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New FeaturesVolumetric Lightmaps
The new Volumetric Lightmaps enable high quality lighting on movable objects from low cost precomputed lighting! Characters, particle systems, instanced foliage, and other dynamic objects appear more grounded to the environment than ever before.
Precomputed lighting on Volumetric Fog
Volumetric Fog now interpolates precomputed lighting to its position in space using Volumetric Lightmaps enabling Stationary lights - which have their indirect lighting stored in lightmaps - to affect fog. Static and Emissive lights affect fog without costing anything, since they're all merged into the Volumetric Lightmap.
Improved Static Skylight Directionality
Skylights used to be represented to Lightmass with a third order Spherical Harmonic, which didn't capture the detail present in a sunrise or sunset. We are now using a filtered cubemap with much higher resolution by default.
Multi-bounce Indirect Lighting from Skylights
We now have support for multiple indirect lighting bounces from static and stationary Skylights through a new 'Num Sky Lighting Bounces' setting in World Settings -> Lightmass.
Apple ARKit iOS 11 Support
Unreal Engine 4.18 includes production-ready support for Apple's ARKit in iOS11 based on our collaborations with partners for Apple's keynote announcing the iPhone 8 and iPhone X.
Improved Physics Asset Editor
The Physics Asset Editor (formerly known as PhAT) has been completely overhauled to significantly improve usability and expand functionality!
Click here to see the other additional features!
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