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tweak some cloud lighting a bit. also tweak VL biome fog a little

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Xonk
2023-06-08 18:44:09 -04:00
parent cf56275230
commit 3cda692d97
7 changed files with 31 additions and 28 deletions
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14
shaders/lib/volumetricFog.glsl
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@ -78,6 +78,12 @@ vec4 getVolumetricRays(
vec3 sunColor = lightCol.rgb / 80.0;
vec3 skyCol0 = AmbientColor / 150. * 5.; // * max(abs(WsunVec.y)/150.0,0.);
#ifdef Biome_specific_environment
// recolor change sun and sky color to some color, but make sure luminance is preserved.
BiomeFogColor(sunColor);
BiomeFogColor(skyCol0);
#endif
vec3 rC = vec3(fog_coefficientRayleighR*1e-6, fog_coefficientRayleighG*1e-5, fog_coefficientRayleighB*1e-5);
vec3 mC = vec3(fog_coefficientMieR*1e-6, fog_coefficientMieG*1e-6, fog_coefficientMieB*1e-6);
@ -126,15 +132,9 @@ vec4 getVolumetricRays(
// extra fog effects
vec3 rainRays = (sunColor*sh) * (rayL*phaseg(SdotV,0.5)) * clamp(pow(WsunVec.y,5)*2,0.0,1) * rainStrength * RainFog_amount;
vec3 CaveRays = (sunColor*sh) * phaseg(SdotV,0.7) * 0.001 * (1.0 - max(eyeBrightnessSmooth.y,0)/240.);
// vec3 RAAAAY = (sunColor*sh) * (rayL*phaseg(SdotV,0.5)) ;
vec3 vL0 = (DirectLight + AmbientLight + AtmosphericFog + rainRays) * max(eyeBrightnessSmooth.y,0)/240. + CaveRays ;
#ifdef Biome_specific_environment
BiomeFogColor(vL0); // ?????
#endif
vL += (vL0 - vL0 * exp(-(rL+m)*dd*dL)) / ((rL+m)+0.00000001)*absorbance;
absorbance *= dot(clamp(exp(-(rL+m)*dd*dL),0.0,1.0), vec3(0.333333));
}