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How to update “screen space reflection / refraction” puzzle ?

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Viewing 8 posts - 1 through 8 (of 8 total)
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  • 2023-10-11 at 10:07 pm #67503
    NaxosCG
    Customer

    Hi guys !
    Is there anyway to “refresh” the “screen space reflection / refraction” puzzle ?
    A bit like the “Update Light Probe object(s)” puzzle.

    My problem is that i need to “append” different scenes into the main one, and the “screen space reflection / refraction” does not work on appened scenes, only works on objects (i mean materials) that are already present at main app start.

    Question can be asked a different way :
    Does the “screen space reflection / refraction” works like Light probe, and so does it “prefigures” the objects around the reflective object when the app starts, then needs to be updated if any change ?

    To simplify : I have a main scene with only cameras, lights, backgrounds, and i append Billards tables scene, depending on the user’s choice, and some of the billards table’s feet are metal, chrome and brushed inox, so i’ll need reflections.

    One told me here that i could have an object to be reflected (floor for ex) then hide it, the light probe / reflection plane would be still there. But how to do so with “screen space reflection / refraction” puzzle, not light probe / reflection plane probe.

    Many thanks

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    "1+1=3... for large values of 1"

    2023-10-11 at 10:20 pm #67506
    kdv
    Participant
    NaxosCG wrote:

    Does the “screen space reflection / refraction” works like Light probe?

    No.

    NaxosCG wrote:

    way to “refresh” the “screen space reflection / refraction” puzzle

    Re-create the SSR pass after every appended scene

    Puzzles and JS. Fast and expensive.

    If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of meaning at all.

    2023-10-11 at 10:32 pm #67508
    NaxosCG
    Customer

    Ok, i see, so i remove the post effect, then reset it on, it will refresh itself.
    This is a game changer, specially for my mini soccer tables and billards.

    Thanks !

    "1+1=3... for large values of 1"

    2023-10-11 at 10:34 pm #67509
    NaxosCG
    Customer

    Also, will i be able to have an object that is seen in reflections, but then is hidden ?

    The “screen space reflection / refraction” is a “one shot” system ?

    Or maybe there is a way to setup a USD / Physical shader that is seen in reflections, but not by camera ? Like i’d do with vRay / Corona.

    "1+1=3... for large values of 1"

    2023-10-11 at 10:38 pm #67510
    kdv
    Participant

    Try and see.

    Puzzles and JS. Fast and expensive.

    If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of meaning at all.

    2023-10-11 at 10:39 pm #67511
    NaxosCG
    Customer
    kdv wrote:

    Try and see.

    Haha, you just “RTFM” me, like in old good days !!

    I will ;-)

    "1+1=3... for large values of 1"

    2023-10-12 at 9:20 am #67543
    NaxosCG
    Customer

    MMM, it does not work : when the object is hidden, it is no longer reflected.

    "1+1=3... for large values of 1"

    2023-10-12 at 9:23 am #67544
    kdv
    Participant

    You’ve seen. The SSR pass is updated every frame. That’s for dynamic reflections of objects visible on the screen. For static reflections use reflection probes.

    Puzzles and JS. Fast and expensive.

    If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of meaning at all.

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