using Engine.Core;

namespace Engine.Systems.Tween;

public static class TweenVector2DExtensions
{
    private static readonly BoxedPool<Vector2D> boxedVector2DPool = new(2);

    public static ITween TweenVector2D(this Vector2D initialVector2D, ITweenManager tweenManager, float duration, Vector2D targetVector2D, System.Action<Vector2D> setMethod)
    {
        Boxed<Vector2D> boxedInitial = boxedVector2DPool.Get(initialVector2D);
        Boxed<Vector2D> boxedTarget = boxedVector2DPool.Get(targetVector2D);

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

        tween.OnComplete(() =>
        {
            boxedVector2DPool.Return(boxedInitial);
            boxedVector2DPool.Return(boxedTarget);
        });

        return tween;
    }
}