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Lightleak Fix for water fog and SSS

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also, wind on clouds.
This commit is contained in:
Xonk
2023-04-27 15:09:58 -04:00
parent 3b375c2b75
commit a082f263bd
4 changed files with 24 additions and 17 deletions
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19
shaders/lib/volumetricClouds.glsl
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@ -27,7 +27,7 @@ float MaxCumulusHeight = CumulusHeight + 100;
float AltostratusHeight = 2000;
float rainCloudwetness = rainStrength;
float cloud_movement = 0;
float cloud_movement = frameTimeCounter;
//3D noise from 2d texture
float densityAtPos(in vec3 pos){
@ -46,8 +46,15 @@ float densityAtPos(in vec3 pos){
float cloudCov(in vec3 pos,vec3 samplePos){
float CloudLarge = texture2D(noisetex, (samplePos.xz + cloud_movement) / 5000 ).b;
float CloudSmall = texture2D(noisetex, (samplePos.xz - cloud_movement) / 500 ).r;
// vec2 windshift2 = pow( max(MaxCumulusHeight - pos.y, 0.0) / 20,2) * vec2(1);
// windshift.x *= sin(frameTimeCounter);
// windshift.y *= -cos(frameTimeCounter);
float CloudLarge = texture2D(noisetex, (samplePos.xz + cloud_movement) / 5000 ).b;
vec2 windshift = pow( max(pos.y-CumulusHeight, 0.0) / 5,1.5) * vec2(1) * (CloudLarge*2-1.15);
float CloudSmall = texture2D(noisetex, (samplePos.xz - cloud_movement) / 500 ).r;
float coverage = abs(pow(CloudLarge,1)*2.0 - 1.2)*0.5 - (1.0-CloudSmall) + 0.3;
@ -74,6 +81,8 @@ float cloudVol(in vec3 pos,in vec3 samplePos,in float cov, in int LoD){
float pw2 = log(fbmPower2);
samplePos.xz -= cloud_movement/4;
samplePos.xz += pow( max(pos.y - (CumulusHeight+20), 0.0) / 20.0,1.50);
noise += 1.0-densityAtPos(samplePos * 200.) ;
float smallnoise = densityAtPos(samplePos * 600.);
@ -101,8 +110,8 @@ float GetCumulusDensity(in vec3 pos, in int LoD){
float GetAltostratusDensity(vec3 pos){
float large = texture2D(noisetex, pos.xz/100000. ).b;
float small = texture2D(noisetex, pos.xz/10000. - vec2(-large,1-large)/5).b;
float large = texture2D(noisetex, (pos.xz + cloud_movement)/100000. ).b;
float small = texture2D(noisetex, (pos.xz - cloud_movement)/10000. - vec2(-large,1-large)/5).b;
float shape = (small + pow((1.0-large),2.0))/2.0;