public static Vector2 Disk(ref UMT.MersenneTwister _rand, MTRandom.Normalization n, float temp)
{
double t, theta;
switch (n)
{
case MTRandom.Normalization.STDNORMAL:
t = NormalDistribution.Normalize(_rand.NextSingle(true), temp);
theta = NormalDistribution.Normalize(_rand.NextSingle(true), temp) * 2 * Math.PI;
break;
case MTRandom.Normalization.POWERLAW:
t = PowerLaw.Normalize(_rand.NextSingle(true), temp, 0, 1);
theta = PowerLaw.Normalize(_rand.NextSingle(true), temp, 0, 1) * 2 * Math.PI;
break;
default:
t = (float)_rand.NextSingle(true);
theta = _rand.NextSingle(false) * 2 * Math.PI;
break;
}
return(new Vector2((float)(Math.Sqrt(t) * Math.Cos(theta)), (float)(Math.Sqrt(t) * Math.Sin(theta))));
}