public void CivilianWasMoved(CivilianMovement c)
{
if (endangeredCivilians != null && endangeredCivilians.ContainsKey(c))
{
endangeredCivilians[c] = true;
}
}
public void UpdateEndangeredCiviliansDragStates(CivilianMovement c)
{
// indicate to all of the cars that a civilian that might be in their list of endangereds was moved.
foreach (CarMovement car in Cars)
{
car.CivilianWasMoved(c);
}
}
//method to remove a civilian
public void RemoveCivilian(CivilianMovement thisCivilian, bool replace = true)
{
civilianList.Remove(thisCivilian);
Destroy(thisCivilian.gameObject);
if (replace)
{
SpawnCivilian();
}
}
//method to scan nearby area
void ScanNearby()
{
//empty neigbor list to prevent overlap
neighborList.Clear();
//scan nearby area for rigidbodies
RaycastHit2D[] results = Physics2D.CircleCastAll(
new Vector2(position.x, position.y),
neighborRange,
Vector2.zero);
//values for finding nearest waypoints
WayPoint nearestWaypoint = null;
float nearestDistSqr = float.PositiveInfinity;
//loop through nearby rigidbodies
for (int i = 0; i < results.Length; i++)
{
//this specific rigidbody
GameObject thisHit = results[i].collider.gameObject;
//find relevant components
CivilianMovement thisCiv = thisHit.GetComponent <CivilianMovement>();
WayPoint thisWaypoint = thisHit.GetComponent <WayPoint>();
if (thisCiv != null)
{
//if this is a civilian, add it to the neighbor list
neighborList.Add(thisCiv);
}
else if (thisWaypoint != null && thisWaypoint != prevWaypoint && nextWaypoint == null)
{
//if this is a waypoint and NOT the previous waypoint, check if it's the nearest
//find distance to waypoint
float thisDistSqr = CalcDistSqr(thisWaypoint.transform.position);
//check if it's closer than the previous one
if (thisDistSqr < nearestDistSqr)
{
//make this one the closest
nearestWaypoint = thisWaypoint;
nearestDistSqr = thisDistSqr;
}
}
}
//if a closer waypoint was found, go to that one
if (nearestWaypoint != null && nextWaypoint == null)
{
prevWaypoint = nextWaypoint;
nextWaypoint = nearestWaypoint;
}
}
//method to spawn a single civilian
public void SpawnCivilian()
{
CivilianMovement civ = Instantiate(civilianPrefab, civilianParent).GetComponent <CivilianMovement>();
WayPoint startPoint = spawnPoints[Random.Range(0, spawnPoints.Count)];
civ.transform.position = startPoint.transform.position;
civ.nextWaypoint = startPoint.GetNextWaypoint();
civ.prevWaypoint = civ.nextWaypoint;
civilianList.Add(civ);
}
void UpdatePotentialCivilianCollisions()
{
// Make a list of all the civilians in this car's path.
RaycastHit2D[] hits = Physics2D.CircleCastAll(transform.position, killRadius, direction * 200f);
foreach (RaycastHit2D hit in hits)
{
CivilianMovement c = hit.collider.GetComponent <CivilianMovement>();
if (c == null)
{
continue;
}
if (!endangeredCivilians.ContainsKey(c))
{
endangeredCivilians.Add(c, false);
}
}
}