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adjust freq of noise samples on large cumulus. fix cloud to fog interesection when all 3 layers are enabled

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Xonk
2025-11-05 18:45:48 -05:00
parent 0912bdac6d
commit fcd07c0d2f
1 changed files with 7 additions and 7 deletions
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shaders/lib/volumetricClouds.glsl
+7 -7
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@@ -102,10 +102,10 @@ float getCloudShape(int LayerIndex, int LOD, in vec3 position, float minHeight,
break; }
case LARGECUMULUS_LAYER: {
erosion += (1.0 - densityAtPos(samplePos * 100.0 * CloudLayer1_scale)) * sqrt(1.0-shape);
erosion += (1.0 - densityAtPos(samplePos * 70.0 * CloudLayer1_scale)) * sqrt(1.0-shape);
float falloff = 1.0 - clamp((maxHeight - position.y)/200.0,0.0,1.0);
erosion += abs(densityAtPos(samplePos * 450.0 * CloudLayer1_scale) - falloff) * 0.75 * (1.0-shape) * (1.0-falloff*0.5);
erosion += abs(densityAtPos(samplePos * 250.0 * CloudLayer1_scale) - falloff) * 0.75 * (1.0-shape) * (1.0-falloff*0.5);
erosion = erosion*erosion*erosion*erosion;
break; }
@@ -542,7 +542,7 @@ vec4 GetVolumetricClouds(
float maxSamples = 15.0;
float minSamples = 10.0;
int samples = int(clamp(maxSamples / sqrt(exp2(NormPlayerPos.y)), 0.0, minSamples));
int samples = int(clamp(maxSamples / sqrt(exp2(NormPlayerPos.y)), 1.0, minSamples));
// int samples = 30;
///------- setup the ray
@@ -633,16 +633,16 @@ vec4 GetVolumetricClouds(
////------- BLEND LAYERS
// this is for an intersection check for VL fog, so that fog cannot march beyond a cloud.
#if defined CloudLayer0 && defined CloudLayer1 && defined CloudLayer2
cloudPlaneDistance = mix(cloudLayer1_Distance.x, cloudLayer2_Distance.x, cloudLayer1_Distance.y);
cloudPlaneDistance = mix(cloudLayer0_Distance.x, cloudPlaneDistance, cloudLayer0_Distance.y);
#endif
#if defined CloudLayer0 && !defined CloudLayer1 && !defined CloudLayer2
cloudPlaneDistance = cloudLayer0_Distance.x;
#endif
#if defined CloudLayer0 && defined CloudLayer1 && !defined CloudLayer2
cloudPlaneDistance = mix(cloudLayer0_Distance.x, cloudLayer1_Distance.x, cloudLayer0_Distance.y);
#endif
#if defined CloudLayer0 && defined CloudLayer1 && defined CloudLayer2
cloudPlaneDistance = mix(cloudLayer2_Distance.x, cloudLayer1_Distance.x, cloudLayer2_Distance.y);
cloudPlaneDistance = mix(cloudLayer0_Distance.x, cloudPlaneDistance, cloudLayer0_Distance.y);
#endif
#if !defined CloudLayer0 && defined CloudLayer1 && defined CloudLayer2
cloudPlaneDistance = mix(cloudLayer2_Distance.x, cloudLayer1_Distance.x, cloudLayer2_Distance.y);
#endif