make stars clickable

src/commands.rs

@@ -660,7 +660,10 @@ fn spawn_entities(
                 });
             }
             if state.is_clickable {
-                actor.insert(hud::IsClickable);
+                actor.insert(hud::IsClickable {
+                    name: state.name.clone(),
+                    ..default()
+                });
             }
             if let Some(value) = state.wants_maxrotation {
                 actor.insert(actor::WantsMaxRotation(value));

src/hud.rs

@@ -50,7 +50,6 @@ impl Plugin for HudPlugin {
 #[derive(Component)] struct ToggleableHudElement;
 #[derive(Component)] struct OnlyHideWhenTogglingHud;
 #[derive(Component)] struct Selectagon;
-#[derive(Component)] pub struct IsClickable;
 #[derive(Component)] pub struct IsTargeted;
 
 #[derive(Resource)]
@@ -73,6 +72,16 @@ struct Message {
     time: u64,
 }
 
+#[derive(Component)]
+pub struct IsClickable {
+    pub name: Option<String>,
+    pub distance: Option<f64>,
+}
+impl Default for IsClickable { fn default() -> Self { Self {
+    name: None,
+    distance: None,
+}}}
+
 #[derive(Resource)]
 pub struct Log {
     logs: VecDeque<Message>,
@@ -472,7 +481,7 @@ fn update_hud(
     mut query_chat: Query<&mut Text, (With<ChatText>, Without<GaugesText>)>,
     query_all_actors: Query<&actor::Actor>,
     settings: Res<settings::Settings>,
-    q_target: Query<(&Position, &actor::Actor), With<IsTargeted>>,
+    q_target: Query<(Option<&Position>, &IsClickable), With<IsTargeted>>,
 ) {
     // TODO only when hud is actually on
     if timer.0.tick(time.delta()).just_finished() || log.needs_rerendering {
@@ -516,24 +525,38 @@ fn update_hud(
                 text.sections[19].value = format!("{speed:.0}m/s | {kmh:.0}km/h");
 
                 // Target display
-                let target: Option<DVec3>;
-                if let Ok((targetpos, _actr)) = q_target.get_single() {
-                    target = Some(targetpos.0);
-                }
-                else if q_target.is_empty() {
-                    target = Some(DVec3::new(0.0, 0.0, 0.0));
+                let (x, y, z, dist_scalar) : (f64, f64, f64, f64);
+                if let Ok((_, IsClickable { distance: Some(dist), .. })) = q_target.get_single() {
+                    dist_scalar = *dist;
+                    (x, y, z) = (0.0, 0.0, 0.0);
                 }
                 else {
-                    target = None;
+                    let target: Option<DVec3>;
+                    if let Ok((Some(targetpos), _)) = q_target.get_single() {
+                        target = Some(targetpos.0);
+                    }
+                    else if q_target.is_empty() {
+                        target = Some(DVec3::new(0.0, 0.0, 0.0));
+                    }
+                    else {
+                        target = None;
+                    }
+                    if let Some(target_pos) = target {
+                        let dist = pos.0 - target_pos;
+                        (x, y, z) = (dist.x, dist.y, dist.z);
+                        dist_scalar = dist.length();
+                    }
+                    else {
+                        (x, y, z) = (0.0, 0.0, 0.0);
+                        dist_scalar = 0.0;
+                    }
                 }
-                if let Some(target_pos) = target {
-                    let dist = pos.0 - target_pos;
-                    let (x, y, z) = (dist.x, dist.y, dist.z);
-                    let dist_scalar = dist.length();
+
+                if dist_scalar != 0.0 {
                     text.sections[7].value = format!("{x:.0}m / {z:.0}m / {y:.0}m / distance: {dist_scalar:.0}m");
                 }
                 else {
-                    text.sections[7].value = format!("ERROR: MULTIPLE TARGETS");
+                    text.sections[7].value = format!("TARGET ERROR");
                 }
                 if q_target.is_empty() {
                     text.sections[21].value = "Jupiter".to_string();
@@ -541,7 +564,7 @@ fn update_hud(
                 else {
                     let targets: Vec<String> = q_target
                         .iter()
-                        .map(|(_pos, act)| act.name.clone().unwrap_or("<unnamed>".to_string()))
+                        .map(|(_, clickable)| clickable.name.clone().unwrap_or("<unnamed>".to_string()))
                         .collect();
                     text.sections[21].value = targets.join(", ");
                 }

src/world.rs

@@ -1,4 +1,4 @@
-use crate::{actor, nature, settings};
+use crate::{actor, hud, nature, settings};
 use bevy::prelude::*;
 use bevy::render::render_resource::{AsBindGroup, ShaderRef};
 use bevy::math::{DVec3, I64Vec3};
@@ -151,6 +151,10 @@ pub fn setup(
         let dist = 1e9;
         commands.spawn((
             Star,
+            hud::IsClickable {
+                name: Some("Star".to_string()),
+                distance: Some(10000000000.0),
+            },
             PbrBundle {
                 mesh: sphere_handle.clone(),
                 material: star_color_handle,