[Soc-2009-dev] Raytrace api

[joe]

I just know the low-level ray/triangle intersection function does not;
I have no idea about the rest of the octree code, which may have
checks for it for all I know.

Joe

On Fri, Jun 12, 2009 at 2:23 PM, André Pinto<andresusanopinto at gmail.com> wrote:
> ===Week 3 report===
> ==This week==
> *hierarchic tree objects was done
>    octree was adapted to behave well on this (old code was "destructive")
>   current branch (r20823) is using a BVH of BVH's
>
> *instance support done (it currently uses instance suport at the level of
> "obi->flag & R_TRANSFORMED") that means its supported at stuff like
> dupliverts, duplifaces.
> http://andresp.no-ip.org/soc2009/dupliverts3.png
>
> *implemented a faster ray-bb method.. that actually was enough to make bvh
> have nicer time results than octree on the few scenes I tested.
>
> Some results obtained by community (blender community is really nice ^__^)
> can be seen at http://blenderartists.org/forum/showthread.php?t=157463
>
> *I have been reading raytrace documentation, papers, forums etc..
>
> ==Next week===
> *test the remaining asserts of disabled features...
>     ray_trace_shadow_tra
>     ray_trace_shadow_rad
>     ray_ao_qmc
>     ray_ao_spheresamp
>     ray_shadow_jitter
>     ray_shadow
>     ray_translucent
> It would be nice to have some small scenes to test those features...
>
> *start thinking on how to implement the next step on the soc project -
> getting a "test-framework"
>
> ==Questions/Issues==
> I was planing on doing support at Mesh level (alt+d), but that is outside
> the scope of this SoC.
> Currently the reason for not supporting those is because of modifiers are
> object-level identities. Implementing a stack-modifier sanity function would
> be just a quick hack as the real solution of the problem would be to
> implement something like "Mesh-level-modifiers". This was discussed with
> ZanQdo and broken.
>
>
> joe, during this week I read all octree code and I am almost sure the code
> does protect against reporting hits before the origin point.. do you have
> any scene with that bug?
>
> ==schedule==
> I finished school works... now only 3 exams left..
> I hope to be able to increase the available time for SoC during the next
> weeks.
>
>
>
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