The direct-light + ambient-fill values produced by computeRamp for one solar altitude.
Ambient fill intensity scalar, 0..1.
Ambient/sky fill colour in linear RGB, each component 0..1.
Direct sun colour as a CSS #rrggbb string.
#rrggbb
Direct sun colour in linear RGB, each component 0..1.
Direct-light intensity scalar, 0..1.
The direct-light + ambient-fill values produced by computeRamp for one solar altitude.