//-----------------------------------------------------------------
//?Background?object
//?C++?Source?-?Background.cpp
//-----------------------------------------------------------------
//Download?by?http://www.NewXing.com
//-----------------------------------------------------------------
//?Include?Files
//-----------------------------------------------------------------
#include?“Background.h“

//-----------------------------------------------------------------
//?Background?Constructor（s）/Destructor
//-----------------------------------------------------------------
Background::Background（int?iWidth?int?iHeight?COLORREF?crColor）
{
??//?Initialize?the?member?variables
??m_iWidth?=?iWidth;
??m_iHeight?=?iHeight;
??m_crColor?=?crColor;
??m_pBitmap?=?NULL;
}

Background::Background（Bitmap*?pBitmap）
{
??//?Initialize?the?member?variables
??m_crColor?=?0;
??m_pBitmap?=?pBitmap;
??m_iWidth?=?pBitmap->GetWidth（）;
??m_iHeight?=?pBitmap->GetHeight（）;
}

Background::~Background（）
{
}

//-----------------------------------------------------------------
//?Background?General?Methods
//-----------------------------------------------------------------
void?Background::Update（）
{
??//?Do?nothing?since?the?basic?background?is?not?animated
}

void?Background::Draw（HDC?hDC）
{
??//?Draw?the?background
??if?（m_pBitmap?!=?NULL）
????m_pBitmap->Draw（hDC?0?0）;
??else
??{
????RECT????rect?=?{?0?0?m_iWidth?m_iHeight?};
????HBRUSH??hBrush?=?CreateSolidBrush（m_crColor）;
????FillRect（hDC?&rect?hBrush）;
????Deleteobject（hBrush）;
??}
}

//-----------------------------------------------------------------
//?StarryBackground?Constructor
//-----------------------------------------------------------------
StarryBackground::StarryBackground（int?iWidth?int?iHeight?int?iNumStars
??int?iTwinkleDelay）?:?Background（iWidth?iHeight?0）
{
??//?Initialize?the?member?variables
??m_iNumStars?=?min（iNumStars?100）;
??m_iTwinkleDelay?=?iTwinkleDelay;

??//?Create?the?stars
??for?（int?i?=?0;?i???{
????m_ptStars[i].x?=?rand（）?%?iWidth;
????m_ptStars[i].y?=?rand（）?%?iHeight;
????m_crStarColors[i]?=?RGB（128?128?128）;
??}
}

StarryBackground::~StarryBackground（）
{
}

//-----------------------------------------------------------------
//?StarryBackground?General?Methods
//-----------------------------------------------------------------
void?StarryBackground::Update（）
{
??//?Randomly?change?the?shade?of?the?stars?so?that?they?twinkle
??int?iRGB;
??for?（int?i?=?0;?i?????if?（（rand（）?%?m_iTwinkleDelay）?==?0）
????{
??????iRGB?=?rand（）?%?256;
??????m_crStarColors[i]?=?RGB（iRGB?iRGB?iRGB）;
????}
}

void?StarryBackground::Draw（HDC?hDC）
{
??//?Draw?the?solid?black?background
??RECT????rect?=?{?0?0?m_iWidth?m_iHeight?};
??HBRUSH??hBrush?=?CreateSolidBrush（RGB（0?0?0））;
??FillRect（hDC?&rect?hBrush）;
??Deleteobject（hBrush）;

??//?Draw?the?stars

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1750??2013-12-02?06:11??www.NewXing.com\Background.h

?????文件???????1515??2013-12-02?06:11??www.NewXing.com\Bitmap.h

?????文件???????4658??2013-12-02?06:11??www.NewXing.com\GameEngine.h

?????文件???????1464??2013-12-02?06:11??www.NewXing.com\MeteorDefense.h

?????文件???????1249??2013-12-02?06:11??www.NewXing.com\Resource.h

?????文件???????6209??2013-12-02?06:11??www.NewXing.com\Sprite.h

?????文件???????3116??2013-12-02?06:11??www.NewXing.com\Background.cpp

?????文件???????6819??2013-12-02?06:11??www.NewXing.com\Bitmap.cpp

?????文件??????14230??2013-12-02?06:11??www.NewXing.com\GameEngine.cpp

?????文件???????9066??2013-12-02?06:11??www.NewXing.com\MeteorDefense.cpp

?????文件???????5955??2013-12-02?06:11??www.NewXing.com\Sprite.cpp

????.......?????19818??2004-01-09?00:37??www.NewXing.com\Res\City.bmp

????.......????147510??2004-01-09?00:47??www.NewXing.com\Res\Explosion.bmp

????.......????118614??2004-01-09?00:37??www.NewXing.com\Res\GameOver.bmp

????.......?????93654??2004-01-09?00:37??www.NewXing.com\Res\Ground.bmp

????.......?????87302??2004-01-09?00:43??www.NewXing.com\Res\Meteor.bmp

????.......??????2358??2004-01-09?00:37??www.NewXing.com\Res\Missile.bmp

????.......??????3126??2004-01-09?00:37??www.NewXing.com\Res\Target.bmp

????.......?????66266??2002-07-29?13:09??www.NewXing.com\Res\BigExplode.wav

????.......?????15490??2002-07-29?13:07??www.NewXing.com\Res\Explode.wav

????.......??????8166??2002-07-29?13:05??www.NewXing.com\Res\Fire.wav

????.......??????4764??2007-10-16?14:16??www.NewXing.com\MeteorDefense.dsp

????.......???????532??2007-10-16?14:13??www.NewXing.com\MeteorDefense.dsw

????.......??????2238??2002-07-27?01:50??www.NewXing.com\Res\MeteorDefense.ico

????.......??????1406??2002-07-27?01:51??www.NewXing.com\Res\MeteorDefense_sm.ico

????.......?????31412??2002-07-29?14:17??www.NewXing.com\Music.mid

????.......?????31412??2002-07-29?14:17??www.NewXing.com\Res\Music.mid

????.......??????1511??2004-01-07?22:30??www.NewXing.com\MeteorDefense.rc

????..AD...?????????0??2012-06-13?06:34??www.NewXing.com\Res

-----------?---------??----------?-----??----

............此處省略2個文件信息