[UE5] Translucent Shadow with Lumen - Unreal Engine 5.5
This video shows a clever trick to get more realistic translucent shadows in Unreal Engine with Lumen + VSM. Since Lumen doesn’t support proper translucent shadow colors, the usual method, using "Cast Dynamic Shadow as Masked", makes shadows look too solid and unnatural.
In this tutorial you'll find out how to fake the translucent shadow/caustic effect with a trick that allows you to control the shadow’s intensity, being adaptable to a dynamic lighting scenario.
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00:00 Intro
00:23 Glass Material
00:48 Enable Shadow Mask
01:13 Dither Temporal AA
01:50 Shadow Pass - Dither Temporal AA
02:27 Testing Material Shadow Opacity
02:46 Fixing Problems
03:15 Spot Lights Caustic
03:30 Final