Method update

spheropt.h:262–334

	 */

	void update( CBiteRnd& rnd )
	{
		static const double WCent[ 4 ] = { 4.5, 6.0, 7.5, 10.0 };
		static const double WRad[ 4 ] = { 14.0, 16.0, 18.0, 20.0 };
		static const double EvalFacs[ 3 ] = { 2.1, 2.0, 1.9 };

		const double CentFac = WCent[ select( CentPowSel, rnd )];
		const double RadFac = WRad[ select( RadPowSel, rnd )];
		EvalFac = EvalFacs[ select( EvalFacSel, rnd )];

		const double lm = 1.0 / curem;
		double s1 = 0.0;
		double s2 = 0.0;
		int i;

		for( i = 0; i < CurPopSize; i++ )
		{
			const double l = 1.0 - i * lm;

			const double v1 = pow( l, CentFac );
			WPopCent[ i ] = v1;
			s1 += v1;

			const double v2 = pow( l, RadFac );
			WPopRad[ i ] = v2;
			s2 += v2;
		}

		s1 = 1.0 / s1;
		s2 = 1.0 / s2;

		const double* ip = PopParams[ 0 ];
		double* const cp = CentParams;
		const double* const wc = WPopCent;
		double w = wc[ 0 ] * s1;

		for( i = 0; i < ParamCount; i++ )
		{
			cp[ i ] = ip[ i ] * w;
		}

		int j;

		for( j = 1; j < CurPopSize; j++ )
		{
			ip = PopParams[ j ];
			w = wc[ j ] * s1;

			for( i = 0; i < ParamCount; i++ )
			{
				cp[ i ] += ip[ i ] * w;
			}
		}

		const double* const rc = WPopRad;
		Radius = 0.0;

		for( j = 0; j < CurPopSize; j++ )