public override Vector2 CalculateMove(Agent agent, List <Transform> context, FishFSM fish)
{
// No neighbours
if (context.Count == 0)
{
return(Vector2.zero);
}
// Calcuate average between all neighbours
Vector2 cohesionMove = Vector2.zero;
// If filter is not null, use filtered context instead
List <Transform> filteredContext = (filter == null) ? context : filter.Filter(agent, context);
foreach (Transform item in filteredContext)
{
cohesionMove += (Vector2)item.position;
}
// Average position
cohesionMove /= context.Count;
// Create offset from agent position
cohesionMove -= (Vector2)agent.transform.position;
// Smooth movement
cohesionMove = Vector2.SmoothDamp(agent.transform.up, cohesionMove, ref currentVelocity, agentSmoothTime);
return(cohesionMove);
}
public override Vector2 CalculateMove(Agent agent, List <Transform> context, FishFSM fish)
{
// Check size of behaviours and weights is equal
if (weights.Length != behaviours.Length)
{
Debug.LogError("Data mismatch in " + name, this);
return(Vector2.zero);
}
// Composite move
Vector2 move = Vector2.zero;
for (int i = 0; i < behaviours.Length; ++i)
{
Vector2 partialMove = behaviours[i].CalculateMove(agent, context, fish) * weights[i];
if (partialMove != Vector2.zero)
{
// Limit magnitudde of partial move to extent of weight
if (partialMove.sqrMagnitude > weights[i] * weights[i])
{
partialMove.Normalize();
partialMove *= weights[i];
}
move += partialMove;
}
}
return(move);
}
public override Vector2 CalculateMove(Agent agent, List <Transform> context, FishFSM fish)
{
// No neighbours
if (context.Count == 0)
{
return(Vector2.zero);
}
// Calcuate average between all neighbours
Vector2 avoidanceMove = Vector2.zero;
// Number of agents to avoid
int nAvoid = 0;
// If filter is not null, use filtered context instead
List <Transform> filteredContext = (filter == null) ? context : filter.Filter(agent, context);
foreach (Transform item in filteredContext)
{
if (Vector2.SqrMagnitude(item.position - agent.transform.position) < fish.SquareAvoidanceRadius)
{
nAvoid++;
avoidanceMove += (Vector2)(agent.transform.position - item.position);
}
}
// Average position
if (nAvoid > 0)
{
avoidanceMove /= nAvoid;
}
return(avoidanceMove);
}
public override Vector2 CalculateMove(Agent agent, List <Transform> context, FishFSM fish)
{
// No neighbours
if (context.Count == 0)
{
return(agent.transform.up);
}
// Calcuate average between all neighbours
Vector2 alignmentMove = Vector2.zero;
// If filter is not null, use filtered context instead
List <Transform> filteredContext = (filter == null) ? context : filter.Filter(agent, context);
foreach (Transform item in filteredContext)
{
alignmentMove += (Vector2)item.transform.up;
}
// Average position
alignmentMove /= context.Count;
return(alignmentMove);
}
void Start()
{
fishFsm = GetComponent <FishFSM>();
}
public void Initialize(FishFSM fish)
{
agentFish = fish;
}
void Start()
{
fishFsm = GetComponent <FishFSM>();
fishWander = GetComponent <FishWander>();
_selfTrans = transform;
}
public abstract Vector2 CalculateMove(Agent agent, List <Transform> context, FishFSM fish);
