Real-Time Physics Simulation Forum

hii...
i am new in bullet physics.I an doing a project in which a truck carry some cuboid boxes.So i used Raycast vehiclee for my truck and i am adding boxes with using addCubic object().
After adding boxes in physics world my fps is low down very much...so is there any way from which i increases my fps with out decreasing size and number of boxes.
Please help me to overcome this problem.

Thanks in advance.

Regards..
Sankalp

how many boxes have you actualy thown at bullet and what are you using to render them?

Thanks for reply Granyte...
I am using my own rendering engine in OpenglES-1 for IOS.I loaded 24 boxes in truck.