[ODE] Patch for collision_trimesh_trimesh_new available
Bram Stolk
b.stolk at gmail.com
Mon Sep 17 08:02:03 MST 2007
I'm very busy this week, but I will try to get it in as soon as I can.
Thank you for the patch.
bram
On 9/14/07, Oleh Derevenko <oder at eleks.lviv.ua> wrote:
>
> Hi
>
> I've submited patch #1794781
> ============
> Fixed: Bug in hashing algorithm when program did not search for key match
> if hash table bucket was full
> Fixed: Inefficiency of hash value to index conversion when only lower 8
> bist of 32 bits available were used
> Improved: Hashing algorithm itself having removed code with no effect from
> it, having improved input value preprocessing quality and having changed it
> to generate better bit distribution in output
> Fixed: Bug when different contacts could be merged together because of
> hash collision
> Fixed: Bug when extra contacts were ignored if all contact slots were
> already occupied instead of trying to merge them with some of matching
> contacts already recorded
> Fixed: Bug with least depth contact being selected during contact merging
> instead of most deep one
> Discovered: Bug with opposite contacts being reported as one contact with
> dummy normal of (1; 0; 0) instead of being annihilated
> Fixed: floating point types and immediate constants to match ODE style
>
> How to merge:
> 1) Checkout revision 1216
> 2) Unpack archive in trunk/ode/src/
> 3) Update from SVN
> 4) Resolve conflicts (if any)
> 5) Commit to SVN
>
> QA Status:
> Compiled but not tested (do not have possibility to). If you have any
> standard tests it would be appreciated if they be run before committing
> this.
> ============
>
> I've made corrections mostly to PushNewContact() function (replacement for
> GenerateContact() in old code). I did not review mathematics part (did not
> want to spend time trying to understand all that). However, considering the
> quality of hash table implementation, I would not trust the author too much
> and would suggest somebody who is familiar with math used there to review
> the rest of the code (FindTriangleTriangleCollision()).
>
> More changes by me are coming in next few days.
>
> Oleh Derevenko
> -- Yahoo ID: oleh_derevenko
> -- ICQ: 36361783
>
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>
--
Zapp: Captain's log, stardate...er..
Kif: Ohhh. April 13th.
Zapp: April 13th. Point 2.
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