Multiple viewers in 1 page

[Nicat]

Hello,
I'm trying to change scenes via js,

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viewer.story.loadScene(c);

used this, then this

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viewer.story.sceneUid = c;

all changing scene actions changing in all Forge.viewer elements.
So my question: when u have multiple elements in one page, is there any other methods for changing scene?
which will not affect to other viewers

My test code:
https://codepen.io/Nodelines/pen/GmRNYJ

[rroux]

Hi Nicat,

In fact we did not test this case, so thank you very much for this very clear sample!
I will make multi instances tests as soon as possible.
I'll try to get back to you with an answer during next week.

Did you tried with the non minified code and break points, any clues?

Have a nice week end!

[Nicat]

So i found out FORGE.BackgroundShaderRenderer._mesh.material.uniforms a same for both viewers, cus they linked with

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this._viewer.renderer.view.current.shaderSTW

, so when changing texture in other viewer changes too, so i cloned this with

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var shaderSTW = JSON.parse(JSON.stringify(this._viewer.renderer.view.current.shaderSTW));

and now works perfect

[rroux]

Hi Nicat,

thank you very much for your investigation!
I'll try to push a fix next week based on your informations

Have a nice week end!

[rroux]

Hi Nicat,

I still working on the multiple instances case, because it does not affects only the shaders, it also affects plugins for example.
That's why there's no fix for multiple viewers in the 0.9.2 release.
I'll tell you when my fix will be in the master!

Have a nice day!

[rroux]

Hey, I have a pull request for the multiple instance case if want to test it!
https://github.com/gopro/forgejs/pull/59

[gwhiz]

Hey, I have a pull request for the multiple instance case if want to test it!
https://github.com/gopro/forgejs/pull/59

Hi, so can we have multiple viewers per page now? Is there a limit to the number ? Is there an issue having one viewer that is not displayed, but is running anyway?

[rroux]

Hi gwhiz,

We do not test how many Viewers you can have at the same time.
I know that you have to disable the history feature to make it work like in this example : https://github.com/gopro/forgejs-sample ... fig-0.json

I don't think that have an hidden Viewer running is a problem but we haven't tested it.

If you make some test you can provide feedback.

Have a nice day!

[Evarot]

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