> I downloaded the demo. It is so frickin L337 I can't even describe it :D > Ok, I could, but I'm too lazy. Indeed, the demos are cool! But the whole library is designed for C so somebody would need to do a header conversion. (roughly 5000 lines if I'm not mistaken) I don't know if you guys have heard about ODE which stands for Open Dynamics Engine. It's developed by Russell Smith but there allready is a Delphi conversion called DelphiODE maintained by Mattias Fagerlund. This might save a lot of work and the Engine is powerfull, too! Just have a look at the provided demos... -lith