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這篇文章主要為大家詳細介紹了C語言實現——《進化版貪吃蛇項目》，也就是在我們上一個發布的文章項目分享的基礎上，實現貪吃蛇的自動行動，你可以按鍵也可以不按鍵，讓蛇自己找食物！還是挺好玩的，一起來看看吧！

文中示例代碼介紹的非常詳細，具有一定的參考價值,感興趣的小伙伴們可以參考一下！

項目實現要求：

1.學過C語言

2.熟悉C語言數組

3.熟悉結構體

4.按鍵交互程序：1.按鍵交互 2.鼠標交互

5.創建圖形窗口

6.基本繪圖

但是這些在我們項目源碼里面都會有注釋，大家到時候學習的時候千萬不要忽略注釋，注釋可以更好地幫你理解代碼，尤其是C語言初學者。

本項目編譯環境：VS2019/VS2013；

插件：圖形庫插件easyX；

本案例配套學習教程：進化版貪吃蛇——嗶哩嗶哩

源代碼示例：

#define _CRT_SECURE_NO_WARNINGS#include #include #include #include     //報錯：安裝圖形庫插件#include #define MAX 100        //蛇最大節數/*  1.學過C語言  2.熟悉C語言數組  3.熟悉結構體  4.按鍵交互  程序：1.按鍵交互   2.鼠標交互  5.創建圖形窗口  6.基本繪圖*///1.把程序所要用的數據抽象出來typedef struct pointXY{  int x;  int y;}MYPOINT;HWND hwnd = NULL;
//蛇struct mySnake{  int num;  MYPOINT xy[MAX];  char postion;    //表示方向，標記}snake;
//食物struct myFood{  MYPOINT foodxy;  int flag;  int eatGrade;}food;
//把方向枚舉出來enum movPostion{right=1,left=2,down=3,up=4};//整個項目劃分//1.初始化蛇void initSnake(){  snake.xy[2].x = 0;  snake.xy[2].y = 0;
  snake.xy[1].x = 10;  snake.xy[1].y = 0;
  snake.xy[0].x = 20;  snake.xy[0].y = 0;
  snake.num = 3;  snake.postion = right;
  food.flag = 0;}//2.繪制蛇void drawSnake(){  for (int i = 0; i < snake.num; i++)  {    setlinecolor(RED);    setfillcolor(GREEN);    fillrectangle(snake.xy[i].x, snake.xy[i].y, snake.xy[i].x + 10, snake.xy[i].y + 10);  }}
//3.移動蛇void moveSnake(){  //除了第一節之外，后面的坐標都是前一節坐標  for (int i = snake.num - 1; i > 0; i--)  {    snake.xy[i].x = snake.xy[i - 1].x;    snake.xy[i].y = snake.xy[i - 1].y;  }  //蛇頭怎么走，要根據方向標志去做移動  switch (snake.postion)  {  case right:    snake.xy[0].x += 10;    break;  case left:    snake.xy[0].x -= 10;    break;  case down:    snake.xy[0].y += 10;    break;  case up:    snake.xy[0].y -= 10;    break;  }

}//4.按鍵用戶：人玩蛇void keyDown(){  static char userkey = '';    //VC  getch不需要加下劃線  //userkey=_getch();    //不可見輸入  //自己生成按鍵  switch (snake.postion)  {  case right:  case left:    if (food.foodxy.y >= snake.xy[0].y)    {      userkey = 80;    }    else  if (food.foodxy.y0].y)    {      userkey = 72;    }    break;  case up:  case down:    if (food.foodxy.x >= snake.xy[0].x)    {      userkey = 77;    }    else  if (food.foodxy.x < snake.xy[0].x)    {      userkey = 75;    }    break;  }  switch (userkey)  {  case 'w':  case 'W':  case 72:  //上    if (snake.postion != down)    {      //蛇往上走，你要排除掉蛇本來是朝下      snake.postion = up;    }    break;  case 's':  case 'S':  case 80:  //下    if (snake.postion != up)    {      snake.postion = down;    }    break;  case 'a':  case 'A':  case 75:  //左    if (snake.postion != right)    {      snake.postion = left;    }    break;  case 'd':  case 'D':  case 77:  //右    if (snake.postion != left)    {      snake.postion = right;    }  }}//初始化食物void  initFood(){  //0,63    630   640    //0,47    470   480  food.foodxy.x = rand() % 64 * 10;  //只能是10的整數倍，蛇頭才能對齊食物  food.foodxy.y = rand() % 48 * 10;  food.flag = 1;  //食物不能出現在蛇身上  for (int i = 0; i < snake.num; i++)  {    if (food.foodxy.x == snake.xy[i].x&&food.foodxy.y == snake.xy[i].y)    {      food.foodxy.x = rand() % 64 * 10;  //只能是10的整數倍，蛇頭才能對齊食物      food.foodxy.y = rand() % 48 * 10;    }  }}//繪制食物void drawFood(){  fillrectangle(food.foodxy.x, food.foodxy.y, food.foodxy.x + 10, food.foodxy.y + 10);}//蛇吃食物void eatFood(){  if (snake.xy[0].x == food.foodxy.x && snake.xy[0].y == food.foodxy.y)  {    snake.num++;    food.eatGrade += 10;    food.flag = 0;  }}//蛇死亡判斷int snakeDie(){  //顯示分數  char grade[100] = { 0 };  sprintf(grade, "%d", food.eatGrade);  setbkmode(TRANSPARENT);  settextcolor(RED);  outtextxy(580, 20, "分數:");    //loadimage     outtextxy(620, 20, grade);    //  //判斷蛇是否死亡
  //撞墻  if (snake.xy[0].x > 640 || snake.xy[0].x<0 || snake.xy[0].y>480 || snake.xy[0].y < 0)  {    MessageBox(hwnd, "游戲結束!", "撞墻死亡!", 0);    return 1;  }  //撞自己  for (int i = 1; i < snake.num; i++)  {    if (snake.xy[0].x == snake.xy[i].x&&snake.xy[0].y == snake.xy[i].y)    {      MessageBox(hwnd, "游戲結束!", "撞自己!", 0);      return 1;    }  }  return 0;}int main(){  srand((unsigned int)time(NULL));  hwnd=initgraph(640, 480);  setbkcolor(WHITE);  cleardevice();  initSnake();  while (1)  {    cleardevice();    //刷掉路徑    if (food.flag == 0)    {      initFood();    }    drawFood();    drawSnake();    if (snakeDie())    {      break;    }    eatFood();    moveSnake();    Sleep(100);      //控制速度    //while (_kbhit())  //kbhit() 存在按鍵操作，返回非零    //{    //  keyDown();    //}    keyDown();  }  closegraph();  printf("GameOver!!!");  system("pause");  return 0;}