126 lines
4.7 KiB
C#
126 lines
4.7 KiB
C#
using UnityEngine;
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namespace Stary.Evo.RKTools
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{
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#if Evo_Xreal
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public abstract class GestureXrealBase : MonoBehaviour
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{
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[SerializeField]
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private UnityEngine.XR.Hands.Handedness m_Handedness;
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private UnityEngine.XR.Hands.XRHandTrackingEvents handTrackingEvents = null;
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[SerializeField] [Tooltip("The hand shape or pose that must be detected for the gesture to be performed.")]
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private ScriptableObject m_HandShapeOrPose;
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[SerializeField]
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[Tooltip(
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"The minimum amount of time the hand must be held in the required shape and orientation for the gesture to be performed.")]
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float m_MinimumHoldTime = 0.2f;
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[SerializeField] [Tooltip("The interval at which the gesture detection is performed.")]
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private float m_GestureDetectionInterval = 0.1f;
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private float m_TimeOfLastConditionCheck;
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private UnityEngine.XR.Hands.Gestures.XRHandShape m_HandShape;
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private UnityEngine.XR.Hands.Gestures.XRHandPose m_HandPose;
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private bool m_WasDetected; // 上一帧是否检测到手势
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private bool m_PerformedTriggered; // 手势执行事件是否已触发
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private float m_HoldStartTime; // 手势开始保持的时间
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protected void OnEnable()
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{
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var trackingEvents = GameObject.FindObjectsOfType<UnityEngine.XR.Hands.XRHandTrackingEvents>();
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if (handTrackingEvents == null)
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{
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foreach (var track in trackingEvents)
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{
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if (track.handedness == m_Handedness)
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{
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handTrackingEvents = track;
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break;
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}
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}
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}
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handTrackingEvents.jointsUpdated.AddListener(OnJointsUpdated);
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m_HandShape = m_HandShapeOrPose as UnityEngine.XR.Hands.Gestures.XRHandShape;
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m_HandPose = m_HandShapeOrPose as UnityEngine.XR.Hands.Gestures.XRHandPose;
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}
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void OnDisable()
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{
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handTrackingEvents.jointsUpdated.RemoveListener(OnJointsUpdated);
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}
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/// <summary>
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/// 手部关节数据更新时的回调方法
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/// </summary>
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/// <param name="eventArgs">关节更新事件参数，包含手部关节数据</param>
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void OnJointsUpdated(UnityEngine.XR.Hands.XRHandJointsUpdatedEventArgs eventArgs)
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{
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// 检查是否在检测间隔内，避免过于频繁的检测
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if (!isActiveAndEnabled ||
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Time.timeSinceLevelLoad < m_TimeOfLastConditionCheck + m_GestureDetectionInterval)
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return;
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// 检查手部是否被跟踪，以及是否满足形状或姿势条件
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var detected =
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handTrackingEvents.handIsTracked &&
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(m_HandShape != null && m_HandShape.CheckConditions(eventArgs) ||
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m_HandPose != null && m_HandPose.CheckConditions(eventArgs));
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// 处理检测状态的变化
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if (!m_WasDetected && detected)
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{
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// 开始检测到手势，记录开始时间
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m_HoldStartTime = Time.timeSinceLevelLoad;
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}
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else if (m_WasDetected && !detected)
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{
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// 手势结束，重置触发状态并触发结束事件
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m_PerformedTriggered = false;
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GestureFail();
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// m_Background.color = m_BackgroundDefaultColor;
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}
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// 更新检测状态
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m_WasDetected = detected;
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// 检查是否满足保持时间要求
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if (!m_PerformedTriggered && detected)
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{
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var holdTimer = Time.timeSinceLevelLoad - m_HoldStartTime;
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if (holdTimer > m_MinimumHoldTime)
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{
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// 满足保持时间，触发手势执行事件
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GestureSuccess();
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m_PerformedTriggered = true;
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// m_Background.color = m_BackgroundHiglightColor;
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}
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}
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// 更新上次检查时间
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m_TimeOfLastConditionCheck = Time.timeSinceLevelLoad;
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}
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#region 需要被重写的方法
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/// <summary>
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/// 左手成功识别到手势不断执行操作
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/// </summary>
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/// <param name="gestureType">左手手势类型</param>
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/// <param name="handForward">左手掌心朝向</param>
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public abstract void GestureSuccess();
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/// <summary>
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/// 左手未识别到手势执行操作
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/// </summary>
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public abstract void GestureFail();
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#endregion
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}
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#endif
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} |