Engine-Template/Shared/Behaviours/TweenRotator.cs

using Engine.Core;
using Engine.Systems.Tween;

namespace MyUniverse.Shared.Behaviours;

public class TweenRotator : Behaviour2D, IRotator, IFirstFrameUpdate, ILastFrameUpdate
{
    private float duration = 5f;
    private float angle = 180;
    private IEasing easeMethod = EaseInOutQuad.Instance;
    private ITweenManager tweenManager = null!;
    private ITween tween = null!;

    public void FirstActiveFrame()
    {
        tweenManager = Universe.FindRequiredBehaviour<ITweenManager>();

        TweenRotation();
    }

    private void TweenRotation()
    {
        if (Transform.Rotation >= 360f)
            Transform.Rotation -= 360f;

        tween = Transform.TweenRotation(tweenManager, duration, Transform.Rotation + angle)
            .Ease(easeMethod)
            .OnComplete(TweenRotation);
    }

    public void LastActiveFrame()
    {
        tweenManager.CancelTween(tween);
    }
}