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intial changes for commit #495

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Xonk
2024-11-15 17:54:18 -05:00
parent b32041d4fc
commit b93d6f1a12
56 changed files with 3550 additions and 2274 deletions
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37
shaders/lib/end_fog.glsl
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@ -168,12 +168,15 @@ float fogShape(in vec3 pos){
float endFogPhase(vec3 LightPos){
float mie = exp(length(LightPos) / -150);
mie *= mie;
mie *= mie;
mie *= 100;
// float mie = exp(length(LightPos) / -150);
// mie *= mie;
// mie *= mie;
// mie *= 100;
return mie;
// float mie = 1.0 - clamp(1.0 - length(LightPos) / 100.0,0.0,1.0);
float mie = exp(length(LightPos) / -50.0);
return (mie*10.0)*(mie*10.0);
}
vec3 LightSourceColors(float vortexBounds, float lightningflash){
@ -197,13 +200,13 @@ vec3 LightSourceLighting(vec3 startPos, vec3 lightPos, float noise, float densit
float shadow = 0.0;
for (int j = 0; j < 3; j++){
vec3 shadowSamplePos = startPos - lightPos * (0.05 + j * (0.25 + noise*0.15));
vec3 shadowSamplePos = startPos - lightPos * (0.05 + j * (0.25 + 0*0.15));
shadow += fogShape(shadowSamplePos);
}
vec3 finalLighting = lightColor * phase * exp(shadow * -10.0);
finalLighting += lightColor * phase*phase * (1.0-exp((shadow*shadow*shadow) * vec3(0.6,2.0,2) * -1)) * (1.0 - exp(-density*density));
vec3 finalLighting = lightColor * phase * exp(-7.0 * shadow) ;
finalLighting += lightColor * phase*phase * (1.0 - exp( -shadow * vec3(0.6,2.0,2))) * (1.0 - exp(-density*density));
return finalLighting;
}
@ -246,9 +249,9 @@ vec4 GetVolumetricFog(
// float phsething = phaseEND(CenterdotV, 0.35) + phaseEND(CenterdotV, 0.85) ;
float skyPhase = 0.5 + pow(clamp(normalize(wpos).y*0.5+0.5,0.0,1.0),4.0)*5.0;
float skyPhase = (0.5 + pow(clamp(normalize(wpos).y*0.5+0.5,0.0,1.0),4.0)*5.0) * 0.1;
vec3 hazeColor = normalize(gl_Fog.color.rgb) * 0.1;
vec3 hazeColor = normalize(gl_Fog.color.rgb + 1e-6) * 0.1;
float lightningflash = texelFetch2D(colortex4,ivec2(1,1),0).x/150.0;
@ -258,7 +261,7 @@ vec4 GetVolumetricFog(
for (int i = 0; i < SAMPLECOUNT; i++) {
float d = (pow(expFactor, float(i+dither)/float(SAMPLECOUNT))/expFactor - 1.0/expFactor)/(1-1.0/expFactor);
float dd = pow(expFactor, float(i+dither)/float(SAMPLECOUNT)) * log(expFactor) / float(SAMPLECOUNT)/(expFactor-1.0);
float dd = pow(expFactor, float(i+dither2)/float(SAMPLECOUNT)) * log(expFactor) / float(SAMPLECOUNT)/(expFactor-1.0);
vec3 progressW = gbufferModelViewInverse[3].xyz+cameraPosition + d*dVWorld;
@ -268,7 +271,7 @@ vec4 GetVolumetricFog(
// determine where the vortex area ends and chaotic lightning area begins.
float vortexBounds = clamp(vortexBoundRange - length(progressW), 0.0,1.0);
vec3 lightPosition = LightSourcePosition(progressW, cameraPosition, vortexBounds);
vec3 lightColors = LightSourceColors(vortexBounds, lightningflash);
vec3 lightColors = LightSourceColors(vortexBounds, lightningflash) * 0.25;
float volumeDensity = fogShape(progressW);
@ -281,9 +284,9 @@ vec4 GetVolumetricFog(
float volumeCoeff = exp(-stormDensity*dd*dL);
vec3 lightsources = LightSourceLighting(progressW, lightPosition, dither2, volumeDensity, lightColors, vortexBounds);
vec3 indirect = vec3(0.5,0.75,1.0) * 0.2 * (exp((volumeDensity*volumeDensity) * -50) * 0.9 + 0.1);
vec3 lightsources = LightSourceLighting(progressW, lightPosition, dither, volumeDensity, lightColors, vortexBounds);
vec3 indirect = vec3(0.5,0.75,1.0) * 0.2 * (exp((volumeDensity*volumeDensity) * -50) * 0.9 + 0.1) * 0.1;
vec3 stormLighting = indirect + lightsources;
color += (stormLighting - stormLighting*volumeCoeff) * absorbance;
@ -337,7 +340,7 @@ vec4 GetVolumetricFog(
return vec4(color, absorbance);
}
float GetCloudShadow(vec3 WorldPos, vec3 LightPos){
float GetEndFogShadow(vec3 WorldPos, vec3 LightPos){
float Shadow = 0.0;
for (int i=0; i < 3; i++){
@ -347,5 +350,5 @@ float GetCloudShadow(vec3 WorldPos, vec3 LightPos){
Shadow += fogShape(shadowSamplePos)*END_STORM_DENSTIY;
}
return clamp(exp2(Shadow * -5.0),0.0,1.0);
return clamp(exp2(Shadow * -10.0),0.0,1.0);
}