inputmanager.cs

public class InputManager : StateMachineBehavior<InputManager.InputState> {

	public class InputState : State {
		public virtual void OnHits(RaycastHit[] hits) {
			
		}
	}
	public class StateIdle : InputState {
		public override void OnHits(RaycastHit[] hits) {
			if (hits.Length > 0) {
				States.GetState<StateHover>().Activate(hits[0].collider.gameObject);
			}
		}
	}
	public class StateHover : InputState {
		GameObject hoverObject;
		public void Activate(GameObject obj) {
			hoverObject = obj;
			base.Activate();
		}
		public override void OnHits(RaycastHit[] hits) {
			bool stillColliding = System.Array.Exists(hits, element => element.collider.gameObject == hoverObject);
			if (!stillColliding) {
				States.GetState<StateIdle>().Activate();
			}
		}
	}
	
	// Update is called once per frame
	void Update () {
		RaycastHit[] hits;
		Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
		hits = Physics.RaycastAll(ray, 1000.0f);
		
		GetState().OnHits(hits);
	}
}