/// <summary>
/// Returns whether the planar projections of the two <i>Coordinate</i>s are equal.
///</summary>
/// <param name="coordinate"><i>ICoordinate</i> with which to do the 2D comparison.</param>
/// <returns>
/// <c>true</c> if the x- and y-coordinates are equal;
/// the Z coordinates do not have to be equal.
/// </returns>
public bool Equals2D(CoordinateF coordinate)
{
CoordinateF coordF = coordinate;
if (coordF == null)
{
if (_x != coordinate.X)
{
return(false);
}
if (_y != coordinate.Y)
{
return(false);
}
}
else
{
// Compare at the float level if possible.
if (_x != coordF.X)
{
return(false);
}
if (_y != coordF.Y)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Returns true if other has the same values for x, y and z.
/// </summary>
/// <param name="other"><i>ICoordinate</i> with which to do the 3D comparison.</param>
/// <returns><c>true</c> if <c>other</c> is a <c>ICoordinate</c> with the same values for x, y and z.</returns>
public bool Equals3D(CoordinateF other)
{
if (other == null)
{
return(false);
}
return((_x == other.X) && (_y == other.X) && ((_z == other.Z) || (double.IsNaN(_z) && double.IsNaN(other.Z))));
}
/// <summary>
/// Returns whether the planar projections of the two <i>Coordinate</i>s are equal.
/// </summary>
/// <param name="coordinate"><i>ICoordinate</i> with which to do the 2D comparison.</param>
/// <returns>
/// <c>true</c> if the x- and y-coordinates are equal;
/// the Z coordinates do not have to be equal.
/// </returns>
public bool Equals2D(CoordinateF coordinate)
{
if (coordinate == null)
{
return(false);
}
return(_x == coordinate.X && _y == coordinate.Y);
}
/// <summary>
/// Returns true if other has the same values for x, y and z.
/// </summary>
/// <param name="other"><i>ICoordinate</i> with which to do the 3D comparison.</param>
/// <returns><c>true</c> if <c>other</c> is a <c>ICoordinate</c> with the same values for x, y and z.</returns>
public bool Equals3D(CoordinateF other)
{
CoordinateF coordF = other;
if (coordF == null)
{
return((_x == other.X) && (_y == other.X) && ((_z == other.Z) ||
(Double.IsNaN(_z) && Double.IsNaN(other.Z))));
}
return((_x == coordF.X) && (_y == coordF.Y) && ((_z == coordF.Z) || ((float.IsNaN(_z) && float.IsNaN(coordF.Z)))));
}
/// <summary>
/// Copies the X, Y and Z values from the CoordinateF without doing a conversion.
/// </summary>
/// <param name="coord">X, Y Z</param>
public FloatVector3(CoordinateF coord)
{
X = coord.X;
Y = coord.Y;
Z = coord.Z;
}