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114 lines
4.0 KiB
114 lines
4.0 KiB
using System;
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using System.Runtime.InteropServices;
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namespace UnityEngine.XR.ARSubsystems
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{
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/// <summary>
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/// Represents the session relative data for the <see cref="XRDepthSubsystem"/>.
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/// <see cref="XRPointCloud"/>s are usually created by <see cref="XRDepthSubsystem.GetChanges(Unity.Collections.Allocator)"/>.
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/// </summary>
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[StructLayout(LayoutKind.Sequential)]
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public unsafe struct XRPointCloud : ITrackable, IEquatable<XRPointCloud>
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{
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/// <summary>
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/// Gets a default-initialized <see cref="XRPointCloud"/>. This may be
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/// different from the zero-initialized version, e.g., the <see cref="pose"/>
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/// is <c>Pose.identity</c> instead of zero-initialized.
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/// </summary>
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public static XRPointCloud defaultValue => s_Default;
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static readonly XRPointCloud s_Default = new XRPointCloud
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{
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m_TrackableId = TrackableId.invalidId,
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m_Pose = Pose.identity,
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};
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/// <summary>
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/// Constructs a new <see cref="XRPointCloud"/>. This is a container
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/// for the session-relative data. These are typically created by
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/// <see cref="XRDepthSubsystem.GetChanges(Unity.Collections.Allocator)"/>.
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/// </summary>
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/// <param name="trackableId">The <see cref="TrackableId"/> associated with the point cloud.</param>
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/// <param name="pose">The <c>Pose</c> associated with the point cloud.</param>
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/// <param name="trackingState">The <see cref="TrackingState"/> associated with the point cloud.</param>
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/// <param name="nativePtr">The native pointer associated with the point cloud.</param>
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public XRPointCloud(
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TrackableId trackableId,
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Pose pose,
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TrackingState trackingState,
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IntPtr nativePtr)
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{
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m_TrackableId = trackableId;
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m_Pose = pose;
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m_TrackingState = trackingState;
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m_NativePtr = nativePtr;
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}
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/// <summary>
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/// Get the <see cref="TrackableId"/> associated with this point cloud.
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/// </summary>
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public TrackableId trackableId => m_TrackableId;
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/// <summary>
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/// Get the <c>Pose</c> associated with this point cloud.
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/// </summary>
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/// <remarks>
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/// Point cloud points are relative to this pose.
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/// </remarks>
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public Pose pose => m_Pose;
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/// <summary>
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/// Get the <see cref="TrackingState"/> associated with this point cloud.
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/// </summary>
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public TrackingState trackingState => m_TrackingState;
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/// <summary>
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/// Get the native pointer associated with this point cloud.
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/// </summary>
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/// <remarks>
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/// The data this pointer points to is implementation defined.
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/// </remarks>
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public IntPtr nativePtr => m_NativePtr;
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public override int GetHashCode()
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{
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unchecked
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{
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var hash = m_TrackableId.GetHashCode();
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hash = hash * 486187739 + m_Pose.GetHashCode();
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hash = hash * 486187739 + ((int)m_TrackingState).GetHashCode();
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hash = hash * 486187739 + m_NativePtr.GetHashCode();
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return hash;
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}
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}
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public bool Equals(XRPointCloud other)
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{
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return
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(m_TrackableId == other.m_TrackableId) &&
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(m_Pose.Equals(other.pose)) &&
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(m_TrackingState == other.m_TrackingState) &&
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(m_NativePtr == other.m_NativePtr);
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}
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public override bool Equals(object obj)
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{
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if (ReferenceEquals(null, obj))
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return false;
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return Equals((XRPointCloud)obj);
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}
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public static bool operator==(XRPointCloud lhs, XRPointCloud rhs) => lhs.Equals(rhs);
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public static bool operator!=(XRPointCloud lhs, XRPointCloud rhs) => !lhs.Equals(rhs);
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TrackableId m_TrackableId;
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Pose m_Pose;
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TrackingState m_TrackingState;
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IntPtr m_NativePtr;
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}
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}
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