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Fixed negative cloud density bug

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This commit is contained in:
Joshua Barretto 2021-04-19 22:02:47 +01:00
parent ed20a66b20
commit 86287e8f0a
1 changed files with 7 additions and 2 deletions
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9
assets/voxygen/shaders/include/cloud/regular.glsl
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@ -53,8 +53,13 @@ vec4 cloud_at(vec3 pos, float dist, out vec3 emission) {
const float turb_speed = -1.0; // Turbulence goes the opposite way
vec3 turb_offset = vec3(1, 1, 0) * time_of_day.x * turb_speed;
mist *= 0.5
#if (CLOUD_MODE >= CLOUD_MODE_LOW)
+ 4 * (noise_2d(wind_pos.xy / 20000) - 0.5)
+ 1 * (noise_3d(wind_pos / 1000) - 0.5);
#endif
#if (CLOUD_MODE >= CLOUD_MODE_MEDIUM)
+ 1 * (noise_3d(wind_pos / 1000) - 0.5)
#endif
;
float CLOUD_DEPTH = (view_distance.w - view_distance.z) * 0.8;
const float CLOUD_DENSITY = 5.0;
@ -76,7 +81,7 @@ vec4 cloud_at(vec3 pos, float dist, out vec3 emission) {
+ 0.5 * (noise_3d(wind_pos / 150.0 / cloud_scale) - 0.5)
#endif
) * 0.01;
cloud = pow(cloud, 3) * sign(cloud);
cloud = pow(max(cloud, 0), 3) * sign(cloud);
cloud *= CLOUD_DENSITY * (cloud_tendency * 100) * falloff(abs(pos.z - cloud_alt) / CLOUD_DEPTH);
// What proportion of sunlight is *not* being blocked by nearby cloud? (approximation)