feat(): bevy 101

.gitignore

@@ -1,3 +1,7 @@
+# Assets and songs
+assets
+songs
+
 # ---> Rust
 # Generated by Cargo
 # will have compiled files and executables
@@ -10,3 +14,8 @@ Cargo.lock
 # These are backup files generated by rustfmt
 **/*.rs.bk
 
+
+
+# Added by cargo
+
+/target

Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "sky_hero"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+bevy = { version = "0.10.1", features = ["dynamic_linking"] }
+
+# Enable a small amount of optimization in debug mode
+[profile.dev]
+opt-level = 1
+
+# Enable high optimizations for dependencies (incl. Bevy), but not for our code:
+[profile.dev.package."*"]
+opt-level = 3

src/main.rs

@@ -0,0 +1,136 @@
+use bevy::{
+    prelude::*,
+    window::PresentMode,
+};
+
+#[derive(Component)]
+struct Person;
+
+#[derive(Component)]
+struct Name(String);
+
+#[derive(Resource)]
+struct GreetTimer(Timer);
+
+pub struct HelloPlugin;
+
+impl Plugin for HelloPlugin {
+    fn build(&self, app: &mut App) {
+        app.insert_resource(GreetTimer(Timer::from_seconds(2.0, TimerMode::Repeating)))
+            .add_startup_system(add_people)
+            .add_system(greet_people);
+    }
+}
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins.set(WindowPlugin {
+            primary_window: Some(Window {
+                title: "Sky Hero".into(),
+                resolution:(640., 480.).into(),
+                present_mode: PresentMode::AutoVsync,
+                // Tells wasm to resize the window according to the available canvas
+                fit_canvas_to_parent: false,
+                // Tells wasm not to override default event handling, like F5, Ctrl+R etc.
+                prevent_default_event_handling: false,
+                ..default()
+            }),
+            ..default()}))
+        .add_plugin(HelloPlugin)
+        .add_startup_system(setup)
+        .add_system(button_system)
+        .run();
+}
+
+#[allow(dead_code)]
+fn hello_world(time: Res<Time>, mut timer: ResMut<GreetTimer>) {
+    if timer.0.tick(time.delta()).just_finished() {
+        println!("Hello, world!");
+    }
+}
+
+
+const NORMAL_BUTTON: Color = Color::rgb(0.15, 0.15, 0.15);
+const HOVERED_BUTTON: Color = Color::rgb(0.25, 0.25, 0.25);
+const PRESSED_BUTTON: Color = Color::rgb(0.35, 0.75, 0.35);
+
+fn button_system(
+    mut interaction_query: Query<
+    (&Interaction, &mut BackgroundColor, &Children),
+    (Changed<Interaction>, With<Button>),
+    >,
+    mut text_query: Query<&mut Text>,
+    ) {
+    for (interaction, mut color, children) in &mut interaction_query {
+        let mut text = text_query.get_mut(children[0]).unwrap();
+        match *interaction {
+            Interaction::Clicked => {
+                text.sections[0].value = "Press".to_string();
+                *color = PRESSED_BUTTON.into();
+                println!("TA APPUYE SUR LE BOUTON MAON SANG");
+            }
+            Interaction::Hovered => {
+                text.sections[0].value = "Hover".to_string();
+                *color = HOVERED_BUTTON.into();
+            }
+            Interaction::None => {
+                text.sections[0].value = "Button".to_string();
+                *color = NORMAL_BUTTON.into();
+            }
+        }
+    }
+}
+
+fn add_people(mut commands: Commands) {
+    commands.spawn((Person, Name("Elaine Proctor".to_string())));
+    commands.spawn((Person, Name("Renzo Hume".to_string())));
+    commands.spawn((Person, Name("Zayna Nieves".to_string())));
+}
+
+fn greet_people(time: Res<Time>, mut timer: ResMut<GreetTimer>, query: Query<&Name, With<Person>>) {
+    if timer.0.tick(time.delta()).just_finished() {
+        for name in &query {
+            println!("hello {}!", name.0);
+        }
+    }
+}
+
+fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
+    // ui camera
+    commands.spawn(Camera2dBundle::default());
+    commands
+        .spawn(NodeBundle {
+            style: Style {
+                size: Size::width(Val::Percent(100.0)),
+                align_items: AlignItems::Center,
+                justify_content: JustifyContent::Center,
+                ..default()
+            },
+            ..default()
+        })
+    .with_children(|parent| {
+        parent
+            .spawn(ButtonBundle {
+                style: Style {
+                    size: Size::new(Val::Px(150.0), Val::Px(65.0)),
+                    // horizontally center child text
+                    justify_content: JustifyContent::Center,
+                    // vertically center child text
+                    align_items: AlignItems::Center,
+                    ..default()
+                },
+                background_color: NORMAL_BUTTON.into(),
+                ..default()
+            })
+        .with_children(|parent| {
+            parent.spawn(TextBundle::from_section(
+                    "Button",
+                    TextStyle {
+                        font: asset_server.load("fonts/FiraSans-Bold.ttf"),
+                        font_size: 40.0,
+                        color: Color::rgb(0.9, 0.9, 0.9),
+                    },
+                    ));
+        });
+    });
+}