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Cloud tweaks

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This commit is contained in:
Joshua Barretto 2020-10-24 13:33:23 +01:00
parent a556d2b5e7
commit 70f0a7c57c
1 changed files with 5 additions and 8 deletions
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13
assets/voxygen/shaders/include/cloud/regular.glsl
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@ -123,15 +123,13 @@ vec3 get_cloud_color(vec3 surf_color, const vec3 dir, vec3 origin, const float t
get_moon_color() * get_moon_brightness() * moon_scatter;
float cdist = max_dist;
vec3 last_sample = cloud_at(origin + dir * cdist, cdist);
while (cdist > 10) {
float ndist = step_to_dist(trunc(dist_to_step(cdist - 10)));
vec3 next_sample = cloud_at(origin + dir * ndist * splay, ndist);
while (cdist > 1) {
float ndist = step_to_dist(trunc(dist_to_step(cdist - 0.25)));
vec3 sample = cloud_at(origin + dir * ndist * splay, ndist);
vec3 sample_avg = last_sample;//(last_sample + next_sample) / 2.0;
vec2 density_integrals = sample_avg.yz * (cdist - ndist);
vec2 density_integrals = sample.yz * (cdist - ndist);
float sun_access = sample_avg.x;
float sun_access = sample.x;
float scatter_factor = 1.0 - 1.0 / (1.0 + density_integrals.x);
surf_color =
@ -145,7 +143,6 @@ vec3 get_cloud_color(vec3 surf_color, const vec3 dir, vec3 origin, const float t
sky_color * sun_access * scatter_factor;
cdist = ndist;
last_sample = next_sample;
}
return surf_color;