C++ (Cpp) GetRandomLong示例

示例#1

文件： AUMixer3DView.cpp 项目： arnelh/Examples

	void		MoveRandomly(float &outAngle, float &outDistance )
	{
		Draw(sBackgroundColor);

		const long kWiggle = 20L;
		float deltax = GetRandomLong(kWiggle) - 0.5*kWiggle;
		float deltay = GetRandomLong(kWiggle) - 0.5*kWiggle;
		
		deltax += lastx-centerx;
		deltay += lasty-centery;
		
		deltax *= 0.99;
		deltay *= 0.99;
		
		lastx = deltax+centerx;
		lasty = deltay+centery;
		
		
		CartesianToAngle(lastx, lasty, lastAngle );
		
		Draw(mColor);
		
		outDistance = Distance(centerx,centery);
		
		outAngle = lastAngle;
	}

示例#2

文件： TRandom.cpp 项目： fruitsamples/AudioUnits

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//	GetRandomLong
//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
UInt32	GetRandomLong(UInt32 inLowerLimit, UInt32 inUpperLimit )
{
	UInt32 value = GetRandomLong(inUpperLimit - inLowerLimit );
	
	return value + inLowerLimit;
}