Mask and RenderingGroup don't work, rectangle and cube visible by two cameras not only one

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line : 371 and 377. Thanks <3 / PS : click on corner right for look code

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RenderingGroupId is not for camera visibility, it’s used to change the order of objects when they are rendered. As for the layerMask, to determine if a mesh is rendered by a camera, the operation done is a bitwise AND ( Bitwise AND (&) - JavaScript | MDN (mozilla.org)), (mesh.layerMask & this.activeCamera.layerMask) !== 0. Since your cube had layer mask of 3, which is 11 in binary, the bitwise AND with both cameras was returning 1:

  • 11 & 01 = 01, 01 != 0
  • 11 & 11 = 11, 11 != 0

As for the AdvancedDynamicTexture, the correct way of setting the layerMask there is advancedTexture.layer.layerMask = 1;.

EDIT: I think the docs can be clearer in what operation is being performed to determine visibility so I expanded upon it a bit Update layerMask docs by carolhmj · Pull Request #753 · BabylonJS/Documentation (github.com)

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This is always good for such a complex topic. Just remember that we also added with the help and expertise of @Evgeni_Popov

May be a link or a bit of reorganizing the content? FYI only,

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Oh it’s a great idea to add at least as a link! Thanks mawa :smiley:

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oh some much answers thanks, i read this :DDD yo mawa my savior haha