// -----------------------------------------------------------------
/// <summary>
/// Compute the new position
/// This assumes velocity is in units/sec and timestep is proportion
/// of a second; also assumes that the position in the velocity was
/// updated "recently enough"
/// </summary>
// -----------------------------------------------------------------
protected void UpdatePosition(NBodyValue val, float timedelta)
{
if (!val.CanMove)
{
return;
}
SceneObjectPart sop = m_scene.GetSceneObjectPart(val.Identity);
if (sop == null)
{
return;
}
// If the object is selected, clear the velocity and move on...
if (sop.ParentGroup.IsSelected)
{
val.Velocity = Vector3.Zero;
return;
}
val.Position += val.Velocity * timedelta;
sop.UpdateGroupPosition(NBPosition2OSPosition(val.Position));
}