Layer Stacking With "Multiply"
  • bloomfieldtony412
    junior Member
    Posts: 5
    Joined: Mon Oct 01, 2018 10:48 pm

    Layer Stacking With "Multiply"

    by bloomfieldtony412 » Mon Aug 19, 2019 8:39 pm

    Hi,

    I'm interested in overlaying a material quad with blend mode set to Multiply such that it affects some layers under it, but not all. For example:

    Layer 1 (top layer): Cubic Circles material
    Layer 2: Video of grass slowly blowing in wind
    Layer 3: Video of underwater footage

    I would like the Cubic Circles material to "cut out" pieces of the grass video, but not the underwater footage.

    I feel like there should be a way to do this, but can't figure it out. Any ideas?

    Thanks,

    T
  • jasonbeyers
    member
    Posts: 33
    Joined: Mon Oct 08, 2018 7:16 am

    Re: Layer Stacking With "Multiply"

    by jasonbeyers » Tue Aug 20, 2019 8:38 am

    Have been wondering the same thing!

    What about this surface order, for your example:
    1. Underwater footage, "Add" blend mode
    2. Cubic circles material, "Multiply" blend mode
    3. Grass footage, "Add" or "Over" blend mode

    This approach seems to work when I try it, but I'm not sure if there is a better / alternate way.
  • bloomfieldtony412
    junior Member
    Posts: 5
    Joined: Mon Oct 01, 2018 10:48 pm

    Re: Layer Stacking With "Multiply"

    by bloomfieldtony412 » Wed Aug 21, 2019 5:06 am

    What about this surface order, for your example:
    1. Underwater footage, "Add" blend mode
    2. Cubic circles material, "Multiply" blend mode
    3. Grass footage, "Add" or "Over" blend mode
    Nice, just gave it a shot, and yeah, that does seem to do it! I figured there would likely be a way, I think I'm just so used to stacking layers/masks in photo shop, it threw me off.

    Thanks!

    T
  • mad-matt
    garageCube team
    Posts: 887
    Joined: Mon Sep 09, 2013 5:50 pm

    Re: Layer Stacking With "Multiply"

    by mad-matt » Thu Aug 22, 2019 1:56 pm

    You can also mask part of your layer in multiply mode using a quad mask.

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