《贪吃蛇小游戏 1.0》源码

好久不见！

终于搞好了简易版贪吃蛇小游戏（C语言版），邀请你来玩一下~

Snake.h

Snake.c

test.c

Snake.h

#include<stdio.h>
#include<windows.h>
#include<stdbool.h>
#include<stdlib.h>
#include<time.h>

#define POS_X 24
#define POS_Y 5

#define WALL L'□'
#define BODY L'●'
#define FOOD L'★'

//类型的声明

//蛇的方向
enum DIRECTION
{
	UP,
	DOWN,
	LEFT,
	RIGHT
};

//蛇的状态
//正常，撞墙，撞到自己，正常退出
enum GAME_STATUS
{
	OK,
	KILL_BY_WALL,
	KILL_BY_SELF,
	END_NORMAL
};

//蛇身的节点类型
typedef struct SnakeNode
{
	//坐标
	int x;
	int y;
	//指向蛇身体下一个节点的指针
	struct SnakeNode* next;
}SnakeNode, * pSnakeNode;

//贪吃蛇
typedef struct Snake
{
	pSnakeNode _pSnake;//指向蛇头的指针
	pSnakeNode _pFood;//指向食物的指针
	enum DIRECTION _dir;//蛇的方向
	enum GAME_STATUS _status;//蛇的状态
	int _food_weight;//一个食物的分数
	int _score;//总分数
	int _sleep_time;//休息时间，时间越短，速度越快，时间越长，速度越慢
}Snake, * pSnake;


//函数的声明

//定位光标的位置
void SetPos(short x, short y);

//游戏的初始化
void GameStart(pSnake ps);

//打印欢迎界面
void WelcomeToGame();

//打印地图
void CreateMap();

//初始化蛇身
void InitSnake(pSnake ps);

//创建食物
void CreateFood(pSnake ps);

//游戏运行的逻辑
void GameRun(pSnake ps);

//蛇移动，走一步
void SnakeMove(pSnake ps);

//判断下一个坐标是否是食物
int NextIsFood(pSnakeNode pn, pSnake ps);

//下一个位置是食物，就吃掉食物
void EatFood(pSnakeNode pn, pSnake ps);

//下一个位置不是食物
void NoFood(pSnakeNode pn, pSnake ps);

//检测蛇是否撞墙
void KillByWall(pSnake ps);

//检测蛇是否撞到自己
void KillBySelf(pSnake ps);

//游戏善后的工作
void GameEnd(pSnake ps);

Snake.c

#include"Snake.h"

//定位光标的位置
void SetPos(short x, short y)
{

	//获取标准输出设备的句柄
	HANDLE houtput = NULL;
	houtput = GetStdHandle(STD_OUTPUT_HANDLE);

	//定位控制台里面光标的位置
	COORD pos = { x,y };
	SetConsoleCursorPosition(houtput, pos);
}

//打印欢迎界面
void WelcomeToGame()
{
	SetPos(46, 14);
	wprintf(L"欢迎来到贪吃蛇小游戏\n");
	SetPos(50, 20);//让“按任意位置继续”的位置好看些
	system("pause");
	system("cls");
	SetPos(30, 14);
	wprintf(L"用 ↑ . ↓ . ← . → 分别控制蛇的移动， F3为加速，F4为减速\n");
	SetPos(44, 16);
	wprintf(L"加速将能得到更高的分数\n");

	SetPos(48, 20);
	system("pause");
	system("cls");

}

//打印地图
void CreateMap()
{
	int i = 0;
	//上
	for (i = 0; i < 29; i++)
	{
		wprintf(L"%c", WALL);
	}

	//下
	SetPos(0, 26);
	for (i = 0; i < 29; i++)
	{
		wprintf(L"%c", WALL);
	}

	//左
	for (i = 1; i < 26; i++)
	{
		SetPos(0, i);
		wprintf(L"%c", WALL);
	}

	//右
	for (i = 1; i < 26; i++)
	{
		SetPos(56, i);
		wprintf(L"%c", WALL);
	}

}

//初始化蛇身
void InitSnake(pSnake ps)
{
	int i = 0;
	pSnakeNode cur = NULL;

	for (i = 0; i < 5; i++)
	{
		cur = (pSnakeNode)malloc(sizeof(SnakeNode));
		if (cur == NULL)
		{
			perror("InitSnake()::malloc()");
			return;
		}
		cur->next = NULL;
		cur->x = POS_X + i * 2;
		cur->y = POS_Y;

		//头插法插入链表
		if (ps->_pSnake == NULL)//指向蛇头的指针为空，空链表
		{
			ps->_pSnake = cur;
		}
		else//非空链表
		{
			cur->next = ps->_pSnake;
			ps->_pSnake = cur;
		}
	}

	//此时五个节点的链表已创建好，开始打印蛇身
	cur = ps->_pSnake;
	while (cur)
	{
		SetPos(cur->x, cur->y);
		wprintf(L"%lc", BODY);
		cur = cur->next;
	}

	//设置贪吃蛇的属性
	ps->_dir = RIGHT;//蛇的方向
	ps->_status = OK;//蛇的状态
	ps->_food_weight = 10;//一个食物的分数
	ps->_score = 0;//总分数
	ps->_sleep_time = 200; //单位是毫秒

}

//创建食物
void CreateFood(pSnake ps)
{
	int x = 0;
	int y = 0;

	//x生成是2的倍数
	//x:2~54
	//y:1~25
again:
	do
	{
		x = rand() % 53 + 2;
		y = rand() % 25 + 1;
	} while (x % 2 != 0);

	//食物的坐标和蛇身结点的坐标不能冲突
	pSnakeNode cur = ps->_pSnake;
	while (cur)
	{
		if (cur->x == x && cur->y == y)
		{
			goto again;
		}
		cur = cur->next;
	}

	//创建食物的节点
	pSnakeNode pFood = (pSnakeNode)malloc(sizeof(SnakeNode));
	if (pFood == NULL)
	{
		perror("CreateFood()::malloc()");
		return;
	}
	pFood->x = x;
	pFood->y = y;
	pFood->next = NULL;

	SetPos(x, y);
	wprintf(L"%lc", FOOD);
	ps->_pFood = pFood;
}

void GameStart(pSnake ps)
{
	//0.先设置窗口大小，再光标隐藏
	system("mode con cols=115 lines=30");
	system("title 贪吃蛇");

	HANDLE hOutput = NULL;
	//获取标准输出的句柄(⽤来标识不同设备的数值)
	hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
	CONSOLE_CURSOR_INFO CursorInfo;
	GetConsoleCursorInfo(hOutput, &CursorInfo);//获取控制台光标信息
	CursorInfo.bVisible = false; //隐藏控制台光标
	SetConsoleCursorInfo(hOutput, &CursorInfo);//设置控制台光标状态

	//1.打印游戏界面 + 功能介绍
	WelcomeToGame();
	//2.绘制地图
	CreateMap();
	//3.创建蛇
	InitSnake(ps);
	//4.创建食物
	CreateFood(ps);
}

//右侧提示信息的打印
void PrintHelpInfo()
{
	SetPos(67, 12);
	wprintf(L"%ls", L"提示信息如下：");
	SetPos(67, 14);
	wprintf(L"%ls", L"1.不能穿墙，不能咬到自己");
	SetPos(67, 15);
	wprintf(L"%ls", L"2.用 ↑ . ↓ . ← . → 分别控制蛇的移动");
	SetPos(67, 16);
	wprintf(L"%ls", L"3.按F3加速，按F4减速");
	SetPos(67, 20);
	wprintf(L"%ls", L"云边有个稻草人@版权");
}

#define KEY_PRESS(vk) ((GetAsyncKeyState(vk)&1)?1:0)

//暂停游戏
void Pause()
{
	while (1)
	{
		Sleep(200);
		if (KEY_PRESS(VK_SPACE))
		{
			break;
		}
	}
}

//判断下一个节点是否是食物
int NextIsFood(pSnakeNode pn, pSnake ps)
{
	return (ps->_pFood->x == pn->x && ps->_pFood->y == pn->y);
}

//吃食物
void EatFood(pSnakeNode pn, pSnake ps)
{
	//头插法将食物插入链表
	ps->_pFood->next = ps->_pSnake;
	ps->_pSnake = ps->_pFood;

	//释放下一个位置的节点
	free(pn);
	pn = NULL;

	pSnakeNode cur = ps->_pSnake;
	//打印蛇
	while (cur)
	{
		SetPos(cur->x, cur->y);
		wprintf(L"%lc", BODY);
		cur = cur->next;
	}

	ps->_score += ps->_food_weight;

	//重新创建食物
	CreateFood(ps);

}

void NoFood(pSnakeNode pn, pSnake ps)
{
	//头插
	pn->next = ps->_pSnake;
	ps->_pSnake = pn;

	//打印蛇身
	pSnakeNode cur = ps->_pSnake;
	while (cur->next->next != NULL)
	{
		SetPos(cur->x, cur->y);
		wprintf(L"%lc", BODY);
		cur = cur->next;
	}

	//将最后一个节点打印成空白字符
	SetPos(cur->next->x, cur->next->y);
	printf("  ");

	//释放最后一个节点
	free(cur->next);

	//将倒数第二个节点的地址置为空
	cur->next = NULL;
}

void KillByWall(pSnake ps)
{
	if (ps->_pSnake->x == 0 || ps->_pSnake->x == 56 || ps->_pSnake->y == 0 || ps->_pSnake->y == 26)
	{
		ps->_status = KILL_BY_WALL;
	}
}

void KillBySelf(pSnake ps)
{
	pSnakeNode cur = ps->_pSnake->next;
	while (cur)
	{
		if (ps->_pSnake->x == cur->x && ps->_pSnake->y == cur->y)
		{
			ps->_status = KILL_BY_SELF;
			break;
		}
		cur = cur->next;
	}
}

void SnakeMove(pSnake ps)
{
	//创建一个节点，表示蛇即将到达的下一个节点
	pSnakeNode pNextNode = (pSnakeNode)malloc(sizeof(SnakeNode));
	if (pNextNode == NULL)
	{
		perror("SnakeMove()::malloc()");
		return;
	}
	switch (ps->_dir)
	{
	case UP:
		pNextNode->x = ps->_pSnake->x;
		pNextNode->y = ps->_pSnake->y - 1;
		break;
	case DOWN:
		pNextNode->x = ps->_pSnake->x;
		pNextNode->y = ps->_pSnake->y + 1;
		break;
	case LEFT:
		pNextNode->x = ps->_pSnake->x - 2;
		pNextNode->y = ps->_pSnake->y;
		break;
	case RIGHT:
		pNextNode->x = ps->_pSnake->x + 2;
		pNextNode->y = ps->_pSnake->y;
		break;
	}

	//检测下一个坐标处是否是食物
	if (NextIsFood(pNextNode, ps))
	{
		EatFood(pNextNode, ps);
	}
	else
	{
		NoFood(pNextNode, ps);
	}

	//检测蛇是否撞墙
	KillByWall(ps);

	//检测蛇是否撞到自己
	KillBySelf(ps);
}

//运行游戏
void GameRun(pSnake ps)
{
	//打印帮助信息
	PrintHelpInfo();
	do
	{
		//打印总分数和食物的分值
		SetPos(64, 10);
		printf("总分数：%d\n", ps->_score);
		SetPos(64, 11);
		printf("每个食物得分：%2d\n", ps->_food_weight);

		if (KEY_PRESS(VK_UP) && ps->_dir != DOWN)
		{
			ps->_dir = UP;
		}
		else if (KEY_PRESS(VK_DOWN) && ps->_dir != UP)
		{
			ps->_dir = DOWN;
		}
		else if (KEY_PRESS(VK_LEFT) && ps->_dir != RIGHT)
		{
			ps->_dir = LEFT;
		}
		else if (KEY_PRESS(VK_RIGHT) && ps->_dir != LEFT)
		{
			ps->_dir = RIGHT;
		}
		else if (KEY_PRESS(VK_SPACE))
		{
			Pause();
		}
		else if (KEY_PRESS(VK_ESCAPE))
		{
			ps->_status = END_NORMAL;
		}
		else if (KEY_PRESS(VK_F3))
		{
			if (ps->_sleep_time > 80)
			{
				ps->_sleep_time -= 30;
				ps->_food_weight += 2;//⼀个⻝物分数最⾼是20分
			}
		}
		else if (KEY_PRESS(VK_F4))
		{
			if (ps->_sleep_time > 2)
			{
				ps->_sleep_time += 30;
				ps->_food_weight -= 2;//⼀个⻝物分数最低是2分
			}
		}

		//蛇每次⼀定之间要休眠的时间，时间短，蛇移动速度就快
		Sleep(ps->_sleep_time);

		SnakeMove(ps);


	} while (ps->_status == OK);
}

//游戏善后工作
void GameEnd(pSnake ps)
{
	SetPos(44, 12);
	switch (ps->_status)
	{
	case END_NORMAL:
		printf("您主动退出游戏\n");
		break;
	case KILL_BY_WALL:
		printf("撞到墙上了，游戏结束\n");
		break;
	case KILL_BY_SELF:
		printf("撞到自己了，游戏结束\n");
		break;
	}

	//释放蛇身的链表
	pSnakeNode cur = ps->_pSnake;
	while (cur)
	{
		pSnakeNode del = cur;
		cur = cur->next;
		free(del);
	}
}

test.c

#include<locale.h>
#include "Snake.h"

//完成的是游戏的测试逻辑
void test()
{
	int ch = 0;
	do
	{
		system("cls");
		//创建贪吃蛇
		Snake snake = { 0 };

		//初始化游戏
		//1.打印游戏界面
		//2.功能介绍
		//3.绘制地图
		//4.创建蛇
		//5.创建食物
		//6.设置游戏的相关信息
		GameStart(&snake);

		//运行游戏
		GameRun(&snake);

		//结束游戏
		GameEnd(&snake);

		SetPos(30, 15);
		printf("再来一局吗? Y/N");
		ch = getchar();
		while (getchar() != '\n');

	} while (ch == 'Y' || ch == 'y');

	SetPos(0, 27);
}

int main()
{
	setlocale(LC_ALL, "");
	srand((unsigned int)time(NULL));
	test();

	return 0;
}

完

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