Engine-Pong/Game/Physics2D/Primitives/Circle.cs

using Syntriax.Engine.Core;

namespace Syntriax.Engine.Physics2D.Primitives;

public record Circle(Vector2D Position, float Radius)
{
    public bool Intersects(Circle other)
    {
        float distanceSquared = (Position - other.Position).LengthSquared();
        float radiusSumSquared = Radius * Radius + other.Radius * other.Radius;

        return distanceSquared < radiusSumSquared;
    }

    public bool Overlaps(Vector2D point) => (Position - point).LengthSquared() <= Radius * Radius;
    public bool ApproximatelyEquals(Circle other)
        => Position.ApproximatelyEquals(other.Position) && Radius.ApproximatelyEquals(other.Radius);
}