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Code Issues 151 Wiki Activity

Light the volumetric clouds by the sun three times as brightly

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Hirek
2026-10-17 19:03:46 +02:00
parent 1152791e8c
commit 1eeb5013cb
1 changed files with 4 additions and 3 deletions
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7
shaders/clouds_march.comp
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@@ -26,9 +26,10 @@ layout(location = 6) uniform ivec2 rows;
// lowest elevation of the panorama (radians); its rows go with the square of the height, denser at the horizon
const float PANORAMA_LOW = -0.1;
// scales of the light of the clouds against the shading of the surfaces (light_common.glsl: SUN_DIFFUSE_SCALE, AMBIENT_SCALE),
// times the tuning of the debug window (weather_sun_color.w, weather_ambient.w). the sky light about as the shaded faces get it:
// more of it greys the shaded sides of the clouds into a flat pastel
const float CLOUD_SUN_SCALE = 1.5;
// times the tuning of the debug window (weather_sun_color.w, weather_ambient.w). the sunlight three times that of the sunlit faces,
// set by eye in the simulator: the sunlit sides of real cumulus are several times brighter than the sky around them. the sky light
// about as the shaded faces get it: more of it greys the shaded sides of the clouds into a flat pastel
const float CLOUD_SUN_SCALE = 4.5;
const float CLOUD_AMBIENT_SCALE = 0.6;
// the ground under the clouds lights their bases back with this share of the light falling on it
const float CLOUD_GROUND_ALBEDO = 0.2;