private IEnumerator WaitForPause()
{
yield return(new WaitForSeconds(pauseTime + Random.Range(0.0f, 0.9f)));
_currentState = GroundWanderState.WANDERING;
_pauseWait = null;
}
private IEnumerator WaitForWander()
{
yield return(new WaitForSeconds(wanderTime));
_currentState = GroundWanderState.PAUSED;
_wanderingWait = null;
}
public void CollideWithGround()
{
if (_currentState == GroundWanderState.WANDERING)
{
_currentState = GroundWanderState.ROTATING;
}
}
private IEnumerator WaitForPause()
{
yield return(new WaitForSeconds(pauseTime + Random.Range(0.0f, 0.9f)));
_currentState = GroundWanderState.WANDERING;
transform.position = new Vector3(transform.position.x, _initY, transform.position.z);
_pauseInitialized = false;
_pauseWait = null;
}
private void Update()
{
// update current state
switch (_currentState)
{
case GroundWanderState.PAUSED:
_rigidbody.velocity = Vector3.zero;
break;
case GroundWanderState.ROTATING:
_rigidbody.velocity = Vector3.zero;
transform.rotation *= Quaternion.Euler(0f, Random.Range(160f, 200f), 0f);
break;
case GroundWanderState.WANDERING:
_rigidbody.velocity = transform.forward * wanderSpeed;
break;
}
// check if need to transition to other states
switch (_currentState)
{
case GroundWanderState.PAUSED:
if (_pauseWait == null)
{
_pauseWait = StartCoroutine(WaitForPause());
}
break;
case GroundWanderState.ROTATING:
_currentState = GroundWanderState.WANDERING;
break;
case GroundWanderState.WANDERING:
if (_wanderingWait == null)
{
_wanderingWait = StartCoroutine(WaitForWander());
}
break;
}
}
