public override int GetHashCode()
{
int hash = ColourMap.GetHashCode() ^ (renderBothFaces ? 1 : 0) ^ (switchFrontAndRearFaces ? 1 : 0);
if (DiffuseTransmissionColour != null)
{
hash ^= DiffuseTransmissionColour.GetHashCode();
}
if (TransmissionColour != null)
{
hash ^= TransmissionColour.GetHashCode();
}
if (DiffuseReflectionColour != null)
{
hash ^= DiffuseReflectionColour.GetHashCode();
}
if (ReflectanceColour != null)
{
hash ^= ReflectanceColour.GetHashCode();
}
return(hash);
}
