private QRect TargetRect()
{
QRect result = new QRect(0, 0, 20, 10);
result.MoveCenter(new QPoint(target.X(), Height() - 1 - target.Y()));
return(result);
}
protected override void MouseMoveEvent(QMouseEvent e)
{
if (!barrelPressed)
{
return;
}
QPoint pos = e.Pos();
if (pos.X() <= 0)
{
pos.SetX(1);
}
if (pos.Y() >= Height())
{
pos.SetY(Height() - 1);
}
double rad = Math.Atan(((double)Rect.Bottom() - pos.Y()) / pos.X());
SetAngle((int)Math.Round(rad * 180 / 3.14159265));
}
