public override Vector2 CalculateMove(BoidObject Boid, List <Transform> NeighbourBoids, BoidsManager AllBoids)
{
if (Weights.Length != Behaviours.Length)
{
Debug.LogError("WEIGHTS AND BEHAVIOURS ARE NOT THE SAME AMOUNTS");
return(Vector2.zero);
}
Vector2 Move = Vector2.zero;
for (int i = 0; i < Behaviours.Length; i++)
{
Vector2 PartialMove = Behaviours[i].CalculateMove(Boid, NeighbourBoids, AllBoids) * Weights[i];
if (PartialMove != Vector2.zero)
{
if (PartialMove.sqrMagnitude > Weights[i] * Weights[i])
{
PartialMove.Normalize();
PartialMove *= Weights[i];
}
Move += PartialMove;
}
}
return(Move);
}
void Start()
{
boidObjs = new BoidObject[numBoids];
for (int i = 0; i < numBoids; i++)
{
boidObjs[i] = new BoidObject(boidPrefab, transform, playerControlScript);
}
}
public override Vector2 CalculateMove(BoidObject Boid, List <Transform> NeighbourBoids, BoidsManager AllBoids)
{
if (TargetTrans == Vector2.zero)
{
return(Vector2.zero);
}
Vector2 TargetMove = TargetTrans;
return(TargetMove);
}
public override List <Transform> Filter(BoidObject Boids, List <Transform> Original)
{
List <Transform> Filtered = new List <Transform>();
foreach (Transform Item in Original)
{
if (ObstacleMask == (ObstacleMask | (1 << Item.gameObject.layer)))
{
Filtered.Add(Item);
}
}
return(Filtered);
}
List <Transform> GetNearbyObjects(BoidObject Boid)
{
List <Transform> NeighbourObjects = new List <Transform>();
Collider2D[] NeighbourColliders = Physics2D.OverlapCircleAll(Boid.transform.position, NeighbourRadius);
foreach (Collider2D Colliders in NeighbourColliders)
{
if (Colliders != Boid.BoidsCollider)
{
NeighbourObjects.Add(Colliders.transform);
}
}
return(NeighbourObjects);
}
private void Start()
{
SquareMaxSpeed = MaxMoveSpeed * MaxMoveSpeed;
SquareNeighbourRadius = NeighbourRadius * NeighbourRadius;
SquareAvoidanceRadius = SquareNeighbourRadius * AvoidanceRadius * AvoidanceRadius;
for (int i = 0; i < BoidAmount; i++)
{
BoidObject NewBoid = Instantiate(BoidPrefab, Random.insideUnitCircle * BoidAmount * BoidDensity, Quaternion.Euler(Vector3.forward * Random.Range(0.0f, 360.0f)), this.transform);
NewBoid.name = "Boid " + i;
NewBoid.Initialize(this);
Boids.Add(NewBoid);
}
}
public override Vector2 CalculateMove(BoidObject Boid, List <Transform> NeighbourBoids, BoidsManager AllBoids)
{
if (NeighbourBoids.Count == 0)
{
return(Boid.transform.up);
}
Vector2 AlignmentMove = Vector2.zero;
foreach (Transform Item in NeighbourBoids)
{
AlignmentMove += (Vector2)Item.transform.up;
}
AlignmentMove /= NeighbourBoids.Count;
return(AlignmentMove);
}
public override Vector2 CalculateMove(BoidObject Boid, List <Transform> NeighbourBoids, BoidsManager AllBoids)
{
if (NeighbourBoids.Count == 0)
{
return(Vector2.zero);
}
Vector2 CohesionMove = Vector2.zero;
foreach (Transform Item in NeighbourBoids)
{
CohesionMove += (Vector2)Item.position;
}
CohesionMove /= NeighbourBoids.Count;
CohesionMove -= (Vector2)Boid.transform.position;
return(CohesionMove);
}
/// <summary>
/// Creates and instantiates the boid objects.
/// THe boids are spawned randomly around a 4x4x4 cube around the manager.
/// </summary>
private void _CreateBoids()
{
if (_managedBoids == null)
{
_managedBoids = new BoidObject[_boidCount];
}
for (int i = 0; i < _boidCount; i++)
{
var prefab = _GetBoidPrefab();
var startPos = new Vector3(UnityEngine.Random.Range(-2f, 2f), UnityEngine.Random.Range(-2f, 2f), UnityEngine.Random.Range(-2f, 2f));
var boid = Instantiate(prefab, transform.position + startPos, Quaternion.identity);
boid.AddComponent <BoidSubordinate> ().SetBoidManager(this);
_managedBoids[i] = new BoidObject(boid);
}
if (_boidFollowCamera != null)
{
var folowCam = _boidFollowCamera.gameObject.AddComponent <BoidFollowCamera>();
folowCam.SetFollowTargetObject(_managedBoids[0].go);
}
}
public override Vector2 CalculateMove(BoidObject Boid, List <Transform> NeighbourBoids, BoidsManager AllBoids)
{
if (NeighbourBoids.Count == 0)
{
return(Vector2.zero);
}
Vector2 CohesionMove = Vector2.zero;
List <Transform> FilterStuff = (Filter == null) ? NeighbourBoids : Filter.Filter(Boid, NeighbourBoids);
foreach (Transform Item in FilterStuff)
{
CohesionMove += (Vector2)Item.position;
}
CohesionMove /= NeighbourBoids.Count;
CohesionMove -= (Vector2)Boid.transform.position;
if (float.IsNaN(CurrentVelocity.x) || float.IsNaN(CurrentVelocity.y))
{
CurrentVelocity = Vector2.zero;
}
CohesionMove = Vector2.SmoothDamp(Boid.transform.up, CohesionMove, ref CurrentVelocity, BoidSmoothTime);
return(CohesionMove);
}
public override Vector2 CalculateMove(BoidObject Boid, List <Transform> NeighbourBoids, BoidsManager AllBoids)
{
if (NeighbourBoids.Count == 0)
{
return(Vector2.zero);
}
Vector2 SeparationMove = Vector2.zero;
int AvoidObjects = 0;
foreach (Transform Item in NeighbourBoids)
{
if (Vector2.SqrMagnitude(Item.position - Boid.transform.position) < AllBoids.SquareAvoidanceRadiusGet)
{
AvoidObjects++;
SeparationMove += (Vector2)(Boid.transform.position - Item.position);
}
}
if (AvoidObjects > 0)
{
SeparationMove /= AvoidObjects;
}
return(SeparationMove);
}
public abstract Vector2 CalculateMove(BoidObject Boid, List <Transform> NeighbourBoids, BoidsManager AllBoids);
public abstract List <Transform> Filter(BoidObject Boids, List <Transform> Original);