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Add relational members to Sphere

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Oliver Booth 2022-06-01 19:39:58 +01:00
parent 0e62f233f0
commit 2c1da816ee
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1 changed files with 153 additions and 3 deletions
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156
X10D/src/Drawing/Sphere.cs
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@ -1,11 +1,11 @@
using System.Numerics;
using System.Numerics;
namespace X10D.Drawing;
/// <summary>
/// Represents a sphere in 3D space, which uses single-precision floating-point numbers for its coordinates.
/// </summary>
public readonly struct Sphere : IEquatable<Sphere>
public readonly struct Sphere : IEquatable<Sphere>, IComparable<Sphere>, IComparable
{
/// <summary>
/// Initializes a new instance of the <see cref="Sphere" /> struct.
@ -57,7 +57,7 @@ public readonly struct Sphere : IEquatable<Sphere>
}
/// <summary>
/// Returns a value indicating whether two instances of <see cref="Cuboid" /> are not equal.
/// Returns a value indicating whether two instances of <see cref="Sphere" /> are not equal.
/// </summary>
/// <param name="left">The first instance.</param>
/// <param name="right">The second instance.</param>
@ -70,6 +70,156 @@ public readonly struct Sphere : IEquatable<Sphere>
return !left.Equals(right);
}
/// <summary>
/// Returns a value indicating whether the radius of one circle is less than that of another.
/// </summary>
/// <param name="left">The first instance.</param>
/// <param name="right">The second instance.</param>
/// <returns>
/// <see langword="true" /> if the <see cref="Radius" /> of <paramref name="left" /> is less than that of
/// <paramref name="right" />; otherwise, <see langword="false" />.
/// </returns>
public static bool operator <(Sphere left, Sphere right)
{
return left.CompareTo(right) < 0;
}
/// <summary>
/// Returns a value indicating whether the radius of one circle is greater than to that of another.
/// </summary>
/// <param name="left">The first instance.</param>
/// <param name="right">The second instance.</param>
/// <returns>
/// <see langword="true" /> if the <see cref="Radius" /> of <paramref name="left" /> is greater than that of
/// <paramref name="right" />; otherwise, <see langword="false" />.
/// </returns>
public static bool operator >(Sphere left, Sphere right)
{
return left.CompareTo(right) > 0;
}
/// <summary>
/// Returns a value indicating whether the radius of one circle is less than or equal to that of another.
/// </summary>
/// <param name="left">The first instance.</param>
/// <param name="right">The second instance.</param>
/// <returns>
/// <see langword="true" /> if the <see cref="Radius" /> of <paramref name="left" /> is less than or equal to that of
/// <paramref name="right" />; otherwise, <see langword="false" />.
/// </returns>
public static bool operator <=(Sphere left, Sphere right)
{
return left.CompareTo(right) <= 0;
}
/// <summary>
/// Returns a value indicating whether the radius of one circle is greater than or equal to that of another.
/// </summary>
/// <param name="left">The first instance.</param>
/// <param name="right">The second instance.</param>
/// <returns>
/// <see langword="true" /> if the <see cref="Radius" /> of <paramref name="left" /> is greater than or equal to that of
/// <paramref name="right" />; otherwise, <see langword="false" />.
/// </returns>
public static bool operator >=(Sphere left, Sphere right)
{
return left.CompareTo(right) >= 0;
}
/// <summary>
/// Compares this instance to another <see cref="Sphere" />.
/// </summary>
/// <param name="obj">The other object.</param>
/// <returns>
/// A signed number indicating the relative values of this instance and <paramref name="obj" />.
///
/// <list type="table">
/// <listheader>
/// <term>Return value</term>
/// <description>Meaning</description>
/// </listheader>
///
/// <item>
/// <term>Less than zero</term>
/// <description>
/// The <see cref="Radius" /> of this instance is less than that of <paramref name="obj" />.
/// </description>
/// </item>
/// <item>
/// <term>Zero</term>
/// <description>
/// This instance is equal to <paramref name="obj" />, or the <see cref="Radius" /> of both this instance
/// and <paramref name="obj" /> are not a number (<see cref="float.NaN" />),
/// <see cref="float.PositiveInfinity" />, or <see cref="float.NegativeInfinity" />.
/// </description>
/// </item>
/// <item>
/// <term>Greater than zero</term>
/// <description>
/// The <see cref="Radius" /> of this instance is greater than that of <paramref name="obj" />, or
/// <paramref name="obj" /> is <see langword="null" />.
/// </description>
/// </item>
/// </list>
/// </returns>
/// <remarks>Comparison only takes into consideration the <see cref="Radius" />.</remarks>
/// <exception cref="ArgumentException"><paramref name="obj" /> is not an instance of <see cref="Sphere" />.</exception>
public int CompareTo(object? obj)
{
if (ReferenceEquals(null, obj))
{
return 1;
}
if (obj is not Sphere other)
{
throw new ArgumentException($"Object must be of type {GetType()}");
}
return CompareTo(other);
}
/// <summary>
/// Compares this instance to another <see cref="Sphere" />.
/// </summary>
/// <param name="other">The other sphere.</param>
/// <returns>
/// A signed number indicating the relative values of this instance and <paramref name="other" />.
///
/// <list type="table">
/// <listheader>
/// <term>Return value</term>
/// <description>Meaning</description>
/// </listheader>
///
/// <item>
/// <term>Less than zero</term>
/// <description>
/// The <see cref="Radius" /> of this instance is less than that of <paramref name="other" />.
/// </description>
/// </item>
/// <item>
/// <term>Zero</term>
/// <description>
/// This instance is equal to <paramref name="other" />, or the <see cref="Radius" /> of both this instance
/// and <paramref name="other" /> are not a number (<see cref="float.NaN" />),
/// <see cref="float.PositiveInfinity" />, or <see cref="float.NegativeInfinity" />.
/// </description>
/// </item>
/// <item>
/// <term>Greater than zero</term>
/// <description>
/// The <see cref="Radius" /> of this instance is greater than that of <paramref name="other" />.
/// </description>
/// </item>
/// </list>
/// </returns>
/// <remarks>Comparison only takes into consideration the <see cref="Radius" />.</remarks>
public int CompareTo(Sphere other)
{
return Radius.CompareTo(other.Radius);
}
/// <inheritdoc />
public override bool Equals(object? obj)
{