// Update is called once per frame
void Update()
{
//Don't check for sight if the enemy is already alerted
if (mind.state != EnemyMind.STATES.ALERT)
{
//check to see if the player is in the enemies line of sight
bool seen = false;
foreach (Character p in players)
{
//If the player is caught, no need to check them
if (!p.isActivated)
{
continue;
}
//if the player is within the cone of vision or they are too close to the guard, they can be seen
Vector3 correctedPosition = new Vector3(p.transform.position.x, 1, p.transform.position.z);
Vector3 dir = correctedPosition - transform.position;
float angle = Vector3.Angle(dir, transform.forward);
float pDistance = Vector3.Distance(correctedPosition, transform.position);
if (angle <= visionThreshold / 2 || pDistance < SenseDistance)
{
RaycastHit hit;
if (Physics.Raycast(transform.position, dir.normalized, out hit))
{
Debug.DrawLine(transform.position, hit.point);
if (hit.collider.tag == "Player")
{
hideTime -= Time.deltaTime + 1 / pDistance;
//If the player has been spotted too much
if (hideTime <= 0)
{
//Alert the guard
mind.alert(p);
hideTime = hideTimeMax;
return;
}
if (hideTime <= hideTimeMax / 2)
{
//Or investigate if not fully caught
mind.Investigate(p.gameObject.transform.position);
}
}
}
seen = true;
break;
}
}
//if there is no player in sight
if (!seen)
{
hideTime += Time.deltaTime / hideCooldown;
hideTime = Mathf.Clamp(hideTime, 0, hideTimeMax);
}
sightImage.color = Color.Lerp(Color.red, Color.clear, hideTime / hideTimeMax);
}
}
