public void CreateFlowField()
{
foreach (Cell curCell in grid)
{
curCell.bestDirection = GridDirection.None;
List <Cell> curNeighbors = GetNeighborCells(curCell.gridIndex, GridDirection.AllDirections);
int bestCost = curCell.bestCost;
foreach (Cell curNeighbor in curNeighbors)
{
if (curNeighbor.bestCost < bestCost)
{
bestCost = curNeighbor.bestCost;
curCell.bestDirection = GridDirection.GetDirectionFromV2I(curNeighbor.gridIndex - curCell.gridIndex);
}
}
}
}