/// <summary>
/// When two vectors are parallel, the cross product cannot be normalised. This method hacks around that problem.
/// </summary>
/// <returns>A UnitVector</returns>
/// <param name="aVector">A second vector to which the result will be orthogonal.</param>
public UnitVector safeNormalisedCrossProduct(Scientrace.Vector aVector)
{
if (this.length * aVector.length == 0)
{
return(UnitVector.x1vector());
}
Vector crossVector = this.crossProduct(aVector);
if (crossVector.length == 0)
{
return(this.safeNormalisedCrossProduct(aVector.vectorDance()));
}
return(crossVector.tryToUnitVector());
}