public void CreateTree(RiverGridController grid, RiverGridNode parent, int numRows, int numCols)
{
this.grid = grid;
this.parent = parent;
numChildren = numRows;
RiverGridNode temp = null;
children = new RiverGridNode[numChildren];
float tempZFloat = grid.startZ;
float tempYFloat = grid.startY;
Vector3 tempLocation;
for (int i = 0; i < numChildren; i++){
temp = (RiverGridNode)ScriptableObject.CreateInstance ("RiverGridNode");
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.zStep);
temp.Init (tempLocation);
}
else if (this.parent.parent == null)
{
//tempXFloat += grid.xStep;
// Assume this is a direct child of the root. Update x steps
tempLocation = new Vector3(location[0],tempYFloat + i*grid.yStep,location[2]);
temp.Init (tempLocation);
}
else
{
Debug.LogError ("Impossible case in CreateTree, this RiverGridNode 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;
InitialVelocity = origin;
// Initialize the random number generator
// Use any integer seed value to track your procedural river creation
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 = (RiverGridNode)ScriptableObject.CreateInstance("RiverGridNode");
// Give it a base location Vector3 (the center point of the river grid)
location = new Vector3 (startX, 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, numYSteps);
// Now prime the pump by adding drops to the available drops queue
StartCoroutine (PopulateDrops());
// And now start dropping them on a regular timer
dropping = StartDropping ();
StartCoroutine (dropping);
// Implied: Gravity and constant force is included in the drop prefab - River will begin with the instantion of this script.
}
public void UpdateRiverTree()
{
bool wasOn = on.isOn;
root.Kill ();
root = null;
if (wasOn == true) {
StopCoroutine (dropping);
on.isOn = false;
}
// Create the root node of the showerhead tree
root = (RiverGridNode)ScriptableObject.CreateInstance("RiverGridNode");
// Give it a base location Vector3 (the center point of the river grid)
location = new Vector3 (startX, centerY, startZ);
//Debug.LogError ("Creating riverGridNodes at center: " + location [0] + "," + location [1] + "," + location [2]);
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, numYSteps);
if (wasOn == true) {
on.isOn = true;
}
}
