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  • Hi Ashley, there are some Javascript physics libraries that should work well when integrated with Lens Studio. This is an area we want to investigate more. That said, it's worth checking out the following:



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  • Hello,

    Few weeks ago, I would like to see if integrating physics into Lens Studio was possible, I looked for a very simple physics engine library on internet and found "Verlet-JS". I succeeded to integrate it to Lens Studio (with a bit of rewriting code), and it works pretty well ! (to make simple things like moving earings for exemple)

    It's a 2D engine, but I think it should be the same for a 3D one (but modify the code to have no compilation error is a bit time-consuming...)

    But it could be so cool if the Lens Studio Team could add their own physics component into Lens Studio !!!

    Have fun !

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  • Hi,


    Awesome! These are what I was going to look into.

    Going to have a play around this week :)


    Thanks for the heads up!

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  • Hi,


    Do you have any examples or a version of cannon.js that has been modified for Lens Studio?



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  • Ha ha, I'm currently trying to integrate it  ;-)

    It seems to have some issues because of "Y up" in LensStudio and "Z up" in CannonJS...


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  • haha amazing, what did you modify in the JS?

    I can't even get it imported...

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  • I just get it working !

    Just import the Cannon.js that is in the "build" folder.

    Don't modify anything in the code, and don't use the Cannon_Demo.js as it use Three library for rendering and we don't need it because the rendering is made directly by LensStudio.

    I started with the exemple code provided in the main GitHub page, and comment the last part (the simulation part).

    Then you have to create a new script that is "FrameUpdated", and write the simuation stuff inside (world.step() )

    Finaly you just have to create a new 3D object for each cannonJS object (a new sphere for a sphereBody, a new plane for a planeBody etc...) and in your "FrameUpdated" script, write some code to connect each of their transform to the corresponding cannonJS object transform(in a simpler way, the position of the LensStudio's sphere is driven by the position of the Cannon's sphere)


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  • you genius!

    I made the mistake of not having both scripts set to initialised.

    I've got it working now as well but I'm having the Y up issues.

    I tried changing the gravity but the sphere falls through the plane...

    any tips?

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  • Put every objects in an parent object that is rotated -90 degrees in x axis and work with local transform, not world transform 😜

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  • absolute genius haha!

    Thanks for the help on this one!

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  • I imported Cannon.js as they said, but it still gives an error "17:21:54 ReferenceError: identifier 'CANNON' undefined
    at [anon] (Script:1) preventsyield"

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