1 commit

.gitignore

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+/target

Cargo.toml

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+[package]
+name = "bevy_tuto"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+bevy = "0.19"

src/main.rs

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+use bevy::{input::keyboard, prelude::*};
+
+#[derive(Component)]
+struct Vehicle {
+    speed: f32,
+    velocity: Vec3,
+}
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_systems(Startup, setup)
+        .add_systems(Update, move_vehicle)
+        .run();
+}
+
+fn setup(
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+) {
+    // lumière globale = ressource
+    commands.insert_resource(GlobalAmbientLight {
+        color: Color::WHITE,
+        brightness: 500.0,
+        affects_lightmapped_meshes: true,
+    });
+    // ajout caméra
+    commands.spawn((
+        Camera3d::default(),
+        Transform::from_xyz(0.0, 10.0, 15.0).looking_at(Vec3::ZERO, Vec3::Y),
+    ));
+    // ajout sol
+    commands.spawn((
+        Mesh3d(meshes.add(Plane3d::default().mesh().size(20.0, 20.0))),
+        MeshMaterial3d(materials.add(Color::srgb(0.3, 0.5, 0.3))),
+        Transform::default(),
+    ));
+    // ajout véhicule
+    commands.spawn((
+        Vehicle {
+            speed: 5.0,
+            velocity: Vec3::ZERO,
+        },
+        Mesh3d(meshes.add(Cuboid::new(1.0, 0.5, 2.0))),
+        MeshMaterial3d(materials.add(Color::srgb(0.8, 0.2, 0.2))),
+        Transform::from_xyz(0.0, 0.25, 0.0),
+    ));
+}
+
+fn move_vehicle(
+    keyboard_input: Res<ButtonInput<KeyCode>>,
+    time: Res<Time>,
+    mut query: Query<(&mut Vehicle, &mut Transform)>,
+) {
+    for (mut vehicle, mut transform) in &mut query {
+        vehicle.velocity = Vec3::ZERO;
+        if keyboard_input.pressed(KeyCode::ArrowUp) {
+            vehicle.velocity.z -= vehicle.speed;
+        }
+        if keyboard_input.pressed(KeyCode::ArrowDown) {
+            vehicle.velocity.z += vehicle.speed;
+        }
+        if keyboard_input.pressed(KeyCode::ArrowLeft) {
+            vehicle.velocity.x -= vehicle.speed;
+        }
+        if keyboard_input.pressed(KeyCode::ArrowRight) {
+            vehicle.velocity.x += vehicle.speed;
+        }
+        transform.translation += vehicle.velocity * time.delta_seconds();
+    }
+}