// Start is called before the first frame update
void Start()
{
for (int i = 0; i < numBirds; i++)
{
GameObject GO = Instantiate(bird.gameObject, this.transform);
GO.transform.localPosition = Random.onUnitSphere;
BirdMovement_Old birdMove = GO.GetComponent <BirdMovement_Old>();
birdMove.targetDirection = Random.onUnitSphere;
birdMove.enabled = true;
TrailRenderer trail = GO.GetComponentInChildren <TrailRenderer>();
trail.startColor = Random.ColorHSV(0, 1f, .9f, 1f, 0.9f, 1.0f, .99f, 1.0f);
trail.endColor = new Color(0, 0, 0, 0f);
Light ll = GO.GetComponentInChildren <Light>();
ll.color = trail.startColor;
}
}
// This class is meant to purely compute the next location the bird object should fly towards.
public static Vector3 GetNewMovement(BirdMovement_Old bm)
{
currentBirdsLoc[bm] = bm.transform.position;
// First lets search to see if any points are free
Quaternion qq = bm.transform.rotation;
int __numRays = _numRays;
float __searching = _searching;
Vector3 selection = qq * Quaternion.Inverse(bm.transform.localRotation) * bm.targetDirection;
float golden = (1 + Mathf.Sqrt(5f));
bool dodging = false;
for (int i = 0; i < __numRays; i++)
{
float phi = Mathf.Acos(1f - 2f * (i + .5f) / (_numRays + .5f));
float theta = Mathf.PI * golden * (i + .5f);
Vector3 temp = qq * new Vector3(Mathf.Cos(theta) * Mathf.Sin(phi), Mathf.Sin(theta) * Mathf.Sin(phi), Mathf.Cos(phi));
//Debug.DrawRay(bm.transform.position, temp, Color.blue);
if (phi > _searching)
{
break;
}
else if (Physics.SphereCast(new Ray(bm.transform.position, temp), _sphereCheckRad, bm.speed * Time.smoothDeltaTime * 2f, _targetLayer))
{
selection -= temp;
dodging = true;
}
}
if (dodging)
{
return(bm.transform.localRotation * Quaternion.Inverse(qq) * selection.normalized);
}
Vector3 aveflock = bm.transform.position;
bool seenOthers = false;
int numberSeen = 1;
Vector3 aveVel = selection;
foreach (BirdMovement_Old bmm in otherBirds)
{
if (!bmm.Equals(bm))
{
float distanceToOther = Vector3.Distance(bmm.transform.position, bm.transform.position);
if (distanceToOther < bm.flockRange)
{
seenOthers = true;
aveflock += bmm.transform.position;
numberSeen++;
// But like...yeah
if (distanceToOther < _dodgeDist)
{
selection -= (bmm.transform.position - bm.transform.position) * _ruleStrengths.x;
}
aveVel += bmm.transform.forward;
}
}
}
if (seenOthers)
{
//Debug.DrawLine(bm.transform.position, (aveflock/numberSeen), Color.red);
selection += ((aveflock / numberSeen) - bm.transform.position).normalized * _ruleStrengths.z;
selection += (aveVel / numberSeen).normalized * _ruleStrengths.y;
}
return(bm.transform.localRotation * Quaternion.Inverse(qq) * selection.normalized);
}
public static void RegisterBird(BirdMovement_Old bm)
{
otherBirds.Add(bm);
currentBirdsLoc.Add(bm, bm.transform.position);
}
