VaM 1.x Trigger to modify alpha

pingox · Sunday at 6:29 AM

I am conducting some experiments to use with passthrough and cannot find the option to change the alpha of atoms (such as a chair, for example).

During the scene, I want there to be a button or slider to hide or show a chair, but I want to keep the physical properties of the chair even if it is not visible, so I think setting the alpha to zero is the option, but I want to do it through a trigger. Is this possible?

I could do it through atomControl / toggleOn, but then I lose the collision.

Thank you.

RunRudolf · Sunday at 6:54 AM

Hi, you can do this with a UIToggle by manipulating the hideMaterial property of each material of the object. In the example of an AptChair (2 materials for the main seat and the legs) it looks like this:

pingox · Sunday at 7:11 AM

Thanks! Don't work for my kind of atom.
This chair must be another type of atom. Mine in this case is a simple cube, and I just noticed that I don't have that ‘material -> hide’ option.

I also tried setting the atom's alpha to zero using the timeline, but it conflicts with the other animations I have in the scene. I don't know if it's possible to create a new instance of the timeline, but I don't know how to do it.

RunRudolf · Sunday at 7:48 AM

pingox said:
Thanks! Don't work for my kind of atom.
This chair must be another type of atom. Mine in this case is a simple cube, and I just noticed that I don't have that ‘material -> hide’ option.

I also tried setting the atom's alpha to zero using the timeline, but it conflicts with the other animations I have in the scene. I don't know if it's possible to create a new instance of the timeline, but I don't know how to do it.

I do see the hideMaterial property for a simple cube and I can manipulate it with a toggle as described above.

In case of the simple shapes, you can also access the alpha value:

pingox · Sunday at 8:00 AM

Thank you, that's right.
(I got stuck looking for the ‘Material’ option on the receiver and didn't even open ‘cubeMat’, which is the same thing).

I didn't use C.U.A. (chair) because they didn't have the alpha option to change manually during passthrough, and I was using basic cubes. But now I see there's a way around it.

Thank you.

VaM 1.x Trigger to modify alpha

pingox

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