[Bf-python] Mesh Colors

[Campbell Barton]

Added list like access for colors (alpha included)
but I DID notice that alpha is used when painting so its kinda volitile.

Campbell Barton wrote:
> Martin Poirier wrote:
>> --- Levi <levischooley at eaglecom.net> wrote:
>>
>>  
>>>> But this let be to wonder what the alpha
>>>> value did. as far as I can tell its only
>>>> ever used for the vertex paint code to work
>>>> woth soft brushes (verts that are further
>>>> away get a lower alpha), nowhere else can I
>>>> see it being used.
>>>> Could we remove access to the alpha value
>>>> since (AFAIK) it has no practicle use?
>>>>       
>>> Hehe, way to open a firing squad on yourself! :)
>>>
>>> Anyway, I thought I'd throw my 2 cents in. You can
>>> use the vertex
>>> alpha values in the game engine. I've used it to
>>> create a type of
>>> multi-texturing that isn't possible otherwise. Until
>>> we are able
>>> to manipulate the alpha values from within Blender,
>>> the only way
>>> to set them has been through python.
>>>
>>> In this case, I would recommend that you leave them
>>> alone. ;)
>>>     
>>
>> In anycase, why would you remove something that works.
>> I'd say, only add a disclaimer in the docs that this
>> value will be overwritten if modified by Blender but
>> can otherwise be used in the Game Engine.
>>
>> Martin
>
> It depends how you look at it- I may be wrong about this. but access 
> to data that has no meaning (is volatile, overwritten when painting )
> is not useful, Maybe The verts mcol is used and tfaces left intact or 
> somthing, I should really look into it....
> Anyhow, since people seem to see the alpha as having a meaning in the 
> future if not now. best not remove access to it,
>
> Levi, Id be interested in how you used the alpha- was it alpha from 
> the tface or vertex?, did you use NMesh or Mesh?
>
> Anyhow, I think my questions answered. will be.
> r,g,b,a= face.col[i]
> and
> face.col[i]= r,g,b,a
>


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Campbell J Barton

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