ARCoreFaceRegionData.cs
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using System;
using System.Runtime.InteropServices;
namespace UnityEngine.XR.ARCore
{
/// <summary>
/// Holds data associated with a face "region".
/// </summary>
/// <seealso cref="ARCoreFaceSubsystem.GetRegionPoses"/>
[StructLayout(LayoutKind.Sequential)]
public struct ARCoreFaceRegionData : IEquatable<ARCoreFaceRegionData>
{
ARCoreFaceRegion m_Region;
Pose m_Pose;
/// <summary>
/// The region this data describes.
/// </summary>
public ARCoreFaceRegion region { get { return m_Region; } }
/// <summary>
/// The pose associated with the face <see cref="region"/>.
/// </summary>
public Pose pose { get { return m_Pose; } }
/// <summary>
/// Constructs an <see cref="ARCoreFaceRegionData"/>.
/// </summary>
/// <param name="region">The region this data describes.</param>
/// <param name="pose">The pose associated with the given <paramref name="region"/>.</param>
public ARCoreFaceRegionData(ARCoreFaceRegion region, Pose pose)
{
m_Region = region;
m_Pose = pose;
}
/// <summary>
/// Tests for equality.
/// </summary>
/// <param name="other">The other <see cref="ARCoreFaceRegionData"/> to compare against.</param>
/// <returns>`True` if every field in <paramref name="other"/> is equal to this <see cref="ARCoreFaceRegionData"/>, otherwise false.</returns>
public bool Equals(ARCoreFaceRegionData other)
{
return
(m_Region == other.m_Region) &&
m_Pose.Equals(other.m_Pose);
}
/// <summary>
/// Generates a hash suitable for use with containers like `HashSet` and `Dictionary`.
/// </summary>
/// <returns>A hash code generated from this object's fields.</returns>
public override int GetHashCode()
{
unchecked
{
var hash = ((int)m_Region).GetHashCode();
hash = hash * 486187739 + m_Pose.GetHashCode();
return hash;
}
}
/// <summary>
/// Tests for equality.
/// </summary>
/// <param name="obj">The `object` to compare against.</param>
/// <returns>`True` if <paramref name="obj"/> is of type <see cref="ARCoreFaceRegionData"/> and
/// <see cref="Equals(ARCoreFaceRegionData)"/> also returns `true`; otherwise `false`.</returns>
public override bool Equals(object obj) => obj is ARCoreFaceRegionData other && Equals(other);
/// <summary>
/// Generates a string representation of this <see cref="ARCoreFaceRegionData"/>.
/// </summary>
/// <returns>A string representation of this <see cref="ARCoreFaceRegionData"/>.</returns>
public override string ToString()
{
return string.Format("Region: {0}, Pose: {1}", m_Region, m_Pose);
}
/// <summary>
/// Tests for equality. Same as <see cref="Equals(ARCoreFaceRegionData)"/>.
/// </summary>
/// <param name="lhs">The left-hand side of the comparison.</param>
/// <param name="rhs">The right-hand side of the comparison.</param>
/// <returns>`True` if <paramref name="lhs"/> is equal to <paramref name="rhs"/>, otherwise `false`.</returns>
public static bool operator ==(ARCoreFaceRegionData lhs, ARCoreFaceRegionData rhs) => lhs.Equals(rhs);
/// <summary>
/// Tests for inequality. Same as `!`<see cref="Equals(ARCoreFaceRegionData)"/>.
/// </summary>
/// <param name="lhs">The left-hand side of the comparison.</param>
/// <param name="rhs">The right-hand side of the comparison.</param>
/// <returns>`True` if <paramref name="lhs"/> is not equal to <paramref name="rhs"/>, otherwise `false`.</returns>
public static bool operator !=(ARCoreFaceRegionData lhs, ARCoreFaceRegionData rhs) => !lhs.Equals(rhs);
}
}