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Unreal 3 Engine Features - visual features |
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作者：未知 来源：月光软件站 加入时间：2005-2-28 月光软件站 |
• 64-bit color High Dynamic Range rendering pipeline. 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.
• Support for all modern per-pixel lighting and rendering techniques including normal mapped, parameterized Phong
lighting; virtual displacement mapping; light attenuation functions; pre-computed shadow masks; and pre-computed
bump-granularity self-shadowing using spherical harmonic maps.
• Advanced Dynamic Shadowing. Unreal Engine 3 provides full support for three shadow techniques:
o Dynamic stencil buffered shadow volumes supporting fully dynamic, moving light sources casting accurate
shadows on all objects in the scene.
o Dynamic characters casting dynamic soft, fuzzy shadows on the scene using 16X-oversampled shadow buffers.
o 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.
• All of the supported shadow techniques are visually compatible and may be mixed freely at the artist's discretion, and may
be combined with colored attenuation functions enabling properly shadowed directional, spotlight, and projector lighting
effects.
• Powerful material system, enabling artists to create arbitrarily complex realtime shaders on-the-fly in a visual interface that
is comparable in power to the non-realtime functionality provided by Maya.
• The material framework is modular, so programmers can add not just new shader programs, but shader components which
artists can connect with other components on-the-fly, resulting in dynamic composition and compilation of shader code.
• Full support for seamlessly interconnected indoor and outdoor environments with dynamic per-pixel lighting and shadowing
supported everywhere.
• Artists can build terrain using a dynamically-deformable base height map extended by multiple layers of smoothly-blended
materials including displacement maps, normal maps and arbitrarily complex materials, dynamic LOD-based tessellation,
and vegetation layers with procedurally-placed meshes. Further, the terrain system supports artist-controlled layers of
procedural weathering, for example, grass and vegetation on the flat areas of terrain, rock on high slopes, and snow at the
peaks.
• Volumetric environmental effects including height fog and physically accurate distance fog.
• Extensible particle system with visual editor, supporting particle physics and environmental effects.
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