IEnumerator GenerateSpheres()
{
Debug.Log("Generating Camera Space Spheres ...");
// Find a good sphere size
// Make sure our bounds have updated positions
CameraBoundary Bounds = GetComponent <CameraBoundary>();
Bounds.CalcPositons();
// Compute how much we move each step between spheres
float Delta = 2f * (MaxSphereSize - Overlap);
Debug.Assert(2f * (MinSphereSize - Overlap) > 1f, "Gap between spheres can become very small!");
// The sum unit offsets between nodes
Vector3 Offset = new Vector3(Delta, Delta, Delta);
Debug.Assert(Delta > 0f);
// Compute our starting and ending sphere positions
Vector3 StartSpherePos = Bounds.FrontTopLeft;
Vector3 EndSpherePos = Bounds.BackBottomRight + 0.5f * Offset;
Debug.Log("Placing Nodes from " + StartSpherePos + " to " + EndSpherePos);
// Loop through all space in the camera bounds
// and plop a sphere node down
Vector3 CurrentSpherePos = StartSpherePos;
int id = 0;
// Loop on X
for (CurrentSpherePos.x = StartSpherePos.x; // (Redundant)
CurrentSpherePos.x <= EndSpherePos.x;
CurrentSpherePos.x += Delta)
{
// Loop on Z
for (CurrentSpherePos.z = StartSpherePos.z;
CurrentSpherePos.z <= EndSpherePos.z;
CurrentSpherePos.z += Delta)
{
// Loop on Y
for (CurrentSpherePos.y = StartSpherePos.y;
CurrentSpherePos.y >= EndSpherePos.y;
CurrentSpherePos.y -= Delta) // Note the subtraction here -- we want our spheres to be connected vertically
{
id++;
// Debug.Log("Adding node " + " at " + CurrentSpherePos);
float Radius = CheckNodeSize(CurrentSpherePos, MaxSphereSize);
if (Radius != 0f)
{
CameraGraphSphereNode Node = InstantiateNode(CurrentSpherePos, id);
Node.Radius = Radius;
Spheres.Add(Node);
if (ShouldOperationYield())
{
yield return(new WaitForEndOfFrame());
}
// Compute how much we move each step between spheres
Delta = 2f * (Radius - Overlap);
}
}
}
}
Debug.Log("Created " + Spheres.Count + " Spheres");
yield return(null);
}
