[Bf-committers] Wavefromt OBJ exporter, ability to flip models on export

Maxim Therrien acerspyro at gmail.com
Thu Dec 11 02:30:43 CET 2014


I hear other modelling applications like Maya and 3DSMax allow you to
change the model's handedness when you export them to .obj.

On Wed, Dec 10, 2014 at 8:21 PM, Campbell Barton <ideasman42 at gmail.com> wrote:
> If the engine is to have proper OBJ support, it should handle this in
> its own file format loader.
>
> On Thu, Dec 11, 2014 at 2:11 AM, Maxim Therrien <acerspyro at gmail.com> wrote:
>> Then should the engine convert the models, or should I flip the model
>> in blender?
>>
>> On Wed, Dec 10, 2014 at 8:00 PM, Campbell Barton <ideasman42 at gmail.com> wrote:
>>> Your engine will load every other OBJ with flipped normals too. (not
>>> just exported from Blender)
>>>
>>> The OBJ spec is defined as right handed, see the section on faces,
>>> See: http://www.martinreddy.net/gfx/3d/OBJ.spec
>>>
>>> On Thu, Dec 11, 2014 at 12:43 AM, Maxim Therrien <acerspyro at gmail.com> wrote:
>>>> http://www.evl.uic.edu/ralph/508S98/coordinates.html
>>>>
>>>> On Wed, Dec 10, 2014 at 6:38 PM, Maxim Therrien <acerspyro at gmail.com> wrote:
>>>>> I am working with someone to make a game with a brand new engine, and
>>>>> it's left-handed. https://github.com/graphitemaster/neothyne
>>>>>
>>>>> On Wed, Dec 10, 2014 at 6:23 PM, Campbell Barton <ideasman42 at gmail.com> wrote:
>>>>>> On Wed, Dec 10, 2014 at 11:38 PM, Maxim Therrien <acerspyro at gmail.com> wrote:
>>>>>>> Hi, this is my very first attempt at posting on a mailing list, so
>>>>>>> please pardon me if I do it wrong. I would really like to have an
>>>>>>> option on the OBJ exporter to flip exported models for use in
>>>>>>> left-handed engines.
>>>>>>
>>>>>> Can you give some examples of which engines would use this? (I never
>>>>>> heard this  request before)
>>>>>>
>>>>>>
>>>>>> --
>>>>>> - Campbell
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>>>
>>>
>>> --
>>> - Campbell
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>
>
>
> --
> - Campbell
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