[Soc-2016-dev] Weekly Report #3 PBVH Based Vertex Painting

[Bastien Montagne]

Hi Nate,

Nice work :)

However, I do not see a single commit from you since last Sunday, please 
commit and push *often*. It’s fine if a commit is not finished, or even 
breaks a few things, as long as the code remains at least buildable, and 
it’s clearly stated in commit message. But regular commits are very 
important for us to follow your work (and it’s also a security, in case 
something bad would happen to your computer hard drive ;) ).

Cheers,
Bastien

Le 11/06/2016 08:44, bitinat2 at isu.edu a écrit :
> What I did this week:
>
> I looked into how sculpt mode selects vertices within PBVH Nodes. I originally thought I would be writing a cylinder/cone intersection algorithm to select points, but sculpt mode uses a much more simple sphere intersection algorithm. After talking to my mentor, we decided to recycle a couple sculpt methods. I was able to get vertex painting to use a similar method to quickly avoid painting vertices outside the brush region. By using a 3D location sphere intersection comparison instead of a cylindrical intersection comparison, PBVH vertex painting now avoids "splashing" paint, which was one of the features I wanted to add.
>
> I have some adjustments to make over the weekend to get the PBVH painting method feeling a little more natural. Some of the older paint blending techniques need some adapting to work with our newer technique. I'll also be modifying weight paint to do act the same as how I have vertex paint working.
>
> Side note: I had a bad case of strep throat this week, and although I got my objective done I wasn't able to fully replicate Ray traced vertex painting with PBVH painting this week. I'll probably have a fully functioning prototype next week that I can show to my stakeholders though, so things are looking good so far.
>
> -Nate
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