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allow volumetric fog to intersect volumetric clouds

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Xonk
2025-03-12 01:17:45 -04:00
parent 01387e8720
commit 3d104832db
6 changed files with 89 additions and 32 deletions
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17
shaders/dimensions/composite2.fsh
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@ -395,11 +395,11 @@ vec3 alterCoords(in vec3 coords, bool lighting){
float theDistance = length(coords + (lighting ? vec3(0.0) : cameraPosition));
coords.x = max(coords.x,0.0);
coords.x = coords.x*3;
coords.y = coords.y;
coords.z = coords.z/3;
coords.z = coords.z*3;
return coords;
}
@ -442,7 +442,8 @@ vec4 raymarchTest(
// float cloudRange = mix(max(cameraPosition.y - maxHeight,0.0), max(minHeight - cameraPosition.y,0.0), clamp(rayDirection.y,0.0,1.0));
vec3 rayProgress = rayDirection*dither.x + cameraPosition + (rayDirection / length(alterCoords(rayDirection, false))) * 200;
vec3 rayProgress = rayDirection + cameraPosition + (rayDirection / length(alterCoords(rayDirection, false))) * 200.0;
float dL = length(rayDirection);
@ -530,11 +531,12 @@ void main() {
vec3 directLightColor = lightCol.rgb / 2400.0;
vec3 indirectLightColor = averageSkyCol / 1200.0;
vec3 indirectLightColor_dynamic = averageSkyCol_Clouds / 1200.0;
float cloudPlaneDistance = 0.0;
#if defined OVERWORLD_SHADER
// z0 = texture2D(depthtex0, tc + jitter/VL_RENDER_RESOLUTION).x;
// viewPos0 = toScreenSpace_DH(tc/RENDER_SCALE, z0, DH_z0);
vec4 VolumetricClouds = GetVolumetricClouds(viewPos0, BN, WsunVec, directLightColor, indirectLightColor);
vec4 VolumetricClouds = GetVolumetricClouds(viewPos0, BN, WsunVec, directLightColor, indirectLightColor, cloudPlaneDistance);
#ifdef CAVE_FOG
@ -548,7 +550,7 @@ void main() {
float atmosphereAlpha = 1.0;
vec3 sceneColor = texelFetch2D(colortex3,ivec2(tc/texelSize),0).rgb * VolumetricClouds.a + VolumetricClouds.rgb;
vec4 VolumetricFog = GetVolumetricFog(viewPos0, WsunVec, BN, directLightColor, indirectLightColor, indirectLightColor_dynamic, atmosphereAlpha, VolumetricClouds.rgb);
vec4 VolumetricFog = GetVolumetricFog(viewPos0, WsunVec, BN, directLightColor, indirectLightColor, indirectLightColor_dynamic, atmosphereAlpha, VolumetricClouds.rgb, cloudPlaneDistance);
#endif
@ -558,7 +560,6 @@ void main() {
#if defined OVERWORLD_SHADER
VolumetricFog = vec4(VolumetricClouds.rgb * VolumetricFog.a + VolumetricFog.rgb, VolumetricFog.a*VolumetricClouds.a);
// VolumetricFog = vec4(VolumetricClouds.rgb * VolumetricFog.a + VolumetricFog.rgb, VolumetricFog.a*VolumetricClouds.a);
#endif
if (isEyeInWater == 1){
@ -574,8 +575,10 @@ void main() {
// VolumetricFog = raymarchTest(viewPos0, BN);
gl_FragData[0] = clamp(VolumetricFog, 0.0, 65000.0);
// gl_FragData[0] = clamp(vec4(vec3(cloudPlaneDistance/1000.0),0), 0.0, 65000.0);
//
// vec4 currentFrame = VolumetricFog;
// vec4 previousFrame = texture2D(colortex10, gl_FragCoord.xy * texelSize);