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96 行
3.0 KiB
96 行
3.0 KiB
using System.Collections.Generic;
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using Unity.Collections;
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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_ANDROID && !UNITY_EDITOR
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using UnityEngine.XR.ARCore;
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#endif
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/// <summary>
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/// This component uses the ARCoreFaceSubsystem to query for face regions, special
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/// regions detected within a face, such as the nose tip. Each region has a pose
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/// associated with it. This component instantiates <see cref="regionPrefab"/>
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/// at each detected region.
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/// </summary>
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[RequireComponent(typeof(ARFaceManager))]
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[RequireComponent(typeof(ARSessionOrigin))]
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public class ARCoreFaceRegionManager : MonoBehaviour
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{
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[SerializeField]
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GameObject m_RegionPrefab;
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/// <summary>
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/// Get or set the prefab which will be instantiated at each detected face region.
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/// </summary>
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public GameObject regionPrefab
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{
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get { return m_RegionPrefab; }
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set { m_RegionPrefab = value; }
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}
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ARFaceManager m_FaceManager;
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ARSessionOrigin m_SessionOrigin;
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#if UNITY_ANDROID && !UNITY_EDITOR
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NativeArray<ARCoreFaceRegionData> m_FaceRegions;
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Dictionary<TrackableId, Dictionary<ARCoreFaceRegion, GameObject>> m_InstantiatedPrefabs;
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#endif
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// Start is called before the first frame update
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void Start()
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{
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m_FaceManager = GetComponent<ARFaceManager>();
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m_SessionOrigin = GetComponent<ARSessionOrigin>();
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#if UNITY_ANDROID && !UNITY_EDITOR
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m_InstantiatedPrefabs = new Dictionary<TrackableId, Dictionary<ARCoreFaceRegion, GameObject>>();
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#endif
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}
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// Update is called once per frame
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void Update()
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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var subsystem = (ARCoreFaceSubsystem)m_FaceManager.subsystem;
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if (subsystem == null)
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return;
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foreach (var face in m_FaceManager.trackables)
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{
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Dictionary<ARCoreFaceRegion, GameObject> regionGos;
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if (!m_InstantiatedPrefabs.TryGetValue(face.trackableId, out regionGos))
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{
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regionGos = new Dictionary<ARCoreFaceRegion, GameObject>();
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m_InstantiatedPrefabs.Add(face.trackableId, regionGos);
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}
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subsystem.GetRegionPoses(face.trackableId, Allocator.Persistent, ref m_FaceRegions);
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for (int i = 0; i < m_FaceRegions.Length; ++i)
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{
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var regionType = m_FaceRegions[i].region;
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GameObject go;
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if (!regionGos.TryGetValue(regionType, out go))
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{
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go = Instantiate(m_RegionPrefab, m_SessionOrigin.trackablesParent);
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regionGos.Add(regionType, go);
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}
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go.transform.localPosition = m_FaceRegions[i].pose.position;
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go.transform.localRotation = m_FaceRegions[i].pose.rotation;
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}
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}
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#endif
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}
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void OnDestroy()
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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if (m_FaceRegions.IsCreated)
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m_FaceRegions.Dispose();
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#endif
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}
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}
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