Hello all,

The matter is a little bit Out of Topic.

The more I search in the Renderosity forum, the more I found very interesing things. This thread was initiated by the use of various ERC operators in my ERC Trajectory Prop free stuff item. Believe or not, I found a old thread directly related the creation of the parabolic curve similar to what I simulated with the prop. The thread is at:

http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=1238626&page=1#message_4034436

You will not surprise  that VK is the main participant to this thread. As I said before, old thing  can be used for next development. The only problem is to find the information before starting the project.

Allstereo