void Start()
{
AkSoundEngine.SetRTPCValue("density", 0, gameObject);
AkSoundEngine.PostEvent("Play_musBlend", gameObject);
// Get all stream points in the scene
// Maybe we should use an octree
StreamPoint[] p = GameObject.FindObjectsOfType <StreamPoint>();
streamPoints = new List <StreamPoint>(p);
float x, y, i;
for (int r = 0; r < races.Length; ++r)
{
Transform ancester = new GameObject(races[r].id).GetComponent <Transform>();
ancester.parent = this.transform;
List <BoidController> racepopulation = new List <BoidController>(races[r].population);
for (i = 0; i < races[r].population; ++i)
{
x = UnityEngine.Random.Range(-entitySpawnSurface.x / 2, entitySpawnSurface.x / 2);
y = UnityEngine.Random.Range(-entitySpawnSurface.y / 2, entitySpawnSurface.y / 2);
BoidController boid = Instantiate(races[r].prefab, new Vector3(x, y, 0), Quaternion.identity, ancester).GetComponent <BoidController>();
racepopulation.Add(boid);
}
entitiesByRace.Add(racepopulation);
}
}
private void UpdateBoidWithOther(Vector3 selfPos, BoidController other, ref Vector3 repulsion)
{
float squaredDistance = (other.transform.position - selfPos).sqrMagnitude;
if (squaredDistance < detectionRange * detectionRange)
{
// Repulsion
if (squaredDistance <= repulsionRange * repulsionRange)
{
repulsion += (selfPos - other.transform.position);
}
}
}
private void UpdateBoidWithOther(Vector3 selfPos, BoidController other,
ref Vector3 barycenter, ref Vector3 repulsion, ref Vector3 imitation, ref int baryN)
{
float squaredDistance = (other.transform.position - selfPos).sqrMagnitude;
if (squaredDistance < detectionRange * detectionRange)
{
// Cohesion
barycenter += other.transform.position;
baryN++;
// Imitation
imitation += other.currentVelocity;
// Repulsion
if (squaredDistance <= repulsionRange * repulsionRange)
{
repulsion += (selfPos - other.transform.position);
}
}
}
private void CheckLevelBorders(BoidController boid, Vector3 pos)
{
if (pos.x <= -entitySpawnSurface.x / 2)
{
pos.x += entitySpawnSurface.x;
boid.transform.position = pos;
}
else if (pos.x >= entitySpawnSurface.x / 2)
{
pos.x -= entitySpawnSurface.x;
boid.transform.position = pos;
}
else if (pos.y >= entitySpawnSurface.y / 2)
{
pos.y -= entitySpawnSurface.y;
boid.transform.position = pos;
}
else if (pos.y <= -entitySpawnSurface.y / 2)
{
pos.y += entitySpawnSurface.y;
boid.transform.position = pos;
}
}
private void UpdateOneBoid(BoidController boid,
bool likesA1, bool likesA2, bool likesB1, bool likesB2, bool likesC1, bool likesC2)
{
Vector3 pos = boid.transform.position;
boid.targetVelocity = Vector3.zero;
Vector3 cohesion = Vector3.zero;
Vector3 repulsion = Vector3.zero;
Vector3 imitation = Vector3.zero;
Vector3 follow = Vector3.zero;
Vector3 streaming = Vector3.zero; // courants
Vector3 barycenter = Vector3.zero;
boid.isFollowing = false;
int n = 0;
ConsiderRace(0, likesA1, pos, ref repulsion, ref imitation, ref barycenter, ref n);
ConsiderRace(1, likesA2, pos, ref repulsion, ref imitation, ref barycenter, ref n);
ConsiderRace(2, likesB1, pos, ref repulsion, ref imitation, ref barycenter, ref n);
ConsiderRace(3, likesB2, pos, ref repulsion, ref imitation, ref barycenter, ref n);
ConsiderRace(4, likesC1, pos, ref repulsion, ref imitation, ref barycenter, ref n);
ConsiderRace(5, likesC2, pos, ref repulsion, ref imitation, ref barycenter, ref n);
cohesion = ((barycenter / n) - pos).normalized;
repulsion = repulsion.normalized;
imitation = imitation.normalized;
// Repulsion by player
if ((player.transform.position - pos).sqrMagnitude <= repulsionRange * repulsionRange)
{
repulsion += (pos - player.transform.position);
}
// Courants
foreach (var point in streamPoints)
{
if ((point.transform.position - pos).sqrMagnitude < streamDetectionRange * streamDetectionRange)
{
streaming += point.Direction;
}
}
// Trail
for (int i = trailZoneManager.trails.Count - 1; i >= 0; --i)
{
TrailBoidZone zone = trailZoneManager.trails[i];
if ((pos - zone.transform.position).sqrMagnitude <= zone.range * zone.range)
{
follow = zone.direction;
boid.isFollowing = true;
++followersCount;
break;
}
}
CheckLevelBorders(boid, pos);
// Apply to boid velocity
boid.targetVelocity = cohesion * cohesionForce
+ repulsion * repulsionForce
+ imitation * imitationForce
+ follow * followForce
+ streaming * currentStreamForce;
}
