Sun System : Ted N Gai http://tedngai.net/
Adaptation and New features Guillermo Parada http://www.gt2p.cl/
Adaptive Component and Computation method: Guillermo Parada http://www.gt2p.cl/
Rib Structure:Guillermo Parada http://www.gt2p.cl/
The components system is close when the sun angle vector between normal srf vector is near 90 deg.
The multiplier factor is computated about dot product between sun vector and normal srf vector.