private void Bird_DisableDisplayOnStateChange(Bird sender, BirdAIState currentState, BirdAIState oldState)
{
sender.StateChanged -= Bird_DisableDisplayOnStateChange;
birdUI.CloseAll();
if (currentState == BirdAIState.Sitting)
{
StartCoroutine(BirdRotationFix());
}
}
/// <summary>
/// The bird will try to land at the specified location.
/// </summary>
/// <param name="location"></param>
public void LandAtLocation(Vector3 location)
{
BirdAIState oldState = currentState;
flightGoal = location;
currentState = BirdAIState.Landing;
characterController.Soar();
wingsSource.volume = 1;
characterController.ForwardSpeedSet(forwardSpeed);
if (StateChanged != null)
{
StateChanged(this, currentState, oldState);
}
}
/// <summary>
/// The bird will fly to a specified location and circle around it once it
/// arrives.
/// </summary>
/// <param name="direction"></param>
public void FlyToLocation(Vector3 location, bool stopWhenDone)
{
stopAtDestination = stopWhenDone;
BirdAIState oldState = currentState;
flightGoal = location;
currentState = BirdAIState.FlyingToGoal;
characterController.Soar();
wingsSource.volume = 1;
characterController.ForwardSpeedSet(forwardSpeed);
if (StateChanged != null)
{
StateChanged(this, currentState, oldState);
}
}
// Update is called once per frame
void Update()
{
if (chirpTimer > 0)
{
chirpTimer -= Time.deltaTime;
if (chirpTimer < 0)
{
Chirp();
GetNewChirpTime();
}
}
Vector3 directionToGoal;
switch (currentState)
{
case BirdAIState.Sitting:
break;
case BirdAIState.Floating:
break;
case BirdAIState.Landing:
if (Vector3.Distance(transform.position, flightGoal) < 0.8)
{
forwardSpeed = Mathf.Lerp(0.3f, 0.1f,
Mathf.InverseLerp(0, Vector3.Distance(transform.position, flightGoal), 0.8f));
characterController.forwardSpeed = forwardSpeed;
}
if (Vector3.Distance(transform.position, flightGoal) < 0.1f)
{
characterController.Landing();
currentState = BirdAIState.Sitting;
wingsSource.volume = 0f;
if (StateChanged != null)
{
StateChanged(this, BirdAIState.Sitting, BirdAIState.FlyingToGoal);
}
Invoke("DebugLanding", Time.deltaTime);
break;
}
directionToGoal = (flightGoal - transform.position).normalized;
transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation(directionToGoal, Vector3.up), turnSpeed * Time.deltaTime);
break;
case BirdAIState.FlyingToGoal:
if (stopAtDestination)
{
if (Vector3.Distance(transform.position, flightGoal) < 0.8)
{
forwardSpeed = Mathf.Lerp(0.3f, 0.1f,
Mathf.InverseLerp(0, Vector3.Distance(transform.position, flightGoal), 0.8f));
characterController.forwardSpeed = forwardSpeed;
}
if (Vector3.Distance(transform.position, flightGoal) < 0.1f)
{
currentState = BirdAIState.Floating;
wingsSource.volume = 1f;
characterController.forwardSpeed = 0f;
if (StateChanged != null)
{
StateChanged(this, BirdAIState.Floating, BirdAIState.FlyingToGoal);
}
break;
}
}
directionToGoal = (flightGoal - transform.position).normalized;
transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation(directionToGoal, Vector3.up), turnSpeed * Time.deltaTime);
break;
default:
break;
}
ProcessDebugCommands();
}
