C语言贪吃蛇小游戏 C语言链表实现贪吃蛇小游戏
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项目名称：
贪吃蛇小游戏
运行环境：
Linux
编程语言：
C语言
主要语法：
链表，指针，函数
备注：
游戏中可选不同难度模式，
1.简易——Easy——速度慢，可穿墙，可触碰自己
2.困难——Hard——速度快，不可穿墙，不可触碰自己
3.自动——Auto——外挂模式，自动吃食，直到胜利
代码
贪吃蛇小游戏代码：
#include <curses.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
#include <stdio.h>
#define UP 1
#define DOWN -1
#define LEFT 2
#define RIGHT -2
struct Snake //define the snake
{
int hang;
int lie;
struct Snake *next;
};
struct Snake food; //define the food
struct Snake *head= NULL;
struct Snake *tail = NULL;
int key;
int dir;
int set = 49;
int nub = 4;
void initFood() //init food
{
int x = rand()%20;
int y = (rand()%19)+1;
food.hang = x;
food.lie = y;
}
void initNcurse() //init ncurse
{
initscr();
keypad(stdscr,1);
noecho();
}
int hasFood(int i,int j) //judge whether shoule show the food
{
if(food.hang == i && food.lie == j)
{
return 1;
}
return 0;
}
int hasSnakeNode(int i, int j) //judge whether shoule show the snake
{
struct Snake *p;
p = head;
while(p != NULL)
{
if(p->hang == i && p->lie == j)
{
return 1;
}
p = p->next;
}
return 0;
}
void gamePic() //show the whole picture
{
int hang;
int lie;
move(0,0);
for(hang=0;hang<20;hang++) //20*20 size map
{
if(hang == 0)
{
for(lie=0;lie<20;lie++)
{
printw("--");
}
printw("\n");
}
if(hang >= 0 && hang <= 19)
{
for(lie=0;lie<=20;lie++)
{
if(lie == 0 || lie == 20)
printw("|");
else if(hasSnakeNode(hang,lie))
{
printw("[]");
}
else if(hasFood(hang,lie))
{
printw("##");
}
else
printw(" ");
}
printw("\n");
}
if(hang == 19)
{
for(lie=0;lie<20;lie++)
{
printw("--");
}
printw("\n");
}
}
printw("by HaoQing, Happy Game!\n");
switch(dir)
{
case UP:
printw("Snake UP! \n");
break;
case DOWN:
printw("Snake DOWN! \n");
break;
case LEFT:
printw("Snake LEFT! \n");
break;
case RIGHT:
printw("Snake RIGHT!\n");
break;
}
if(nub >= 380)
{
printw("------------------------------------\n");
printw("==============YOU WIN!==============\n");
printw("------------------------------------\n");
}
}
void addNode() //add the node of snake
{
struct Snake *new = (struct Snake *)malloc(sizeof(struct Snake));
new->next = NULL;
switch(dir)
{
case UP:
new->hang = tail->hang-1;
new->lie = tail->lie;
break;
case DOWN:
new->hang = tail->hang+1;
new->lie = tail->lie;
break;
case LEFT:
new->hang = tail->hang;
new->lie = tail->lie-1;
break;
case RIGHT:
new->hang = tail->hang;
new->lie = tail->lie+1;
break;
}
tail->next = new;
tail = new;
}
void initSnake() //init snake
{
struct Snake *p;
dir = RIGHT;
while(head != NULL)
{
p = head;
head = head->next;
free(p);
}
initFood();
head = (struct Snake *)malloc(sizeof(struct Snake));
head->hang = 1;
head->lie = 1;
head->next = NULL;
tail = head;
addNode();
addNode();
addNode();
}
void deleNode() //delete the node of snake
{
struct Snake *p;
p = head;
head = head->next;
free(p);
}
int ifSnakeDie() //judge whether the snake is die
{
struct Snake *p;
p = head;
if(tail->hang < 0 || tail->lie == 0 || tail->hang == 20 || tail->lie == 20)
{
return 1;
}
while(p->next != NULL)
{
if(p->hang == tail->hang && p->lie == tail->lie)
return 1;
p=p->next;
}
return 0;
}
void moveSnake() //move the snake
{
addNode();
if(hasFood(tail->hang,tail->lie))
{ initFood();
nub++; //judge whether win
}
else
deleNode();
if(set != 49 && set != 50 && set != 53)
{
if(ifSnakeDie())
initSnake();
}
}
void refreshJieMian() //refresh the picture
{
while(1)
{
moveSnake();
gamePic();
refresh();
switch(set)
{
case 49:
usleep(200000);
break;
case 50:
usleep(100000);
break;
case 51:
usleep(100000);
break;
case 52:
usleep(80000);
break;
case 53:
usleep(70000);
break;
default:
usleep(150000);
}
}
}
void turn(int direction) //prevent reverse
{
if(set != 49 && set != 50 && set != 53)
{ if(abs(dir) != abs(direction))
{
dir = direction;
}
}
else
dir = direction;
}
void changeDir() //change direction
{
while(1)
{
if(set != 53)
{
key = getch();
switch(key)
{
case KEY_DOWN:
turn(DOWN); //-1
break;
case KEY_UP:
turn(UP); //1
break;
case KEY_LEFT:
turn(LEFT); //2
break;
case KEY_RIGHT:
turn(RIGHT); //-2
break;
}
}
else
{
if(tail->hang > food.hang)
turn(UP);
else if(tail->hang < food.hang)
turn(DOWN);
if(tail->lie > food.lie)
turn(LEFT);
else if(tail->lie < food.lie)
turn(RIGHT);
}
}
}
int main()
{
initNcurse();
printw("======Welcome To Snake Eating!======\n");
printw("------------------------------------\n");
printw("Please select difficulty level:\n");
printw("\n");
printw(" Fool,please enter \"1\"\n");
printw(" Simple,please enter \"2\"\n");
printw(" Hard,please enter \"3\"\n");
printw(" Hell,please enter \"4\"\n");
printw(" Auto,please enter \"5\"\n");
printw("------------------------------------\n");
printw("You want:");
set = getch();
pthread_t t1;
pthread_t t2;
initSnake();
gamePic();
pthread_create(&t1,NULL,(void *)refreshJieMian,NULL);
pthread_create(&t2,NULL,(void *)changeDir,NULL);
while(1);
endwin();
return 0;
}
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