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removed the "cloud cradle" on the horizon. added fake rayleigh scattering for distant clouds. fixed issue where ambient SSS didnt adjust with ambient brightness. added some requested lights to .properties files. added a "original chocapic sky" misc option. removed stonger sunlight sky absorbtion. tweaked border fog and made it on by default

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Xonk
2023-12-31 16:51:35 -05:00
parent d6a83f300c
commit f47e212d86
11 changed files with 81 additions and 41 deletions
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15
shaders/lib/ROBOBO_sky.glsl
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@ -135,13 +135,22 @@ vec3 calculateAtmosphere(vec3 background, vec3 viewVector, vec3 upVector, vec3 s
vec3 stepTransmittance = exp2(-stepOpticalDepth * rLOG2);
vec3 stepTransmittedFraction = clamp01((stepTransmittance - 1.0) / -stepOpticalDepth) ;
vec3 stepScatteringVisible = transmittance * stepTransmittedFraction * GroundDarkening ;
#ifdef ORIGINAL_CHOCAPIC_SKY
scatteringSun += sky_coefficientsScattering * (stepAirmass.xy * phaseSun) * stepScatteringVisible * sky_transmittance(position, sunVector, jSteps) * planetGround;
#else
scatteringSun += sky_coefficientsScattering * (stepAirmass.xy * phaseSun) * stepScatteringVisible * sky_transmittance(position, sunVector*0.5+0.1, jSteps) * planetGround;
#endif
scatteringSun += sky_coefficientsScattering * (stepAirmass.xy * phaseSun) * stepScatteringVisible * sky_transmittance(position, sunVector*0.5+0.1, jSteps) * planetGround;
scatteringMoon += sky_coefficientsScattering * (stepAirmass.xy * phaseMoon) * stepScatteringVisible * sky_transmittance(position, moonVector, jSteps) * planetGround;
// Nice way to fake multiple scattering.
scatteringAmbient += sky_coefficientsScattering * stepAirmass.xy * stepScatteringVisible * low_sun;
#ifdef ORIGINAL_CHOCAPIC_SKY
scatteringAmbient += sky_coefficientsScattering * stepAirmass.xy * stepScatteringVisible;
#else
scatteringAmbient += sky_coefficientsScattering * stepAirmass.xy * stepScatteringVisible * low_sun;
#endif
transmittance *= stepTransmittance ;
}