Syntriax.Engine/Engine.Physics2D/Primitives/Circle.cs

using Syntriax.Engine.Core;

namespace Syntriax.Engine.Physics2D.Primitives;

public record Circle(Vector2D Center, float Radius)
{
    public float RadiusSquared => Radius * Radius;
    public float Diameter => 2f * Radius;

    public static bool ApproximatelyEquals(Circle left, Circle right)
        => left.Center.ApproximatelyEquals(right.Center) && left.Radius.ApproximatelyEquals(right.Radius);
}

public static class CircleExtensions
{
    public static bool ApproximatelyEquals(this Circle left, Circle right) => Circle.ApproximatelyEquals(left, right);
}