Guys, i will just let it here and say nothing ^-^
Some issues remains but the biggest challenges have been solved!
Viewing post in Excitebike (Completed by Geod)
I did take your idea of ramp rotation but i didn't use your script. After trying deformation and object cloning, i realized that it was the best and simplest solution. My philosophy is we must solve the most critical part - object 3d positioning - first before event think about other things like object apparence or whole scene rotation.