void Awake()
{
navfieldManager = GameObject.FindObjectOfType <NavfieldManager>();
boids = new Boid[numberOfBoids];
boids[0] = GetComponentInChildren <Boid>();
boids[0].init();
boids[0].setNeighbors(new Boid[0]);
leader = boids[0];
for (int i = 1; i < numberOfBoids; i++)
{
boids[i] = Instantiate(boidPrefab, transform.position, Quaternion.identity) as Boid;
boids[i].transform.parent = transform;
boids[i].init();
}
// Set neighbors
int index = 0;
int neighborIndexLeft = numberOfBoids - 1;
Boid[] neighbors;
List <Boid> neighborsLeft = new List <Boid>(boids);
for (int i = 1; i < numberOfBoids; i++)
{
neighbors = new Boid[1];
for (int j = 0; j < 1; j++)
{
index = Random.Range(1, neighborIndexLeft);
neighbors[j] = neighborsLeft[index];
neighborsLeft.RemoveAt(index);
neighborIndexLeft--;
}
boids[i].setNeighbors(neighbors);
}
// Init
barycenter = Vector3.zero;
timeSinceLastCheck = 0f;
randomWalkTime = 0f;
returnTime = 0f;
timeSinceLastRandomWalk = 0f;
timeSinceLastReturn = 0f;
randomWalk = false;
returnWalk = false;
target = Vector3.zero;
}
private void Create(NavfieldManager manager, Flock flock, Quaternion orientation, NavFieldPrimitives primitive, float duration)
{
this.manager = manager;
origin = flock.getBarycenter();
rotation = orientation;
size = manager.minSize;
cellSize = manager.minCellSize;
int count = 0;
for (int i = 0; i < flock.numberOfBoids; i++)
{
if (isInside(flock.boids[i].transform.position))
{
count++;
}
}
float ratio = (float)count / (float)flock.numberOfBoids,
minRatio = (manager.minSize * manager.minCellSize) / flock.boundRadius;
if (ratio >= minRatio)
{
cellSize = (float)manager.minCellSize / ratio;
}
else
{
cellSize = (float)manager.minCellSize / minRatio;
}
forces = new Vector3[size, size, size];
this.duration = duration;
time = 0f;
switch (primitive)
{
case NavFieldPrimitives.dispersal:
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
for (int k = 0; k < size; k++)
{
forces[i, j, k] = manager.force * new Vector3((i - (size * 0.5f)) / (size * 0.5f), (j - (size * 0.5f)) / (size * 0.5f), (k - (size * 0.5f)) / (size * 0.5f));
}
}
}
break;
case NavFieldPrimitives.gathering:
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
for (int k = 0; k < size; k++)
{
forces[i, j, k] = manager.force * -new Vector3((i - (size * 0.5f)) / (size * 0.5f), (j - (size * 0.5f)) / (size * 0.5f), (k - (size * 0.5f)) / (size * 0.5f));
}
}
}
break;
case NavFieldPrimitives.horizontal_compressor:
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
for (int k = 0; k < size; k++)
{
forces[i, j, k] = manager.force * -new Vector3((i - (size * 0.5f)) / (size * 0.5f), 0, 0);
}
}
}
break;
case NavFieldPrimitives.vertical_compressor:
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
for (int k = 0; k < size; k++)
{
forces[i, j, k] = manager.force * -new Vector3(0, (j - (size * 0.5f)) / (size * 0.5f), 0);
}
}
}
break;
case NavFieldPrimitives.ascension:
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
for (int k = 0; k < size; k++)
{
forces[i, j, k] = manager.force * new Vector3(0, 1, 0);
}
}
}
break;
case NavFieldPrimitives.descent:
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
for (int k = 0; k < size; k++)
{
forces[i, j, k] = manager.force * -new Vector3(0, 1, 0);
}
}
}
break;
case NavFieldPrimitives.tube:
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
for (int k = 0; k < size; k++)
{
if (i - (size * 0.5f) < 0)
{
forces[i, j, k] = manager.force * new Vector3(1, 1, 0);
}
else
{
forces[i, j, k] = manager.force * new Vector3(-1, 1, 0);
}
}
}
}
break;
}
}
public Navfield(NavfieldManager manager, Flock flock, Quaternion orientation, NavFieldPrimitives primitive, float duration)
{
Create(manager, flock, orientation, primitive, duration);
}
