//This will determine where to set up more particle systems and create them in those positions
private void Expansion()
{
int size = Random.Range(minSystemSize, maxSystemSize + 1);
cluster = new List <NebulaSetup>(size);
List <ChunkCoords> filled = new List <ChunkCoords>(size);
ChunkCoords c = coords;
filled.Add(c);
int count = 1;
int failCount = 0;
while (count < size && failCount < FAIL_LIMIT)
{
c = filled[Random.Range(0, filled.Count)];
//pick a random adjacent coordinate
float randomVal = Random.value;
if (randomVal >= 0.5f)
{
c.x += randomVal >= 0.75f ? 1 : -1;
}
else
{
c.y += randomVal >= 0.25f ? 1 : -1;
}
c = c.Validate();
bool alreadyExists = false;
//this will check for nebulas already created in this group
for (int i = 0; i < filled.Count; i++)
{
ChunkCoords check = filled[i];
if (c == check)
{
alreadyExists = true;
break;
}
}
//if new coordinates have already been filled with nebula then pick a new coordinate
if (alreadyExists)
{
failCount++;
continue;
}
count++;
filled.Add(c);
NebulaSetup newNebula = Instantiate(this, transform.parent);
cluster.Add(newNebula);
newNebula.cluster = cluster;
newNebula.SetColors(col1, col2);
newNebula.SetThrusterReference(thrusterRef);
newNebula.transform.position = ChunkCoords.GetCenterCell(c, EntityNetwork.CHUNK_SIZE);
newNebula.shouldExpand = false;
EntityGenerator.FillChunk(c, true);
}
}