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Babylon.js change object color from user list


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 i have a list of element populated form user database and i want to make  their 3d representation in webgl or babylon.js

I want to changing the object color depending to the user data from list

I mean to set color green for object were there id or name  are present in this list 

and set red for those absent 

How can i make this please ?

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You would set the material of the mesh with the one that has the right color.  I made a PG (playground) for you:

So, I made an array with only one mesh in it:

var redMeshes = ['ribbon']

Then if it was in that array I used a different material (line 80). So, since 'box' wasn't in the list it ended up a different colour.  There is a Set that can be used instead of an array ['ribbon'], but is perhaps more advanced.
edit: just re-read your question, so I got green/red backwards, but hopefully that makes sense.

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