void TankLeft(object sender, RoutedEventArgs e)
{
e.Handled = true;
InteractiveElement ie = M.Session.User.Tank.InteractiveElement;
double x = 0;
double y = 0;
if (ie != null)
{
x = x + ie.GetPosition().X;
y = y + ie.GetPosition().Y;
}
S.TankMove(x - 5, y);
}
