Time of Day is a package to render realistic dynamic sky domes with day and night cycle, realistic celestials, dynamic clouds and physically based atmospheric scattering.



Sky:

Physically based sky shading

Rayleigh & Mie scattering

Highly customizable

Sun and moon god rays

Aerial perspective



Lighting:

Full PBR & HDR support

Real-time ambient light

Real-time reflections



Clouds:

Physically based cloud shading

Semi-volumetric cloud layers

Dynamically batched cloud billboards

Adjustable wind speed & direction

Configurable coverage and shading

Correctly projected cloud shadows



Time & Location:

Dynamic day & night cycle

Adjustable time progression curve

Full longitude, latitude & time zone support

Full Gregorian calendar support

Realistic sun position

Realistic moon position and phase

Realistic star constellations



Performance & Requirements:

Extremely optimized shaders & scripts

Zero dynamic memory allocations

Supports shader model 2.0

Supports all platforms

Supports linear & gamma color space

Supports forward & deferred rendering

Supports HDR & LDR rendering

Supports virtual reality hardware

Supports single-pass stereo rendering


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