/// <summary>
/// Calculates Cohesive movement for flock agent by averaging the distances between it
/// and its neighbors.
/// </summary>
/// <param name="flockAgent"></param>
/// <param name="context"></param>
/// <param name="contextCount"></param>
/// <param name="flock"></param>
/// <returns></returns>
public override Vector2 CalculateMove(FlockAgent flockAgent, Transform[] context, int contextCount, Flock flock)
{
if (contextCount == 0)
{
return(Vector2.zero);
}
_cohesionMove = Vector2.zero;
for (int i = 0; i < contextCount; ++i)
{
_cohesionMove += (Vector2)context[i].position;
}
_cohesionMove /= contextCount;
_cohesionMove -= flockAgent.Position;
return(_cohesionMove);
}
/// <summary>
/// Instantiates all flocking agents and populates the agents list.
/// </summary>
private void InstantiateAgents()
{
Agents = new FlockAgent[_numberOfAgents];
for (int i = 0; i < _numberOfAgents; ++i)
{
_tempAgentPosition = Random.insideUnitSphere * _numberOfAgents * AgentsDensityInverse;
_tempAgentRotation = Quaternion.Euler(transform.forward * Random.Range(0, 360));
_tempFlockAgent = Instantiate(
_agentPrefab.gameObject,
_tempAgentPosition,
_tempAgentRotation,
_transform
).GetComponent <FlockAgent>();
_tempFlockAgent.Name = "Agent " + i;
Agents[i] = _tempFlockAgent;
}
}
/// <summary> /// Calculates movement for flocking agents. /// </summary> /// <param name="flockAgent"></param> /// <param name="context"></param> /// <param name="flock"></param> /// <returns></returns> public abstract Vector2 CalculateMove(FlockAgent flockAgent, Transform[] context, int contextCount, Flock flock);
