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better rainbows

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This commit is contained in:
IsseW 2022-06-03 14:42:04 +02:00
parent 27ec6d7469
commit 72a0f56788
1 changed files with 8 additions and 2 deletions
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10
assets/voxygen/shaders/include/cloud/regular.glsl
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@ -247,6 +247,7 @@ vec3 get_cloud_color(vec3 surf_color, vec3 dir, vec3 origin, const float time_of
float rainbow_t = (0.7 - dot(sun_dir.xyz, dir)) * 8 / 0.05;
int rainbow_c = int(floor(rainbow_t));
rainbow_t = fract(rainbow_t);
rainbow_t = rainbow_t * rainbow_t;
#endif
#endif
@ -286,7 +287,6 @@ vec3 get_cloud_color(vec3 surf_color, vec3 dir, vec3 origin, const float time_of
#if (CLOUD_MODE >= CLOUD_MODE_MEDIUM)
#ifdef EXPERIMENTAL_RAINBOWS
if (rainbow_c >= 0 && rainbow_c < 8) {
float rain = rain_density_at(pos.xy);
vec3 colors[9] = {
surf_color,
vec3(0.9, 0.5, 0.9),
@ -298,10 +298,16 @@ vec3 get_cloud_color(vec3 surf_color, vec3 dir, vec3 origin, const float time_of
vec3(1.0, 0.0, 0.0),
surf_color,
};
float h = max(0.0, min(pos.z, 900.0 - pos.z) / 450.0);
float rain = rain_density_at(pos.xy) * pow(h, 0.1);
float sun = sun_access * get_sun_brightness();
float energy = pow(rain * sun * min(cdist / 500.0, 1.0), 2.0) * 0.4;
surf_color = mix(
surf_color,
mix(colors[rainbow_c], colors[rainbow_c + 1], rainbow_t),
rain * sun_access * sun_access * get_sun_brightness() * pow(min(cdist / 500.0, 1.0), 2.0)
energy
);
}
#endif