/// <summary>
/// Adds an object to the WorldGrid.
/// </summary>
/// <param name="obj">Object to add.</param>
public void Add(WorldComponent obj)
{
try
{
Tuple <int, int> cellIndex =
GetCellFromPoint(obj.Position.ToPoint());
WorldCell cell = Cells[cellIndex.Item1][cellIndex.Item2];
cell.Add(obj);
obj.Cell = cell;
}
catch
{
}
}
/// <summary>
/// Creates a new instance of a WorldGrid.
/// </summary>
/// <param name="width">Width of world.</param>
/// <param name="height">Height of world.</param>
/// <param name="cellwidth">Width of a cell.</param>
/// <param name="cellheight">Height of a cell.</param>
public WorldGrid(int width, int height, int cellwidth, int cellheight)
{
Width = width;
Height = height;
CellWidth = cellwidth;
CellHeight = cellheight;
// Initialise grid array
Cells = new WorldCell[CellCountX][];
for (int i = 0; i < CellCountX; i++)
{
Cells[i] = new WorldCell[CellCountY];
for (int j = 0; j < CellCountY; j++)
{
Cells[i][j] = new WorldCell(this);
}
}
}
/// <summary>
/// Updates a given object within the world grid. Moving it to a new
/// cell if required.
/// </summary>
/// <param name="obj">Object to update.</param>
public void Update(WorldComponent obj)
{
try
{
Tuple <int, int> cellIndex =
GetCellFromPoint(obj.Position.ToPoint());
WorldCell cell = Cells[cellIndex.Item1][cellIndex.Item2];
if (obj.Cell != cell)
{
obj.Cell.Remove(obj);
cell.Add(obj);
obj.Cell = cell;
}
}
catch
{
}
}