/// <summary>
/// The Cohesion behavior. Returns the required acceleration for the cohesion behaviour
/// </summary>
public Vector3 GetSteering(ICollection <Rigidbody> agents)
{
if (agents == null || agents.Count == 0)
{
return(Vector3.zero);
}
var centerOfMass = Vector3.zero;
var count = 0;
/* Sums up everyone's position who is close enough and in front of the character */
foreach (var r in agents)
{
if (_steeringBasics.IsFacing(r.position, _facingCosineVal) == false)
{
continue;
}
centerOfMass += r.position;
count++;
}
return(count == 0 ? Vector3.zero : _arrive.GetSteering(centerOfMass / count));
}