Adding components for visual feedback on HPUI

Runtime/Components/HPUIInteractorLRVisual.cs

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+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using UnityEngine;
+using UnityEngine.XR.Interaction.Toolkit;
+using UnityEngine.XR.Interaction.Toolkit.Interactors;
+using UnityEngine.XR.Interaction.Toolkit.Interactables;
+using UnityEngine.XR.Interaction.Toolkit.Utilities;
+using UnityEngine.XR.Hands;
+using Unity.XR.CoreUtils;
+using UnityEngine.Pool;
+using ubco.ovilab.HPUI.Interaction;
+
+namespace ubco.ovilab.HPUI.Components
+{
+    public class HPUIInteractorLRVisual: MonoBehaviour
+    {
+        [SerializeField, Tooltip("The line renderer object to manage")]
+        private LineRenderer lineRenderer;
+
+        [SerializeField, Tooltip("The target interactor for event to subscribe to")]
+        private HPUIInteractor hpuiInteractor;
+
+        /// <inheritdoc />
+        private void OnEnable()
+        {
+            if (hpuiInteractor == null)
+            {
+                hpuiInteractor = GetComponent<HPUIInteractor>();
+            }
+
+            if (lineRenderer == null)
+            {
+                lineRenderer = gameObject.AddComponent<LineRenderer>();
+            }
+
+            if (hpuiInteractor != null)
+            {
+                hpuiInteractor.HoverUpdateEvent.AddListener(OnHoverUpdate);
+                hpuiInteractor.hoverEntered.AddListener(OnHoverEntered);
+                hpuiInteractor.hoverExited.AddListener(OnHoverExited);
+            }
+        }
+
+        /// <inheritdoc />
+        private void OnDisable()
+        {
+            if (hpuiInteractor != null)
+            {
+                hpuiInteractor.HoverUpdateEvent.RemoveListener(OnHoverUpdate);
+                hpuiInteractor.hoverEntered.RemoveListener(OnHoverEntered);
+                hpuiInteractor.hoverExited.RemoveListener(OnHoverExited);
+            }
+        }
+
+        /// <summary>
+        /// Callback for <see cref="HPUIInteractor.HoverUpdateEvent"/>
+        /// </summary>
+        private void OnHoverUpdate(HPUIHoverUpdateEventArgs arg)
+        {
+            lineRenderer.SetPosition(0, arg.attachPoint);
+            lineRenderer.SetPosition(1, arg.hoverPoint);
+        }
+
+        /// <summary>
+        /// Callback for <see cref="HPUIInteractor.hoverEntered"/>
+        /// </summary>
+        private void OnHoverEntered(HoverEnterEventArgs args)
+        {
+            if (lineRenderer != null)
+            {
+                lineRenderer.enabled = true;
+            }
+        }
+
+        /// <summary>
+        /// Callback for <see cref="HPUIInteractor.hoverExited"/>
+        /// </summary>
+        private void OnHoverExited(HoverExitEventArgs args)
+        {
+            if (lineRenderer != null)
+            {
+                lineRenderer.enabled = false;
+            }
+        }
+    }
+}

Runtime/Components/HPUIInteractorTransformVisual.cs

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+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using UnityEngine;
+using UnityEngine.XR.Interaction.Toolkit;
+using UnityEngine.XR.Interaction.Toolkit.Interactors;
+using UnityEngine.XR.Interaction.Toolkit.Interactables;
+using UnityEngine.XR.Interaction.Toolkit.Utilities;
+using UnityEngine.XR.Hands;
+using Unity.XR.CoreUtils;
+using UnityEngine.Pool;
+using ubco.ovilab.HPUI.Interaction;
+
+namespace ubco.ovilab.HPUI.Components
+{
+    public class HPUIInteractorTransformVisual: MonoBehaviour
+    {
+        [SerializeField, Tooltip("The line renderer object to manage")]
+        private Transform visualTransform;
+
+        [SerializeField, Tooltip("The target interactor for event to subscribe to")]
+        private HPUIInteractor hpuiInteractor;
+
+        /// <inheritdoc />
+        private void OnEnable()
+        {
+            if (hpuiInteractor == null)
+            {
+                hpuiInteractor = GetComponent<HPUIInteractor>();
+            }
+
+            if (hpuiInteractor != null)
+            {
+                hpuiInteractor.HoverUpdateEvent.AddListener(OnHoverUpdate);
+                hpuiInteractor.hoverEntered.AddListener(OnHoverEntered);
+                hpuiInteractor.hoverExited.AddListener(OnHoverExited);
+            }
+        }
+
+        /// <inheritdoc />
+        private void OnDisable()
+        {
+            if (hpuiInteractor != null)
+            {
+                hpuiInteractor.HoverUpdateEvent.RemoveListener(OnHoverUpdate);
+                hpuiInteractor.hoverEntered.RemoveListener(OnHoverEntered);
+                hpuiInteractor.hoverExited.RemoveListener(OnHoverExited);
+            }
+        }
+
+        /// <summary>
+        /// Callback for <see cref="HPUIInteractor.HoverUpdateEvent"/>
+        /// </summary>
+        private void OnHoverUpdate(HPUIHoverUpdateEventArgs arg)
+        {
+            visualTransform.position = arg.hoverPoint;
+        }
+
+        /// <summary>
+        /// Callback for <see cref="HPUIInteractor.hoverEntered"/>
+        /// </summary>
+        private void OnHoverEntered(HoverEnterEventArgs args)
+        {
+            if (visualTransform != null)
+            {
+                visualTransform.gameObject.SetActive(true);
+            }
+        }
+
+        /// <summary>
+        /// Callback for <see cref="HPUIInteractor.hoverExited"/>
+        /// </summary>
+        private void OnHoverExited(HoverExitEventArgs args)
+        {
+            if (visualTransform != null)
+            {
+                visualTransform.gameObject.SetActive(false);
+            }
+        }
+    }
+}