Thank you to anyone who has already donated - your generous donations helped make three months of treatment possible.

My brother Nate continues to fight stage IV Hodgkin's lymphoma. He's just 31, with a wife and baby girl. They have no active income (since he's been unable to return to work), no insurance, and cannot afford the treatment he needs. Nate and his family need your help. Please consider a donation, every dollar helps. Thanks.

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    public class MoveAction : IAction
    {
        public MoveAction(IPosition moveable, Vector2 destination, float speed)
        {
            _moveable = moveable;
            Speed = speed;
            _end = destination;
        }

        protected float Speed
        {
            set { _speed = value; }
        }

        public override void Update(float elapsed)
        {
            if(_firstUpdate)
            {
                _start = _moveable.Position;

                if (_start == _end)
                {
                    Finished = true;
                    return;
                }

                _direction = Vector2.Normalize(_end - _start);
                _distance = Vector2.Distance(_start, _end);
                _firstUpdate = false;
            }

            Vector2 nextPosition = _moveable.Position + (_direction * _speed * elapsed);

            if (Vector2.Distance(_start, nextPosition) >= _distance)
            {
                _moveable.Position = _end;
                Finished = true;
                return;
            }
            
            _moveable.Position = nextPosition;
        }

        private Vector2 _start;

        private bool _firstUpdate = true;

        protected Vector2 _direction;

        private float _distance;

        private float _speed;

        private readonly IPosition _moveable;

        private readonly Vector2 _end;
    }