void Update()
{
// WARNING: Possible bottleneck. Zone reset contains a call to GetComponent, which shouldn't be call on an update basis.
foreach (GameObject obj in affectedObjects) {
obj.SendMessage("ZoneReset");
}
affectedObjects = new List<GameObject>();
// Find list of object that are interactable.
GameObject[] gameobjects = GameObject.FindGameObjectsWithTag("Interactable");
foreach (GameObject gameobject in gameobjects) {
if (GetComponent<Renderer>().bounds.Intersects(gameobject.GetComponent<Renderer>().bounds)) {
Vector2[] zoneCornersLocal = GetComponent<PolygonCollider2D>().points;
List<Vector3> zoneCornersWorld = new List<Vector3>();
foreach (Vector2 v in zoneCornersLocal) {
zoneCornersWorld.Add(transform.TransformPoint(v));
}
List<Vector2> zoneCornersOfInterest = new List<Vector2>();
List<int> cornerIndexes = new List<int>();
for (int i = 0; i < zoneCornersWorld.Count; i++) {
RaycastHit2D cornerRaycast = Physics2D.Raycast(zoneCornersWorld[i], transform.position - zoneCornersWorld[i], 0.1f, 1 << LayerMask.NameToLayer("Platform"));
if (cornerRaycast.collider == gameobject.GetComponent<PolygonCollider2D>()) {
zoneCornersOfInterest.Add(zoneCornersWorld[i]);
cornerIndexes.Add(i);
}
}
if (cornerIndexes.Count > 1) {
if (cornerIndexes[1] - cornerIndexes[0] > 1) {
zoneCornersOfInterest.Reverse();
}
}
// For the objects that are interactable and touching the zone:
gameobject.SendMessage("ZoneTrigger", zoneCornersOfInterest);
affectedObjects.Add(gameobject);
}
}
}
