void OnTriggerEnter(Collider other)
{
ProjectileHandler projHandler = other.transform.root.GetComponent <ProjectileHandler>();
if (projHandler != null)
{
projHandler.GetComponent <SimpleMotor3D>().desiredDirec *= -1.0f;
//Debug.Log(projHandler.GetComponent<SimpleMotor3D>().desiredDirec);
}
}