C语言贪吃蛇

#include

#include <stdio.h>

#include <stdlib.h>

#include <windows.h>

#include <conio.h>

#include <time.h>

#define SCREEN_WIDTH  40    

#define SCREEN_LENGTH 15    

#define START_X 16          

#define START_Y 2          

enum direc{up, down, left, right};  

typedef struct snake{              

int x;

int y;

struct snake *next;

struct snake *pre;

struct snake *end;

}SNAKE;

typedef struct{                

int x;

int y;

}FOOD;

void HideCursor()        

{

HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);

CONSOLE_CURSOR_INFO cci;

GetConsoleCursorInfo(hOut, &cci);

cci.bVisible = FALSE;

SetConsoleCursorInfo(hOut, &cci);

}

void GotoRood(int x, int y)    

{

HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);

COORD cod;

cod.X = x;

cod.Y = y;

SetConsoleCursorPosition(hOut, cod);

}

//  sleep()代替delay  sleep(500)表示延迟500ms 

int Random(int n)          

{ 

    srand(time(NULL));

    return (rand() % n);

}

void BuildSnk(SNAKE *head)  

{

SNAKE *p = head;

while (p != NULL)

{

  GotoRood(p->x, p->y);

  printf("#");

  p = p->next;

}

}

void RemoveSnk(SNAKE *head)  

{

SNAKE *p = head;

while (p != NULL)

{

GotoRood(p->x, p->y);

printf(" ");

p = p->next;

}

}

void Move(int *d)  //移动方向。。。 上下左右   上：72  下：80 左：75 右：77

{

char ch;

while(_kbhit())

{

ch = getch();

if (ch == 72)

{

 if ((*d == left || *d == right) && *d != down)

   *d = up;

}

   else if (ch == 80)

        {

     if ((*d == left || *d == right) && *d != up)

     *d = down;

        }

   else if (ch == 75)

   {

 if ((*d == up || *d == down) && *d != right) 

    *d = left;

   }

else if (ch == 77)

   {

     if ((*d == up || *d == down) && *d != left)

  *d = right;

  }

}

}

void IniScreen(SNAKE *head)  

{

int i,j;

SNAKE *p1, *p2; 

HideCursor();

GotoRood(START_X,START_Y);

for (i = 0; i < SCREEN_WIDTH + 2; i++)

 printf("-");

    for (j = 1; j <= SCREEN_LENGTH; j++)

{

GotoRood(START_X + SCREEN_WIDTH + 1, START_Y + j);

printf("|");

} 

GotoRood(START_X, START_Y + SCREEN_LENGTH + 1);

for (i = 0; i < SCREEN_WIDTH + 2; i++)

      printf("-");

    for (j = 1; j <= SCREEN_LENGTH; j++)

    {

    GotoRood(START_X,START_Y + j);

    printf("|");

    }

    GotoRood(START_X + 20, START_Y - 1);

    printf("[email protected]计科 万齐飞"); 

    GotoRood(0,START_Y + 2);

    printf("游戏说明：\n\n↑设置等级\n\n按〖回车〗开始\n\n↑↓←→\n控制方向\n");

    head->x = START_X + SCREEN_WIDTH / 2;

head->y = START_Y + 8;

head->pre = NULL;

p1 = head;

i = 0;

while (++i < 3)

{

p2 = p1;

p1 = (SNAKE *)malloc(sizeof(SNAKE));

p1->x = START_X + SCREEN_WIDTH / 2;

      p1->y = START_Y + 8 + i;

      p1->end = NULL;

p2->next = p1;

p1->pre = p2;  /

}

p1->next = NULL;

head->end = p1;

BuildBody(head);

}

void CreatFood(FOOD *fd, SNAKE *snk)   

{

SNAKE *p = snk;

int clash = 0;    

while(1)

{

 clash = 0;

 fd->x = START_X + 1 + Random(SCREEN_WIDTH);  

 fd->y = START_Y + 1 + Random(SCREEN_LENGTH);  

 for (;p != NULL ;p = p->next)

   if (fd->x == p->x && fd->y == p->y)

        {

      clash = 1;

      break;

        }

      if (clash == 0)

       break;

}

GotoRood(fd->x, fd->y);

printf("*");

}

void CollisionTest(SNAKE *head)

{

if (head->x == START_X)   

  head->x = START_X + SCREEN_WIDTH;  

    else if (head->x == START_X + SCREEN_WIDTH + 1)

       head->x = START_X + 1;

    else if (head->y == START_Y)    

       head->y = START_Y + SCREEN_LENGTH;

    else if (head->y == START_Y + SCREEN_LENGTH + 1)    

       head->y = START_Y + 1; 

}

int Eated(SNAKE *head, FOOD *fd)            

{

if (head->x == fd->x && head->y == fd->y)

 return 1;

    return 0;

}

int GameOver(SNAKE *head)      

{

SNAKE *p;

for(p = head->next; p != NULL; p = p->next)

{

if (head->x == p->x && head->y == p->y)

  return 1;

}

return 0;

}

void gameing()  

{

int i = 0, eat = 0, rank, scorelimit = 0, score = 0;

int direct = up;  

time_t grade = 2;       

FOOD *fd;

SNAKE *head, *ptemp, *pnew;  

head = (SNAKE *)malloc(sizeof(SNAKE));

fd = (FOOD *)malloc(sizeof(FOOD));

GotoRood(START_X, START_Y - 1);

printf("Grade: %d", grade);

GotoRood(START_X + 10, START_Y - 1);

printf("Score: %-3d", score);

IniScreen(head);

CreatFood(fd, head);

while(rank = getch())      

{

if (rank == 72)

        {

 grade = ++grade % 10;

 if (grade == 0)

   grade = 1;

 GotoRood(START_X, START_Y - 1);

     printf("Grade: %d", grade);

        }

        else if (rank == 13)

break; 

}

while (1)   

{

RemoveSnk(head);             

ptemp = (SNAKE *)malloc(sizeof(SNAKE));  

Move(&direct);  

switch(direct)

{

case up: ptemp->x = head->x;

        ptemp->y = head->y - 1;

        break;

            case down: ptemp->x = head->x;

          ptemp->y = head->y + 1;

                       break;

case left: ptemp->x = head->x - 1;

          ptemp->y = head->y;

          break;

case right: ptemp->x = head->x + 1;

           ptemp->y = head->y; 

           break;

}

if (!eat)    

        {

          ptemp->end = head->end->pre;  

          head->end->pre->next = NULL;  

  free(head->end);              

  head->end = NULL;

        }

        else

     {

           ptemp->end = head -> end;

     }

head->pre = ptemp;          

ptemp->next = head;

ptemp->pre = NULL;

head = ptemp;

if (eat = Eated(head, fd))  

        {

 CreatFood(fd,head);

 score += grade;    

 scorelimit += grade;   

 if (scorelimit / 50 && grade <= 10)  

          {                                    

             GotoRood(START_X, START_Y - 1);

        printf("Grade: %d", ++grade);

        scorelimit = score % 50;

          }

 GotoRood(START_X + 10, START_Y - 1);

          printf("Score: %-3d", score);

        }

        if (GameOver(head))  

        {

        BuildSnk(head);  

        GotoRood(START_X + SCREEN_WIDTH / 2, START_Y + SCREEN_LENGTH / 2);

        puts("Game Over!\n");

        return;

        }

CollisionTest(head);  

BuildSnk(head);

Sleep((10 - grade) * 50);  

}

} 

int main()

{

gameing();

return 0;

}