New features of Bullet (dynamic AABB trees)

josemarin
Posts: 38
Joined: Fri Aug 12, 2005 5:37 pm

New features of Bullet (dynamic AABB trees)

Post by josemarin »

Hi!

I´ve read that version 2.69 of Bullet has "Another collision detection broad phase, based on dynamic AABB trees: this acceleration structure also supports view frustum and occlusion culling."

It´s the btDbvt, right?

I see the BspDemo use it, actually the btDbvtBroadphase class, but how it can be used to perform "view frustum" (meaning, determine the bodies that are in the view frustum, to must be drawn) and "occlusion culling" (determine if a body is directly in front of another?).

Is there any pratical demo/sample of how to use that?

Thanks
Nathanael
Posts: 78
Joined: Mon Nov 13, 2006 1:44 am

Re: New features of Bullet (dynamic AABB trees)

Post by Nathanael »

You need to compile/run CDTestFramework in /extras folder.
More information here: http://www.bulletphysics.com/Bullet/php ... =18&t=2178

hope it help,
Nathanael.
josemarin
Posts: 38
Joined: Fri Aug 12, 2005 5:37 pm

Re: New features of Bullet (dynamic AABB trees)

Post by josemarin »

Great!

Thanks for the tip, Nathanael!