/// <summary>
/// Calculates the local direction of this line in <paramref name="parent"/> frame.
/// </summary>
/// <param name="parent">Parent object in which frame the local direction should be calculated.</param>
/// <returns>Direction in given parent coordinate frame.</returns>
public Vector3 CalculateLocalDirection(GameObject parent)
{
return(Vector3.Normalize(End.CalculateLocalPosition(parent) - Start.CalculateLocalPosition(parent)));
}
/// <summary>
/// Convert to native agx.Edge. If <paramref name="parent"/> is given, the native
/// edge will be given in the parents coordinate frame - otherwise world frame.
/// </summary>
/// <param name="parent">Parent in which this edge should be transformed to.</param>
/// <returns>Native agx.Edge.</returns>
public agx.Edge ToNativeEdge(GameObject parent)
{
return(new agx.Edge(Start.CalculateLocalPosition(parent).ToHandedVec3(),
End.CalculateLocalPosition(parent).ToHandedVec3()));
}