/// <summary>
/// 计算一个点到直线的垂直距离
/// </summary>
public static double PedalDistanceToLine(this Vector2d tarVector2d, Vector2d origin, Vector2d _direction)
{
Line2d line2D = new Line2d(origin, _direction);
double dis = line2D.DistanceSquared(tarVector2d);
return((double)Math.Sqrt(dis));
}
/// <summary>
/// 计算一个点到直线的垂直距离
/// </summary>
public static double CalcPedalDistanceToLine(this Vector2d tarVector2d, Line2d line2D)
{
double dis = line2D.DistanceSquared(tarVector2d);
return((double)Math.Sqrt(dis));
}