public Vector3 Wander()
{
// change the wanderRotation value by a random amount
// this keeps us walking in generally the same direction from frame to frame
wanderRotation += Random.Range(-wanderRate, wanderRate);
// start at our future position
Vector3 future = FuturePosition(3f);
// construct a unitRotation vector from our wanderRotation
Vector3 unitRotation = VectorHelper.AngleToUnit(wanderRotation);
// the wander position is our future position, plus a vector of magnitude wanderRadius pointing in the direction of our unitRotation
Vector3 finalWanderPosition = future + (unitRotation * wanderRadius);
// make sure it's drawn at the same level as our character
finalWanderPosition.y = transform.position.y;
if (wanderTarget)
{
// put it in position
wanderTarget.transform.position = finalWanderPosition;
}
// seek the result
return(Seek(finalWanderPosition));
}
