105 lines
3.0 KiB
C#
105 lines
3.0 KiB
C#
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using System;
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using Unity.Collections;
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using Unity.Collections.LowLevel.Unsafe;
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using UnityEngine.XR.ARSubsystems;
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namespace UnityEngine.XR.ARFoundation
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{
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/// <summary>
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/// Represents a detected point cloud. These are also known as feature points.
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/// </summary>
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[DefaultExecutionOrder(ARUpdateOrder.k_PointCloud)]
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[DisallowMultipleComponent]
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[HelpURL(HelpUrls.ApiWithNamespace + nameof(ARPointCloud) + ".html")]
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public class ARPointCloud : ARTrackable<XRPointCloud, ARPointCloud>
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{
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/// <summary>
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/// Invoked whenever the point cloud is updated.
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/// </summary>
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public event Action<ARPointCloudUpdatedEventArgs> updated;
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/// <summary>
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/// An array of positions for each point in the point cloud.
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/// This array is parallel to <see cref="identifiers"/> and
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/// <see cref="confidenceValues"/>. Positions are provided in
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/// point cloud space, that is, relative to this <see cref="ARPointCloud"/>'s
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/// local position and rotation.
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/// </summary>
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public NativeSlice<Vector3>? positions
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{
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get
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{
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if (m_Data.positions.IsCreated)
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{
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return m_Data.positions;
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}
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return null;
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}
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}
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/// <summary>
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/// An array of identifiers for each point in the point cloud.
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/// This array is parallel to <see cref="positions"/> and
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/// <see cref="confidenceValues"/>.
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/// </summary>
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public NativeSlice<ulong>? identifiers
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{
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get
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{
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if (m_Data.identifiers.IsCreated)
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{
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return m_Data.identifiers;
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}
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return null;
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}
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}
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/// <summary>
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/// An array of confidence values for each point in the point cloud
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/// ranging from 0..1.
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/// This array is parallel to <see cref="positions"/> and
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/// <see cref="identifiers"/>. Check for existence with
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/// <c>confidenceValues.IsCreated</c>.
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/// </summary>
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public NativeArray<float>? confidenceValues
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{
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get
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{
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if (m_Data.confidenceValues.IsCreated)
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{
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return m_Data.confidenceValues;
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}
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return null;
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}
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}
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void Update()
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{
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if (m_PointsUpdated && updated != null)
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{
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m_PointsUpdated = false;
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updated(new ARPointCloudUpdatedEventArgs());
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}
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}
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void OnDestroy()
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{
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m_Data.Dispose();
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}
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internal void UpdateData(XRDepthSubsystem subsystem)
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{
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m_Data.Dispose();
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m_Data = subsystem.GetPointCloudData(trackableId, Allocator.Persistent);
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m_PointsUpdated = m_Data.positions.IsCreated;
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}
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XRPointCloudData m_Data;
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bool m_PointsUpdated = false;
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}
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}
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