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Shadow artefacts – suggestions

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  • 2024-08-01 at 12:34 am #76335
    adamabr
    Customer

    Hi, I have some shadow artefacts I’ve struggled to remove. (See the attached picture)

    I use a sun lamp. The ceiling is a separate object. Along the seam between the wall and the ceiling I can see light leaking through creating an unappealing effect.

    What settings would you suggest I play with?

    Thanks,
    Adam

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    2024-08-01 at 3:00 am #76337
    xeon
    Customer

    My guess is you have Ambient Occlusion turned on? If so try turning it off and see if the artifacts are still there.

    Xeon
    Route 66 Digital
    Interactive Solutions - https://www.r66d.com
    Tutorials - https://www.xeons3dlab.com

    2024-08-01 at 4:43 pm #76341
    kdv
    Participant
    adamabr wrote:

    What settings would you suggest I play with?

    shadow map resolution, scale bias, blur radius

    Puzzles and JS coding. 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 the meaning at all.

    2024-08-01 at 8:58 pm #76348
    adamabr
    Customer

    Thanks for the suggestions Xeon and kvd!

    What I found:
    – AO did not affect the light leaks.
    – Changing the Sun lamp’s “Max Distance” from 200m to 40m (max distance I’d ever be away with the camera) Solved it! In general, the shadows seem more accurate.
    – Seems like best practice is to keep this as low as possible without causing other shadow issues such as the shadow not appearing when far away.
    – Another thing I have noticed is visible lines between cascades. Setting fade to 0 seems to fix this for me. Not sure what happens here but I’m happy I don’t see ugly lines all over.

    Thanks again,
    Adam

    2024-08-01 at 11:10 pm #76351
    xeon
    Customer

    glad its working for you :good:

    Xeon
    Route 66 Digital
    Interactive Solutions - https://www.r66d.com
    Tutorials - https://www.xeons3dlab.com

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