Time of Day

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 - Realtime ambient light - Realtime 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 Discussion | Demo | Documentation You can expect a thoroughly documented, well-written and highly optimized code base with references to the scientific papers it is based on.