background.h

一个小的类似于雷电的射击游戏

#pragma once

#define STAR_NUMBER 100
#define TWINKLE_DELAY 50
#define SCROLL_VELOCITY 3

class BackGround
{
public:
	BackGround(HWND hWnd);
	virtual ~BackGround(void);

	virtual void Update();
	virtual void Draw(HWND, HDC);	 

private:
	HWND m_hWnd;
	POINT m_ptStar[STAR_NUMBER];
	UCHAR m_cColor[STAR_NUMBER];
	int m_iWidth;
	int m_iHeight;
};