102 lines
4.8 KiB
C#
102 lines
4.8 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace UnityEngine.XR.ARKit
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{
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/// <summary>
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/// Represents the minimum and maximum supported lens position. A lens position value doesn't correspond
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/// to an exact physical distance, nor does it represent a consistent focus distance from device to device.
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/// </summary>
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[StructLayout(LayoutKind.Sequential)]
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public struct ARKitFocusRange : IEquatable<ARKitFocusRange>
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{
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float m_MinimumLensPosition;
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float m_MaximumLensPosition;
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/// <summary>
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/// Minimum supported lens position. This value represent the shortest distance at which the lens can focus.
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/// </summary>
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public float minimumLensPosition => m_MinimumLensPosition;
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/// <summary>
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/// Maximum supported lens position. This value represent the furthest distance at which the lens can focus.
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/// </summary>
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public float maximumLensPosition => m_MaximumLensPosition;
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/// <summary>
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/// Tests for equality.
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/// </summary>
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/// <remarks>
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/// Two <see cref="ARKitFocusRange"/>s are considered equal if their minimum lens position and maximum lens position are equal.
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/// </remarks>
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/// <param name="other">The <see cref="ARKitFocusRange"/> to compare against.</param>
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/// <returns><see langword="true"/> if the lens position range is the same. Otherwise, <see langword="false"/>.</returns>
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public bool Equals(ARKitFocusRange other)
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{
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return m_MinimumLensPosition.Equals(other.m_MinimumLensPosition)
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&& m_MaximumLensPosition.Equals(other.m_MaximumLensPosition);
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}
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/// <summary>
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/// Tests for equality.
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/// </summary>
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/// <param name="obj">An <see cref="object"/> to compare against.</param>
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/// <returns><see langword="true"/> if <paramref name="obj"/> is an <see cref="ARKitFocusRange"/> and is
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/// equal to this instance using <see cref="Equals(UnityEngine.XR.ARKit.ARKitFocusRange)"/>.</returns>
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public override bool Equals(object obj)
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{
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return obj is ARKitFocusRange other
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&& Equals(other);
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}
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/// <summary>
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/// Generates a hash code suitable for use with a `HashSet` or `Dictionary`
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/// </summary>
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/// <returns>A hash code for this <see cref="ARKitFocusRange"/>.</returns>
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public override int GetHashCode()
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{
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int hashCode = 486187739;
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unchecked
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{
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hashCode = (hashCode * 486187739) + m_MinimumLensPosition.GetHashCode();
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hashCode = (hashCode * 486187739) + m_MaximumLensPosition.GetHashCode();
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}
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return hashCode;
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}
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/// <summary>
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/// Tests for equality. Same as <see cref="Equals(UnityEngine.XR.ARKit.ARKitFocusRange)"/>.
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/// </summary>
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/// <param name="lhs">The <see cref="ARKitFocusRange"/> to compare with <paramref name="rhs"/>.</param>
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/// <param name="rhs">The <see cref="ARKitFocusRange"/> to compare with <paramref name="lhs"/>.</param>
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/// <returns><see langword="true"/> if <paramref name="lhs"/> is equal to <paramref name="rhs"/> using
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/// <see cref="Equals(UnityEngine.XR.ARKit.ARKitFocusRange)"/>. Otherwise, <see langword="false"/>.</returns>
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public static bool operator ==(ARKitFocusRange lhs, ARKitFocusRange rhs) => lhs.Equals(rhs);
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/// <summary>
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/// Tests for inequality. Same as the negation of <see cref="Equals(UnityEngine.XR.ARKit.ARKitFocusRange)"/>.
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/// </summary>
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/// <param name="lhs">The <see cref="ARKitFocusRange"/> to compare with <paramref name="rhs"/>.</param>
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/// <param name="rhs">The <see cref="ARKitFocusRange"/> to compare with <paramref name="lhs"/>.</param>
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/// <returns><see langword="false"/> if <paramref name="lhs"/> is equal to <paramref name="rhs"/> using
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/// <see cref="Equals(UnityEngine.XR.ARKit.ARKitFocusRange)"/>. Otherwise, <see langword="true"/>.</returns>
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public static bool operator !=(ARKitFocusRange lhs, ARKitFocusRange rhs) => !lhs.Equals(rhs);
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/// <summary>
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/// Generates a string representation of this <see cref="ARKitFocusRange"/> suitable for debugging purposes.
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/// </summary>
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/// <returns>A string representation of this <see cref="ARKitFocusRange"/>.</returns>
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public override string ToString()
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{
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var sb = new StringBuilder();
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sb.AppendLine("{");
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sb.AppendLine($" MinimumLensPosition: {m_MinimumLensPosition:0.000}");
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sb.AppendLine($" MaximumLensPosition: {m_MaximumLensPosition:0.000}");
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sb.AppendLine("}");
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return sb.ToString();
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}
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}
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}
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