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Overview

Ray traced shadows calculate the path of individual light rays from their source (the light) to their destination.

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Table of Contents
maxLevel3
minLevel2

 SVO Ray Traced Sun Shadows

This feature can be considered as an alternative for cached shadow maps.

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The drawback is the shadows are too soft in some cases mainly because softness depends from resolution of voxels.

Implementation

To turn this feature on, go to Level Settings -> Total Illumination V2 and switch on Shadows from Sun.

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This mask is then combined with rest of the shadows. When not using this feature, the clouds shadow pass is used for that. 

Ray Traced Shadows from Terrain Heightmap

This feature allows shadow casting from the entire height map, even at a distance of 8 km.

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Shadows are generated at a low screen resolution and then up-scaled using the SVOGI dual depth up-scale system.

Implementation

To turn this feature on, go to Level Settings -> Total Illumination V2 and switch on Shadows from Heightmap.

Info

This will only have any effect if Shadows From Sun (see above) is also turned on.

CVars

Cvar/Command
Description
e_svoTI_ShadowsFromHeightmap Can be used to temporary disable/enable the feature