picking things + random seed

src/map.rs

@@ -1,6 +1,6 @@
 use bevy::{asset::RenderAssetUsages, picking::PickSet, prelude::*, render::mesh::{Indices, PrimitiveTopology}, utils::HashMap};
 use noise::{Fbm, MultiFractal, NoiseFn, Perlin};
-use rand::{Rng, SeedableRng};
+use rand::{thread_rng, Rng, SeedableRng};
 use voronoice::{BoundingBox, Point, VoronoiBuilder};
 
 mod cells;
@@ -15,8 +15,9 @@ impl bevy::prelude::Plugin for Plugin {
             .insert_resource(Time::<Fixed>::from_seconds(0.25)) // Time for a day
             .add_systems(FixedUpdate, update_cells)
             .add_systems(PreUpdate, picking_backend.in_set(PickSet::Backend))
+            .add_systems(Update, update_map_mesh)
             .insert_resource(ClearColor(Color::srgb(0., 0., 1.)))
-            .insert_resource(Seed(0));
+            .insert_resource(Seed(thread_rng().gen()));
     }
 }
 
@@ -79,7 +80,7 @@ fn setup(
         } else if z <= 0.52 {
             CellKind::Beach
         } else if z < 0.8 {
-            CellKind::Grass
+            CellKind::Dirt
         } else {
             CellKind::Stone
         };
@@ -135,8 +136,13 @@ fn setup(
     )).with_children(|parent| {
         for cd in cells_data {
             let mut cmd = parent.spawn((cd, LastUpdate(0)));
-            cmd.observe(|trigger: Trigger<Pointer<Drag>>, mut cells: Query<&mut CellData>| {
+            cmd.observe(|trigger: Trigger<Pointer<Click>>, mut cells: Query<&mut CellData>| {
-                cells.get_mut(trigger.target).unwrap().kind = CellKind::Sea;
+                let mut cd = cells.get_mut(trigger.target).unwrap();
+                match cd.kind {
+                    CellKind::Dirt | CellKind::Grass => {cd.kind = CellKind::Forest;},
+                    _ => {}
+                }
+                dbg!(trigger.target);
             });
             cells_entities.push(cmd.id());
         }
@@ -148,14 +154,8 @@ fn setup(
 pub struct LastUpdate(usize);
 
 fn update_cells(
-    mut cells: Query<(&mut CellData, &mut LastUpdate)>,
+    mut cells: Query<(&mut CellData, &mut LastUpdate)>
-    mut map: Query<(&Mesh2d, &mut MapColors), With<MapMarker>>,
-    mut meshes: ResMut<Assets<Mesh>>
 ) {
-    let (mesh, mut cols) = map.single_mut();
-    if let Some(mesh) = meshes.get_mut(mesh) {
-        // let cols = mesh.attribute_mut(Mesh::ATTRIBUTE_COLOR).unwrap();
-        let mut modified = false;
     for (mut cd, mut lu) in cells.iter_mut() {
         lu.0 += 1;
         if lu.0 > match cd.kind {
@@ -166,7 +166,18 @@ fn update_cells(
             lu.0 = 0;
             cd.resource = (cd.resource + 1).clamp(0, 4);
         }
-            // cd.update();
+    }
+}
+
+fn update_map_mesh(
+    cells: Query<&CellData>,
+    mut map: Query<(&Mesh2d, &mut MapColors), With<MapMarker>>,
+    mut meshes: ResMut<Assets<Mesh>>
+) {
+    let (mesh, mut cols) = map.single_mut();
+    if let Some(mesh) = meshes.get_mut(mesh) {
+        let mut modified = false;
+        for cd in cells.iter() {
             let col = cd.color();
             for id in cd.vertices.iter() {
                 modified = modified || cols.0[*id] != col;

src/ui.rs

@@ -16,13 +16,17 @@ fn setup(
     mut cmds: Commands
 ) {
     cmds.spawn((
-    //     Node {
+        Node {
-    //         width: Val::Percent(100.0),
+            width: Val::Percent(100.0),
-    //         height: Val::Percent(100.0),
+            height: Val::Percent(100.0),
-    //         align_items: AlignItems::Center,
+            align_items: AlignItems::Center,
-    //         justify_content: JustifyContent::Center,
+            justify_content: JustifyContent::Center,
-    //         ..default()
+            ..default()
-    //     },
+        },
+        PickingBehavior {
+            should_block_lower: false,
+            is_hoverable: true
+        },
         MapUIComponent));
     // )).observe(|mut trigger: Trigger<Pointer<Click>>, map: Query<(&map::Voronoi, &map::CellsEntities), With<MapMarker>>| {
     //     let event = trigger.event();