Debug rotating camera to appreciate the skybox

src/display3d.rs

@@ -4,6 +4,7 @@ use crate::{
 };
 use bevy::{
     core_pipeline::Skybox,
+    input::mouse::{MouseMotion, MouseWheel},
     render::render_resource::{TextureViewDescriptor, TextureViewDimension},
 };
 
@@ -34,6 +35,20 @@ impl Plugin for Display3dPlugin {
                     .run_if(in_state(GameState::Display3d))
                     .run_if(resource_exists::<debug::DebugEnabled>()),
             )
+            .add_systems(
+                Update,
+                move_camera
+                    .run_if(in_state(GameState::Display3d))
+                    .run_if(on_event::<MouseMotion>())
+                    .run_if(resource_exists::<debug::DebugEnabled>()),
+            )
+            .add_systems(
+                Update,
+                mouse_zoom
+                    .run_if(in_state(GameState::Display3d))
+                    .run_if(on_event::<MouseWheel>())
+                    .run_if(resource_exists::<debug::DebugEnabled>()),
+            )
             .add_systems(OnEnter(GameState::Display3d), activate::<Display3d>)
             .add_systems(OnExit(GameState::Display3d), deactivate::<Display3d>);
     }
@@ -80,22 +95,12 @@ fn initialize(mut commands: Commands, board: Option<Res<game::Board>>, assets: R
             ..default()
         },
         Skybox(assets.skybox.clone()),
-        // EnvironmentMapLight {
+        EnvironmentMapLight {
-        //     diffuse_map: server.load("images/pisa_diffuse_rgb9e5_zstd.ktx2"),
+            diffuse_map: assets.skybox.clone(),
-        //     specular_map: server.load("images/pisa_specular_rgb9e5_zstd.ktx2"),
+            specular_map: assets.skybox.clone(),
-        // },
+        },
         UiCameraConfig { show_ui: true },
     ));
-    // light
-    commands.spawn(PointLightBundle {
-        point_light: PointLight {
-            intensity: 1500.0,
-            shadows_enabled: true,
-            ..default()
-        },
-        transform: Transform::from_xyz(4.0, 8.0, 4.0),
-        ..default()
-    });
 
     info!("Initializing root");
     commands
@@ -112,11 +117,11 @@ fn initialize(mut commands: Commands, board: Option<Res<game::Board>>, assets: R
                 Display3d,
                 PointLightBundle {
                     point_light: PointLight {
-                        intensity: 1500.0,
+                        intensity: 3000.0,
                         shadows_enabled: true,
                         ..default()
                     },
-                    transform: Transform::from_xyz(4.0, 8.0, 4.0),
+                    transform: Transform::from_xyz(0.0, 10.0, 5.0),
                     ..default()
                 },
             ));
@@ -228,3 +233,29 @@ fn gizmo_system(mut gizmos: Gizmos) {
         }
     }
 }
+
+/// TODO: This has bad feel, needs to be tuned
+fn move_camera(
+    mut events: EventReader<MouseMotion>,
+    mut camera: Query<&mut Transform, (With<Display3d>, With<Camera>)>,
+) {
+    events.iter().for_each(|MouseMotion { delta }| {
+        camera.iter_mut().for_each(|mut t| {
+            t.rotate_around(Vec3::ZERO, Quat::from_rotation_y(delta.x / 256.0));
+            t.rotate_around(Vec3::ZERO, Quat::from_rotation_x(delta.y / 256.0));
+            t.look_at(Vec3::ZERO, Vec3::Y);
+        });
+    });
+}
+
+fn mouse_zoom(
+    mut events: EventReader<MouseWheel>,
+    mut camera: Query<&mut Transform, (With<Display3d>, With<Camera>)>,
+) {
+    events.iter().for_each(|MouseWheel { y, .. }| {
+        camera.iter_mut().for_each(|mut t| {
+            t.translation *= 1.0 - (*y / 4.0);
+            t.look_at(Vec3::ZERO, Vec3::Y);
+        });
+    });
+}