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Fix the height fog effect

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This commit is contained in:
Brian Semrau
2021-10-14 03:52:10 -04:00
parent 5f33cc0f0e
commit a62e240260
4 changed files with 9 additions and 7 deletions
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6
servers/rendering/renderer_rd/shaders/scene_forward_clustered.glsl
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@@ -526,12 +526,12 @@ vec4 fog_process(vec3 vertex) {
float fog_amount = 1.0 - exp(min(0.0, -length(vertex) * scene_data.fog_density));
if (abs(scene_data.fog_height_density) > 0.001) {
if (abs(scene_data.fog_height_density) >= 0.0001) {
float y = (scene_data.camera_matrix * vec4(vertex, 1.0)).y;
float y_dist = scene_data.fog_height - y;
float y_dist = y - scene_data.fog_height;
float vfog_amount = clamp(exp(y_dist * scene_data.fog_height_density), 0.0, 1.0);
float vfog_amount = clamp(1.0 - exp(y_dist * scene_data.fog_height_density), 0.0, 1.0);
fog_amount = max(vfog_amount, fog_amount);
}