Add Sphere struct

X10D/src/Drawing/Sphere.cs

@@ -0,0 +1,97 @@
+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>
+{
+    /// <summary>
+    ///     Initializes a new instance of the <see cref="Sphere" /> struct.
+    /// </summary>
+    /// <param name="centerX">The X coordinate of the center point.</param>
+    /// <param name="centerY">The Y coordinate of the center point.</param>
+    /// <param name="centerZ">The Z coordinate of the center point.</param>
+    /// <param name="radius">The radius.</param>
+    public Sphere(float centerX, float centerY, float centerZ, float radius)
+        : this(new Vector3(centerX, centerY, centerZ), radius)
+    {
+    }
+
+    /// <summary>
+    ///     Initializes a new instance of the <see cref="Sphere" /> struct.
+    /// </summary>
+    /// <param name="center">The center point.</param>
+    /// <param name="radius">The radius.</param>
+    public Sphere(Vector3 center, float radius)
+    {
+        Center = center;
+        Radius = radius;
+    }
+
+    /// <summary>
+    ///     Gets the center-point of the sphere.
+    /// </summary>
+    /// <value>The center point.</value>
+    public Vector3 Center { get; }
+
+    /// <summary>
+    ///     Gets the radius of the sphere.
+    /// </summary>
+    /// <value>The radius.</value>
+    public float Radius { get; }
+
+    /// <summary>
+    ///     Returns a value indicating whether two instances of <see cref="Cuboid" /> are equal.
+    /// </summary>
+    /// <param name="left">The first instance.</param>
+    /// <param name="right">The second instance.</param>
+    /// <returns>
+    ///     <see langword="true" /> if <paramref name="left" /> and <paramref name="right" /> are considered equal; otherwise,
+    ///     <see langword="false" />.
+    /// </returns>
+    public static bool operator ==(Sphere left, Sphere right)
+    {
+        return left.Equals(right);
+    }
+
+    /// <summary>
+    ///     Returns a value indicating whether two instances of <see cref="Cuboid" /> are not equal.
+    /// </summary>
+    /// <param name="left">The first instance.</param>
+    /// <param name="right">The second instance.</param>
+    /// <returns>
+    ///     <see langword="true" /> if <paramref name="left" /> and <paramref name="right" /> are considered not equal; otherwise,
+    ///     <see langword="false" />.
+    /// </returns>
+    public static bool operator !=(Sphere left, Sphere right)
+    {
+        return !left.Equals(right);
+    }
+
+    /// <inheritdoc />
+    public override bool Equals(object? obj)
+    {
+        return obj is Sphere other && Equals(other);
+    }
+
+    /// <summary>
+    ///     Returns a value indicating whether this instance and another instance are equal.
+    /// </summary>
+    /// <param name="other">The instance with which to compare.</param>
+    /// <returns>
+    ///     <see langword="true" /> if this instance and <paramref name="other" /> are considered equal; otherwise,
+    ///     <see langword="false" />.
+    /// </returns>
+    public bool Equals(Sphere other)
+    {
+        return Center.Equals(other.Center) && Radius.Equals(other.Radius);
+    }
+
+    /// <inheritdoc />
+    public override int GetHashCode()
+    {
+        return HashCode.Combine(Center, Radius);
+    }
+}