Algodoo

Now the barrel movement is more realistic, but this time you need to set you sim.frequency to 400, also remember to reset the sim.frequency to 100 before you quit
How to chang sim.frequency:
1. press "~" or "`" open console
2, type in sim.frequency=(number)
3. hit Enter, done


Original
http://www.algodoo.com/algobox/details.php?id=58996