[PD] Arbitrary meshes/drawlines in GEM?

[Jack]

There is also the [gemvertexbuffer] object to draw a mesh.
See help and examples about it.
++

Jack



Le 05/08/2016 à 19:26, cyrille henry a écrit :
> hello,
> 
> for now, i thik the most optimized solution is to :
> use a tabdump extern to send the data to a pix_set object
> use a shader to distord a mesh_square/mesh_line geometry according to
> this texture
> 
> I have plan to add a message to pix_set object to read directlly the
> table to remove the list bottleneck (and an external dependency)
> I would also love to have time to include this functionality to
> mesh_square...
> 
> 
> But if you have only few thousand line to draw, [curve 2] object (with a
> [res 2< message) and a loop will be fine on any recent computer.
> (or GEMglBegin etc)
> 
> cheers
> c
> 
> 
> 
> Le 05/08/2016 à 18:56, Daniel Iglesia a écrit :
>> I have (large, e.g. size  >512) quickly-varying arrays of data in Pd
>> that I'd like to turn into vertices/lines in GEM. How do I either
>>
>> 1) draw a large mesh (such as with jit.gl.mesh) without having to, for
>> example, specify a [polygon] with 512 inlets
>>
>> or
>>
>> 2) send individual drawline commands to GEM (without having to, for
>> example, use GEMglBegin with 512 GEMglVertex3f objects in a row), e.g.
>> [drawline x y z x y z (
>>
>> (the only other idea I have is to use a vertex shader and send in
>> lists of point data as a parameter to that, which hopefully doesn't
>> have a bottleneck)
>>
>> thanks for any advice, Dan
>>
>>
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