using Engine.Core;

namespace Engine.Systems.Tween;

public static class TweenAABBExtensions
{
    private static readonly BoxedPool<AABB> boxedAABBPool = new(2);

    public static ITween TweenAABB(this AABB initialAABB, ITweenManager tweenManager, float duration, AABB targetAABB, System.Action<AABB> setMethod)
    {
        Boxed<AABB> boxedInitial = boxedAABBPool.Get(initialAABB);
        Boxed<AABB> boxedTarget = boxedAABBPool.Get(targetAABB);

        ITween tween = tweenManager.StartTween(duration, t => setMethod?.Invoke(new AABB(boxedInitial.Value.LowerBoundary.Lerp(boxedTarget.Value.LowerBoundary, t), boxedInitial.Value.UpperBoundary.Lerp(boxedTarget.Value.UpperBoundary, t))));

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

        return tween;
    }
}