forked from cgvr/DeltaVR
124 lines
3.9 KiB
C#
124 lines
3.9 KiB
C#
using System.Collections.Generic;
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#if XR_HANDS
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using UnityEngine.XR.Hands;
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#endif
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namespace UnityEngine.XR.Interaction.Toolkit.Samples.Hands
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{
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/// <summary>
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/// Manages swapping between hands and controllers at runtime based on whether hands are tracked.
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/// </summary>
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public class HandsAndControllersManager : MonoBehaviour
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{
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[SerializeField]
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[Tooltip("GameObject to toggle on when the left hand is tracked and off when it is not tracked.")]
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GameObject m_LeftHand;
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[SerializeField]
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[Tooltip("GameObject to toggle on when the right hand is tracked and off when it is not tracked.")]
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GameObject m_RightHand;
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[SerializeField]
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[Tooltip("GameObject to toggle off when the left hand is tracked and on when it is not tracked.")]
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GameObject m_LeftController;
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[SerializeField]
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[Tooltip("GameObject to toggle off when the right hand is tracked and on when it is not tracked.")]
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GameObject m_RightController;
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#if XR_HANDS
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XRHandSubsystem m_Subsystem;
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static readonly List<XRHandSubsystem> s_Subsystems = new List<XRHandSubsystem>();
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#endif
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/// <summary>
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/// See <see cref="MonoBehaviour"/>.
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/// </summary>
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protected void OnEnable()
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{
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#if XR_HANDS
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SubsystemManager.GetSubsystems(s_Subsystems);
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if (s_Subsystems.Count == 0)
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{
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Debug.LogWarning("Hand Tracking Subsystem not found, can't subscribe to hand tracking status. Enable that feature in the OpenXR project settings and ensure OpenXR is enabled as the plug-in provider.", this);
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ToggleLeftHand(false);
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ToggleRightHand(false);
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return;
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}
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m_Subsystem = s_Subsystems[0];
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m_Subsystem.trackingAcquired += OnHandTrackingAcquired;
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m_Subsystem.trackingLost += OnHandTrackingLost;
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var leftHand = m_Subsystem.leftHand;
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ToggleHand(leftHand.handedness, leftHand.isTracked);
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var rightHand = m_Subsystem.rightHand;
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ToggleHand(rightHand.handedness, rightHand.isTracked);
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#else
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Debug.LogError("Script requires XR Hands (com.unity.xr.hands) package. Install using Window > Package Manager or click Fix on the related issue in Edit > Project Settings > XR Plug-in Management > Project Validation.", this);
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ToggleLeftHand(false);
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ToggleRightHand(false);
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#endif
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}
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/// <summary>
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/// See <see cref="MonoBehaviour"/>.
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/// </summary>
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protected void OnDisable()
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{
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#if XR_HANDS
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if (m_Subsystem == null)
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return;
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m_Subsystem.trackingAcquired -= OnHandTrackingAcquired;
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m_Subsystem.trackingLost -= OnHandTrackingLost;
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m_Subsystem = null;
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#endif
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}
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void ToggleLeftHand(bool handOn)
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{
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if (m_LeftHand != null)
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m_LeftHand.SetActive(handOn);
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if (m_LeftController != null)
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m_LeftController.SetActive(!handOn);
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}
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void ToggleRightHand(bool handOn)
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{
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if (m_RightHand != null)
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m_RightHand.SetActive(handOn);
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if (m_RightController != null)
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m_RightController.SetActive(!handOn);
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}
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#if XR_HANDS
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void OnHandTrackingAcquired(XRHand hand)
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{
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ToggleHand(hand.handedness, true);
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}
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void OnHandTrackingLost(XRHand hand)
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{
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ToggleHand(hand.handedness, false);
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}
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void ToggleHand(Handedness handedness, bool handOn)
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{
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switch (handedness)
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{
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case Handedness.Left:
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ToggleLeftHand(handOn);
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break;
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case Handedness.Right:
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ToggleRightHand(handOn);
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break;
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}
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}
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#endif
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}
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} |