private Point MapToScreen(Point point)
{
var originalSize = new Size(this.handSource.Width, this.handSource.Height);
return new Point(-50 + (float)(point.X / originalSize.Width * (System.Windows.SystemParameters.PrimaryScreenWidth + 100)), -50 + (float)(point.Y / originalSize.Height * (System.Windows.SystemParameters.PrimaryScreenHeight + 100)), point.Z);
}
}