Red Giant Particular - Major basic problem

[Jonas DK]

Hi guys,

All I do is:
- Set gravity to 1000
- Make a 3D ground layer and set bounce on that layer.

All the particles slides infinitely outwards when they hit the ground.

This didn't happen in the last big version og Particular.

Please help. See video.

[Jonas DK]

He is a video of the problem

[Jonas DK]

OMG how do u edit your posts? 😛 Accidently captured the video in 1280x720 - so its hard to see whats going on. Sorry!

Just scroll to the end and se the issue. 🙂

[Ali Jaber]

Gravity force of 1000 is very high, if you want your particles to bounce try something between 50 -100

[Jonas DK]

I know but i still fails at lower gravity settings. And the old Particular could easily bounce with high gravity settings.

[Mylenium]

The slowness of the preview suggests that you may be using advanced options or a fluid/ air simulation type. You may need to check the editor and tweak the physics.

Mylenium

[Jonas DK]

But thats the thing  - i havcen't touched anything. I just set gravitty and bounce. Itn't that odd?

I will try to uninstall and reinstall...

[Jonas DK]

Tried the old version (15) - and in the bounce setting I could turn slide to 0 - and the sliding stopped. Great! 

Then tried installing the new version (16) again - failed. The "slide fristion 1" option under bounce is greyed out and is set to 80 by default. 

So it is turned on - but in the new version i can't turn it of. Why??? 🙂

 

[Ali Jaber]

Looks like it's a restriction in the new version, you can either select Bounce or Slide in the collision event:

Tried to add the same layer or a duplicated layer in "Bounce 2" while setting "Bounce 1" to bounce and "Bounce 2" to slide. I was trying to control the bounciness using a layer and the slide using another but that didn't work. As I said, it looks like a restriction in this version.

[Jonas DK]

If its a bug its been there ever since the new version came - and it seems you have it too. That's kind of incredible - because then every kind of particles using a floor is bugged to an extend where it is completely useless. 😞

[Mylenium]

You will have to ask Red Giant about the matter. Could be a simple oversight on their part, given that the engine seems to be in a constant state of flux lately and things change from version to version.

Mylenium

[Jonas DK]

I had this bug for a long time now - ever since the new version (16) came out - and it seems other people have it too,. If thats true. That's kind of incredible - because then every kind of particles using a floor is bugged to an extend where it is completely useless. 😞

[Jonas DK]

"A simple oversight on their part". Its a game changer and a deal breaker. Everything involving a floor is useless in the current state and old projects migrated to the new will break 100%. They have broken Particular. 😞

And the engine is not in constant state of flux - because it has been like this ever since they relreased it a long time ago.

[Jonas DK]

And one last thing - Red Giant have not responded to my ticket - and its been like 2 months. Nothing. 😞

[ShiveringCactus]

I'm surprised by that, Red Giant have responded to me quite quickly.  The After Effects Reddit forum has active Red Ginat employees, you could try there, but I suspect ali_jaber is correct that this is a code change.

this page lists the updates, but the change log links didn't work for me: https://www.redgiant.com/support/installers/updates/trapcode-particular/

[Jonas DK]

Thanks! I will try there 🙂

[Jonas DK]

None of the updates have floor that works...

[Harry Frank]

Hey there!

It sounds like we are talking about two different issues here. First, the issue with the particles sliding off the plane as if it is infinite is because the behavior defaults to "Infinite Plane". So, it's treated as if it goes forever in all directions, even though it doesn't. I've never been a fan of this been the default setting, but that is how it is and how it's been as long as I can remember.

Now, I'll have to dig up an old version of Particular, as I cannot remember bounce and friction working together in previous versions.

[Harry Frank]

Also, looking at your setup (which I think support shared with me) what you are looking for is Air Resistance. 

Particular now has per particle physics, so each particle has its own mass and air resistance. I agree that some sort of floor friction would probably make sense here, in the bounce section. But, thinking like an engineer, I could see the idea that this is really a duplicate of what air resistance is doing over time. I'll make sure this all gets in front of the PM to evaluate the UX on how this is presented, as I agree it could use some refining.

[Jonas DK]

And Harry,

Are you part of the Red Giant team?? 😄 

I don't see the logic in a particle never stopping. And if you saying that all particles now are governed by air - then how do you make the particles stop? 🙂

[ShiveringCactus]

I can see Harry's point.  The floor is a deflector/object and by having a separate resistance to the air means you could be in a situation where you are pouring particles into "water" and then they react differently when they hit the bottom to how they do when in the medium.  

But I also see your point about why change it.  I know there's a lot of cool dynamics simulation stuff in the later versions [sob, I only have v4], so it floor resistance was probably removed to avoid physics conflicts.

[Jonas DK]

Hi Harry 🙂
Setting the plane to "infinite" only affects the area of the "floor" - not the actual movement/slide of the particles. I am very pretty of this.