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.