public void SetPedestrianTargets()
{
if (isWaitingForBoid)
{
return;
}
if (allPedestrians.Count == 0)
{
return;
}
foreach (GameObject go in allPedestrians)
{
//if (!go) return;
// Calculate next target
Vector3 direction = new Vector3();
PedestrianCrowdPath crowdPath = go.GetComponentInParent <PedestrianCrowdPath>();
direction = crowdPath.GetNextNode().transform.position - go.transform.position;
float speedSum = 0f;
float noOfBoidObj = 0;
// BOID movement: Staying away from other pedestrians in a squared magnitude of BOID_SQR_MAGNITUDE
foreach (GameObject boidObj in allPedestrians)
{
// Select all GameObject within range and not self
if (Vector3.SqrMagnitude(go.transform.position - boidObj.transform.position) < BOID_SQR_MAGNITUDE &&
boidObj != go)
{
direction = direction.normalized;
direction -= (boidObj.transform.position - go.transform.position) * BOID_AVOIDANCE_RATE;
// Calculate Speed to match surrouding
speedSum += boidObj.GetComponentInParent <PedestrianCrowdPath>().currentSpeed;
noOfBoidObj++;
}
}
// Include current player to calculation
if (player)
{
if (Vector3.SqrMagnitude(go.transform.position - player.transform.position) < BOID_SQR_MAGNITUDE &&
player != go)
{
direction -= (player.transform.position - go.transform.position) * BOID_AVOIDANCE_RATE;
direction -= (player.transform.position - go.transform.position) * BOID_AVOIDANCE_RATE;
}
}
// Set target toward direction vector
crowdPath.currentTarget.transform.position = go.transform.position + direction;
crowdPath.SetTarget(crowdPath.currentTarget.transform);
if (noOfBoidObj > 0)
{
crowdPath.currentSpeed += (speedSum / noOfBoidObj - crowdPath.currentSpeed) * BOID_SPEEDMATCH_RATE;
}
}
}
// Update is called once per frame
void FixedUpdate()
{
// Spawning multiple instances until maximum number of instances reached
while ((currentNoOfInstances < maxNoOfInstances || maxNoOfInstances == -1) &&
!isWaitingForSpawn)
{
// Clone a new path
GameObject pathTemplate = pedestrianPathOriginal[Random.Range(0, pedestrianPathOriginal.Length)].gameObject; // Choose a random original path to be cloned
GameObject clonedPath = Instantiate(pathTemplate, pathTemplate.transform.position, Quaternion.identity, this.transform);
pedestrianPathInstances.Add(clonedPath);
if (randomiseRoute)
{
foreach (PedestrianDest pedDest in clonedPath.GetComponent <PedestrianCrowdPath>().pedestrianNodes)
{
pedDest.transform.position += new Vector3(Random.Range(-1.5f, 1.5f), 0, Random.Range(-1.5f, 1.5f));
}
}
// Spawn new pedestrian
GameObject go = clonedPath.GetComponent <PedestrianCrowdPath>().SpawnNewPedestrian();
StartCoroutine(SpawnWaiting(Random.Range(minSpawnTime, maxSpawnTime)));
}
// Re-add all pedestrians into pedestrian list
allPedestrians.Clear();
currentNoOfInstances = 0;
foreach (GameObject pedPathIns in pedestrianPathInstances)
{
if (!pedPathIns.GetComponent <PedestrianCrowdPath>().GetPedestrianCharacter()) // No longer active
{
pedestrianPathInstances.Remove(pedPathIns);
Destroy(pedPathIns);
break;
}
PedestrianCrowdPath p = pedPathIns.GetComponent <PedestrianCrowdPath>();
p.SetNextNode();
p.CheckWaiting();
allPedestrians.Add(p.GetPedestrianCharacter());
currentNoOfInstances++;
}
if (useBoidMovement)
{
// Start BOID movement
SetPedestrianTargets();
StartCoroutine(BoidWaiting(BOID_THINKING_RATE));
}
else
{
foreach (GameObject go in pedestrianPathInstances)
{
PedestrianCrowdPath p = go.GetComponent <PedestrianCrowdPath>();
p.SetTarget(p.GetNextNode().transform);
}
}
// Check if objects are destroyed
//TODO
}