add the SUN

src/world.rs

@@ -4,6 +4,10 @@ use bevy::core_pipeline::Skybox;
 use bevy::asset::LoadState;
 use bevy::render::render_resource::{TextureViewDescriptor, TextureViewDimension};
 use bevy::pbr::CascadeShadowConfigBuilder;
+use bevy::core_pipeline::{
+    bloom::{BloomCompositeMode, BloomSettings},
+    tonemapping::Tonemapping,
+};
 use std::f32::consts::PI;
 
 #[derive(Resource)]
@@ -25,6 +29,10 @@ pub fn setup(
     let skybox_handle = asset_server.load(CUBEMAP_PATH);
     commands.spawn((
         Camera3dBundle {
+            camera: Camera {
+                hdr: true, // HDR is required for bloom
+                ..default()
+            },
             transform: Transform::from_xyz(0.0, 0.0, 8.0).looking_at(Vec3::ZERO, Vec3::Y),
             ..default()
         },
@@ -33,6 +41,10 @@ pub fn setup(
             image: skybox_handle.clone(),
             brightness: 500.0,
         },
+        BloomSettings {
+            composite_mode: BloomCompositeMode::Additive,
+            ..default()
+        },
     ));
     commands.insert_resource(Cubemap {
         is_loaded: false,
@@ -52,7 +64,6 @@ pub fn setup(
         perceptual_roughness: 1.0,
         ..default()
     });
-
     commands.spawn(PbrBundle {
         mesh: sphere_handle.clone(),
         material: gray_handle.clone(),
@@ -77,6 +88,26 @@ pub fn setup(
         ..default()
     });
 
+    // Add THE SUN
+    let hydrogenfusion_handle = materials.add(StandardMaterial {
+        base_color: Color::WHITE,
+        emissive: Color::rgb_linear(2300.0, 900.0, 300.0),
+        perceptual_roughness: 0.0,
+        ..default()
+    });
+    let sphere_radius = 5000.0;
+    let sphere_handle = meshes.add(Sphere::new(sphere_radius));
+    commands.spawn(PbrBundle {
+        mesh: sphere_handle.clone(),
+        material: hydrogenfusion_handle.clone(),
+        transform: Transform::from_xyz(
+            0.0,
+            30000.0,
+            -400000.0,
+        ),
+        ..default()
+    });
+
     // Add alien
     commands.spawn(SceneBundle {
             transform: Transform {