C语言实现贪吃蛇游戏演示

本文为大家分享了C语言实现贪吃蛇游戏的具体代码，供大家参考，具体内容如下

IDE用的是 VS2019

先看效果

代码全览

game.h

#pragma once
#define  _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <time.h>

#define PLATFORM 1 //运行的系统 1为win 0为linux

#define MAPWIDTH 15 //地图宽度,包括墙
#define MAPHEIGHT 15  //地图高度,包括墙
#define SNAKELENGTH (MAPHEIGHT - 2) * (MAPWIDTH - 2)

//结构体声明
struct Body
{
int isExist;
int x;
int y;
};


struct Food {
int x;
int y;
};


void game();

void initWall(char wall[MAPHEIGHT][MAPWIDTH], int mapWidth, int mapHeight);
void displayMap(int mapWidth, int mapHeight, struct Body snake[], int snakelength, struct Food food);
void clearScreen();
void inputProcess(char* pinput);
void initSnake(struct Body snake[SNAKELENGTH], int length);
void generateFood(struct Food* food, struct Body snake[]);
int isWall(int x, int y);
int isSnake(int x, int y, struct Body snake[], int lengh);
void control(char input, struct Body snake[]);
void generateFood(struct Food* food, struct Body snake[]);
int isFood(int x, int y, struct Food* food);
int isEat(struct Body snake[], struct Food* pfood);
void bodyMove(struct Body snake[], int* bodyLength);
int isInBody(struct Body snake[], int lengh);

GameStart.c

#include "game.h"

void displayMenu() {

printf("########################\n");
printf("###### 贪吃蛇游戏 #######\n");
printf("########################\n");
printf("------------------------\n");
printf("       1.开始游戏        \n");
printf("       0.退出游戏        \n");
printf("------------------------\n");
printf("请输入选项:>");

char ch;
scanf("%c", &ch);
getchar();
switch (ch)
{
case '1': {
game();
break;
}
case '0': {
exit(0);
break;
}
default:
printf("输入错误,请重新输入:>");
break;
}


}

int main(void) {
while (1) {
clearScreen();
displayMenu();

clearScreen();

}

return 0;
}

game.c

#define  _CRT_SECURE_NO_WARNINGS 1
#include "game.h"

//游戏逻辑
void game() {

//分数
int score = 0;

//游戏状态 0为胜利 1为咬到蛇身 2为撞到墙上 
int gameState = 0;

//输入状态
char input = 0;
//墙
char wall[MAPHEIGHT][MAPWIDTH];
//创建蛇结构体数组
struct Body snake[SNAKELENGTH];

//创建食物结构体
struct Food food = { 5,5 };


//初始化蛇
initSnake(snake, SNAKELENGTH);

//初始化墙
initWall(wall, MAPWIDTH, MAPHEIGHT);

//生成食物
generateFood(&food, snake);


while (1)
{

//清屏
clearScreen();


control(input, snake);
//显示地图
displayMap(MAPWIDTH, MAPHEIGHT, snake, SNAKELENGTH, food);
printf("得分:%d\n", score);
//printf("food:%d %d\n", food.x, food.y);
//printf("snake:%d %d", snake[0].x, snake[0].y);
//处理输入
inputProcess(&input);


//撞到蛇身,游戏失败
if (isInBody(snake, SNAKELENGTH)) {
 gameState = 1;
 break;
}
//撞到墙上,游戏失败
if (isWall(snake[0].x, snake[0].y)) {
 gameState = 2;
 break;
}

//吃到食物加分,蛇身加一
if (isEat(snake, &food)) {
 score++;
 snake[score].isExist = 1;
 snake[score].x = snake[score - 1].x;
 snake[score].y = snake[score - 1].y;

 if (score == SNAKELENGTH - 1) {
  //游戏胜利
  gameState = 0;
  break;
 }

 generateFood(&food, snake);
}

//蛇身移动
bodyMove(snake, &score);

}

//胜负显示
switch (gameState)
{

case 1: {
printf("咬到蛇身,游戏结束!\n");

break;
}
case 2: {
printf("撞到墙上,游戏结束!\n");
break;
}
case 0: {
printf("游戏胜利!\n");
break;
}
default:

break;
}
printf("按回车键退出");
getchar();

}


//清除屏幕
void clearScreen() {
if (PLATFORM) {
system("cls");
}
else {
system("clear");
}


printf("\033c");
}

//输入处理
void inputProcess(char* pinput) {
int t = (int)time(NULL);
while (1) {
if (_kbhit()) {
 switch (getch())
 {
 case 'w': {
  if (*pinput != 's') {
   *pinput = 'w';
  }

  break;
 }
 case 's':
 {
  if (*pinput != 'w') {
   *pinput = 's';

  }

  break;
 }
 case 'a': {
  if (*pinput != 'd') {
   *pinput = 'a';
  }

  break;
 }
 case 'd': {
  if (*pinput != 'a') {
   *pinput = 'd';
  }
  break;
 }
   /* case ' ': {
     *pinput = ' ';
     break;
    }*/
 default:
  break;
 }
}

if ((int)time(NULL) - t == 1) {
 //printf("%c\n", *pinput);
 //一秒一帧

 break;
}
/*if (*pinput == ' ') {
 continue;
}*/

}

}

//初始化墙
//'#'墙
//' '空
void initWall(char wall[MAPHEIGHT][MAPWIDTH], int mapWidth, int mapHeight) {


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

for (int j = 0; j < mapWidth; j++) {
 if (i == 0 || i == mapHeight - 1) {
  wall[i][j] = '#';
 }
 else if (j == 0 || j == MAPWIDTH - 1) {
  wall[i][j] = '#';
 }
 else {
  wall[i][j] = ' ';
 }

}
}
}


//初始化蛇状态,位置
void initSnake(struct Body snake[SNAKELENGTH], int length) {

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

if (i == 0)
{

 snake[i].x = MAPWIDTH / 2;
 snake[i].y = MAPHEIGHT / 2;//蛇出生位置,即蛇头初始位置
 snake[i].isExist = 1;

}
else {
 snake[i].isExist = 0;
 snake[i].x = 0;
 snake[i].y = 0;
}


}


}

//生成食物
void generateFood(struct Food* food, struct Body snake[]) {
int x;
int y;
srand((unsigned int)time(NULL));
do {

x = (rand() % MAPHEIGHT) + 1;
y = (rand() % MAPWIDTH) + 1;
} while (isSnake(x, y, snake, SNAKELENGTH) || isWall(x, y));

(*food).y = y;
(*food).x = x;
}

//判断是否是墙
int isWall(int x, int y) {
if (y <= 1 || y >= MAPHEIGHT || x <= 1 || x >= MAPWIDTH) {
return 1;
}
return 0;
}


//判断是否是蛇
int isSnake(int x, int y, struct Body snake[], int lengh) {
for (int i = 0; i < lengh; i++) {
if (snake[i].isExist == 1 && snake[i].x == x && snake[i].y == y) {
 return 1;
}

}
return 0;
}

//判断是否撞到蛇身
int isInBody(struct Body snake[], int lengh) {
for (int i = 1; i < lengh; i++) {
if (snake[i].isExist == 1 && snake[i].x == snake[0].x && snake[i].y == snake[0].y) {
 return 1;
}
}
return 0;
}

//判断是否是食物
int isFood(int x, int y, struct Food* food) {
if ((*food).x == x && (*food).y == y) {
return 1;
}
return 0;
}

//显示游戏地图
void displayMap(int mapWidth, int mapHeight, struct Body snake[], int snakelength, struct Food food) {
int x;
int y;


for (int i = 0; i < mapHeight; i++) {
y = i + 1;
for (int j = 0; j < mapWidth; j++) {
 x = j + 1;
 if (isWall(x, y)) {
  printf("# ");
 }
 else if (isSnake(x, y, snake, snakelength)) {
  if (snake[0].x == x && snake[0].y == y) {
   printf("@ ");//蛇头
  }
  else {
   printf("* ");//蛇身
  }

 }
 else if (isFood(x, y, &food)) {
  printf("+ ");
 }
 else {
  printf("  ");
 }


}
printf("\n");
}


}

//方向控制
void control(char input, struct Body snake[]) {
switch (input) {
case 'w': {
snake[0].y -= 1;
break;
}
case 'a': {
snake[0].x -= 1;
break;
}
case 's': {
snake[0].y += 1;
break;
}
case 'd': {
snake[0].x += 1;
break;
}
}
}

//判断是否吃到食物
int isEat(struct Body snake[], struct Food* pfood) {
if (isFood(snake[0].x, snake[0].y, pfood)) {
return 1;
}
return 0;
}

//移动蛇身
void bodyMove(struct Body snake[], int* bodyLength) {
if (*bodyLength) {

for (int i = *bodyLength; i >= 1; i--) {

 snake[i].x = snake[i - 1].x;
 snake[i].y = snake[i - 1].y;
}
}


}

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