Method transformAngle

source/core/StarMatrix3.hpp:313–319

template <typename T>
float Matrix3<T>::transformAngle(float angle) const {
  Vec2 a = Vec2::withAngle(angle, 1.0f);
  Matrix3 m = *this;
  m[0][2] = 0;
  m[1][2] = 0;
  return m.transformVec2(a).angle();
}

template <typename T>
bool Matrix3<T>::operator==(Matrix3 const& m2) const {