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fix horizon cutoff not existing for sky elements such as sun/moon/rp sky

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Xonk
2023-12-22 16:28:14 -05:00
parent 3983939d2a
commit e2690204c5
2 changed files with 3 additions and 4 deletions
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4
shaders/lib/volumetricClouds.glsl
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@ -285,13 +285,13 @@ vec4 renderClouds(
if(max(progress_view.y - MaxHeight_1 + 50,0.0) < 1.0) directLight += Cumulus_density * 2.0 * GetCumulusDensity(progress_view + dV_Sun/abs(dV_Sun.y) * max((MaxHeight_1 - 30.0) - progress_view.y,0.0), 0, MinHeight_0, MaxHeight_0);
float upperLayerOcclusion = !isUpperLayer ? Cumulus_density * 2.0 * GetCumulusDensity(progress_view + vec3(0.0,1.0,0.0) * max((MaxHeight_1 - 30.0) - progress_view.y,0.0), 0, MinHeight_0, MaxHeight_0) : 0.0;
float skylightOcclusion = max(exp2((upperLayerOcclusion*upperLayerOcclusion) * -5), 0.75 + (1.0-distantfog)*0.25);
float skylightOcclusion = max(exp2((upperLayerOcclusion*upperLayerOcclusion) * -5), 0.5 + (1.0-distantfog)*0.5);
float skyScatter = clamp((CloudBaseHeights - 20 - progress_view.y) / 275.0,0.0,1.0);
vec3 Lighting = DoCloudLighting(muE, cumulus, SkyColor, skyScatter, directLight, directScattering, directMultiScattering, distantfog);
// a horrible approximation of direct light indirectly hitting the lower layer of clouds after scattering through/bouncing off the upper layer.
Lighting += sunIndirectScattering * skylightOcclusion * exp(-20.0 * pow(abs(upperLayerOcclusion - 0.3),2)) * exp((cumulus*cumulus) * -10.0) ; ;
Lighting = sunIndirectScattering * skylightOcclusion * exp(-20.0 * pow(abs(upperLayerOcclusion - 0.3),2)) * exp((cumulus*cumulus) * -10.0) ; ;
color += max(Lighting - Lighting*exp(-mult*muE),0.0) * total_extinction;