initial commit

src/main.rs

@@ -0,0 +1,118 @@
+use bevy::{
+    //bevy_dev_tools::fps_overlay::{FpsOverlayConfig, FpsOverlayPlugin},
+    prelude::*
+};
+use avian3d::prelude::*;
+
+fn main() {
+    App::new()
+    .insert_resource(GreetTimer(Timer::from_seconds(2.5, TimerMode::Repeating)))
+    .add_systems(Update, (close_on_esc, spawn_block))
+    .add_plugins((
+        DefaultPlugins,
+        PhysicsPlugins::default(),
+        /*FpsOverlayPlugin {
+            config: FpsOverlayConfig {
+                text_config: TextStyle {
+                    // Here we define size of our overlay
+                    font_size: 50.0,y
+                    // We can also change color of the overlay
+                    color: Color::srgb(0.0, 1.0, 0.0),
+                    // If we want, we can use a custom font
+                    font: default(),
+                },
+            },
+        },*/
+    ))
+    //.add_plugins(FrameTimeDiagnosticsPlugin::default())
+    .add_systems(Startup, setup)
+    .run();
+}
+
+//#[derive(Component)]
+//struct Ground;
+
+#[derive(Resource)]
+struct GreetTimer(Timer);
+
+fn setup(
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+) {
+    // floor
+    commands.spawn((
+        PbrBundle {
+            mesh: meshes.add(Plane3d::default().mesh().size(20., 20.)),
+            material: materials.add(Color::srgb(0.3, 0.5, 0.3)),
+            ..default()
+        },
+        RigidBody::Static,
+        Collider::cuboid(20.0, 0.0, 20.0),
+        //Ground,
+    ));
+
+    // Dynamic physics object with a collision shape and initial angular velocity
+    commands.spawn((
+        PbrBundle {
+        mesh: meshes.add(Cuboid::new(1.0, 1.0, 1.0)),
+        material: materials.add(Color::srgb_u8(124, 144, 255)),
+        transform: Transform::from_xyz(0.0, 5.0, 0.0),
+        ..default()
+        },
+        RigidBody::Dynamic,
+        Collider::cuboid(1.0, 1.0, 1.0),
+        AngularVelocity(Vec3::new(1.5, 2.5, 0.5)),
+    ));
+
+    // light
+    commands.spawn(DirectionalLightBundle {
+        transform: Transform::from_translation(Vec3::ONE).looking_at(Vec3::ZERO, Vec3::Y),
+        ..default()
+    });
+
+    // camera
+    commands.spawn(Camera3dBundle {
+        transform: Transform::from_xyz(15.0, 5.0, 15.0).looking_at(Vec3::ZERO, Vec3::Y),
+        ..default()
+    });
+}
+
+pub fn close_on_esc(
+    mut commands: Commands,
+    focused_windows: Query<(Entity, &Window)>,
+    input: Res<ButtonInput<KeyCode>>,
+) {
+    for (window, focus) in focused_windows.iter() {
+        if !focus.focused {
+            continue;
+        }
+
+        if input.just_pressed(KeyCode::Escape) {
+            commands.entity(window).despawn();
+        }
+    }
+}
+
+fn spawn_block(
+    time: Res<Time>,
+    mut timer: ResMut<GreetTimer>,
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+) {
+    if timer.0.tick(time.delta()).just_finished() {
+        // Dynamic physics object with a collision shape and initial angular velocity every 2.5 Seconds
+        commands.spawn((
+            PbrBundle {
+            mesh: meshes.add(Cuboid::new(1.0, 1.0, 1.0)),
+            material: materials.add(Color::srgb_u8(124, 144, 255)),
+            transform: Transform::from_xyz(0.0, 5.0, 0.0),
+            ..default()
+            },
+            RigidBody::Dynamic,
+            Collider::cuboid(1.0, 1.0, 1.0),
+            AngularVelocity(Vec3::new(1.5, 2.5, 0.5)),
+        ));
+    }
+}