message: Remove outdated comment
  Method name replaces comment description. There are no more magic
  numbers, only named constants. Code works just fine for negative
  numbers.
diff: @@ -56,8 +56,6 @@ Planet::~Planet()
  bool Planet::pointInCircle(NAS2D::Point<int> point)
  {
  - // Standard point in circle equation. Magic numbers for a circle diameter of 128.
  - // Note: assumes all values are always positive.
  const auto offset = point - mPosition - PlanetSize / 2;
  constexpr auto radiusSquared = PlanetRadius * PlanetRadius;
  return ((offset.x * offset.x) + (offset.y * offset.y) <= radiusSquared);
  