// OnStateEnter is called when a transition starts and the state machine starts to evaluate this state
override public void OnStateEnter(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
{
rb = animator.GetComponent <Rigidbody2D>();
boss = animator.GetComponent <BossBehaviour>();
wallTarget = boss.nearestWall();
boss.backing = false;
rb.constraints = RigidbodyConstraints2D.FreezeRotation;
}