Ultra high quality and high performance pre-computed shadow masks allow offline processing of static light interactions, while retaining fully dynamic specular lighting and reflections.Dynamic branching is then used to refine shadow coverage in penumbra regions. Shadow buffer filtering takes samples on a jittered disc that are rotated per-pixel to detect shadow penumbras. Dynamic characters casting dynamic soft shadows on the scene using shadow buffers.Dynamic stencil buffered shadow volumes supporting fully dynamic, moving light sources casting accurate shadows on all objects in the scene.Unreal Engine 3 provides full support for four shadowing techniques: Support for all modern per-pixel lighting and rendering techniques including normal mapped, parameterized Phong lighting custom artist controlled per material lighting models including anisotropic effects virtual displacement mapping light attenuation functions pre-computed shadow masks directional light maps and pre-computed bump-granularity self-shadowing using spherical harmonic maps.The gamma-correct, linear color space renderer provides for immaculate color precision while supporting a wide range of post processing effects such as light blooms, lenticular halos, and depth-of-field. 64-bit color High Dynamic Range rendering pipeline.Every aspect of the Unreal Engine has been designed with ease of content creation and programming in mind, with the goal of putting as much power as possible in the hands of artists and designers to develop assets in a visual environment with minimal programmer assistance and to give programmers a highly modular, scalable and extensible framework for building, testing, and shipping games in a wide range of genres.
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