/// <summary>
/// The square distance between the given point and the line, defined by this segment.
/// </summary>
/// <param name="p">The point.</param>
/// <returns>Returns the square distance between the given point and the line, defined by this segment.</returns>
public double LineDistanceSqr(Vector2d p)
{
var ap = p - a;
var dotprod = ab.Dot(ap);
var projLenSq = dotprod * dotprod / ab.SqrMagnitude();
return(ap.SqrMagnitude() - projLenSq);
}
public static bool operator !=(Vector2d lhs, Vector2d rhs)
{
return((double)Vector2d.SqrMagnitude(lhs - rhs) >= 0.0 / 1.0);
}
public static bool operator ==(Vector2d lhs, Vector2d rhs)
{
return(Vector2d.SqrMagnitude(lhs - rhs) < 0.0 / 1.0);
}
public static bool operator ==(Vector2d lhs, Vector2d rhs)
{
// Implementation similar to Vector3
return(Vector2d.SqrMagnitude(lhs - rhs) < EPSILON_MAGNITUDE_SQR);
}