XRCameraParams.cs
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using System;
using System.Runtime.InteropServices;
using UnityEngine;
namespace UnityEngine.XR.ARSubsystems
{
/// <summary>
/// Parameters of the Unity <c>Camera</c> that may be necessary/useful to the provider.
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public struct XRCameraParams : IEquatable<XRCameraParams>
{
/// <summary>
/// Distance from the camera to the near plane.
/// </summary>
/// <value>
/// Distance from the camera to the near plane.
/// </value>
public float zNear
{
get => m_ZNear;
set => m_ZNear = value;
}
float m_ZNear;
/// <summary>
/// Distance from the camera to the far plane.
/// </summary>
/// <value>
/// Distance from the camera to the far plane.
/// </value>
public float zFar
{
get => m_ZFar;
set => m_ZFar = value;
}
float m_ZFar;
/// <summary>
/// Width, in pixels, of the screen resolution.
/// </summary>
/// <value>
/// Width, in pixels, of the screen resolution.
/// </value>
public float screenWidth
{
get => m_ScreenWidth;
set => m_ScreenWidth = value;
}
float m_ScreenWidth;
/// <summary>
/// Height, in pixels, of the screen resolution.
/// </summary>
/// <value>
/// Height, in pixels, of the screen resolution.
/// </value>
public float screenHeight
{
get => m_ScreenHeight;
set => m_ScreenHeight = value;
}
float m_ScreenHeight;
/// <summary>
/// The orientation of the screen.
/// </summary>
/// <value>
/// The orientation of the screen.
/// </value>
public ScreenOrientation screenOrientation
{
get => m_ScreenOrientation;
set => m_ScreenOrientation = value;
}
ScreenOrientation m_ScreenOrientation;
/// <summary>
/// Tests for equality.
/// </summary>
/// <param name="other">The other <see cref="XRCameraParams"/> to compare against.</param>
/// <returns>`True` if every field in <paramref name="other"/> is equal to this <see cref="XRCameraParams"/>, otherwise false.</returns>
public bool Equals(XRCameraParams other)
{
return (m_ZNear.Equals(other.m_ZNear) && m_ZFar.Equals(other.m_ZFar)
&& m_ScreenWidth.Equals(other.m_ScreenWidth) && m_ScreenHeight.Equals(other.m_ScreenHeight)
&& (m_ScreenOrientation == other.m_ScreenOrientation));
}
/// <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="XRCameraParams"/> and
/// <see cref="Equals(XRCameraParams)"/> also returns `true`; otherwise `false`.</returns>
public override bool Equals(System.Object obj)
{
return ((obj is XRCameraParams) && Equals((XRCameraParams)obj));
}
/// <summary>
/// Tests for equality. Same as <see cref="Equals(XRCameraParams)"/>.
/// </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 ==(XRCameraParams lhs, XRCameraParams rhs) => lhs.Equals(rhs);
/// <summary>
/// Tests for inequality. Same as `!`<see cref="Equals(XRCameraParams)"/>.
/// </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 !=(XRCameraParams lhs, XRCameraParams rhs) => !lhs.Equals(rhs);
/// <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()
{
int hashCode = 486187739;
unchecked
{
hashCode = (hashCode * 486187739) + m_ZNear.GetHashCode();
hashCode = (hashCode * 486187739) + m_ZFar.GetHashCode();
hashCode = (hashCode * 486187739) + m_ScreenWidth.GetHashCode();
hashCode = (hashCode * 486187739) + m_ScreenHeight.GetHashCode();
hashCode = (hashCode * 486187739) + ((int)m_ScreenOrientation).GetHashCode();
}
return hashCode;
}
/// <summary>
/// Generates a string representation of this <see cref="XRCameraParams"/>.
/// </summary>
/// <returns>A string representation of this <see cref="XRCameraParams"/>.</returns>
public override string ToString()
{
return string.Format("zNear:{0} zFar:{1} screen:{2}x{3}({4})", m_ZNear.ToString("0.000"),
m_ZFar.ToString("0.000"), m_ScreenWidth.ToString(), m_ScreenHeight.ToString(),
m_ScreenOrientation.ToString());
}
}
}