一、贪吃蛇小游戏简介：

        用上下左右控制蛇的方向，寻找吃的东西，每吃一口就能得到一定的积分，而且蛇的身子会越吃越长，身子越长玩的难度就越大，不能碰墙，也不能咬到自己的身体，等到了一定的分数，就能过关。

 

二、函数框架

三、数据结构

typedef struct Snake
{size_t x;  //行size_t y;  //列struct Snake* next;
}Snake, *pSnake;

定义蛇的结构体，利用单链表来表示蛇，每个结点为蛇身体的一部分。

 

四、代码实现（vs2010  c语言）

1.Snake.h

#ifndef __SNAKE_H__
#define __SNAKE_H__#include <stdio.h>
#include <stdlib.h>
#include <Windows.h>
#include <time.h>
#include <malloc.h>
#include <assert.h>
//标识地图大小
#define ROW_MAP 10    //地图的行
#define COL_MAP 20    //地图的列
#define SUCCESS_SCORE 10//通关分数
enum Direction //蛇行走的方向
{R, //右L, //左U, //上D  //下
}Direction;enum State
{ERROR_SELF, //咬到自己ERROR_WALL, //撞到墙NORMAL,     //正常状态SUCCESS     //通关
}State;typedef struct Snake
{size_t x;  //行size_t y;  //列struct Snake* next;
}Snake, *pSnake;void StartGame();
void RunGame();
void EndGame();#endif

2.Snake.c

#include "Snake.h"pSnake head = NULL; //定义蛇头指针
pSnake Food = NULL; //定义食物指针int sleeptime = 500;//间隔时间，用来控制速度
int Score = 0;  //总分
int everyScore = 1; //每步得分//定义游戏中用到的符号
const char food = '#';
const char snake = '*';void Pos(int x, int y)   //控制输出光标
{COORD pos;  //pos为结构体pos.X = x;  //控制列pos.Y = y;  //控制行SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);//读取标准输出句柄来控制光标为pos
}void Face()
{system("color 0C");printf("*******************************************************\n");printf("*                Welcome to Snake Game!               *\n");printf("*                                                     *\n");printf("*             ->开始游戏请按 enter键                  *\n");printf("*             ->退出游戏请按 esc键                    *\n");printf("*             ->暂停游戏请按 space键                  *\n");printf("*             ->通过上下左右键来控制蛇的移动          *\n");printf("*             ->通过F1键减速        F2键加速          *\n");printf("*******************************************************\n");
}
void Map()   //初始化地图
{int i = 0;for(i = 0; i<COL_MAP; i+=2)   //打印上下边框（每个■占用两列）{Pos(i, 0);printf("■");Pos(i, ROW_MAP-1);printf("■");}for(i = 0; i<ROW_MAP; i++)   //打印左右边框{Pos(0, i);printf("■");Pos(COL_MAP-2, i);printf("■");}
}
void PrintSnake()  //打印蛇
{pSnake cur = head;while(cur){Pos(cur->y, cur->x);printf("%c", snake);cur = cur->next;}
}
void InitSnake()    //初始化蛇身
{int initNum = 3;int i = 0;pSnake cur;head = (pSnake)malloc(sizeof(Snake));head->x = 5;head->y = 10;head->next = NULL;cur = head;for(i = 1; i < initNum; i++){pSnake newNode = (pSnake)malloc(sizeof(Snake));newNode->x = 5+i;newNode->y = 10;newNode->next = NULL;cur->next = newNode;cur = cur->next;}PrintSnake();
}void CreateFood()  //在地图上随机产生一个食物
{pSnake cur = head;Food = (pSnake)malloc(sizeof(Snake));//产生x~y的随机数 k=rand()%(Y-X+1)+X;srand((unsigned)time(NULL));Food->x = rand()%(ROW_MAP-2 - 1 + 1)+1;Food->y = rand()%(COL_MAP-3 - 2 + 1)+2;Food->next = NULL;while(cur)   //检查食物是否与蛇身重合{if(cur->x == Food->x && cur->y == Food->y){free(Food);Food = NULL;CreateFood();return;}cur = cur->next;}Pos(Food->y, Food->x);printf("%c", food);
}void StartGame()  //游戏开始的所有设置
{Face();system("pause");if(GetAsyncKeyState(VK_RETURN)){system("cls");Pos(COL_MAP+5, 1);printf("当前分数/通关分数:");Pos(COL_MAP+20, 1);printf("%d/%d", Score, SUCCESS_SCORE);Pos(COL_MAP+5, 2);printf("当前分每步得分:");Pos(COL_MAP+20, 2);printf("%d", everyScore);Pos(COL_MAP+5, 3);printf("\n");Pos(COL_MAP+5, 4);printf("速度越快 得分越高哦！！\n");Map();InitSnake();CreateFood();}else if(GetAsyncKeyState(VK_ESCAPE)){exit(0);}
}int IsCrossWall()             //判断是否碰到墙
{if(head->x <= 0 || head->x >= ROW_MAP-1||head->y <= 1 || head->y >= COL_MAP-2){State = ERROR_WALL;return 0;}return 1;
}int IsEatSelf(pSnake newHead)  //判断是否咬到自己
{pSnake cur = head;assert(newHead);while(cur){if(cur->x == newHead->x && cur->y == newHead->y){State = ERROR_SELF;return 0;}cur = cur->next;}return 1;
}int IsFood(pSnake pos)  //判断该位置是不是食物
{assert(pos);if(pos->x == Food->x && pos->y == Food->y){return 1;}return 0;
}void SnakeMove()   //蛇移动一次
{pSnake newHead = NULL;newHead = (pSnake)malloc(sizeof(Snake));if(Direction == R){newHead->x = head->x;newHead->y = head->y+1;newHead->next = head;}else if(Direction == L){newHead->x = head->x;newHead->y = head->y-1;newHead->next = head;}else if(Direction == U){newHead->x = head->x-1;newHead->y = head->y;newHead->next = head;}else if(Direction == D){newHead->x = head->x+1;newHead->y = head->y;newHead->next = head;}if(IsFood(newHead)){head = newHead;PrintSnake();CreateFood();Score += everyScore;Pos(COL_MAP+20, 1);printf("%d/%d", Score, SUCCESS_SCORE);if(Score >= SUCCESS_SCORE){State = SUCCESS;}}else {if(IsCrossWall() && IsEatSelf(newHead)){pSnake cur = NULL;head = newHead;cur = head;//删除蛇尾并打印while(cur->next->next != NULL){Pos(cur->y, cur->x);printf("%c", snake);cur = cur->next;}Pos(cur->y, cur->x);printf("%c", snake);Pos(cur->next->y, cur->next->x);printf(" ");  //打印空格来覆盖频幕上的蛇尾free(cur->next);cur->next = NULL;}else{free(newHead);newHead = NULL;}}
}void Pause()
{while(1){Sleep(sleeptime);if(GetAsyncKeyState(VK_SPACE)){break;}}
}void ControlSnake() //用键盘控制游戏
{if(GetAsyncKeyState(VK_UP) && Direction!=D){Direction = U;}else if(GetAsyncKeyState(VK_DOWN) && Direction!=U){Direction = D;}else if(GetAsyncKeyState(VK_LEFT) && Direction!=R){Direction = L;}else if(GetAsyncKeyState(VK_RIGHT) && Direction!=L){Direction = R;}else if(GetAsyncKeyState(VK_F1)){if(sleeptime != 500){sleeptime = 500;everyScore = 1;Pos(COL_MAP+20, 2);printf("%d", everyScore);}}else if(GetAsyncKeyState(VK_F2)){if(sleeptime != 300){sleeptime = 300;everyScore = 2;Pos(COL_MAP+20, 2);printf("%d", everyScore);}}else if(GetAsyncKeyState(VK_SPACE)){Pause();}else if(GetAsyncKeyState(VK_ESCAPE)){exit(0);}
}void StateGame() //判断游戏失败或成功
{if(State == ERROR_SELF){system("cls");printf("很遗憾，蛇咬到自己，游戏失败！\n");}else if(State == ERROR_WALL){system("cls");printf("很遗憾，蛇碰到墙壁，游戏失败！\n");}else if(State == SUCCESS){system("cls");printf("恭喜您，已通关！！！\n");}}
void RunGame()
{Direction = R; //蛇初始行走方向为右State = NORMAL;//游戏初始为正常状态while(1){ControlSnake();SnakeMove();if(State != NORMAL){StateGame();break;}Sleep(sleeptime);}
}void EndGame()  //释放链表并恢复默认值
{pSnake cur = head;while(cur){pSnake del = cur;cur = cur->next;free(del);del = NULL;}head = NULL;if(Food != NULL){free(Food);Food = NULL;}Score = 0;everyScore = 1;sleeptime = 500;
}

3.Test.c

#include "Snake.h"int main()
{while(1){StartGame();RunGame();EndGame();}system("pause");return 0;
}

 

五、运行界面展示

1.欢迎界面

2.游戏界面

小小的c语言项目，用来练手，仅供参考哦！！

谢谢阅读，如有问题，欢迎提出，拜拜喽！！