/* Go through all the enemies within the field of view and
* check whether or not their are obstructed by an object.
* If they are not, they are added to the visibleEnemies list */
void FindVisibleEnemies()
{
// VisibleEnemies.visibleEnemies.Clear();
// a list with all the enemy objects that are within the view radius
Collider[] enemiesInViewRadius = Physics.OverlapSphere(transform.position, viewRadius, enemyMask);
for (int i = 0; i < enemiesInViewRadius.Length; i++)
{
Transform enemy = enemiesInViewRadius[i].transform;
Vector3 dirToEnemy = (enemy.position - transform.position).normalized;
if (Vector3.Angle(transform.forward, dirToEnemy) < viewAngle / 2)
{
float dstToEnemy = Vector3.Distance(transform.position, enemy.position);
if (!Physics.Raycast(transform.position, dirToEnemy, dstToEnemy, objectMask))
{
// VisibleEnemies.visibleEnemies.Add(enemy);
VisibleEnemies.AddVisibleEnemy(enemy);
}
}
}
// if (VisibleEnemies.OnEnemiesVisibilityChange != null) VisibleEnemies.OnEnemiesVisibilityChange(VisibleEnemies.visibleEnemies);
// VisibleEnemies.EnemiesVisibilityChange();
}
public void FindTarget()
{
if (VisibleEnemies.Contains(Target))
{
// do nothing
}
else if (VisibleEnemies.Count > 0)
{
Vector3 thisPos = gameObject.transform.position;
Target = VisibleEnemies[0];
float shortestDistance = Vector3.Distance(thisPos, VisibleEnemies[0].transform.position);
for (int i = 1; i < VisibleEnemies.Count; i++)
{
Vector3 enemyPos = VisibleEnemies[i].transform.position;
if (Vector3.Distance(thisPos, enemyPos) < shortestDistance)
{
Target = VisibleEnemies[i];
}
}
}
else
{
Target = null;
}
}