First Look at Unreal 5 Engine

Epic just announced a first look at the Unreal 5 Engine that is scheduled for release in 2021. The current major version 4 is free for use, and has gained popularity for architectural visualization, games, and real-time graphics. Nanite and Lumen are two key technologies allowing billions of polygons to be imported directly into the engine.

Nanite virtualized micropolygon geometry frees artists to create as much geometric detail as the eye can see. Nanite virtualized geometry means that film-quality source art comprising hundreds of millions or billions of polygons can be imported directly into Unreal Engine—anything from ZBrush sculpts to photogrammetry scans to CAD data—and it just works. Nanite geometry is streamed and scaled in real time so there are no more polygon count budgets, polygon memory budgets, or draw count budgets; there is no need to bake details to normal maps or manually author LODs; and there is no loss in quality.

Lumen is a fully dynamic global illumination solution that immediately reacts to scene and light changes. The system renders diffuse interreflection with infinite bounces and indirect specular reflections in huge, detailed environments, at scales ranging from kilometers to millimeters. Artists and designers can create more dynamic scenes using Lumen, for example, changing the sun angle for time of day, turning on a flashlight, or blowing a hole in the ceiling, and indirect lighting will adapt accordingly. Lumen erases the need to wait for lightmap bakes to finish and to author light map UVs—a huge time savings when an artist can move a light inside the Unreal Editor and lighting looks the same as when the game is run on console.

Screenshot: Courtesy of Epic

Unreal Engine 5 will be available in preview in early 2021, and in full release late in 2021, supporting next-generation consoles, current-generation consoles, PC, Mac, iOS, and Android. Epic is designing for forward compatibility, so you can get started with next-gen development now in UE4 and move your projects to UE5 when ready. 

https://www.unrealengine.com/en-US/blog/a-first-look-at-unreal-engine-5

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