public override Vector2 CalculateMove(FlockAgent agent, List <Transform> context, Flock flock)
{
// If no neighbors, maintain current alignment
if (context.Count == 0)
{
return(agent.transform.up);
}
// Add all alignments of neighbors and average
Vector2 move = Vector2.zero;
List <Transform> filteredContext = (filter == null) ? context : filter.Filter(agent, context);
foreach (Transform neighbor in filteredContext)
{
move += (Vector2)neighbor.transform.up;
}
return(move / context.Count); // average
}
public override Vector2 CalculateMove(FlockAgent agent, List <Transform> context, Flock flock)
{
// If no neighbors, then nothing to move towards
if (context.Count == 0)
{
return(Vector2.zero);
}
// Add all points together and average
Vector2 move = Vector2.zero;
List <Transform> filteredContext = (filter == null) ? context : filter.Filter(agent, context);
foreach (Transform item in filteredContext)
{
move += (Vector2)item.position;
}
move /= context.Count;
// Create offset from agent's current position
return(move - (Vector2)agent.transform.position);
}
public override Vector2 CalculateMove(FlockAgent agent, List <Transform> context, Flock flock)
{
// If no neighbors, nothing to steal
if (context.Count == 0)
{
return(Vector2.zero);
}
// Instead of moving, steal!
List <Transform> filteredContext = (filter == null) ? context : filter.Filter(agent, context);
foreach (Transform neighbor in filteredContext)
{
FlockAgent neighborAgent = neighbor.GetComponent <FlockAgent>();
if (neighborAgent != null && Random.Range(0f, 1f) < stealChance)
{
flock.StealAgentFromFlock(neighborAgent, neighborAgent.AgentFlock);
}
}
return(Vector2.zero); // nothing to move
}
public override Vector2 CalculateMove(FlockAgent agent, List <Transform> context, Flock flock)
{
Vector2 move = Vector2.zero;
foreach (Behavior b in behaviors)
{
Vector2 partialMove = b.behavior.CalculateMove(agent, context, flock) * b.weight;
if (partialMove != Vector2.zero)
{
// If partial move is greater than our weight, then normalize it so it's exactly the weight
if (partialMove.sqrMagnitude > b.weight + b.weight)
{
partialMove.Normalize();
partialMove *= b.weight;
}
move += partialMove;
}
}
return(move);
}
public bool IsAgentStolen(FlockAgent agent)
{
return(!agents.Contains(agent));
}
public void AddAgent(FlockAgent agent)
{
agents.Add(agent);
}
public void RemoveAgent(FlockAgent agent)
{
agents.Remove(agent);
}
public abstract List <Transform> Filter(FlockAgent agent, List <Transform> original);
public abstract Vector2 CalculateMove(FlockAgent agent, List <Transform> context, Flock flock);