private Enemy.Enemy findNearestEnemy()
{
if (bounceCount >= MaxBounce)
{
return(null);
}
++bounceCount;
// TODO: Find new target
float nearestDist = 0.0f;
Enemy.Enemy nearestEnemy = null;
float range = DetectionRadius * RefTileMap.TileSize;
// Temp disable previous target collider so that raycast works
prevTarget.GetComponent <BoxCollider2D>().enabled = false;
foreach (GameObject go in RefEnemyManager.ActiveResourcesList)
{
Enemy.Enemy e = go.GetComponent <Enemy.Enemy>();
// Cannot assign to the current enemy you're on and have to be within range specified
if (go != prevTarget.gameObject /*(e.transform.position - transform.position).sqrMagnitude <= rangeSqr*/)
{
LayerMask mask = 1 << 12;
RaycastHit2D raycast = Physics2D.Raycast(transform.position, (go.transform.position - transform.position).normalized, range, mask.value);
if (raycast)
{
// Within range and not on current collided enemy
if (nearestEnemy)
{
// Nearest exists, check distance
if (raycast.distance < nearestDist)
{
nearestDist = raycast.distance;
nearestEnemy = raycast.collider.gameObject.GetComponent <Enemy.Enemy>();
}
}
else
{
// Nearest does not exists, direct assign
nearestDist = raycast.distance;
nearestEnemy = raycast.collider.gameObject.GetComponent <Enemy.Enemy>();
}
}
}
}
// Enable previous target collider so that everything is back to normal
prevTarget.GetComponent <BoxCollider2D>().enabled = true;
return(nearestEnemy);
}
