, tail->y);
- printf("■");
- tail = tail->next;
- }
- }
- int biteself() //判断是否咬到了自己
- {
- snake *self;
- self = head->next;
- while (self != NULL)
- {
- if (self->x == head->x && self->y == head->y)
- {
- return 1;
- }
- self = self->next;
- }
- return 0;
- }
- void createfood() //随机出现食物
- {
- snake *food_1;
- srand((unsigned)time(NULL));
- food_1 = (snake *)malloc(sizeof(snake));
- while ((food_1->x % 2) != 0) //保证其为偶数,使得食物能与蛇头对其
- {
- food_1->x = rand() % 52 + 2;
- }
- food_1->y = rand() % 24 + 1;
- q = head;
- while (q->next == NULL)
- {
- if (q->x == food_1->x && q->y == food_1->y) //判断蛇身是否与食物重合
- {
- free(food_1);
- createfood();
- }
- q = q->next;
- }
- Pos(food_1->x, food_1->y);
- food = food_1;
- printf("■");
- }
- void cantcrosswall() //不能穿墙
- {
- if (head->x == 0 || head->x == 56 || head->y == 0 || head->y == 26)
- {
- endgamestatus = 1;
- endgame();
- }
- }
- void snakemove() //蛇前进,上U,下D,左L,右R
- {
- snake *nexthead;
- cantcrosswall();
- nexthead = (snake *)malloc(sizeof(snake));
- if (status == U)
- {
- nexthead->x = head->x;
- nexthead->y = head->y - 1;
- if (nexthead->x == food->x && nexthead->y == food->y) //如果下一个有食物//
- {
- nexthead->next = head;
- head = nexthead;
- q = head;
- while (q != NULL)
- {
- Pos(q->x, q->y);
- printf("■");
- q = q->next;
- }
- score = score + add;
- createfood();
- }
- else //如果没有食物//
- {
- nexthead->next = head;
- head = nexthead;
- q = head;
- while (q->next->next != NULL)
- {
- Pos(q->x, q->y);
- printf("■");
- q = q->next;
- }
- Pos(q->next->x, q->next->y);
- printf(" ");
- free(q->next);
- q->next = NULL;
- }
- }
- if (status == D)
- {
- nexthead->x = head->x;
- nexthead->y = head->y + 1;
- if (nexthead->x == food->x && nexthead->y == food->y) //有食物
- {
- nexthead->next = head;
- head = nexthead;
- q = head;
- while (q != NULL)
- {
- Pos(q->x, q->y);
- printf("■");
- q = q->next;
- }
- score = score + add;
- createfood();
- }
- else //没有食物
- {
- nexthead->next = head;
- head = nexthead;
- q = head;
- while (q->next->next != NULL)
- {
- Pos(q->x, q->y);
- printf("■");
- q = q->next;
- }
- Pos(q->next->x, q->next->y);
- printf(" ");
- free(q->next);
- q->next = NULL;
- }
- }
- if (status == L)
- {
- nexthead->x = head->x - 2;
- nexthead->y = head->y;
- if (nexthead->x == food->x && nexthead->y == food->y) //有食物
- {
- nexthead->next = head;
- head = nexthead;
- q = head;
- while (q != NULL)
- {
- Pos(q->x, q->y);
- printf("■");
- q = q->next;
- }
- score = score + add;
- createfood();
- }
- else //没有食物
- {
- nexthead->next = head;
- head = nexthead;
- q = head;
- while (q->next->next != NULL)
- {
- Pos(q->x, q->y);
- printf("■");
- q = q->next;
- }
- Pos(q->next->x, q->next->y);
- printf(" ");
- free(q->next);
- q->next = NULL;
- }
- }
- if (status == R)
- {
- nexthead->x = head->x + 2;
- nexthead->y = head->y;
- if (nexthead->x == food->x && nexthead->y == food->y) //有食物
- {
- nexthead->next = head;
- head = nexthead;
- q = head;
- while (q != NULL)
- {
- Pos(q->x, q->y);
- printf("■");
- q = q->next;
- }
- score = score + add;
- createfood();
- }
- else //没有食物
- {
- nexthead->next = head;
- head = nexthead;
- q = head;
- while (q->next->next != NULL)
- {
- Pos(q->x, q->y);
- printf("■");
- q = q->next;
- }
- Pos(q->next->x, q->next->y);
- printf(" ");
- free(q->next);
- q->next = NULL;
- }
- }
- if (biteself() == 1) //判断是否会咬到自己
- {
- endgamestatus = 2;
- endgame();
- }
- }
- void pause() //暂停
- {
- while (1)
- {
- Sleep(300);
- if (GetAsyncKeyState(VK_SPACE))
- {
- break;
- }
- }
- }
- void gamecircle() //控制游戏
- {
- Pos(64, 15);
- printf("不能穿墙,不能咬到自己\n");
- Pos(64, 16);
- printf("用↑.↓.←.→分别控制蛇的移动.");
- Pos(64, 17);
- printf("F1 为加速,F2 为减速\n");
- Pos(64, 18);
- printf("ESC :退出游戏.space:暂停游戏.");
- Pos(64, 20);
- printf("张文斌修改完成C语言程序贪吃蛇");
- status = R;
- while (1)
- {
- Pos(64, 10);
- printf("得分:%d ", score);
- Pos(64, 11);
- printf("每个食物得分:%d分", add);
- j if (GetAsyncKeyState(VK_UP) && status != D)
- {
- status = U;
- }
- else if (GetAsyncKeyState(VK_DOWN) && status != U)
- {
- status = D;
- }
- else if (GetAsyncKeyState(VK_LEFT) && status != R)
- {
- status = L;
- }
- else if (GetAsyncKeyState(VK_RIGHT) && status != L)
- {
- status = R;
- }
- else if (GetAsyncKeyState(VK_SPACE))
- {
- pause();
- }
- else if (GetAsyncKeyState(VK_ESCAPE))
- {
- endgamestatus = 3;
- break;
- }
- else if (GetAsyncKeyState(VK_F1))
- {
- if (sleeptime >= 50)
- {
- sleeptime = sleeptime - 30;
- add = add + 2;
- if (sleeptime == 320)
- {
- add = 2; //防止减到1之后再加回来有错
- }
- }
- }
- else if (GetAsyncKeyState(VK_F2))
- {
- if (sleeptime < 350)
- {
- sleeptime = sleeptime + 30;
- add = add - 2;
- if (sleeptime == 350)
- {
- add = 1; //保证最低分为1
- }
- }
- }
- Sleep(sleeptime);
- snakemove();
- }
- }
- void welcometogame() //开始界面
- {
- Pos(40, 12);
- system("title c语言研究中心");
- printf("欢迎来到贪食蛇游戏!");
- Pos(40, 25);
- system("pause");
- system("cls");
- Pos(25, 12);
- printf("用↑.↓.←.→分别控制蛇的移动, F1 为加速,2 为减速\n");
- Pos(25, 13);
- printf("加速将能得到更高的分数。\n");
- system("pause");
- system("cls");
- }
- void endgame() //结束游戏
- {
- system("cls");
- Pos(24, 12);
- if (endgamestatus == 1)
- {
- printf("对不起,您撞到墙了。游戏结束.");
- }
- else if (endgamestatus == 2)
- {
- printf("对不起,您咬到自己了。游戏结束.");
- }
- else if (endgamestatus == 3)
- {
- printf("您的已经结束了游戏。");
- }
- Pos(24, 13);
- printf("您的得分是%d\n", score);
- exit(0);
- }
- void gamestart() //游戏初始化
- {
- system("mode con cols=100 lines=30");
- welcometogame();
- creatMap();
- initsnake();
- createfood();
- }
- int main()
- {
- gamestart();
- gamecircle();
- endgame();
- return 0;
- }
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