贪吃蛇小游戏C语言实现
做一个简单的贪吃蛇小游戏
Snake.c
#include "Snake.h"
void CreatWall()
{
int i = 0;
for (i = 0; i <= 58; i+=2)
{
SetPos(i, 0);
printf(WALL);
}
for (i = 0; i <= 58; i += 2)
{
SetPos(i, 28);
printf(WALL);
}
for (i = 1; i <= 28; i++)
{
SetPos(0, i);
printf(WALL);
}
for (i = 1; i <= 28; i++)
{
SetPos(58, i);
printf(WALL);
}
SetPos(80, 20);
}
void GameHelp()
{
SetPos(65, 12);
printf("用↑，↓，←，→来控制方向");
SetPos(65, 13);
printf("按空格暂停，按F1加速，按F2减速");
SetPos(65, 14);
printf("按ESC退出");
}
void GameStart(pSnake ps)
{
WelcomeToGame();
CreatWall();
InitSnake(ps);
CreateFood(ps);
GameHelp();
ps->_Addscore = 1;
ps->_Dir = RIGHT;
ps->_Sleeptime = 200;
ps->_Status = OK;
ps->_Totalscore = 0;
GameRun(ps);
GameEnd(ps);
}
void WelcomeToGame()
{
system("mode con cols=100 lies=30");
SetPos(45, 14);
printf("welcome to Snake\n");
SetPos(100, 30);
system("pause");
system("cls");
SetPos(45, 14);
printf("use up,down,left,right to control snake\n");
SetPos(45, 15);
printf("different speed diffferent score\n");
SetPos(100, 30);
system("pause");
system("cls");
}
void SetPos(int x, int y)
{
COORD pos = { 0 };
HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
pos.X = x;
pos.Y = y;
SetConsoleCursorPosition(handle,pos);}
pSnakeNode BuyNode()
{
pSnakeNode pNewNode = (pSnakeNode)malloc(sizeof(Snake));
pNewNode->x = 0;
pNewNode->y = 0;
pNewNode->next = NULL;
return pNewNode;
}
void InitSnake(pSnake ps)
{
pSnakeNode frist = BuyNode();
pSnakeNode Cur = NULL;
int i = 0;
frist->x = INIT_X;
frist->y = INIT_Y;
for (i = 0; i < 4; i++)
{
Cur = BuyNode();
Cur->y = frist->y;
Cur->x = frist->x + 2;
Cur->next = frist;
frist = Cur;
}
while (Cur)
{
SetPos(Cur->x, Cur->y);
printf(FOOD);
Cur = Cur->next;
}
ps->_pSnake = frist;
}
void CreateFood(pSnake ps)
{
pSnakeNode food = BuyNode();
pSnakeNode Cur = ps->_pSnake;
srand((unsigned)(time(NULL)));
food->y = rand() % 26 + 1;
do
{
food->x = rand() % 55 + 2;
} while (food->x % 2 != 0);
if (food->x == Cur->x&&food->y == Cur->y)
{
CreateFood(ps);
return;
}
ps->_pFood = food;
SetPos(food->x, food->y);
printf(FOOD);
SetPos(100, 20);
}
void Pause()
{
while (1)
{
Sleep(100);
if (GetAsyncKeyState(VK_SPACE))
{
break;
}
}
}
void GameRun(pSnake ps)
{
do{
if (GetAsyncKeyState(VK_UP) && ps->_Dir != DOWN)
{
ps->_Dir = UP;
}
if (GetAsyncKeyState(VK_DOWN) && ps->_Dir != UP)
{
ps->_Dir = DOWN;
}
if (GetAsyncKeyState(VK_LEFT) && ps->_Dir != RIGHT)
{
ps->_Dir = LEFT;
}
if (GetAsyncKeyState(VK_RIGHT) && ps->_Dir != LEFT)
{
ps->_Dir = RIGHT;
}
if (GetAsyncKeyState(VK_SPACE))
{
Pause();
}
if (GetAsyncKeyState(VK_F1))
{
if (ps->_Sleeptime>40)
{
ps->_Sleeptime-=20 ;
ps->_Addscore += 2;
}
}
if (GetAsyncKeyState(VK_F2))
{
if (ps->_Sleeptime <= 300)
{
ps->_Sleeptime += 20;
if (ps->_Addscore > 1)
{
ps->_Addscore -= 2;
}
}
}
if (GetAsyncKeyState(VK_ESCAPE))
{
ps->_Status = END;
break;
}
SetPos(65, 10);
printf("当前加分：%d", ps->_Addscore);
Hidecursor();
Sleep(ps->_Sleeptime);
SnakeMove(ps);
KILLBYSELF(ps);
KILLBYWALL(ps);} while (ps->_Status==OK);
}
int NextIsFood(pSnakeNode pn, pSnake ps)
{
if ((pn->x == ps->_pFood->x) &&( pn->y==ps->_pFood->y))
{
return 1;
}
return 0;
}
void SnakeMove(pSnake ps)
{
SetPos(65, 8);
printf("总分：%d", ps->_Totalscore);
pSnakeNode pNewNode = BuyNode();
switch (ps->_Dir)
{
case UP:
{
pNewNode->x = ps->_pSnake->x;
pNewNode->y = ps->_pSnake->y - 1;
if (NextIsFood(pNewNode, ps))
{
EatFood(ps, pNewNode);
}
else
{
NoFood(ps, pNewNode);
}
}
break;
case DOWN:
{
pNewNode->x = ps->_pSnake->x;
pNewNode->y = ps->_pSnake->y + 1;
if (NextIsFood(pNewNode, ps))
{
EatFood(ps, pNewNode);
}
else
{
NoFood(ps, pNewNode);
}
}
break;
case 3:
{
pNewNode->x = ps->_pSnake->x - 2;
pNewNode->y = ps->_pSnake->y;
if (NextIsFood(pNewNode, ps))
{
EatFood(ps, pNewNode);
}
else
{
NoFood(ps, pNewNode);
}
}
break;
case 4:
{
pNewNode->x = ps->_pSnake->x + 2;
pNewNode->y = ps->_pSnake->y;
if (NextIsFood(pNewNode, ps))
{
EatFood(ps, pNewNode);
}
else
{
NoFood(ps, pNewNode);
}
}
break;
}
Sleep(100);
}
void EatFood(pSnake ps, pSnakeNode pn)
{
pn->next = ps->_pSnake;
ps->_pSnake = pn;
SetPos(ps->_pSnake->x, ps->_pSnake->y);
printf(FOOD);
ps->_Totalscore += ps->_Addscore;
CreateFood(ps);
}
void NoFood(pSnake ps, pSnakeNode pn)
{
pSnakeNode cur = NULL;
pn->next = ps->_pSnake;
ps->_pSnake = pn;
cur = ps->_pSnake;
while (cur->next->next)
{
SetPos(cur->x, cur->y);
printf(FOOD);
cur = cur->next;
}
SetPos(cur->x, cur->y);
printf(FOOD);
SetPos(cur->next->x, cur->next->y);
printf(" ");
free(cur->next);
cur->next = NULL;}
int KILLBYSELF(pSnake ps)
{
pSnakeNode cur = NULL;
cur = ps->_pSnake->next;
while (cur)
{
if (cur->x == ps->_pSnake->x&&cur->y == ps->_pSnake->y)
{
ps->_Status = KILL_BY_SELF;
return 1;
}
cur = cur->next;
}
return 0;
}
int KILLBYWALL(pSnake ps)
{
if (ps->_pSnake->x == 0 || ps->_pSnake->x == 58 || ps->_pSnake->y == 0 || ps->_pSnake->y == 28)
{
ps->_Status = KILL_BY_WALL;
return 1;
}
return 0;
}
void GameEnd(pSnake ps)
{
pSnakeNode Cur = ps->_pSnake;
switch (ps->_Status)
{
case END:
SetPos(25, 14);
printf("退出游戏");
SetPos(100,20);
break;
case KILL_BY_SELF:
SetPos(25, 14);
printf("你自杀了");
SetPos(100, 20);
break;
case KILL_BY_WALL:
SetPos(25, 14);
printf("你撞墙了");
SetPos(100, 20);
break;
}
while (Cur)
{
pSnakeNode del = Cur;
Cur = Cur->next;
free(del);
}
}
void Hidecursor()
{
HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
CONSOLE_CURSOR_INFO CursorInfo;
GetConsoleCursorInfo(handle, &CursorInfo);
CursorInfo.bVisible = 0;
SetConsoleCursorInfo(handle, &CursorInfo);
}
Snake.h
#pragma once
#include<Windows.h>
#include<malloc.h>
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#define WALL "■"
#define FOOD "●"
#define INIT_X 20
#define INIT_Y 10
typedef struct SnakeNode
{
struct SnakeNode* next;
int x;
int y;
}SnakeNode, *pSnakeNode;enum direction
{
UP=1,
DOWN,
LEFT,
RIGHT
};
enum Gamestatus
{
OK=1,
END,
KILL_BY_WALL,
KILL_BY_SELF,
};typedef struct Snake
{
pSnakeNode _pSnake;
pSnakeNode _pFood;
int _Totalscore;
int _Addscore;
int _Sleeptime;
enum direction _Dir;
enum Gamestatus _Status;
}Snake,*pSnake;
void CreatWall();//创建围墙
void GameStart();//游戏开始
void WelcomeToGame();//欢迎界面
void SetPos(int x, int y);//确定光标坐标
void InitSnake(pSnake ps);//初始化蛇
void CreateFood(pSnake ps);//创建食物
void GameRun(pSnake ps);//游戏进行
void SnakeMove(pSnake ps);//蛇移动
int KILLBYSELF(pSnake ps);//自杀
int KILLBYWALL(pSnake ps);//撞墙
void EatFood(ps, pNewNode);//下一个坐标是食物
void NoFood(ps, pNewNode);//下一个坐标不是食物
void GameHelp();//游戏界面提示
int NextIsFood(pSnakeNode pn, pSnake ps);//检查下一个坐标是否是FOOD
void Hidecursor();//隐藏控制台光标
void GameEnd(pSnake ps);//游戏结束，释放空间
test.c
#include"Snake.h"
int main()
{
Snake ps = { 0 };
GameStart(&ps);
return 0;
}