/// <summary>
/// On Mouse Up over object if a new object has been dropped put this into orbit around this object
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OjectMouseUp(object sender, MouseButtonEventArgs e)
{
// Get the view model of the object that mouse was releasd over
InterstellaObjectViewModel SenderVM = ((Ellipse)sender).DataContext as InterstellaObjectViewModel;
// If drag is active, and object overwhich the mouse was released is not the same as the drag object
if (_DragActive && SenderVM != _DraggedObject)
{
// Calculate the velocity require of the drag object to orbit the other
Vector OrbitVelocity = CanvasPageViewModel.GetOrbitVelocity(_DraggedObject.InterstellaObject, SenderVM.InterstellaObject);
//set the object's velocity to the calculated above, and end the drag operation
_DraggedObject.SetObjectVelocity(OrbitVelocity);
_DragActive = false;
}
}