public void Act(float deltaTime)
{
var currentPosition = View.transform.position.X0Z();
var goalChairPosition = GoalChair.View.transform.position.X0Z();
bool stopMove = false;
if ((currentPosition - goalChairPosition).magnitude < GoalChair.Radius)
{
if (!GoalChair.Busy)
{
GoalChair.Busy = true;
_sittingChair = GoalChair;
}
else
{
stopMove = (_sittingChair != GoalChair);
}
}
// if need to move
if (GoalChair != null && !_stopMove)
{
var goalVector = (goalChairPosition - currentPosition);
float clamp = GoalChair.Radius / 100f;
var delta = goalVector.normalized * (_velocity * deltaTime);
delta = goalVector.magnitude > clamp ? delta : Vector3.zero;
View.transform.position += delta;
}
}
public Unit(GameObject unityRef, float velocity, float changeChairProbability, SitOnChairSystem chairSystem)
{
View = unityRef;
_chairSystem = chairSystem;
_sittingChair = null;
_changeChairProbability = changeChairProbability;
_velocity = velocity;
GoalChair = null;
}
/// <summary>
/// Force unit to choose one free chair from given chairs list
/// </summary>
/// <param name="chairs">chairs list</param>
/// <returns>false if no free chairs</returns>
public bool ChooseChair(List <Chair> chairs)
{
var freeChairs = _chairSystem.GetFreeChairs();
if (freeChairs.Count < 1)
{
return(false);
}
GoalChair = freeChairs[Random.Range(0, freeChairs.Count)];
return(true);
}
/// <summary>
/// Unit can chagne goal chair with probabilty of ChangeChairProbability
/// </summary>
private void MaybeChooseAnotherChair()
{
if (Random.Range(0, 1f) < _changeChairProbability)
{
var freeChairs = _chairSystem.GetFreeChairs();
if (freeChairs.Count > 0)
{
if (_sittingChair != null)
{
GoalChair.Busy = false;
_sittingChair = null;
}
GoalChair = freeChairs[Random.Range(0, freeChairs.Count)];
}
}
}