1#define_import_path bevy_pbr::atmosphere::types
2
3struct Atmosphere {
4    ground_albedo: vec3<f32>,
5    // Radius of the planet
6    bottom_radius: f32, // units: m
7    // Radius at which we consider the atmosphere to 'end' for out calculations (from center of planet)
8    top_radius: f32, // units: m
9}
10
11struct AtmosphereSettings {
12    transmittance_lut_size: vec2<u32>,
13    multiscattering_lut_size: vec2<u32>,
14    sky_view_lut_size: vec2<u32>,
15    aerial_view_lut_size: vec3<u32>,
16    transmittance_lut_samples: u32,
17    multiscattering_lut_dirs: u32,
18    multiscattering_lut_samples: u32,
19    sky_view_lut_samples: u32,
20    aerial_view_lut_samples: u32,
21    aerial_view_lut_max_distance: f32,
22    scene_units_to_m: f32,
23    sky_max_samples: u32,
24    rendering_method: u32,
25}
26
27// "Atmosphere space" is just the view position with y=0 and oriented horizontally,
28// so the horizon stays a horizontal line in our luts
29struct AtmosphereTransforms {
30    world_from_atmosphere: mat4x4<f32>,
31}
32
33struct AtmosphereData {
34    atmosphere: Atmosphere,
35    settings: AtmosphereSettings,
36}