modified screen size

src/hand.rs

@@ -48,6 +48,16 @@ fn spawn_hand(
         },
         RigidBody::Dynamic,
         Grabbable,
+        LinearDamping(1.0),
+    ));
+
+    commands.spawn((
+        MaterialMesh2dBundle {
+            mesh: Mesh2dHandle(meshes.add(Rectangle::new(1280.0, 720.0))),
+            material: materials.add(Color::hsl(0.0, 0.50, 0.50)),
+            transform: Transform::from_xyz(0.0, 0.0, -2.0),
+            ..default()
+        },
     ));
 
     //Input map
@@ -71,6 +81,7 @@ fn spawn_hand(
 fn drop(
     mut commands: Commands,
     hands: Query<(&ActionState<HandActions>, Entity, &Grabbing), With<CurrentHand>>,
+    joints: Query<&FixedJoint>,
     mut objects: Query<&mut Transform>,
 ) {
     if hands.is_empty() {
@@ -85,10 +96,14 @@ fn drop(
 
     let mut hand_commands = commands.entity(hand);
 
-    let mut transform = objects.get_mut(grabbing.0).unwrap();
-
-    hand_commands.remove_children(&[grabbing.0]);
     hand_commands.remove::<Grabbing>();
+    let joint = grabbing.0;
+
+    let object = joints.get(joint).unwrap().entity1;
+
+    commands.entity(joint).despawn();
+
+    let mut transform = objects.get_mut(object).unwrap();
 
     transform.translation.z = -1.0;
 }
@@ -121,14 +136,14 @@ fn grab(
     for (bounding_box, object, mut object_transform) in hands_and_objects.p1().iter_mut() {
         // Clicked on grabble thing attach to hand
         if bounding_box.0.contains(hand_spot.truncate()) {
-            let mut hand_commands = commands.entity(hand);
-            hand_commands.insert(Grabbing(object));
-            // hand_commands.add_child(object);
-
             let mut joint = FixedJoint::new(object, hand);
             joint.local_anchor2 = Vec2::new(0.0, -HAND_OFFSET);
 
-            commands.spawn(joint);
+            let joint_commands = commands.spawn(joint);
+            let joint_entity = joint_commands.id();
+
+            let mut hand_commands = commands.entity(hand);
+            hand_commands.insert(Grabbing(joint_entity));
 
             object_transform.translation.z = 1.0;
         }

src/main.rs

@@ -7,7 +7,7 @@
 use avian2d::prelude::*;
 use bevy::asset::AssetMetaCheck;
 use bevy::prelude::*;
-
+use bevy::window::WindowResolution;
 mod hand;
 
 #[derive(Component)]
@@ -16,6 +16,9 @@ pub struct ImageSize(Vec2);
 #[derive(Component)]
 pub struct BoundingBox(Rect);
 
+pub const SCREEN_W : f32 = 1280.0;
+pub const SCREEN_H : f32 = 720.0;
+
 fn main() {
     let mut app = App::new();
     app.add_plugins((
@@ -25,6 +28,13 @@ fn main() {
             // See https://github.com/bevyengine/bevy_github_ci_template/issues/48.
             meta_check: AssetMetaCheck::Never,
             ..default()
+        }).set(WindowPlugin {
+            primary_window: Some(Window {
+                resolution: WindowResolution::new(SCREEN_W, SCREEN_H),
+                resizable: false,
+                ..default()
+            }),
+            ..default()
         }),
         PhysicsPlugins::default(),
         PhysicsDebugPlugin::default(),