WindowAni

窗口动画实现代码解析

转载于 2012-06-19 19:07:00 发布 · 56 阅读

CC 4.0 BY-SA版权

原文链接：https://my.oschina.net/lyr/blog/62967

本文详细解析了一段用于实现窗口动画效果的C++代码。该代码通过定义结构体`WindowAni`来控制窗口的位置变化，并支持定时启动、停止及移动等功能。文中还介绍了如何设置窗口图像以及如何通过计时器控制动画过程。

1:

  2: // 5o fps 1f = 0.02s

  3: #define DEFAULT_COUNT 4

  4: #define DEFAULT_STOP  10

  5: struct WindowAni

  6: {

7:

  8: 	WindowAni()

  9: 	{

 10: 		mCount		= DEFAULT_COUNT;

 11: 		mCountStop	= DEFAULT_STOP;		// 停留时间（step）

 12: 		mCurCount	= 0;

 13: 		mWindow		= NULL;

 14: 	}

15:

 16: 	int mCount;			// 10

 17: 	int mCountStop;		// 停留	2

 18: 	int mCurCount;		// current step

 19: 	//---------------------------

 20: 	float mXBegin;

 21: 	float mYBegin;

22:

 23: 	float mXEnd;

 24: 	float mYEnd;

25:

 26: 	Timer * timer;

 27: 	CEGUI::Window * mWindow;

 28: 	//--------------------------------------------------------

29:

 30: 	void SetImage(string nameImag)

 31: 	{

 32: 		mWindow->setProperty("Image",nameImag.c_str());

 33: 	}

34:

35:

 36: 	/** @param

 37: 		Timer	- 所需的计时器

 38: 		Window	- 要移动的窗口

 39: 		float，float，float，float	-	窗口的起点和终点

 40: 		int _count - 到达终点所需的step

 41: 		int _count_stop - 到达终点时，停留的step  step-是在timer中定义的

 42: 		string image	- 所显示的窗口具体呈现

 43: 	*/

 44: 	void Begin(Timer* _timer,Window *wnd,float _xBegin,float _yBegin,float _xEnd, float _yEnd,int _count,int _count_stop,string _imageset)

 45: 	{

46:

 47: 		mCurCount = 0;

 48: 		mWindow = wnd;

 49: 		mWindow->setAlwaysOnTop(true);

 50: 		timer = _timer;

 51: 		SetImage(_imageset);

 52: 		mXBegin = _xBegin;

 53: 		mXEnd = _xEnd;

 54: 		mYBegin = _yBegin;

 55: 		mYEnd = _yEnd;

56:

 57: 		mCount = _count;

 58: 		mCountStop = _count_stop;

59:

 60: 		mWindow->show();

 61: 		mWindow->setPosition(UVector2(UDim(0,mXBegin),UDim(0,mYBegin)));

 62: 		timer->start();

 63: 	}

64:

 65: 	bool Move()

 66: 	{

 67: 		mCurCount ++;

 68: 		if(mCurCount >= (mCount + mCountStop))

 69: 		{

 70: 			mWindow->hide();

 71: 			timer->stop();

 72: 			SkrGamePtr->UnlockMsg();

 73: 			return true;

 74: 		}

75:

 76: 		if(mCurCount > mCount)

 77: 		{

 78: 			mWindow->setPosition(UVector2(UDim(0,mXEnd),UDim(0,mYEnd)));

 79: 			return  false;

 80: 		}

 81: 		float xStep = (mXEnd - mXBegin) / (float)mCount;

 82: 		float yStep = (mYEnd - mYBegin) / (float)mCount;

 83: 		float xNew = mXBegin + xStep * mCurCount;

 84: 		float yNew = mYBegin + yStep * mCurCount;

 85: 		mWindow->setPosition(UVector2(UDim(0,xNew),UDim(0,yNew)));

 86: 		return false;

 87: 	}

88:

 89: 	bool MoveII()

 90: 	{

 91: 		mCurCount ++;

 92: 		if(mCurCount >= (mCount + mCountStop))

 93: 		{

 94: 			mWindow->hide();

 95: 			timer->stop();

 96: 			SkrGamePtr->UnlockMsg();

 97: 			return true;

 98: 		}

99:

100: 		// 如果小于，就呆在那

101: 		if(mCurCount < mCountStop)

102: 		{

103: 			return false ;

104: 		}

105:

106: 		if(mCurCount > mCount + mCountStop)

107: 		{

108: 			mWindow->setPosition(UVector2(UDim(0,mXEnd),UDim(0,mYEnd)));

109: 			return  false;

110: 		}

111: 		float xStep = (mXEnd - mXBegin) / (float)mCount;

112: 		float yStep = (mYEnd - mYBegin) / (float)mCount;

113: 		float xNew = mXBegin + xStep * (mCurCount - mCountStop);

114: 		float yNew = mYBegin + yStep * (mCurCount - mCountStop);

115: 		mWindow->setPosition(UVector2(UDim(0,xNew),UDim(0,yNew)));

116: 		return false;

117: 	}

118: };

119:

120:

转载于:https://my.oschina.net/lyr/blog/62967