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Aurora light tint

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This commit is contained in:
Joshua Barretto 2021-10-15 18:43:10 +01:00
parent c4efb5fc68
commit 3322eeb365
3 changed files with 14 additions and 15 deletions
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18
assets/voxygen/shaders/include/cloud/regular.glsl
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@ -150,22 +150,15 @@ vec4 cloud_at(vec3 pos, float dist, out vec3 emission, out float not_underground
+ textureLod(sampler2D(t_noise, s_noise), wind_pos.xy * 0.0005 + nz * 0.5, 0).x * 0.3
- 0.5) * 2)
* max(0, 1.0 - abs(textureLod(sampler2D(t_noise, s_noise), wind_pos.xy * 0.00001, 0).x - 0.5) * 4)
, 2);
, 2) * emission_strength;
float t = clamp((pos.z - emission_alt) / emission_height, 0, 1);
float br = 0.5; // blue vs red
#if (CLOUD_MODE > CLOUD_MODE_LOW)
br += (magnetosphere_tint.r - 0.6) * 4;
#else
br = 1.0;
#endif
br = clamp(br, 0, 1);
t = pow(t - 0.5, 2) * sign(t - 0.5) + 0.5;
float top = pow(t, 2);
float bot = pow(max(0.8 - t, 0), 2) * 2;
const vec3 cyan = vec3(0, 0.5, 1);
const vec3 red = vec3(1, 0, 0);
const vec3 green = vec3(0, 8, 0);
emission = 100 * emission_factor * nz * (cyan * top * max(0, 1 - br) + red * max(br, 0) + green * bot);
emission = 10 * emission_factor * nz * (cyan * top * max(0, 1 - emission_br) + red * max(emission_br, 0) + green * bot);
}
// We track vapor density and air density separately. Why? Because photons will ionize particles in air
@ -247,8 +240,9 @@ vec3 get_cloud_color(vec3 surf_color, vec3 dir, vec3 origin, const float time_of
float cloud_scatter_factor = density_integrals.x;
float global_scatter_factor = density_integrals.y;
float cloud_darken = pow(1.0 / (1.0 + cloud_scatter_factor), (ldist - cdist) * 0.01);
float global_darken = pow(1.0 / (1.0 + global_scatter_factor), (ldist - cdist) * 0.01);
float step = (ldist - cdist) * 0.01;
float cloud_darken = pow(1.0 / (1.0 + cloud_scatter_factor), step);
float global_darken = pow(1.0 / (1.0 + global_scatter_factor), step);
surf_color =
// Attenuate light passing through the clouds
@ -257,7 +251,7 @@ vec3 get_cloud_color(vec3 surf_color, vec3 dir, vec3 origin, const float time_of
sun_color * sun_scatter * get_sun_brightness() * (sun_access * (1.0 - cloud_darken) /*+ sky_color * global_scatter_factor*/) +
moon_color * moon_scatter * get_moon_brightness() * (moon_access * (1.0 - cloud_darken) /*+ sky_color * global_scatter_factor*/) +
sky_light * (1.0 - global_darken) * not_underground +
emission * density_integrals.y;
emission * density_integrals.y * step;
}
return surf_color;

9
assets/voxygen/shaders/include/sky.glsl
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@ -126,7 +126,12 @@ float magnetosphere = sin(time_of_day.x / (3600 * 24));
vec3 magnetosphere_tint = _magnetosphere_change / length(_magnetosphere_change);
#endif
#if (CLOUD_MODE > CLOUD_MODE_NONE)
float emission_strength = clamp((magnetosphere - 0.8) / 0.1, 0, 1) * max(sun_dir.z, 0);
float emission_strength = clamp((magnetosphere - 0.3) * 1.3, 0, 1) * max(-moon_dir.z, 0);
#if (CLOUD_MODE > CLOUD_MODE_MEDIUM)
float emission_br = abs(pow(fract(time_of_day.x * 0.000005) * 2 - 1, 2));
#else
float emission_br = 0.5;
#endif
#endif
float get_sun_brightness(/*vec3 sun_dir*/) {
@ -392,7 +397,7 @@ float get_sun_diffuse2(DirectionalLight sun_info, DirectionalLight moon_info, ve
vec3 emission = vec3(0);
#if (CLOUD_MODE > CLOUD_MODE_NONE)
if (emission_strength > 0.0) {
emission = normalize(pow(magnetosphere_tint, vec3(3))) * emission_strength * magnetosphere * 0.1;
emission = mix(vec3(0, 0.5, 1), vec3(1, 0, 0), emission_br) * emission_strength * 0.025;
}
#endif

2
voxygen/src/hud/mod.rs
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@ -4065,7 +4065,7 @@ pub fn get_sprite_desc(sprite: SpriteKind, localized_strings: &Localization) ->
SpriteKind::Loom => "hud.crafting.loom",
SpriteKind::SpinningWheel => "hud.crafting.spinning_wheel",
SpriteKind::TanningRack => "hud.crafting.tanning_rack",
sprite => return Cow::Owned(format!("{:?}", sprite)),
sprite => return Some(Cow::Owned(format!("{:?}", sprite))),
};
Some(Cow::Borrowed(localized_strings.get(i18n_key)))
}