public void CreateTree(RainGridController grid, RainGridNode parent, int numRows, int numCols)
{
this.grid = grid;
this.parent = parent;
numChildren = numRows;
RainGridNode temp = null;
children = new RainGridNode[numChildren];
float tempZFloat = grid.startZ;
float tempXFloat = grid.startX;
Vector3 tempLocation;
for (int i = 0; i < numChildren; i++){
temp = (RainGridNode)ScriptableObject.CreateInstance ("RainGridNode");
if (this.parent == null)
{
//tempZFloat += grid.zStep;
// Assume this is a direct child of the root. Update z steps
tempLocation = new Vector3(location[0],location[1],tempZFloat + i*grid.xStep);
temp.Init (tempLocation);
}
else if (this.parent.parent == null)
{
//tempXFloat += grid.xStep;
// Assume this is a direct child of the root. Update z steps
tempLocation = new Vector3(tempXFloat + i*grid.xStep,location[1],location[2]);
temp.Init (tempLocation);
}
else
{
Debug.LogError ("Impossible case, this RainGridNode has no parent pointer AND no parent.parent pointer");
}
//temp.Init (location);
temp.CreateTree(grid,this,numCols,0);
children[i] = temp;
}
}
// Every MonoBehavior has a Start function which is called upon instantiation into the Scene / Hierarchy
void Start()
{
// Set class specific constants
origin = new Vector3 (0, 0, 0);
identity = Quaternion.identity;
on = onSwitch.GetComponent<Toggle> ();
intensity = IntensitySlider.GetComponent<Slider> ();
// Initialize the random number generator
// Use any integer seed value to track your procedural rainfall
seed = new Seed ();
// Initialize drop pool and living drop counter.
// Ideally numDropsAvailable will track how many drops have not been processed into rain.
// This should end up being slightly less than or equal to the current size of the Queue in any given frame.
availableDrops = new Queue<GameObject>();
numDropsAvailable = 0;
// Create the root node of the showerhead tree
root = (RainGridNode)ScriptableObject.CreateInstance("RainGridNode");
// Give it a base location Vector3 (the center point of the rain grid)
location = new Vector3 (centerX, centerY, centerZ);
root.Init (location);
// Recursively create the showerhead tree with a pointer to the following objects:
// This class, a null parent, and the dimensions of the tree.
root.CreateTree (this, null, numZSteps, numXSteps);
// Now prime the pump by adding drops to the available drops queue
StartCoroutine (PopulateDrops());
// And now start dropping them on a regular timer
StartCoroutine (StartDropping ());
// Implied: Gravity is included in the drop prefab - Rain will begin with the instantion of this script.
}
