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Question Dot pattern as UI image

Discussion in 'Shader Graph' started by Finijumper, Sep 20, 2023.

  1. Finijumper

    Finijumper

    Joined:
    Jul 12, 2016
    Posts:
    75
    Hi,

    I am trying to create a similar pattern to this as a UI shader effect.
    upload_2023-9-20_20-56-33.png

    The main issue is that I think I need to get the rect scale inside the sader and I don't think Unity natively supports that.

    Is it possible to achieve this effect procedurally? I think there is some new UI shadergraph integradion with newer versions of Unity but not sure if what I want can still be achieved.
    @FredMoreau
     
    Finijumper, Sep 20, 2023
    #1

  2. FredMoreau

    FredMoreau

    Unity Technologies

    Joined:
    May 27, 2019
    Posts:
    96
    Hi @Finijumper,

    It seems you're using the Dots pattern, which doesn't have UV input. But if you double click on that node, since it's a Subgraph, you can go and copy/paste its content.

    Screenshot 2023-09-26 at 3.03.26 PM.png

    You can then use a Position node, along with an Object node to get the bounds and do some math, depending if you want a constant screen density, or something that scale with the Canvas.

    Screenshot 2023-09-26 at 3.18.29 PM.png

    Screenshot 2023-09-26 at 3.24.13 PM.png

    Hope this helps.
     
    FredMoreau, Sep 26, 2023
    #2
    Finijumper likes this.

  3. Finijumper

    Finijumper

    Joined:
    Jul 12, 2016
    Posts:
    75
    Hi @FredMoreau , thanks for your reply.

    The image I shared is from Photoshop. Where can I get the Dots pattern in your screenshots?
     
    Finijumper, Sep 26, 2023
    #3

  4. FredMoreau

    FredMoreau

    Unity Technologies

    Joined:
    May 27, 2019
    Posts:
    96
    It's part of ShaderGraph's "Procedural Patterns" Sample, that you can install from the Package Manager.
    Once installed, you'll find it under /Patterns/Simple/Dots.

    Screenshot 2023-09-27 at 11.10.42 AM.png
     
    FredMoreau, Sep 27, 2023
    #4
    Finijumper likes this.