贪吃蛇：C++,C\C++交流,技术交流,鱼C论坛

livcui 发表于 2020-8-21 16:33:19

贪吃蛇：C++

本帖最后由 livcui 于 2020-8-22 21:22 编辑

使用 EasyX 库制作的贪吃蛇，下面是源代码: (没hide权限，骗不了回复{:10_266:})

另外，EasyX 仅支持 VC ，这是下载地址 https://easyx.cn/downloads/

如果不想安装 EasyX，可下载打包好的 EXE 文件

源文件：
// Code.cpp
#include "Snake.h"
#include <cstdio>
#include <string>
#include <sstream>
#include <time.h>
#include <conio.h>

Snake::Snake(): hwnd(initgraph(480 + 153, 480))// 设置窗口大小 (730, 480)
                           , speed(50), level_ () {

   setbkcolor(WHITE);             // 窗口颜色为白 White

   // 初始化蛇
   snake.num = 3;                            // 初始化时为三节
   snake.snakeXY.x = 20;    // 间隔10像素
   snake.snakeXY.y = 0;
   snake.snakeXY.x = 10;
   snake.snakeXY.y = 0;
   snake.snakeXY.x = 0;
   snake.snakeXY.y = 0;
   snake.postion = right;             // 初始化方向为右

   // 初始化食物
   food.foodXY.x = rand() % 65 * 10;    // 随机生成坐标
   food.foodXY.y = rand() % 48 * 10;
   food.flag = 1;             // 食物存在
   // 检测食物和蛇坐标是否重复
   for (int i = 0; i < snake.num; i++) {
            // 如果坐标重复，重新生成
            if (food.foodXY.x == snake.snakeXY.x and food.foodXY.y == snake.snakeXY.y) {
                     food.foodXY.x = rand() % 65 * 10;
                     food.foodXY.y = rand() % 48 * 10;
            }
   }
}
Snake::~Snake() {}

// 按键处理
void Snake::keyDown() {

   char userKey;
   userKey = _getch();

   switch (userKey) {

            // 上下左右
   case right:
            if (snake.postion != down) snake.postion = up;
            break;
   case left:
            if (snake.postion != right) snake.postion = left;
            break;
   case down:
            if (snake.postion != left) snake.postion = right;
            break;
   case up:
            if (snake.postion != up) snake.postion = down;
            break;

            // 调整速度(数字键 1, 2, 3, 4, ... , 10)
   case 49:
            speed = 10;
            break;
   case 50:
            speed = 20;
            break;
   case 51:
            speed = 30;
            break;
   case 52:
            speed = 40;
            break;
   case 53:
            speed = 50;
            break;
   case 54:
            speed = 60;
            break;
   case 55:
            speed = 70;
            break;
   case 56:
            speed = 80;
            break;
   case 57:
            speed = 90;
            break;
   case 48:
            speed = 100;
            break;
   default:
            break;

   }

}
// 画蛇
void Snake::drawSnake() {

   for (int i = 0; i < snake.num; i++) {

            setlinecolor(BLACK);    //矩形边框颜色为黑Black
            setfillcolor(BLUE);             //矩形内部颜色为蓝blue
            fillrectangle(snake.snakeXY.x, snake.snakeXY.y, snake.snakeXY.x + 10, snake.snakeXY.y + 10);
   }
}
// 移动蛇
void Snake::moveSnake() {

   // 除蛇第一节以外的移动坐标处理
   for (int i = snake.num - 1; i > 0; i--) {

            snake.snakeXY.x = snake.snakeXY.x;
            snake.snakeXY.y = snake.snakeXY.y;
   }
   // 第一节坐标处理
   switch (snake.postion) {

   case right:
            snake.snakeXY.x += 10;
            break;
   case left:
            snake.snakeXY.x -= 10;
            break;
   case down:
            snake.snakeXY.y += 10;
            break;
   case up:
            snake.snakeXY.y -= 10;
            break;
   default:
            break;
   }
}
// 移动蛇 - 穿墙
void Snake::moveSnake_2() {

   // 除蛇第一节以外的移动坐标处理
   for (int i = snake.num - 1; i > 0; i--) {

            snake.snakeXY.x = snake.snakeXY.x;
            snake.snakeXY.y = snake.snakeXY.y;
   }
   // 第一节坐标处理, 穿墙
   switch (snake.postion) {

   case right:
            snake.snakeXY.x += 10;
            break;
   case left:
            snake.snakeXY.x -= 10;
            break;
   case down:
            snake.snakeXY.y += 10;
            break;
   case up:
            snake.snakeXY.y -= 10;
            break;
   default:
            break;
   }

   if (snake.snakeXY.x > 470) snake.snakeXY.x = 0;
   if (snake.snakeXY.x < 0) snake.snakeXY.x = 470;
   if (snake.snakeXY.y > 470) snake.snakeXY.y = 0;
   if (snake.snakeXY.y < 0) snake.snakeXY.y = 470;
}
// 初始化食物
void Snake::initFood() {

   srand(time(NULL));
   food.foodXY.x = rand() % 48 * 10;    // 随机生成坐标
   food.foodXY.y = rand() % 48 * 10;
   food.flag = 1;

   // 检测食物和蛇坐标是否重复
   for (int i = 0; i < snake.num; i++) {
            // 如果坐标重复，重新生成
            if (food.foodXY.x == snake.snakeXY.x and food.foodXY.y == snake.snakeXY.y) {
                     food.foodXY.x = rand() % 48 * 10;    // 随机生成坐标
                     food.foodXY.y = rand() % 48 * 10;
            }
   }
}
// 画食物
void Snake::drawFood() {

   fillrectangle(food.foodXY.x, food.foodXY.y, food.foodXY.x + 10, food.foodXY.y + 10);
   setlinecolor(BLACK);    //矩形边框颜色为黑Black
   setfillcolor(BLUE);             //矩形内部颜色为蓝blue

}
// 吃食物
void Snake::eatFood() {

   if (snake.snakeXY.x == food.foodXY.x and snake.snakeXY.y == food.foodXY.y) {

            // 蛇吃掉后长度 +1
            snake.num++;
            food.eatGrade += 1;
            food.flag = 0;

            // 蛇吃掉后重新画食物
            void drawFood();
   }
}
// 判断蛇撞墙而死
void Snake::snakeWallDie() {

   if (snake.snakeXY.x > 470 or
            snake.snakeXY.x < 0 or
            snake.snakeXY.y > 470 or
            snake.snakeXY.y < 0 ) {
            outtextxy(200, 200, "你撞墙了!");
            snake.flag = 1;             // 蛇死亡
   }
}
// 判断蛇自杀而死
void Snake::snakeBodyDie() {

   for (int i = 1; i < snake.num; i++) {

            if (snake.snakeXY.x == snake.snakeXY.x and snake.snakeXY.y == snake.snakeXY.y) {
                     outtextxy(200, 200, "你自杀了!");

                     snake.flag = 1;             // 蛇死亡
            }
   }
}
// 显示分数
void Snake::showGrade() {

   //char arr;
   //sprintf(arr, "%d", food.eatGrade);
   std::ostringstream ss;
   ss << food.eatGrade;
   std::string str = ss.str();
   setbkmode(BLUE);
   settextcolor(BLACK);
   outtextxy(500, 25, "分数");
   outtextxy(550, 25, str.c_str());
}

// 运行
void Snake::run() {

   setbkcolor(BLACK);             // 窗口颜色为黑 BLACK
   settextcolor(WHITE);    // 文字颜色
   outtextxy(50, 50, "选择模式");
   outtextxy(60, 80, "( 1 经典");
   outtextxy(60, 100, "( 2 围墙");

   switch (_getch()) {

   case '1':
            level_ = 0;
            break;
   case '2':
            level_ = 1;
            break;
   default:
            level_ = 0;
   }
   setbkcolor(WHITE);             // 窗口颜色为白 WHITE

loop:
   while (true) {

            while (_kbhit()) {

                     keyDown();             // 如果有键盘输入, 检测输入
            }
            cleardevice();    // 刷新
            switch (level_){    // 不同模式
            case 0:
                     snakeBodyDie();
                     moveSnake_2();                            // 移动蛇 - 穿墙
                     setlinecolor(BLACK);             // 画线颜色为黑 Black
                     setlinestyle(PS_DASH, 2);    // 设置线 (虚线, 宽 2)
                     line(480, 480, 480, 0);             // 画线
                     // 线条恢复默认
                     setlinestyle(PS_SOLID, 1);    // 设置线 (实线, 宽 1)
                     outtextxy(500, 60, "游戏模式 : ");
                     outtextxy(590, 60, "经典");
                     break;
            case 1:
                     snakeWallDie();
                     snakeBodyDie();
                     moveSnake();                            // 移动蛇 - 围墙
                     setlinecolor(BLACK);             // 画线颜色为黑 Black
                     setlinestyle(PS_SOLID, 5);    // 设置线 (实线, 宽 5)
                     line(480, 480, 480, 0);             // 画线
                     line(1, 1, 1, 480);
                     line(479, 479, 1, 479);
                     line(1, 1, 480, 1);
                     // 线条恢复默认
                     setlinestyle(PS_SOLID, 1);    // 设置线 (实线, 宽 1)
                     outtextxy(500, 60, "游戏模式 : ");
                     outtextxy(590, 60, "围墙");
                     break;
            default:
                     snakeBodyDie();
                     moveSnake_2();    // 移动蛇 - 穿墙
                     setlinecolor(BLACK);             // 画线颜色为黑 Black
                     setlinestyle(PS_DASH, 2);    // 设置线 (虚线, 宽 2)
                     line(480, 480, 480, 0);             // 画线
                     // 线条恢复默认
                     setlinestyle(PS_SOLID, 1);    // 设置线 (实线, 宽 1)
                     break;
            }
            drawSnake();    // 画蛇
            if (snake.flag == 1) {             // 如果蛇死了...

                     if (MessageBox(NULL, "再玩一局?", "GameOver", MB_YESNO) != IDYES) return;
                     else {
                           snake.flag = 0;
                           snake.num = 3;
                           snake.snakeXY.x = 20;
                           snake.snakeXY.y = 0;
                           snake.snakeXY.x = 10;
                           snake.snakeXY.y = 0;
                           snake.snakeXY.x = 0;
                           snake.snakeXY.y = 0;
                           snake.postion = right;
                           food.eatGrade = 0;
                           goto loop;

                     }
            }
            if (food.flag != 1) initFood();             // 初始化食物
            if (food.flag == 1) drawFood();             // 画食物
            eatFood();             // 吃食物
            showGrade();             // 显示分数

            outtextxy(530, 450, "作者: livcui");

            Sleep(speed);             // 间隔时间50ms
   }

   char ch = getchar();    // 退出
}
// Main.cpp
#include "Snake.h"
#include <Windows.h>
#include <graphics.h>
#include <conio.h>

int main() {

   Snake snake;
   snake.run();

   return 0;
}

头文件：
// Snake.h
#ifndef SNAKE_H_
#define SNAKE_H_
#include <graphics.h>
#include <conio.h>

class Snake {

private:

   HWND hwnd;
   int speed;
   int level_;

   // 坐标 XY
   struct pointXY {
            int x;
            int y;
   };
   // 蛇属性
   struct snakeProperty {
            int num;                            //蛇的节数
            pointXY snakeXY; //节数最多100节
            char postion;                      //方向
            int flag;                            //蛇是否死亡
   } snake;
   // 枚举方向
   enum movPostion {

            right = 72, left = 75, down = 77, up = 80    //对应上下左右键的键码值
            //right = 'd', left = 'a', down = 's', up = 'w'    //对应dasw键的键码值
   };

   //食物的属性
   struct foodProperty {

            pointXY foodXY;             // 食物坐标
            int eatGrade;             // 吃掉食物所得分数
            int flag;                // 食物是否存在

   }food;

   void keyDown();             // 按键处理
   void drawSnake();    // 画蛇
   void moveSnake();    // 移动蛇
   void moveSnake_2();    // 移动蛇 - 穿墙
   void drawFood();    // 画食物
   void eatFood();             // 吃食物
   void snakeDie();    // 判断蛇死亡
   void snakeWallDie();// 判断蛇撞墙死亡
   void snakeBodyDie();// 判断蛇自杀而死
   void showGrade();    // 显示分数
   void initFood();    // 初始化食物

public:
   Snake();
   ~Snake();
   void run();

};

#endif

livcui 发表于 2020-8-21 16:33:59

本帖最后由 livcui 于 2020-8-21 16:35 编辑

自占沙发

嘉岳呀 发表于 2020-8-21 16:40:07

嘉岳呀 发表于 2020-8-21 16:41:27

用exe试的呀

Hello. 发表于 2020-8-21 16:49:58

不错哦

zltzlt 发表于 2020-8-21 17:02:20

顶{:10_256:}

Kehui 发表于 2020-8-21 17:39:25

厉害了！

weiter 发表于 2020-8-21 17:48:25

谢谢大佬！

livcui 发表于 2020-8-21 17:58:41

本帖最后由 livcui 于 2020-8-21 22:30 编辑

嘉岳呀发表于 2020-8-21 16:40

。

bangbang-ande 发表于 2020-8-21 19:59:21

嘉岳呀发表于 2020-8-21 16:40

me too

子非鱼焉知鱼 发表于 2020-8-21 20:29:37

牛啊

aaron.yang 发表于 2020-8-21 20:35:37

厉害{:10_275:}

aaron.yang 发表于 2020-8-21 21:04:56

嘉岳呀发表于 2020-8-21 16:40

我也一样{:10_266:}

叙白发表于 2020-8-21 21:14:08

大佬{:7_146:}

紫癜聪 发表于 2020-8-21 21:25:36

66666

小白python！ 发表于 2020-8-21 23:06:36

强

蠢蠢熊 发表于 2020-8-22 18:29:58

厉害

蠢蠢熊 发表于 2020-8-22 18:30:30

玩玩

蠢蠢熊 发表于 2020-8-22 18:31:02

6666

xu007xu 发表于 2020-8-22 19:43:35

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贪吃蛇：C++