/*-------------------------------------------------------------------------------------------------------------*/
/** <summary>
* Updates the position and rotation of the boid based on the <see cref="VectorSet"/>. </summary>
* <param name="direction_vector"> The vector used to update the boid's velocity </param> */
public void Update_velocity(Vector3 direction_vector)
{
//calculate bird's new velocity based on the directionVector and the update time
Vector3 new_velocity = rigidbody.velocity + (direction_vector + randomizer.Get_random_vector()) * Time.deltaTime;
//apply a turn
Quaternion target_rotation = Quaternion.LookRotation(new_velocity);
transform.rotation = Quaternion.Lerp(transform.rotation, target_rotation, 30 * Time.deltaTime);
//set the new velocity
rigidbody.velocity = new_velocity;
}
