create resource to help with entity selection

examples/xr.rs

@@ -1,13 +1,13 @@
 use std::f32::consts::PI;
 
-
 use bevy::diagnostic::{FrameTimeDiagnosticsPlugin, LogDiagnosticsPlugin};
 
-use bevy::transform::components::Transform;
 use bevy::prelude::*;
+use bevy::transform::components::Transform;
 use bevy_openxr::input::XrInput;
 use bevy_openxr::resources::{XrFrameState, XrInstance, XrSession};
 
+use bevy_openxr::xr_input::hand::HandsResource;
 use bevy_openxr::xr_input::hand_poses::*;
 use bevy_openxr::xr_input::oculus_touch::OculusController;
 use bevy_openxr::xr_input::prototype_locomotion::{proto_locomotion, PrototypeLocomotionConfig};
@@ -119,17 +119,79 @@ pub fn spawn_hand_entities(mut commands: Commands) {
         HandBone::LittleDistal,
         HandBone::LittleTip,
     ];
-
+    //hand resource
+    let mut hand_resource = HandsResource { ..default() };
     for hand in hands.iter() {
         for bone in bones.iter() {
-            commands.spawn((
+            let boneid = commands
+                .spawn((
                     SpatialBundle::default(),
                     bone.clone(),
                     OpenXRTracker,
                     hand.clone(),
-            ));
+                ))
+                .id();
+            match hand {
+                Hand::Left => match bone {
+                    HandBone::Palm => hand_resource.left.palm = boneid,
+                    HandBone::Wrist => hand_resource.left.wrist = boneid,
+                    HandBone::ThumbMetacarpal => hand_resource.left.thumb.metacarpal = boneid,
+                    HandBone::ThumbProximal => hand_resource.left.thumb.proximal = boneid,
+                    HandBone::ThumbDistal => hand_resource.left.thumb.distal = boneid,
+                    HandBone::ThumbTip => hand_resource.left.thumb.tip = boneid,
+                    HandBone::IndexMetacarpal => hand_resource.left.index.metacarpal = boneid,
+                    HandBone::IndexProximal => hand_resource.left.index.proximal = boneid,
+                    HandBone::IndexIntermediate => hand_resource.left.index.intermediate = boneid,
+                    HandBone::IndexDistal => hand_resource.left.index.distal = boneid,
+                    HandBone::IndexTip => hand_resource.left.index.tip = boneid,
+                    HandBone::MiddleMetacarpal => hand_resource.left.middle.metacarpal = boneid,
+                    HandBone::MiddleProximal => hand_resource.left.middle.proximal = boneid,
+                    HandBone::MiddleIntermediate => hand_resource.left.middle.intermediate = boneid,
+                    HandBone::MiddleDistal => hand_resource.left.middle.distal = boneid,
+                    HandBone::MiddleTip => hand_resource.left.middle.tip = boneid,
+                    HandBone::RingMetacarpal => hand_resource.left.ring.metacarpal = boneid,
+                    HandBone::RingProximal => hand_resource.left.ring.proximal = boneid,
+                    HandBone::RingIntermediate => hand_resource.left.ring.intermediate = boneid,
+                    HandBone::RingDistal => hand_resource.left.ring.distal = boneid,
+                    HandBone::RingTip => hand_resource.left.ring.tip = boneid,
+                    HandBone::LittleMetacarpal => hand_resource.left.little.metacarpal = boneid,
+                    HandBone::LittleProximal => hand_resource.left.little.proximal = boneid,
+                    HandBone::LittleIntermediate => hand_resource.left.little.intermediate = boneid,
+                    HandBone::LittleDistal => hand_resource.left.little.distal = boneid,
+                    HandBone::LittleTip => hand_resource.left.little.tip = boneid,
+                },
+                Hand::Right => match bone {
+                    HandBone::Palm => hand_resource.right.palm = boneid,
+                    HandBone::Wrist => hand_resource.right.wrist = boneid,
+                    HandBone::ThumbMetacarpal => hand_resource.right.thumb.metacarpal = boneid,
+                    HandBone::ThumbProximal => hand_resource.right.thumb.proximal = boneid,
+                    HandBone::ThumbDistal => hand_resource.right.thumb.distal = boneid,
+                    HandBone::ThumbTip => hand_resource.right.thumb.tip = boneid,
+                    HandBone::IndexMetacarpal => hand_resource.right.index.metacarpal = boneid,
+                    HandBone::IndexProximal => hand_resource.right.index.proximal = boneid,
+                    HandBone::IndexIntermediate => hand_resource.right.index.intermediate = boneid,
+                    HandBone::IndexDistal => hand_resource.right.index.distal = boneid,
+                    HandBone::IndexTip => hand_resource.right.index.tip = boneid,
+                    HandBone::MiddleMetacarpal => hand_resource.right.middle.metacarpal = boneid,
+                    HandBone::MiddleProximal => hand_resource.right.middle.proximal = boneid,
+                    HandBone::MiddleIntermediate => hand_resource.right.middle.intermediate = boneid,
+                    HandBone::MiddleDistal => hand_resource.right.middle.distal = boneid,
+                    HandBone::MiddleTip => hand_resource.right.middle.tip = boneid,
+                    HandBone::RingMetacarpal => hand_resource.right.ring.metacarpal = boneid,
+                    HandBone::RingProximal => hand_resource.right.ring.proximal = boneid,
+                    HandBone::RingIntermediate => hand_resource.right.ring.intermediate = boneid,
+                    HandBone::RingDistal => hand_resource.right.ring.distal = boneid,
+                    HandBone::RingTip => hand_resource.right.ring.tip = boneid,
+                    HandBone::LittleMetacarpal => hand_resource.right.little.metacarpal = boneid,
+                    HandBone::LittleProximal => hand_resource.right.little.proximal = boneid,
+                    HandBone::LittleIntermediate => hand_resource.right.little.intermediate = boneid,
+                    HandBone::LittleDistal => hand_resource.right.little.distal = boneid,
+                    HandBone::LittleTip => hand_resource.right.little.tip = boneid,
+                },
             }
         }
+    }
+    commands.insert_resource(hand_resource);
 }
 
 pub fn update_hand_states(

src/xr_input/hand.rs

@@ -1,3 +1,85 @@
-pub struct Hand {
+use bevy::prelude::{Entity, Resource};
-    pub HandJointPoses: [Posef; 26]
+
+#[derive(Resource, Default)]
+pub struct HandsResource {
+    pub left: HandResource,
+    pub right: HandResource,
+}
+
+pub struct HandResource {
+    pub palm: Entity,
+    pub wrist: Entity,
+    pub thumb: ThumbResource,
+    pub index: IndexResource,
+    pub middle: MiddleResource,
+    pub ring: RingResource,
+    pub little: LittleResource,
+}
+
+impl Default for HandResource {
+    fn default() -> Self {
+        Self { palm: Entity::PLACEHOLDER, wrist: Entity::PLACEHOLDER, thumb: Default::default(), index: Default::default(), middle: Default::default(), ring: Default::default(), little: Default::default() }
+    }
+}
+
+pub struct ThumbResource {
+    pub metacarpal: Entity,
+    pub proximal: Entity,
+    pub distal: Entity,
+    pub tip: Entity,
+}
+
+impl Default for ThumbResource {
+    fn default() -> Self {
+        Self { metacarpal: Entity::PLACEHOLDER, proximal: Entity::PLACEHOLDER, distal: Entity::PLACEHOLDER, tip: Entity::PLACEHOLDER }
+    }
+}
+pub struct IndexResource {
+    pub metacarpal: Entity,
+    pub proximal: Entity,
+    pub intermediate: Entity,
+    pub distal: Entity,
+    pub tip: Entity,
+}
+
+impl Default for IndexResource {
+    fn default() -> Self {
+        Self { metacarpal: Entity::PLACEHOLDER, proximal: Entity::PLACEHOLDER, intermediate: Entity::PLACEHOLDER, distal: Entity::PLACEHOLDER, tip: Entity::PLACEHOLDER }
+    }
+}
+pub struct MiddleResource {
+    pub metacarpal: Entity,
+    pub proximal: Entity,
+    pub intermediate: Entity,
+    pub distal: Entity,
+    pub tip: Entity,
+}
+impl Default for MiddleResource {
+    fn default() -> Self {
+        Self { metacarpal: Entity::PLACEHOLDER, proximal: Entity::PLACEHOLDER, intermediate: Entity::PLACEHOLDER, distal: Entity::PLACEHOLDER, tip: Entity::PLACEHOLDER }
+    }
+}
+pub struct RingResource {
+    pub metacarpal: Entity,
+    pub proximal: Entity,
+    pub intermediate: Entity,
+    pub distal: Entity,
+    pub tip: Entity,
+}
+impl Default for RingResource {
+    fn default() -> Self {
+        Self { metacarpal: Entity::PLACEHOLDER, proximal: Entity::PLACEHOLDER, intermediate: Entity::PLACEHOLDER, distal: Entity::PLACEHOLDER, tip: Entity::PLACEHOLDER }
+    }
+}
+pub struct LittleResource {
+    pub metacarpal: Entity,
+    pub proximal: Entity,
+    pub intermediate: Entity,
+    pub distal: Entity,
+    pub tip: Entity,
+}
+impl Default for LittleResource {
+    fn default() -> Self {
+        Self { metacarpal: Entity::PLACEHOLDER, proximal: Entity::PLACEHOLDER, intermediate: Entity::PLACEHOLDER, distal: Entity::PLACEHOLDER, tip: Entity::PLACEHOLDER }
+    }
 }

src/xr_input/mod.rs

@@ -5,6 +5,7 @@ pub mod prototype_locomotion;
 pub mod trackers;
 pub mod xr_camera;
 pub mod hand_poses;
+pub mod hand;
 
 use crate::resources::XrSession;
 use crate::xr_begin_frame;