/// <summary>
/// Flocking behaviour for constructor
/// </summary>
/// <param name="boid">Reference to boid</param>
public FlockingBehaviour(Boid boid)
{
this.MaxForce = 0.05f;
this.VelocityDamping = 1f;
this.SeparationFactor = 1.5f;
this.Boid = boid;
this.environmentManager = EnvironmentManager.Shared();
}
/// <summary>
/// Creates new mind object for <paramref name="boid"/>
/// </summary>
/// <param name="boid"></param>
public Mind(Boid boid)
{
this.boid = boid;
drinkNeed = new Need(MindState.Thirsty, Random.Range(0.1f, boid.Properties.DrinkNeedRate));
toiletNeed = new Need(MindState.Incontenent, Random.Range(0.1f, boid.Properties.ToiletNeedRate));
danceNeed = new Need(MindState.Dancey, Random.Range(0.1f, boid.Properties.DanceNeedRate));
desireNeeds();
CurrentNeed = danceNeed;
startNewProcess(evaluatePriorities());
}
/// <summary>
/// Is a boid within view of the current boid
/// </summary>
/// <param name="otherBoid">Another boid</param>
/// <returns>Is <paramref name="otherBoid"/> within view</returns>
private bool isWithinView(Boid otherBoid)
{
Vector3 boidPosition = Boid.Position;
Vector3 otherBoidPosition = otherBoid.Position;
float distance = Vector3.Distance(boidPosition, otherBoidPosition);
return (distance < Boid.ViewingDistance) && distance != 0;
}
/// <summary>
/// Finds the direction to steer in relation to another <paramref name="otherBoid"/>
/// </summary>
/// <param name="otherBoid">Another boid</param>
/// <returns>Result acceleration</returns>
private Vector3 calculateSteeringDirection(Boid otherBoid)
{
Vector3 steeringDirection = Vector3.zero;
float distance = Vector3.Distance(Boid.Position, otherBoid.Position);
if (distance < Boid.MinimumDistance) {
Vector3 difference = Boid.Position - otherBoid.Position;
difference.Normalize();
difference /= distance; //weight by distance
steeringDirection += difference;
}
return steeringDirection;
}
/// <summary>
/// Creates a new Line of sight goal seeking behaviour
/// </summary>
/// <param name="boid">the boid who the behaviour belongs to</param>
public LineOfSightGoalSeekingBehaviour(Boid boid)
: base(boid)
{
}