[PD] Gem - how to get a concave/convex plane
cyrille henry
ch at chnry.net
Sun Aug 5 12:16:10 CEST 2018
Le 05/08/2018 à 01:28, oliver a écrit :
> cyrille henry wrote:
>> hello,
>>
>> you can try [curve3d]
>
> cyrille, jack: thanks a lot for your kind help.
>
> i tried both your suggestions with some success , but i'm not quite there yet.
>
>
>
> i attached an example patch providing both methods and problems.
>
>
> basically [curve3d] works well, with a minor issue that can be worked around. though i don't understand why it's there.
Certainlly because I made a mistake with S T coordinate when I code this object, and you are the 1st one to notice it.
I don't know if it's a bug that should be corrected, or a bug that is there for so long that it should stay for compatibility.
anyway, the workaround is easy.
best
c
>
> the issue is that the applied texture is rotated by 90°. i tried several things to correct it ([pix_flip], [pix_coordinate]) but they all messed up the texture.
>
> ========================================================================
>
> the vertex-shader approach of jack produces the shape i was looking for, but unfortunately doesn't allow texture mapping. or at least i wasn't able to figure out how to do it.
>
> thanks for any further thoughts ...
>
> best
>
> oliver
>
>
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