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88 行
2.4 KiB
88 行
2.4 KiB
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.XR.ARFoundation;
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using UnityEngine.XR.ARSubsystems;
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#if UNITY_IOS && !UNITY_EDITOR
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using UnityEngine.XR.ARKit;
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#endif
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/// <summary>
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/// Visualizes the eye poses for an <see cref="ARFace"/>.
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/// </summary>
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/// <remarks>
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/// Face space is the space where the origin is the transform of an <see cref="ARFace"/>.
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/// </remarks>
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[RequireComponent(typeof(ARFace))]
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public class EyePoseVisualizer : MonoBehaviour
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{
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[SerializeField]
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GameObject m_EyePrefab;
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public GameObject eyePrefab
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{
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get => m_EyePrefab;
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set => m_EyePrefab = value;
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}
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GameObject m_LeftEyeGameObject;
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GameObject m_RightEyeGameObject;
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ARFace m_Face;
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XRFaceSubsystem m_FaceSubsystem;
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void Awake()
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{
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m_Face = GetComponent<ARFace>();
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}
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void CreateEyeGameObjectsIfNecessary()
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{
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if (m_Face.leftEye != null && m_LeftEyeGameObject == null )
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{
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m_LeftEyeGameObject = Instantiate(m_EyePrefab, m_Face.leftEye);
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m_LeftEyeGameObject.SetActive(false);
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}
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if (m_Face.rightEye != null && m_RightEyeGameObject == null)
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{
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m_RightEyeGameObject = Instantiate(m_EyePrefab, m_Face.rightEye);
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m_RightEyeGameObject.SetActive(false);
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}
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}
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void SetVisible(bool visible)
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{
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if (m_LeftEyeGameObject != null && m_RightEyeGameObject != null)
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{
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m_LeftEyeGameObject.SetActive(visible);
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m_RightEyeGameObject.SetActive(visible);
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}
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}
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void OnEnable()
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{
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var faceManager = FindObjectOfType<ARFaceManager>();
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if (faceManager != null && faceManager.subsystem != null && faceManager.subsystem.SubsystemDescriptor.supportsEyeTracking)
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{
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m_FaceSubsystem = (XRFaceSubsystem)faceManager.subsystem;
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SetVisible((m_Face.trackingState == TrackingState.Tracking) && (ARSession.state > ARSessionState.Ready));
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m_Face.updated += OnUpdated;
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}
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else
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{
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enabled = false;
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}
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}
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void OnDisable()
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{
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m_Face.updated -= OnUpdated;
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SetVisible(false);
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}
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void OnUpdated(ARFaceUpdatedEventArgs eventArgs)
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{
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CreateEyeGameObjectsIfNecessary();
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SetVisible((m_Face.trackingState == TrackingState.Tracking) && (ARSession.state > ARSessionState.Ready));
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}
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}
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