c语言写贪吃蛇讲解,c语言初学者试写贪吃蛇

翻出来之前用c语言写的贪吃蛇，语法都比较简单，希望可以交流一下并给一点建议。

源码：

#include

#include

#include

#include

#include

void Welcome(); //欢迎界面

void Finish(); //结束界面

void Over(); //通关界面

void Start(); //游戏界面

void Display(int x, int y); //打印蛇

void DisplayFood(int x, int y);//打印食物

int GameOver(); //失败判定

void Up(); //往上走

void Down(); //往下走

void Left(); //往左走

void Right(); //往右走

void Produce(); //产生食物

void Eat(); //吃球后变长

void HideCursor(); //隐藏光标

typedef struct Snakes

{

int x;

int y;

}snake;

char direction; //蛇的移动方向

snake s[362]; //蛇

int foodx, foody; //食物的坐标

int len; //蛇的长度

int difficult; //定义难度

int main() {

system("color F1");

HideCursor();

Welcome();

return 0;

}

void Display(int x, int y)

{

COORD t;

HANDLE hOutput;

t.X = x;

t.Y = y;

hOutput = GetStdHandle(STD_OUTPUT_HANDLE);

SetConsoleCursorPosition(hOutput, t);

printf("■");

}

void DisplayFood(int x, int y)

{

COORD t;

HANDLE hOutput;

t.X = x;

t.Y = y;

hOutput = GetStdHandle(STD_OUTPUT_HANDLE);

SetConsoleCursorPosition(hOutput, t);

printf("○");

}

void Welcome()

{

system("mode con cols=53 lines=20");

difficult = 1000;

for (int i = 5; i > 0; i--) {

system("cls");

printf("*****************************************************\n\n\n\n\n\n\n\n");

printf("* 游戏将于%ds后开始 *\n", i);

printf("* 可以按数字1—3获得你想要的难度 *\n");

printf("* 使用wasd控制 *\n\n\n\n\n\n\n\n");

printf("*****************************************************\n");

Sleep(1000);

while (_kbhit()) {

int ch = _getch();

if (ch == 49)

difficult = 1000;

else if (ch == 50)

difficult = 750;

else if (ch == 51)

difficult = 500;

else

{

system("cls");

printf("输入有误，重新开始");

Sleep(2000);

Welcome();

}

}

}

Start();

}

void Start()

{

system("mode con cols=44 lines=23");

//初始化蛇

s[0].x = 5;

s[0].y = 3;

direction = 'd';

len = 1;

Produce();

while (GameOver() && len < 361)

{

system("cls");

printf("您的成绩为%d", len);

//生成边框

for (int i = 1; i <= 39; i += 2)

Display(i, 1);

for (int i = 1; i <= 39; i += 2)

Display(i, 21);

for (int i = 1; i <= 21; i++)

Display(1, i);

for (int i = 1; i <= 21; i++)

Display(39, i);

Eat();

//生成蛇

for (int i = 0; i < len; i++) {

Display(s[i].x, s[i].y);

}

//重新生成食物

DisplayFood(foodx, foody);

Sleep(difficult);

//捕获键盘输入

while (_kbhit())

{

intch;

ch = _getch();

if (ch == 119 && direction != 's')

direction = 'w';

if (ch == 97 && direction != 'd')

direction = 'a';

if (ch == 115 && direction != 'w')

direction = 's';

if (ch == 100 && direction != 'a')

direction = 'd';

}

if (direction == 'w')

Up();

if (direction == 'a')

Left();

if (direction == 's')

Down();

if (direction == 'd')

Right();

}

if (len < 361)

Finish();

else

Over();

}

void Up()

{

s[361] = s[len - 1];

for (int i = len; i >1; i--) {

s[i - 1] = s[i - 2];

}

s[0].y = s[0].y - 1;

}

void Down()

{

s[361] = s[len - 1];

for (int i = len; i > 1; i--) {

s[i - 1] = s[i - 2];

}

s[0].y = s[0].y + 1;

}

void Left()

{

s[361] = s[len - 1];

for (int i = len; i > 1; i--) {

s[i - 1] = s[i - 2];

}

s[0].x = s[0].x - 2;

}

void Right()

{

s[361] = s[len - 1];

for (int i = len; i > 1; i--) {

s[i - 1] = s[i - 2];

}

s[0].x = s[0].x + 2;

}

int GameOver()

{

if (len < 5) {

if (s[0].x == 1 || s[0].x == 39 || s[0].y == 1 || s[0].y == 21)

return 0;

else

return 1;

}

else {

for (int i = 4; i <= len; i++) {

if ((s[0].x == s[i].x) && (s[0].y == s[i].y) || s[0].x == 1 || s[0].x == 39 || s[0].y == 1 || s[0].y == 21)

return 0;

else

return 1;

}

}

}

void Produce()

{

srand(time(0));

foodx = (rand() % 18) * 2 + 3;

foody = rand() % 19 + 2;

}

void Eat()

{

if (s[0].x == foodx && s[0].y == foody)

{

len++;

Produce();

s[len - 1] = s[361];

}

}

void Finish()

{

system("mode con cols=53 lines=21");

for (int i = 5; i >= 1; i--) {

system("cls");

printf("*****************************************************\n\n\n\n\n\n\n\n");

printf("* 游戏结束 *\n");

printf("* 您的成绩为%d *\n", len);

printf("* 游戏将于%ds后退出 *\n", i);

printf("* 或者按F键重新开始 *\n\n\n\n\n\n\n\n");

printf("*****************************************************\n");

Sleep(1000);

while (_kbhit()) {

int ch = _getch();

if (ch == 102)

Welcome();

}

}

}

void Over()

{

system("cls");

printf("*****************************************************\n\n\n\n\n\n\n\n");

printf("* 恭喜您 *\n");

printf("* 您已达到最大长度 *\n\n\n\n\n\n\n\n");

printf("*****************************************************\n");

Sleep(5000);

system("cls");

printf("*****************************************************\n\n\n\n\n\n\n\n");

printf("* 按任意键退出 *\n\n\n\n\n\n\n\n");

printf("*****************************************************\n");

system("exit");

}

void HideCursor()

{

CONSOLE_CURSOR_INFO cursor;

cursor.bVisible = FALSE;

cursor.dwSize = sizeof(cursor);

HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);

SetConsoleCursorInfo(handle, &cursor);

}

程序截图：

有一点忘了，就是生成食物的时候没有比较食物是否在蛇身上，如果在就重新生成食物，加上这一点就可以了。