How to solve leverage (physics)? - Playground

[ian]

vau that's qul. solved problem
(which RaananW solve) (fixed ball problem) 

http://www.babylonjs-playground.com/#1UF7BM#22

[ian]

It will be qul to see how to get pivots values from bar meshes? Maybe someone is interesting.
It will be qul to see explantation of values or Documented 

mainPivot: new BABYLON.Vector3(0, 0.5, 0), 
connectedPivot: new BABYLON.Vector3(0, 0, 0), 
mainAxis: new BABYLON.Vector3(0, 1, 0),
connectedAxis: new BABYLON.Vector3(0, 1, 0)

 

[ian]

@RaananW if you like playground, you can download .babylon file and add it in your collection in documentation if you wish.

 

[ian]

On 8/31/2016 at 6:12 PM, Wingnut said:

Hi @ian.  I just "pinged" you, if you have notifications turned ON in the forum. 

Just use the '@' follow by a single character, and then a panel SHOULD open.  Keep typing more characters of the person's name, and soon, you will see the person's name in that panel.  Choose it, and you have put a "person tag" into your post.  For example @Deltakosh pinged @RaananW two posts above... so Raanan will visit if/when he has available time to read forum and help users.  I just pinged both of them. 

Meantime, you can get lesser-quality help from 4th-string helpers like me.  It's lousy help, but at least we are communicating.

Raanan once helped me get a beginner "train wheel simulator" scene working... after the physics plugin refactoring of last year.  I think it will help you with axles/pivots.

http://www.babylonjs-playground.com/#1ND6TH#5

I have been working-on YOUR test scene, too, mostly trying to find-out WHY the tile is not falling onto the top of the floor-box.  It sinks-in a small amount.  Not sure why.  Still testing... slowly.

http://www.babylonjs-playground.com/#1UF7BM#2

Sorry the help is so slow arriving.  Physics engines are not really part of BJS, but still we must try to improve the interface and docs for the interface to them. 

Same with exporters... not really part of BJS, but yes, it still is part of it.  "Connections" to physics engines and modeling software... are heavily-used and very important... but they are also difficult work. 

I worry that our two best physics people... rarely visit.  Did we over-workload them with too many questions/problems about physics?  Did they lose fun/happiness?  I hope not.  Meantime, we need more experts, you think?  I think so. 

Meantime, our friends/users lose confidence and happiness in BJS... with each physics and importer/exporter failure.  And they are unhappy when they can't find help/helpers.

I prefer that our friends be happy and speak well of BJS.  But keep in mind... the helpers are all volunteers and have RL issues to deal-with... perhaps LOTS of them.  Living on Earth is not always easy.    In fact, it rarely is.  heh.  I am here to TRY to help.

fixed second link
http://www.babylonjs-playground.com/#1UF7BM#17

[ian]

On 9/6/2016 at 4:06 PM, Wingnut said:

Ok guys, I'm still confused (normal).  In this demo... http://www.babylonjs-playground.com/#1UF7BM#2

...why is that darned blue tile laying below the ground... after tipping over?  Anyone have any ideas?  Surely I'm being dumb about something.

fixed link up 

http://www.babylonjs-playground.com/#1UF7BM#18

[ian]

On 9/6/2016 at 5:31 PM, RaananW said:

Yep, but it is apparently not enough

Look @ian , we are always happy to help! really, but you don't show us where you fail. you just show us a scene and present a question. We all showed you how to, but you never should us what really IS wrong.

So, here - http://www.babylonjs-playground.com/#1UF7BM#5 . This is working. and this was generally copied from a different example and modified to fit your needs. 

fixed url for showcase http://www.babylonjs-playground.com/#1UF7BM#21