void float2::Orthogonalize(const float2 &a, float2 &b)
{
assume(!a.IsZero());
b -= a.Dot(b) / a.Length() * a;
}
float2 float2::Reflect(const float2 &normal) const
{
assume2(normal.IsNormalized(), normal.SerializeToCodeString(), normal.Length());
return 2.f * this->ProjectToNorm(normal) - *this;
}