void float2::Decompose(const float2 &direction, float2 &outParallel, float2 &outPerpendicular) const
{
assume(direction.IsNormalized());
outParallel = this->Dot(direction) * direction;
outPerpendicular = *this - outParallel;
}
float float2::AngleBetweenNorm(const float2 &other) const
{
assume(this->IsNormalized());
assume(other.IsNormalized());
return acos(Dot(other));
}
float2 float2::Reflect(const float2 &normal) const
{
assume2(normal.IsNormalized(), normal.SerializeToCodeString(), normal.Length());
return 2.f * this->ProjectToNorm(normal) - *this;
}
float2 float2::ProjectToNorm(const float2 &direction) const
{
assume(direction.IsNormalized());
return direction * this->Dot(direction);
}
float2 float2::Reflect(const float2 &normal) const
{
assume(normal.IsNormalized());
return 2.f * this->ProjectToNorm(normal) - *this;
}