using Engine.Core;

namespace Engine.Systems.Tween;

public static class TweenSphere3DExtensions
{
    private static readonly BoxedPool<Sphere3D> boxedSphere3DPool = new(2);

    public static ITween TweenSphere3D(this Sphere3D initialSphere3D, ITweenManager tweenManager, float duration, Sphere3D targetSphere3D, System.Action<Sphere3D> setMethod)
    {
        Boxed<Sphere3D> boxedInitial = boxedSphere3DPool.Get(initialSphere3D);
        Boxed<Sphere3D> boxedTarget = boxedSphere3DPool.Get(targetSphere3D);

        ITween tween = tweenManager.StartTween(duration,
            t => setMethod?.Invoke(
                new Sphere3D(
                    boxedInitial.Value.Center.Lerp(boxedTarget.Value.Center, t),
                    boxedInitial.Value.Diameter.Lerp(boxedTarget.Value.Diameter, t)
                )
            )
        );

        tween.OnComplete(() =>
        {
            boxedSphere3DPool.Return(boxedInitial);
            boxedSphere3DPool.Return(boxedTarget);
        });

        return tween;
    }
}