/// <summary>
/// Spawn boids over time.
/// </summary>
/// <param name="delay">Amount of time between spawns.</param>
private IEnumerator SpawnBoids(float delay)
{
for (int i = 0; i < boidCount; i++)
{
Vector3 spawnPoint = Random.insideUnitSphere;
spawnPoint.z = Mathf.Abs(spawnPoint.z);
GameObject g = Instantiate(boidPrefab, transform.TransformPoint(spawnPoint), Quaternion.LookRotation(spawnPoint, transform.up));
if (goal)
{
Boid b = g.GetComponent <Boid>();
if (b)
{
b.goal = goal;
}
}
yield return(new WaitForSeconds(delay));
}
}
/*public void Draw()
* {
* _sb.Begin();
*
* for (int i = 0; i < boids.Count; ++i)
* boids[i].Draw(_sb);
*
* _sb.End();
* }*/
public Boid[] FindNeighbours(Boid _of)
{
List <Boid> neighbours = new List <Boid>();
for (int i = 0; i < boids.Count; ++i)
{
if (boids[i] == _of)
{
continue;
}
Vector2 vec = _of.transform.position - boids[i].transform.position;
float dist = vec.magnitude;
if (dist < _of.radius)
{
neighbours.Add(boids[i]);
}
}
return(neighbours.ToArray());
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// * Class Function
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
public void Update()
{
spawnCount += Time.deltaTime;
if (Input.GetMouseButtonDown(0) && spawnCount > spawnFrequency)
{
//Vector3 mousePos = Camera.current.ScreenToWorldPoint(new Vector3(100, 100, Camera.current.nearClipPlane));
//boids.Add(ships[Random.Range(0, ships.Length -1)]);
Vector3 position = new Vector3(Random.Range(-10.0f, 10.0f), 0, Random.Range(-10.0f, 10.0f));
Boid boid = (Boid)Instantiate(ships[Random.Range(0, ships.Length - 1)], position, Quaternion.identity);
boids.Add(boid);
spawnCount = 0;
}
for (int i = 0; i < boids.Count; ++i)
{
boids[i].FixedUpdate();
if (!screenRect.Contains(new Vector2((int)boids[i].transform.position.x, (int)boids[i].transform.position.y)))
{
boids.RemoveAt(i--);
}
}
}
private void DrawBoid(Boid boid)
{
SceneObjectPart existing = m_scene.GetSceneObjectPart (boid.Id);
SceneObjectGroup sog;
if (existing == null) {
SceneObjectGroup group = findByName (m_boidPrim);
sog = CopyPrim (group, boid.Id);
m_sogMap [boid.Id] = sog;
m_scene.AddNewSceneObject (sog, false);
} else {
sog = existing.ParentGroup;
}
Quaternion rotation = CalcRotationToEndpoint (sog, sog.AbsolutePosition, boid.Location);
sog.UpdateGroupRotationPR( boid.Location, rotation);
}
void AddBoid(string name)
{
Boid boid = new Boid (name, this, m_flowMap);
// find an initial random location for this Boid
// somewhere not within an obstacle
int xInit = m_rnd.Next(m_flowMap.LengthX);
int yInit = m_rnd.Next(m_flowMap.LengthY);
int zInit = m_rnd.Next(m_flowMap.LengthZ);
while( m_flowMap.IsWithinObstacle( xInit, yInit, zInit ) ){
xInit = m_rnd.Next(m_flowMap.LengthX);
yInit = m_rnd.Next(m_flowMap.LengthY);
zInit = m_rnd.Next(m_flowMap.LengthZ);
}
boid.Location = new Vector3 (Convert.ToSingle(xInit), Convert.ToSingle(yInit), Convert.ToSingle(zInit));
m_flock.Add (boid);
}
