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fix more TAAU shenanigans in the nether

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Xonk
2023-06-11 17:28:54 -04:00
parent 0171b41502
commit 432674bc59
7 changed files with 45 additions and 45 deletions
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19
shaders/lib/volumetricClouds.glsl
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@ -111,7 +111,7 @@ float GetAltostratusDensity(vec3 pos){
float shape = (small + pow((1.0-large),2.0))/2.0;
float Coverage; float Density;
DailyWeather_Alto(Coverage,Density);
DailyWeather_Alto(Coverage, Density);
shape = pow(max(shape + Coverage - 0.5,0.0),2.0);
shape *= Density;
@ -142,12 +142,14 @@ vec3 Cloud_lighting(
float lesspowder = powder*0.4+0.6;
vec3 skyLighting = SkyColors;
vec3 skyLighting = SkyColors; // skyLighting = vec3(0.0);
#ifdef Altostratus
float Coverage = 0.0; float Density = 0.0;
DailyWeather_Alto(Coverage,Density);
skyLighting += sunContributionMulti * exp(-SunShadowing) * clamp((1.0 - abs(pow(Density*4.0 - 1.1,4.0))) * Coverage,0,1) ;
/// a special conditon where scattered light exiting altocumulus clouds come down onto the cumulus clouds below.
float cov = 0.0;
float den = 0.0;
DailyWeather_Alto(cov, den);
skyLighting += (sunContributionMulti * exp(-SunShadowing)) * clamp( 1.0 - pow( abs(den - 0.35) * 4.0 , 5.0) ,0.0,1.0) * cov;
#endif
skyLighting *= exp(SkyShadowing * AmbientShadow * coeeff/2.0 ) * lesspowder ;
@ -164,6 +166,7 @@ vec3 Cloud_lighting(
vec3 moonLighting = exp(MoonShadowing * coeeff/4 + powder) * moonContribution;
return skyLighting + moonLighting + sunLighting ;
// return skyLighting;
}
@ -371,10 +374,10 @@ float GetCloudShadow_VLFOG(vec3 WorldPos){
float shadow = 0.0;
// assume a flat layer of cloud, and stretch the sampled density along the sunvector, starting from some vertical layer in the cloud.
// #ifdef Cumulus
#ifdef Cumulus
vec3 lowShadowStart = WorldPos + WsunVec/abs(WsunVec.y) * max((MaxCumulusHeight - 60) - WorldPos.y,0.0) ;
shadow += GetCumulusDensity(lowShadowStart,0)*Cumulus_density;
// #endif
#endif
#ifdef Altostratus
vec3 highShadowStart = WorldPos + WsunVec/abs(WsunVec.y) * max(AltostratusHeight - WorldPos.y,0.0);
@ -383,7 +386,7 @@ float GetCloudShadow_VLFOG(vec3 WorldPos){
// shadow = shadow/2.0; // perhaps i should average the 2 shadows being added....
shadow = clamp(exp(-shadow*255.0),0.0,1.0);
shadow = clamp(exp(-shadow*35.0),0.0,1.0);
// do not allow it to exist above the lowest cloud plane
// shadow *= clamp(((MaxCumulusHeight + CumulusHeight)*0.435 - WorldPos.y)/100,0.0,1.0) ;