private void CalculateMove(Boid boid)
{
Vector3 cohesionVector, separationVector, alignmentVector, seekVector, arriveVector;
// calculate behaviours
cohesionVector = Cohesion.CalculateCohesion(boid) * cohesionWeight;
separationVector = Separation.CalculateSeparation(boid) * separationWeight;
alignmentVector = Alignment.CalculateAlignment(boid) * alignmentWeight;
seekVector = Seek.CalculateSeek(boid, Target, maxSpeed) * seekWeight;
arriveVector = Arrive.CalculateArrive(boid, Target, arriveSlowingDistance, arriveMaxSpeed);
// calculate vector
var newVelocity = boid.Velocity + cohesionVector + separationVector + alignmentVector + seekVector + arriveVector;
var newPosition = boid.Position + newVelocity;
// limit
newVelocity = LimitVelocity(newVelocity);
boid.UpdateMove(newPosition, newVelocity);
}