public override void OnStateEnter(Animator animator, AnimatorStateInfo animatorStateInfo, int layerIndex)
{
if (navAgent == null)
{
navAgent = animator.GetComponent <NavMeshAgent>();
}
if (target == null)
{
target = PlayerExample.GetInstance();
}
//Reset path upon entering chase state so we have a fresh one towards the target
navAgent.ResetPath();
navAgent.speed = runSpeed;
}
//Tries RepathCount times to find a path near the player, increasing the radius each time.
//This is needed in case the player is not on valid Navmesh
public void SetDestinationNearTarget(NavMeshAgent _agent, PlayerExample _target)
{
NavMeshHit hit;
float radius = 0;
for (int i = 0; i < repathCount; ++i)
{
Vector3 randomPosition = Random.insideUnitSphere * radius;
randomPosition += _target.transform.position;
if (NavMesh.SamplePosition(randomPosition, out hit, radius, 1))
{
_agent.SetDestination(hit.position);
break;
}
else
{
++radius;
}
}
}
//Check if we are within chase range of the target, is static to be used by other states
public static bool ShouldChasePlayer(Vector3 _chaserPosition)
{
PlayerExample player = PlayerExample.GetInstance();
return((player.transform.position - _chaserPosition).sqrMagnitude < chaseRadius * chaseRadius);
}