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Supress shadow flickering

I have implemented sun movement in a similar way to the "Survival Game", using a movable directional light. However I find that updating the light direction at tick speed results in annoying rapidly flickering shadows. I have sort of cured this by reducing the updates to 2Hz frequency. However I'm wondering if you have a way to merge between less frequently updated shadow patterns, so as to get a smooth evolution of the shadows without flickering.

Thinking this could maybe be done using 2 directional lights with lerped intensities, though having 2 might cause some grief to the sky sphere.

Product Version: UE 4.10
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asked Jan 24 '16 at 10:53 AM in C++ Programming

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drhugh
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avatar image cancel Jan 24 '16 at 02:50 PM

Have you tried increasing the bias on the shadows?

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