protected void UpdateVisible()
{
if (worldMap != null)
{
MapLayer heightFieldLayer = worldMap.HeightFieldLayer;
for (int z = minVisibleTile.z; z <= maxVisibleTile.z; z++)
{
for (int x = minVisibleTile.x; x < maxVisibleTile.x; x++)
{
CoordXZ tileCoord = new CoordXZ(x, z, WorldMap.tileSize);
MapTile tile = worldMap.GetTile(tileCoord);
if (tile != null)
{
ImageGridCell cell = imageGrid.GetCell(x - gridOffset.x, z - gridOffset.z);
if (cell == null)
{
cell = imageGrid.CreateCell(x - gridOffset.x, z - gridOffset.z);
}
if (cell.Image == null)
{
cell.Image = currentViewLayer.CreateThumbnail(tileCoord, worldMap.TileSize, imageGrid.CellSize);
}
}
}
}
}
}
