public void init()
{
//set neighbors
for (int i = 0; i < groundNodeList.GetLength(0); i++)
{
for (int j = 0; j < groundNodeList.GetLength(1); j++)
{
//Debug.Log ("(" + j + "," + k + ") " + groundNodeList[j,k]);
if (groundNodeList[i, j] == null)
{
continue;
}
GroundNode currentNode = groundNodeList[i, j];
if (i > 0 && groundNodeList[i - 1, j] != null)
{
currentNode.AddNeighbor(groundNodeList[i - 1, j]);
}
if (i < groundNodeList.GetLength(0) - 1 && groundNodeList[i + 1, j] != null)
{
currentNode.AddNeighbor(groundNodeList[i + 1, j]);
}
if (j > 0 && groundNodeList[i, j - 1] != null)
{
currentNode.AddNeighbor(groundNodeList[i, j - 1]);
}
if (j < groundNodeList.GetLength(1) - 1 && groundNodeList[i, j + 1] != null)
{
currentNode.AddNeighbor(groundNodeList[i, j + 1]);
}
}
} //for
}
