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Particle Flowfields

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Re: Particle Flowfields

Postby jmt4zj » Tue Jan 10, 2017 12:49 pm

+1, very organized and coherent file structure. Nice job!
Jonathan Thompson
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Re: Particle Flowfields

Postby diagraf » Thu Feb 02, 2017 1:59 am

This looks great! However, I'm getting an error that the GLSL number is not supported on my GPU (Radeon Pro 460). I'm entirely new to GLSL. Where can I learn more about this and get around this error.
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Re: Particle Flowfields

Postby nettoyeur » Fri Feb 03, 2017 9:22 am

The shaders in this example are written in GLSL 4.00 and 4.50.
Your Radeon Pro 460 card can support GLSL 4.50, but I'm taking a wild guess that you are using a mac? MacOS only supports GLSL 3.30.

Coincidentally I converted this example to GLSL 3.30 for another mac user last week, see my post here and try that: viewtopic.php?f=27&t=9798#p37082
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Re: Particle Flowfields

Postby ulyssesp » Mon Feb 06, 2017 12:57 am

Thanks so much for the shared tox - it looks beautiful and it's super fast!

Updated it so that each particle leaves a trail behind it. The trails are created by connecting the positions texture to a Texture 3D TOP and rendered in the vertex shader similarly to the current positions. It's especially useful for VR particle systems.
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3d_trail.tox
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Re: Particle Flowfields

Postby Orquesm » Wed Mar 13, 2019 10:43 am

very cool
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Re: Particle Flowfields

Postby ruvidan » Sun Mar 17, 2019 6:06 pm

This looks amazing. I'm trying to understand what's happening. Is there a way I can connect my mouse to adjust where the particle is moving instead of having it randomly move?
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Re: Particle Flowfields

Postby ruvidan » Sun Mar 17, 2019 8:31 pm

Or actually. I think I figured out how to change positions by adjusting the finalGeo SOP. But my question is how ot change the direction of the wind? Right now, it's always pulling to the right. How would one be able to make it pull down towards the bottom instead? THanks so much!
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