Backups/Bliss-Shader
1
0
Fork 0
mirror of https://github.com/X0nk/Bliss-Shader.git synced 2025-06-22 00:37:35 +08:00
Code Issues Packages Projects Releases Wiki Activity

DOUBLE LAYER CLOUD TEST #2. tweaked cloud lighting further. tweaked the sky ground. added gradient to fog skylighting. fix hand bug with bloomy fog.

Browse Source
This commit is contained in:
Xonk
2023-12-05 22:06:47 -05:00
parent d90a15e694
commit 72709b914d
13 changed files with 211 additions and 254 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
shaders/lib/ROBOBO_sky.glsl
View File

@ -94,7 +94,8 @@ vec3 sky_transmittance(vec3 position, vec3 direction, const float steps) {
vec3 calculateAtmosphere(vec3 background, vec3 viewVector, vec3 upVector, vec3 sunVector, vec3 moonVector, out vec2 pid, out vec3 transmittance, const int iSteps, float noise) {
const int jSteps = 4;
// clamp(sunVector.y*2.0,0.0,1.0)
float GroundDarkening = max(exp2(-15 * clamp(-viewVector.y,0.0,1.0)) * 0.7+0.3, clamp(sunVector.y*2.0,0.0,1.0)); // darken the ground in the sky.
vec3 viewPos = (sky_planetRadius + eyeAltitude) * upVector;
vec2 aid = rsi(viewPos, viewVector, sky_atmosphereRadius);
@ -128,9 +129,9 @@ vec3 calculateAtmosphere(vec3 background, vec3 viewVector, vec3 upVector, vec3 s
vec3 stepAirmass = density * stepSize ;
vec3 stepOpticalDepth = sky_coefficientsAttenuation * stepAirmass ;
vec3 stepTransmittance = exp2(-stepOpticalDepth * rLOG2) ;
vec3 stepTransmittance = exp2(-stepOpticalDepth * rLOG2);
vec3 stepTransmittedFraction = clamp01((stepTransmittance - 1.0) / -stepOpticalDepth) ;
vec3 stepScatteringVisible = transmittance * stepTransmittedFraction ;
vec3 stepScatteringVisible = transmittance * stepTransmittedFraction * GroundDarkening ;
scatteringSun += sky_coefficientsScattering * (stepAirmass.xy * phaseSun ) * stepScatteringVisible * sky_transmittance(position, sunVector*0.5+0.1, jSteps) ;
scatteringMoon += sky_coefficientsScattering * (stepAirmass.xy * phaseMoon) * stepScatteringVisible * sky_transmittance(position, moonVector, jSteps);