public Vector3 Alignment(Boid b)
{
if (Neighbors(b).Count <= 1)
{
return(Vector3.zero);
}
var alignmentForce = Vector3.zero;
foreach (var neighbor in Neighbors(b))
{
if (neighbor == b)
{
continue;
}
alignmentForce += neighbor.Velocity;
}
alignmentForce /= Neighbors(b).Count - 1;
return((alignmentForce - b.Velocity) / 8);
}
public Vector3 Cohesion(Boid b)
{
if (Neighbors(b).Count <= 1)
{
return(Vector3.zero);
}
var cohesionForce = Vector3.zero;
foreach (var neighbor in Neighbors(b))
{
if (neighbor == b)
{
continue;
}
cohesionForce += neighbor.Position;
}
cohesionForce /= Neighbors(b).Count - 1;
return((cohesionForce - b.Position) / 100);
}
public Vector3 Dispersion(Boid b)
{
if (Neighbors(b).Count <= 0)
{
return(Vector3.zero);
}
var seperationForce = Vector3.zero;
foreach (var neighbor in Neighbors(b))
{
if (neighbor == b)
{
continue;
}
var dist = Vector3.Distance(b.Position, neighbor.Position);
if (dist < 10f)
{
var dir = (b.Position - neighbor.Position).normalized;
seperationForce += dir;
}
}
return(seperationForce);
}
public void SetBoid(Boid b)
{
agent = b;
}