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Strange shadows

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  • replied
    It also tends to happen when the light is parallel with the surface. You can do a degree reduce it by adjusting the surfaces.

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  • replied
    These artifacts are known as shadow acne. It's a common problem if you want to use fully dynamic light with UDK.
    What you can do is changing some .ini values. Something like DepthBias=0.036 / CSMSplitDepthBiasScale=1 will reduce artifacts. Different settings for soft shadows/shadow filtering can be helpful aswell.
    Altering the CSM (cascaded shadow maps) values for the DoninantDirectionalLightMovable might also improve the situation.

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  • replied
    stab in the dark

    Are your textures very small, maybe, like 128x?

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  • started a topic Strange shadows

    Strange shadows




    The only way to fix this is to build the light, but if I do that I no longer can do day/night cycles....
    So what is wrong?
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