还在玩《钢琴大师》吗？自己在家动手做一个出来！（基于C+EasyX 实现）

一个低配版本的钢琴大师，没有其它花里胡哨的操作，也没有游戏结束的判断，无聊的玩玩吧，一个人玩还是挺有意思的，哈哈 ~

游戏中只有一个背景素材、一首音乐，其它的元素都是通过 EasyX图形库中的 api 画出来的，希望能够帮助爱学习的你！

游戏效果如下所示：

钢琴大师

---

代码如下所示：

#include <iostream>
#include <graphics.h>
#include <mmsystem.h>
#include <ctime>
#include <cstdlib>
#include <conio.h>
#pragma comment (lib,"winmm")

class Piano
{
private:
	int speed;
	const static int NUM = 6;
	const int WIDTH;
	const int HEIGHT;

	struct Coord
	{
		int x;
		int y;
	};
	Coord arr[NUM];

	char ch;		//接收按下的字符

public:
	Piano(int n);
	void InitGame();	// 初始化
	void DiamondsDown();	//方块下落
	void Play();		//玩游戏
	void DrawLine()  //画线
	{
		line(0, HEIGHT - 99, WIDTH, HEIGHT - 99);
		line(0, HEIGHT - 100, WIDTH, HEIGHT - 100);
		line(0, HEIGHT - 101, WIDTH, HEIGHT - 101);
	}
};


int main()
{
	srand((unsigned)time(nullptr));

	Piano piano(0);
	piano.InitGame();

	DWORD t1 = GetTickCount(), tt1;
	while (1)
	{
		BeginBatchDraw();
		tt1 = GetTickCount();

		if (tt1 - t1 > 10)
		{
			piano.DiamondsDown();
			t1 = tt1;
		}

		piano.DrawLine();

		if (kbhit())
			piano.Play();

		EndBatchDraw();
	}

	return 0;
}



Piano::Piano(int n) :speed(n), WIDTH(640), HEIGHT(480)
{
	for (int i = 0; i < NUM; i++)
	{
		arr[i].x = i * 106 + 5;
		arr[i].y = rand() % HEIGHT;
	}
}

void Piano::InitGame()
{
	initgraph(WIDTH, HEIGHT);

	mciSendString("open bj.mp3", 0, 0, 0);
	mciSendString("play bj.mp3 repeat", 0, 0, 0);

	loadimage(nullptr, "bj.jpg", WIDTH, HEIGHT);


	std::cin.get();
	setbkcolor(RGB(192, 192, 192));
	cleardevice();

	settextcolor(RED);
	settextstyle(50, 30, "楷体");
	outtextxy(80, 50, "钢 琴 大 师");
	outtextxy(450, 120, "浪");
	outtextxy(450, 200, "子");
	outtextxy(450, 280, "花");
	outtextxy(450, 360, "梦");
	settextstyle(30, 18, "楷体");
	outtextxy(50, 500, "人生百味");
	outtextxy(200, 550, "愿岁月无恙");
	outtextxy(80, 150, "游戏模式：");
	outtextxy(200, 220, "简单");
	outtextxy(200, 300, "一般");
	outtextxy(200, 380, "困难");

	MOUSEMSG msg;
	while (1)
	{
		msg = GetMouseMsg();
		settextcolor(RGB(0, 255, 255));

		if (msg.x - 200 < 73 && msg.x - 200 > 0 && msg.y - 215 < 38 && msg.y - 215 > 0)
		{
			outtextxy(200, 220, "简单");
			if (msg.mkLButton)
			{
				speed = 1;
				break;
			}
		}
		else if (msg.x - 200 < 73 && msg.x - 200 > 0 && msg.y - 298 < 35 && msg.y - 298 > 0)
		{
			outtextxy(200, 300, "一般");
			if (msg.mkLButton)
			{
				speed = 3;
				break;
			}
		}
		else if (msg.x - 200 < 73 && msg.x - 200 > 0 && msg.y - 380 < 30 && msg.y - 380 > 0)
		{
			outtextxy(200, 380, "困难");
			if (msg.mkLButton)
			{
				speed = 5;
				break;
			}
		}
		else
		{
			settextcolor(RED);
			outtextxy(200, 220, "简单");
			outtextxy(200, 300, "一般");
			outtextxy(200, 380, "困难");

		}
	}

	cleardevice();

	setfillcolor(BLACK);

	setlinecolor(RED);
	for (int i = 0; i < NUM; i++)
		line(i * 106, 0, i * 106, HEIGHT);
}

void Piano::DiamondsDown()
{
	for (int i = 0; i < NUM; i++)
		clearrectangle(arr[i].x, arr[i].y, arr[i].x + 95, arr[i].y + 30);

	for (int i = 0; i < NUM; i++)
	{
		arr[i].y += speed;
		solidrectangle(arr[i].x, arr[i].y, arr[i].x + 95, arr[i].y + 30);
		if (arr[i].y > HEIGHT)
		{
			int x = rand() % 6;
			arr[i] = { x * 106 + 5,-50 };
		}
	}

}

void Piano::Play()
{
	ch = getch();

	switch (ch)
	{

	case 'A':
		for (int i = 0; i < NUM; i++)
			if (arr[i].y > (HEIGHT - 100) && arr[i].x == (0 * 106 + 5))
			{
				clearrectangle(arr[i].x, arr[i].y, arr[i].x + 95, arr[i].y + 30);
				int x = rand() % 6;
				arr[i] = { x * 106 + 5,-50 };
				break;
			}
		break;
	case 'S':
		for (int i = 0; i < NUM; i++)
			if (arr[i].y > (HEIGHT - 100) && arr[i].x == (1 * 106 + 5))
			{
				clearrectangle(arr[i].x, arr[i].y, arr[i].x + 95, arr[i].y + 30);
				int x = rand() % 6;
				arr[i] = { x * 106 + 5,-50 };
				break;
			}
		break;
	case 'D':
		for (int i = 0; i < NUM; i++)
			if (arr[i].y > (HEIGHT - 100) && arr[i].x == (2 * 106 + 5))
			{
				clearrectangle(arr[i].x, arr[i].y, arr[i].x + 95, arr[i].y + 30);
				int x = rand() % 6;
				arr[i] = { x * 106 + 5,-50 };
				break;
			}
		break;
	case 'J':
		for (int i = 0; i < NUM; i++)
			if (arr[i].y > (HEIGHT - 100) && arr[i].x == (3 * 106 + 5))
			{
				clearrectangle(arr[i].x, arr[i].y, arr[i].x + 95, arr[i].y + 30);
				int x = rand() % 6;
				arr[i] = { x * 106 + 5,-50 };
				break;
			}
		break;
	case 'K':
		for (int i = 0; i < NUM; i++)
			if (arr[i].y > (HEIGHT - 100) && arr[i].x == (4 * 106 + 5))
			{
				clearrectangle(arr[i].x, arr[i].y, arr[i].x + 95, arr[i].y + 30);
				int x = rand() % 6;
				arr[i] = { x * 106 + 5,-50 };
				break;
			}
		break;
	case 'L':
		for (int i = 0; i < NUM; i++)
			if (arr[i].y > (HEIGHT - 100) && arr[i].x == (5 * 106 + 5))
			{
				clearrectangle(arr[i].x, arr[i].y, arr[i].x + 95, arr[i].y + 30);
				int x = rand() % 6;
				arr[i] = { x * 106 + 5,-50 };
				break;
			}
		break;
	}

}