private Vector3 GetAxisPlaneHitPoint(SceneObject obj, Ray ray)
{
Vector3 planeDisplacement = (obj.Transform.Position * SelectedAxis.Abs());
float sign = planeDisplacement.IsZero() ? 1 : Math.Sign(planeDisplacement.X + planeDisplacement.Y + planeDisplacement.Z);
Plane p1 = new Plane(planeDisplacement.Length, sign * SelectedAxis);
float dist;
if (p1.IntersectsRay(ray, out dist))
{
return(ray.Origin + ray.Direction.Normalized() * dist);
}
return(Vector3.Zero);
}
