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atmosphere: add volumetric fog (WIP)

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yuni 2024-11-29 19:19:58 +01:00
parent 193f95992c
commit 727d8d2493
1 changed files with 20 additions and 0 deletions
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20
src/camera.rs
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@ -32,6 +32,7 @@ impl Plugin for CameraPlugin {
fn build(&self, app: &mut App) {
app.add_systems(Startup, setup_camera);
app.add_systems(Update, handle_input.run_if(in_control).run_if(game_running));
app.add_systems(Update, tweak_scene);
app.add_systems(
Update,
update_map_only_object_visibility
@ -147,6 +148,14 @@ pub fn setup_camera(
transform: Transform::from_xyz(0.0, 0.0, 8.0).looking_at(Vec3::ZERO, Vec3::Y),
..default()
},
bevy::pbr::VolumetricFogSettings {
// This value is explicitly set to 0 since we have no environment map light
ambient_intensity: 0.0,
absorption: 0.1,
density: 0.01,
step_count: 16,
..default()
},
bevy::core_pipeline::fxaa::Fxaa {
edge_threshold: bevy::core_pipeline::fxaa::Sensitivity::Extreme,
..default()
@ -793,3 +802,14 @@ pub fn position_to_transform(
transform.rotation = rot.as_quat();
}
}
fn tweak_scene(
mut commands: Commands,
mut lights: Query<(Entity, &mut DirectionalLight), Changed<DirectionalLight>>,
) {
for (light, mut directional_light) in lights.iter_mut() {
// Shadows are needed for volumetric lights to work.
directional_light.shadows_enabled = true;
commands.entity(light).insert(bevy::pbr::VolumetricLight);
}
}