internal override void Initialize()
{
//Start by calling the base initialize method, which will determine a destination and enable movement.
base.Initialize();
//Set the butterfly to the moving state.
currentState = ButterflyState.Moving;
//Set the animation to a random time for variety.
}
//Basically, the butterfly will move from their current position to the current destination, at their speed, if movement is enabled.
//Once they reach that point, they'll wait a bit, and then they'll determine a new destination.
void Update()
{
//Are we still fading in?
if (fadingIn)
{
base.Update();
}
//Is movement enabled?
if (movementEnabled)
{
//It is. What state are we in?
switch (currentState)
{
case ButterflyState.Moving:
//We're moving. Determine if the destination point is within this frame's position change.
float distanceToPoint = (transform.position - destinationPoint).magnitude;
if (distanceToPoint <= speed * Time.deltaTime)
{
//We're close enough to reach the destination this update. Set our position to that point, and start waiting.
transform.position = destinationPoint;
waitTime = Random.Range(minimumWaitTime, maximumWaitTime);
waitStartTime = Time.time;
currentState = ButterflyState.Waiting;
}
else
{
//We're not close enough. Get a normalized vector for the direction we're traveling.
Vector3 direction = destinationPoint - transform.position;
direction.Normalize();
//Move in that direction by the proper amount.
transform.position += direction * speed * Time.deltaTime;
}
break;
case ButterflyState.Waiting:
//Check if we're done waiting.
if (Time.time >= waitStartTime + waitTime)
{
//We are. Determine a new destination, and start moving.
DetermineDestination();
currentState = ButterflyState.Moving;
}
break;
default:
Debug.Log("Butterfly is in an unrecognized state.");
break;
}
}
}
