[Bf-gamedev] vertex normals editing

[Paweł Łyczkowski]

Hey Bastien. I did a test with the new export normals functionality. 
Could you look at the broken effect I got?

http://blenderartists.org/forum/showthread.php?291881-Exporting-OBJ-and-FBX-physically-break-edges-no-love-for-the-game-making-community&p=2485959&viewfull=1#post2485959

Cheers
PLyczkowski
plyczkowski.com

Bastien Montagne wrote:
>
> Hi Simon,
>
> I’m currently working over this topic - but it is not a trivial one,
> we have to be very careful with how we manages those custom normals…
> You can have a look at my current working doc,
> http://wiki.blender.org/index.php/User:Mont29/Foundation/Split_Vertex_Normals 
>
> :)
>
> Best regards,
> Bastien
>
> On 07/10/2013 10:12, Simon Broggi wrote:
>>
>> Hello everyone,
>>
>> I've made a python script to edit vertex normals.
>> https://github.com/simonbroggi/Blender-Smoothgroups
>>
>> It lets the user assign some faces to a group. The normals connected
>> to a group of faces are then smoothed individually.
>>
>> The simplest application of this script is to create a beveled cube
>> with correct vertex normals and a minimum amount of polygons. In this
>> image, the cube on the right is makes use of the script
>> http://simon.insert-coin.ch/blenderNormals.jpg
>>
>> The script has some problems that make its use destroy workflow:
>> -Every time the user enters edit mode the edited normals are lost.
>> -Modifiers recalculate the normals. It would be great to use the
>> script in combination with the edge split modifier, as this is
>> another convenient method to edit normals. Unfortunately the modifier
>> ignores the normals and recalculates everything.
>>
>> These problems could be solved by implementing something similar in
>> the c code of blender. It would probably make sense to implement it
>> as a modifier. This would be a valuable tool for game artists.
>>
>> Greetings, Simon
>>
>> Simon Broggi
>> Aargauerstrasse 60 - 12
>> 8048 Zürich
>> +41 77 401 9115 <tel:%2B41%2077%20401%209115>
>> http://simon.insert-coin.ch <http://simon.insert-coin.ch/>
>>
>>
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