orient poptool regarding face normals

[Julien Duchet]

hello alexandre, 

after following your academy session, i'm stuck with one littel issue, and seems not to find the solution in the whole academy training session

here is the scene situation : 

do you know where i should look for , to get the proper orientation ? 

i looked into the poptool 

and also found something regarding the adapt orientation behavior, but can't properly tune them to get what i want. 

also using look at is not as precise as the normal orientation as some characters are not correctly aligned with the seat. 

thanks for your help

[Alexandre Pillon]

Hi,

Usually we map a locator to the look at attribute of the popTool. Nicolas is showing it here: https://youtu.be/07a-OJ57h1w?t=1271 After mapping the locator, move it to get the best average orientation possible.

You can also adjust some slots orientation manually if there are not too many for which the lookAt orientation is not good enough.  

(are you speaking about the lookAt behavior or this lookAt attribute of the popTool?). 

I think that if you want better orientation, you need to script the popTool creation by getting the seat position and normal at this position, but isn't it overkill?

Cheers,

Alex

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[Julien Duchet]

thanks Alexandre for this very fast answer... 

yeah i tried the lookAt attribute of the poptool paired with a locator, but I guess my control freak behavior decided it wasn't "clean" enough... :p 

i guess i'll have to go with this, as it is mostly well oriented, and as i'm not confident enough with my pop tool scripting skills...

thanks a lot again for this very fast answer !

merci ;)

[Nicolas Chaverou]

Hey Julien

Are the seats all separate Maya objects the entities could read orientation from ?

I just added direction support when doing per component placing in the popTool. This will be avail in 7.3.11 I believe

Best,

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[julien duchet]

hi nico, 

thanks to jump in on this topic. 

they are not i my scene, but that is something totally do-able on a specific object made for the pop tool .

having the direction support would be a great addition on the pop tool indeed. 

i guess it will be the local orientation from the object then, that will be taken in consideration by your new direction support, right ? 

on another note ( maybe i should create a new thread here for the rest of the audience... ) , i'm trying to get a forest, seen from far away, been "destroyed" by a beam of energy. 

the tree low rez have been setuped, and populate on a plane. 

i'm using a locator to trigger the impact action . trees have been physicalized, and a force behavior have been applied to the trees. and i then animate the locator , running through the forest to activate the force field. 

but nothing happen...

i did try with a static locator too, and with a time trigger just to be sure that my goalem graph was working... and still nothing. 

is it because force behavior need a motion behavior to get the velocity from the trees first and then apply the force on it ? 

how a force field can be applied to some rigid / statics pop objects ? 

thanks for your help. 

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[Nicolas Chaverou]

Hey,

See inlined below

On Wed, Apr 28, 2021 at 4:58 PM julien duchet <julien...@wanadoo.fr> wrote:

hi nico, 

thanks to jump in on this topic. 

they are not i my scene, but that is something totally do-able on a specific object made for the pop tool .

having the direction support would be a great addition on the pop tool indeed. 

i guess it will be the local orientation from the object then, that will be taken in consideration by your new direction support, right ? 

That's what the new feature is doing indeed :)

Will be available in 7.3.11

 

on another note ( maybe i should create a new thread here for the rest of the audience... ) , i'm trying to get a forest, seen from far away, been "destroyed" by a beam of energy. 

the tree low rez have been setuped, and populate on a plane. 

i'm using a locator to trigger the impact action . trees have been physicalized, and a force behavior have been applied to the trees. and i then animate the locator , running through the forest to activate the force field. 

but nothing happen...

i did try with a static locator too, and with a time trigger just to be sure that my goalem graph was working... and still nothing. 

is it because force behavior need a motion behavior to get the velocity from the trees first and then apply the force on it ? 

how a force field can be applied to some rigid / statics pop objects ? 

Yes making another thread makes it easier to follow what's answered, on hold, wip and also avoiding mixing different topics

I'll let check the following first and create another thread if you're not able to make it work your way

First some tutorials about the philosophy of the Physics behaviors

http://golaem.com/content/doc/golaem-crowd-documentation/physics-simulation

No motion required but you probably some issues with your Behavior Setup

usually when the behaviors are not doing what you expect them to, you can use the Visual Feedback tools

http://golaem.com/content/doc/golaem-crowd-documentation/simulation-troubleshooting

I'll let you check and let us know (in a new thread) if you need us to look at your scene :)

Best,

 

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