public bool IsValid(Dog state) => _actionDestination.IsTraversable(state) && !_actionDestination.IsReached(state);
public override IEnumerator ExecuteAction(float transitionIn, Func <float?> getTransitionOut, Action <float> setTransitionOut)
{
// Execute enter
this.StopCoroutineIfExistsAndReplace(ref _enteringExiting, StartCoroutine(_Enter(transitionIn)));
// Create out transition
float?transitionOut;
// Loop forever
while (true)
{
// Set out transition
transitionOut = getTransitionOut();
// Check if out transition exists
if (transitionOut.HasValue)
{
// Stop loop
break;
}
// Check if destination not traversable
if (!_actionDestination.IsTraversable())
{
// No destination
break;
}
// Get delta time
var deltaTime = Time.deltaTime;
// Get position
var position = new Vector2(Transform.position.x, Transform.position.z);
// Get destination
var destination = _actionDestination.GetPosition();
// Get direction
var direction = destination - position;
// Get distance
var distance = direction.magnitude;
// Get speed
var speed = Mathf.Clamp(_speed.Value + _speedAcceleration * deltaTime, _speedMinimum, _speedMaximum);
// Check if slow on approach
if (_actionDestination.SlowOnApproach)
{
// Interpolate speed
speed = Mathf.Lerp(_speedMinimum, speed, distance / _distanceSlow);
}
// Set speed
_speed.Value = speed;
// Move position
position = Vector2.MoveTowards(position, destination, speed * deltaTime);
// Set position
Transform.position = new Vector3(position.x, Transform.position.y, position.y);
// Check if direction exists
if (!direction.normalized.Equals(_zero))
{
// Set rotation
Transform.rotation = Quaternion.LookRotation(new Vector3(direction.x, Transform.position.y, direction.y));
}
// Check if at destination or destination reached
if (position.Equals(destination) || _actionDestination.IsReached())
{
// Destination reached
break;
}
// Wait a frame
yield return(null);
}
// Execute exit
this.StopCoroutineIfExistsAndReplace(ref _enteringExiting, StartCoroutine(_Exit(transitionOut ?? 0.1f)));
}