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3D Modeling News from the Web

3D Modeling and 3D Design News from the good 'ol internet

Unreal Engine 5 preview with almost unlimited geometry and real time GI

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Epic has released the first public demo of Unreal Engine 5, demonstrating some of the impressive technology we can expect from next year’s release. The two headline features shown in the demo, which is running on a Playstation 5 are Nanite, which promises an end to polygon budgets, draw calls, and LODs; and Lumen, a new real-time fully dynamic global illumination solution.


According to Epic, Nanite creates “virtualized micropolygon geometry” to allow the engine to render potentially huge polygons. Epic claims that users will be able to import assets that are “film-quality […] each with hundreds of millions or billions of polygons. […] 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 promises fully dynamic global illumination to renders “diffuse interreflection with infinite bounces and indirect specular reflections in huge, detailed environments, at scales ranging from kilometres to millimetres.[..] Lumen erases the need to wait for lightmap bakes to finish and to author light map UVs—a huge time saving when an artist can move a light inside the Unreal Editor and lighting looks the same as when the game is run on console.”


The demo also shows several features already available in Unreal Engine 4.25, including Niagara VFX improvements, Chaos physics and destruction, animation system enhancements, and audio features.


A beta of Unreal Engine 5 is expected in early 2021, with a full release later that year. Find out more on Epic’s blog.


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