public AngleBetweenFloat()
{
var rnd = new RandomSystem(1);
A.SetByIndex(i => rnd.UniformV3fDirection());
angles.SetByIndex(i => rnd.UniformFloat() * (float)Constant.Pi);
B.SetByIndex(i =>
{
V3f v;
do
{
v = rnd.UniformV3fDirection();
}while (v.Dot(A[i]).IsTiny());
V3f axis = v.Cross(A[i]).Normalized;
return(M44f.Rotation(axis, angles[i]).TransformDir(A[i]));
});
}
private static V3f RndAxis(RandomSystem rnd) => rnd.UniformV3fDirection();
