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Particle position

Q and A about functionality and how to solve a special task for your application.

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chriss0212
Posts: 666
Joined: 18 Jan 2012, 20:56
Location: wuppertal
Contact:

Particle position

Post by chriss0212 » 28 Jun 2018, 17:02

Is it possible to get the positions from particles to connect objects to them which are NOT part of the particle system?

Greetings

Christian

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Dierk Ohlerich
Posts: 74
Joined: 10 Jul 2012, 09:01
Location: Hamburg, Germany

Re: Particle position

Post by Dierk Ohlerich » 02 Jul 2018, 09:16

Hi,

We do not provide nodes to read back particle positions.

6.01.00 will feature particle touch. The major limitation of this is that the collision detection will work only for spheres, independent of how the particles are drawn.

The particles are calculated in the GPU, and if the CPU wants to read the particle position back from the GPU this will cause a 2-3 frame delay, because the CPU is already sending commands for the next frame while the GPU is still busy drawing the current frame.

Attaching an object to a particle with the delay would look ugly. Particle touch also has a 2-3 frame delay, which is acceptable for interaction (actually, in interlace, this is a field delay).

-- Dierk
-- Dierk Ohlerich

chriss0212
Posts: 666
Joined: 18 Jan 2012, 20:56
Location: wuppertal
Contact:

Re: Particle position

Post by chriss0212 » 11 Jul 2018, 08:39

Hi Dierk

Thank your for the info!

Greetings

Christian

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