//applying movement to unit
/// <summary>
/// Calculates the forces that steer unit's direction
/// </summary>
public void CalcSteeringForces()
{
//Create a new ultimate force that's zeroed
Vector3 ultForce = Vector3.zero;
//Move towards the given target
ultForce += Seek(target.transform.position).normalized *seekWeight;
//flocking
//align
ultForce += Alignment(fM.AverageDirection()).normalized *alignWeight;
//cohere
ultForce += Cohesion(fM.AveragePosition()).normalized *cohesionWeight;
//separate
foreach (GameObject flock in neighbors)
{
ultForce += Separation(flock).normalized *separationWeight;
}
RaycastHit hit;
if (Physics.Raycast(new Ray(transform.position, transform.forward), out hit, 5.0f, 1 << 8))
{
ultForce += (transform.position - hit.point).normalized * obstacleAvoidWeight;
}
//apply the force to the units acceleration
acceleration += ultForce / mass;
}