do not repeat already guessed cons

src/game_state.rs

@@ -33,6 +33,8 @@ pub struct HintLabel;
 
 pub fn setup(
 	mut commands: Commands, 
+	mut game_data: ResMut<GameData>,
+	sky: Res<Sky>,
 ) {
     let container_node = NodeBundle {
         style: Style {
@@ -162,6 +164,9 @@ pub fn setup(
     let hint_label = commands.spawn((hint_label_node, MainGame, HintLabel)).id();
 
     commands.entity(centered_container).push_children(&[hint_label]);
+
+	*game_data = GameData::default();
+	game_data.content = sky.as_string();
 }
 
 
@@ -330,6 +335,8 @@ pub fn ui_buttons(
    		game_data.health -= 1;
    	}
 
+   	game_data.content.retain(|x| x != &target_cons);
+
    	game_data.state = PlayerState::Answered;
 
  	for (
@@ -369,14 +376,18 @@ fn choose_constellation(
 	if game_data.health == 0 {
 		game_state.set(GameState::End);
 	}
-	if sky.content.len() >= 4 {
+
+	if game_data.content.len() < 4 {
+		game_state.set(GameState::End);
+	}
+	
     let mut rng = rand::thread_rng();
-        let mut selected_constellations = sky.content.clone();
-        selected_constellations.shuffle(&mut rng);
-        let constellations = &selected_constellations[0..4];
+    let mut cons_names = game_data.content.clone();
+    cons_names.shuffle(&mut rng);
+    let selected_cons_names = &cons_names[0..4];
 
     let target_index = rng.next_u32().rem_euclid(4) as usize;
-        let target_constellation = &constellations[target_index];
+    let target_constellation = sky.get_constellation(&selected_cons_names[target_index]);
 
     player.target_rotation = Some(constellation_center(target_constellation.clone()));
     game_data.target_cons_name = Some(target_constellation.name.clone());
@@ -384,7 +395,7 @@ fn choose_constellation(
     info!("Target constellation: {}", target_constellation.name);
 
     for (i, mut text) in text_query.iter_mut().enumerate() {
-            text.sections[0].value = constellations[i].name.clone();
+        text.sections[0].value = selected_cons_names[i].clone();
     }
 
     for (mut bg_color, mut border_color) in &mut button_query {
@@ -397,9 +408,6 @@ fn choose_constellation(
     }
 
     game_data.state = PlayerState::Playing;
-    } else {
-        info!("Not enough constellations in the sky (need 4)");
-    }
 }
 
 fn constellation_center(target_constellation: Constellation) -> Quat {

src/main.rs

@@ -41,29 +41,27 @@ struct StarData {
     name: Option<String>,
 }
 
-#[derive(Resource, Default)]
+#[derive(Resource, Default, Clone)]
 struct Sky {
     content: Vec<Constellation>,
 }
 
-#[derive(Resource)]
-struct GameData {
-    seen: Vec<Constellation>,
-	score: usize,
-	health: usize,
-	state: PlayerState,
-	target_cons_name: Option<String>,
-}
-
-impl Default for GameData {
-    fn default() -> Self {
-         GameData {
-         	seen: vec![],
-   	    	score: 0,
-   	    	health: 3,
-   	    	state: PlayerState::Playing,
-   	    	target_cons_name: None,
+impl Sky {
+	fn as_string(&self) -> Vec<String> {
+		let mut cons_names : Vec<String> = vec![];
+		for cons in self.content.clone() {
+			cons_names.push(cons.name.clone());
 		}
+		return cons_names;
+	}
+
+	fn get_constellation(&self, name: &str) -> Constellation {
+		for cons in self.content.clone() {
+			if &cons.name == name {
+				return cons;
+			}
+		}
+		return self.content[0].clone();
 	} 
 }
 
@@ -111,6 +109,27 @@ struct Player {
 	dragging_pos: Option<Vec2>,
 }
 
+#[derive(Resource)]
+struct GameData {
+    content: Vec<String>,
+	score: usize,
+	health: usize,
+	state: PlayerState,
+	target_cons_name: Option<String>,
+}
+
+impl Default for GameData {
+    fn default() -> Self {
+         GameData {
+         	content: vec![],
+   	    	score: 0,
+   	    	health: 3,
+   	    	state: PlayerState::Playing,
+   	    	target_cons_name: None,
+   	    }
+    }
+}
+
 #[derive(Default, PartialEq)]
 enum PlayerState {
 	#[default]

src/start_state.rs

@@ -3,7 +3,6 @@ use std::f64::consts::PI;
 //use bevy::input::mouse::MouseMotion;
 use crate::GameState;
 use crate::StartMenu;
-use crate::GameData;
 use crate::Player;
 
 #[derive(Component)]
@@ -19,7 +18,6 @@ pub fn audio_setup(asset_server: Res<AssetServer>, mut commands: Commands) {
 
 pub fn setup(
 	mut commands: Commands,
-	mut game_data: ResMut<GameData>
 ) {
     let container_node = NodeBundle {
         style: Style {
@@ -63,8 +61,6 @@ pub fn setup(
     let bottom_text = commands.spawn((bottom_text_node, StartMenu)).id();
 
     commands.entity(container).push_children(&[top_text, bottom_text]);
-
-	*game_data = GameData::default();
 }
 
 pub fn player_interact(