public override PointD GetVelocity(Position.IVirtualMousePosition m)
{
Bitmap i = (Bitmap)m_img;
Color c = i.GetPixel(m.GetVirtualPoint().X - m_offset.X,
m.GetVirtualPoint().Y - m_offset.Y);
PointD orig = m.GetVelocity();
return orig * -m_Param.C * (255 - c.G) / 255.0;
}
