/// <summary>
/// Compares two objects and returns a value indicating whether one is less than, equal to, or greater than the other.
/// </summary>
/// <param name="x">The first object to compare.</param>
/// <param name="y">The second object to compare.</param>
/// <returns>
/// A signed integer that indicates the relative values of x and y:
/// - If less than 0, x is less than y.
/// - If 0, x equals y.
/// - If greater than 0, x is greater than y.
/// </returns>
public int Compare(Cartesian3dCoordinate x, Cartesian3dCoordinate y)
{
// Check perfect equality first to avoid further calculations.
if (x.IsSamePoint(y))
{
return(0);
}
Cartesian2dCoordinate x2 = m_Converter.ConvertTo2d(x);
Cartesian2dCoordinate y2 = m_Converter.ConvertTo2d(y);
return(Compare(x2, y2));
}
/// <summary>
/// Compares two objects and returns a value indicating whether one is less than, equal to, or greater than the other.
/// </summary>
/// <param name="x">The first object to compare.</param>
/// <param name="y">The second object to compare.</param>
/// <returns>
/// A signed integer that indicates the relative values of x and y:
/// - If less than 0, x is less than y.
/// - If 0, x equals y.
/// - If greater than 0, x is greater than y.
/// </returns>
public int Compare(Cartesian3dCoordinate x, Cartesian3dCoordinate y)
{
// Calculate intersection with plane to have all point on same plane.
Cartesian3dCoordinate intersectX = m_Converter.Plane.GetIntersection(x);
Cartesian3dCoordinate intersectY = m_Converter.Plane.GetIntersection(y);
// Convert in a 2D referential to facilitate the comparison.
Cartesian2dCoordinate x2 = m_Converter.ConvertTo2d(intersectX);
Cartesian2dCoordinate y2 = m_Converter.ConvertTo2d(intersectY);
if (x2.Y.IsEqualTo(y2.Y))
{
// Same line
if (x2.X.IsEqualTo(y2.X))
{
return(0);
}
return(x2.X < y2.X ? -1 : 1);
}
return(x2.Y > y2.Y ? -1 : 1);
}
