Environment

Interfaces

CelestialSite

Where in the world, and when in the year, the sky is being sampled.

CelestialState

DaylightKey

The lighting at one point of the palette's scalar. Every colour is linear and may exceed one.

DaylightPalette

Keys in ascending order of at, validated once. Build with createDaylightPalette.

DaylightState

One moment of the palette, written in place by resolveDaylight.

Functions

celestialStateAt

Convert a timestamp and an authored azimuth into sky state.

createCelestialState

createDaylightPalette

Sort and check the keys. Throws at construction, so a bad palette never reaches a frame.

createDaylightState

easeExposure

current moved toward target over dtSec, closing half the distance in stops every halfLifeSec.

moonIllumination

Visible fraction: new at 0/1, quarters at 0.25/0.75, full at 0.5.

resolveDaylight

The palette at at, into out. Past either end the nearest key holds.