Real-Time Physics Simulation Forum

Sorry I was wrong. By default in vehicle X - is right, Y is forward an Z is up.

Just a guess. Do your world axis are similar to default vehicle axis, Y possitive is Up?

As I understand(reading change log), in last library version was added possibility to know with which shape (from compound shape) was collided. In contact added callback partId should be setted to shape id.

May be this topic will help

http://www.bulletphysics.com/Bullet/php ... f=9&t=4136

After closer look I found another strange issue. If understand correctly for trimesh shape both index and part id is initialized and compound shape have partId initialized, but when compound and tri mesh shapes collides in gContactAddedCallback only one object partId and index are initialized other ...

I also have issue in 2.75 release with swapped index and part id's.

When CompoundShape and TriangleMeshShape collides, in gContactAddedCallback id's and indexe's are swapped.

After trying rknoesel suggested solution everything was correct.

+1 is wrong.
linearSearch must return actual index of pair.

Hm I think, and understood that when you have miliseconds it is correct to divide them by 1000 when passing to bullet, because bullet gets time in seconds.

You can apply some arithmetic operation with pointers, but results is not like with numbers.

pair - overlappingPairArray[0] returns how many objects(holded by pair array) is stored between first pair and given pair. That is equal to pair index.

You can try to search on pointers arithmetics topic.

Hello.

If I fully understand your code, wouldn't you need to multiply ms by 1000 instead of dividing? As I understand if you divide ms by 1000 you get very small number.

Hello.

May be it's possible to add possibility to disable(or enable) debug drawing for separated objects? Because when world contains many different objects and all they are rendered it's hard enough to debug.

P.S.
I can try to implement this feature and sent a patch, if needed.