Search found 78 matches

by Nathanael
Fri Feb 29, 2008 11:20 am
Forum: General Bullet Physics Support and Feedback
Topic: btGjkEpaSolver thread safe?
Replies: 7
Views: 2592

Re: btGjkEpaSolver thread safe?

I glad the that new version let you move forward. Performance wise, i may try implement an idea from Erwin that basically let EPA use the previous GJK simplex (in most cases, currently, we always rebuild it from scratch), that should improve penetration depth evaluation greatly. I know that the theo...
by Nathanael
Fri Feb 29, 2008 1:51 am
Forum: General Bullet Physics Support and Feedback
Topic: btGjkEpaSolver thread safe?
Replies: 7
Views: 2592

Re: btGjkEpaSolver thread safe?

Thanks Erwin! The new version certainly looks more readable! I'll have it integrated by the weekend and let you know my experiences. I would be interested to know why the old one isn't thread safe, I couldn't seem to find the problem myself. I thought for a while it could be using too much stack bu...
by Nathanael
Fri Nov 17, 2006 12:44 am
Forum: Research and development discussion about Collision Detection and Physics Simulation
Topic: Mass Ratio Workaround?
Replies: 5
Views: 3881

Re: Mass Ratio Workaround?

A approach that i used with success is to calculate some kind of 'stress', if you use an impulse based solver something like this should do it: before solving, for each body: reset LinearStressV=0,0,0 and LinearStressM=0 then each time you apply an impulse to a body, you accumulate: vector3 LinearSt...