public Tween(TweenMode mode, Ease.Easer easer = null, int duration = 1, bool start = false)
{
Mode = mode;
Easer = easer;
Duration = duration;
Active = false;
if (start)
Start();
}
public static Tween Position(Entity entity, Vector2 target, int duration, Ease.Easer easer, TweenMode mode = TweenMode.Single)
{
Tween tween = new Tween(mode, easer, duration, true);
Vector2 start = entity.Position;
tween.OnUpdate = (Tween t) => { entity.Position = Vector2.Lerp(start, target, t.Value); };
entity.Add(tween);
return tween;
}
public static Tween Add(Entity entity, int duration, Ease.Easer easer, Action<Tween> onUpdate, TweenMode mode = TweenMode.Single)
{
Tween tween = new Tween(mode, easer, duration, true);
tween.OnUpdate = onUpdate;
entity.Add(tween);
return tween;
}