added rotation and resizing of objects in flatscreen (#12)

* added rotation and resizing of objects in flatscreen

* cargo fmt

Cargo.toml

@@ -3,6 +3,7 @@ resolver = "2"
 members = [
  "skills/cube",
  "skills/ik",
+ "skills/manipulation-flatscreen"
 ]
 
 # These settings will apply to all members of the workspace that opt in to them
@@ -14,7 +15,8 @@ edition = "2021"
 rust-version = "1.72.0"
 
 [workspace.dependencies]
-bevy = "0.11"
+bevy = "0.11.2"
+bevy_mod_picking = "0.15.0"
 color-eyre = "0.6"
 eyre = "0.6"
 tracing = "0.1"

README.md

@@ -61,7 +61,7 @@ Feel free to add to the following lists:
 - 📋 Dynamic foveated rendering
 - 📋 Get tracked positions from SlimeVR/SolarXR
 - 📋 Laser pointers
-- 📋 Resizing and grabbing object
+- ✅ Rotating and resize flatscreen
 - 📋 Friends list ( Social Feature )
 - 📋 Avatar list ( Social Feature )
 - 📋 Active game worlds ( Social Feature )

skills/manipulation-flatscreen/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "manipulation-flatscreen"
+version.workspace = true
+license.workspace = true
+repository.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+bevy.workspace = true
+color-eyre.workspace = true
+tracing.workspace = true
+bevy_mod_picking.workspace = true

skills/manipulation-flatscreen/src/main.rs

@@ -0,0 +1,129 @@
+use bevy::ecs::system::EntityCommands;
+use bevy::{pbr::DirectionalLightShadowMap, prelude::*};
+use bevy_mod_picking::events::Drag;
+use bevy_mod_picking::pointer::PointerButton;
+use bevy_mod_picking::prelude::{
+ Click, On, Pointer, RaycastPickCamera, RaycastPickTarget,
+};
+use bevy_mod_picking::{DefaultPickingPlugins, PickableBundle};
+use color_eyre::eyre::Result;
+use tracing::info;
+
+const ASSET_FOLDER: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../../assets/");
+
+fn main() -> Result<()> {
+ // Set up nice error messages
+ color_eyre::install()?;
+
+ info!("Running `manipulation-flatscreen` skill");
+
+ App::new()
+ .add_plugins(DefaultPlugins.set(AssetPlugin {
+ asset_folder: ASSET_FOLDER.to_string(),
+ ..Default::default()
+ }))
+ .add_plugins(DefaultPickingPlugins)
+ .add_systems(Startup, setup)
+ .add_systems(Update, animate_light)
+ .run();
+
+ Ok(())
+}
+
+pub fn add_events(entity_commands: &mut EntityCommands) {
+ entity_commands.insert((
+ On::<Pointer<Drag>>::target_component_mut::<Transform>(|drag, transform| {
+ let delta_y = drag.delta.y;
+ let mut delta_x = drag.delta.x;
+ match drag.button {
+ PointerButton::Primary => {
+ if drag.pointer_location.position.y < transform.translation.y {
+ delta_x *= -1.0;
+ }
+
+ let axis_of_rotation =
+ Vec3::new(delta_y, delta_x, 0.0).normalize_or_zero();
+
+ // Compute the magnitude of rotation. You can scale this to adjust rotation speed
+ let rotation_magnitude =
+ (delta_x.powi(2) + delta_y.powi(2)).sqrt() * 0.01;
+
+ // Create quaternion from axis-angle representation
+ let rotation_quat =
+ Quat::from_axis_angle(axis_of_rotation, rotation_magnitude);
+ transform.rotation = rotation_quat * transform.rotation;
+ }
+ PointerButton::Secondary => {
+ transform.scale += Vec3::splat((delta_x + delta_y) * 0.01);
+ }
+ PointerButton::Middle => {
+ transform.rotate_local_y((delta_y + delta_x) * 0.01);
+ }
+ }
+ }),
+ PickableBundle::default(), // Makes the entity pickable
+ RaycastPickTarget::default(),
+ ));
+}
+
+fn setup(
+ assets: Res<AssetServer>,
+ mut meshes: ResMut<Assets<Mesh>>,
+ mut materials: ResMut<Assets<StandardMaterial>>,
+ mut commands: Commands,
+) {
+ info!("Running setup system");
+
+ // Load assets
+ let tree_img: Handle<Image> = assets.load("tree.png");
+
+ // Build cube
+ let mut cube = commands.spawn(PbrBundle {
+ mesh: meshes.add(shape::Cube::default().into()),
+ material: materials.add(StandardMaterial {
+ base_color_texture: Some(tree_img),
+ ..default()
+ }),
+ ..default()
+ });
+ add_events(&mut cube);
+
+ // Build the rest of the scene
+ commands.spawn(DirectionalLightBundle {
+ directional_light: DirectionalLight {
+ shadows_enabled: true,
+ illuminance: 10000.,
+ ..default()
+ },
+ transform: Transform::from_xyz(8.0, 16.0, 8.0).looking_at(Vec3::ZERO, Vec3::Y),
+ ..default()
+ });
+ commands.insert_resource(DirectionalLightShadowMap { size: 4096 });
+ commands.spawn((
+ Camera3dBundle {
+ transform: Transform::from_xyz(0.0, 6., 12.0)
+ .looking_at(Vec3::new(0., 1., 0.), Vec3::Y),
+ ..default()
+ },
+ RaycastPickCamera::default(),
+ ));
+ commands.spawn(PbrBundle {
+ mesh: meshes.add(
+ shape::Plane {
+ size: 10.,
+ subdivisions: 4,
+ }
+ .into(),
+ ),
+ material: materials.add(Color::MIDNIGHT_BLUE.into()),
+ transform: Transform::from_xyz(0., 0., 0.),
+ ..default()
+ });
+}
+
+fn animate_light(mut query: Query<&mut Transform, With<DirectionalLight>>) {
+ for mut t in query.iter_mut() {
+ let t: &mut Transform = &mut t;
+ t.rotate_y(0.01);
+ }
+}