public void UpdateSpawnRate(ContentManager content)
{
// Check if the tiles at the end needs to be removed
if (layers[0][0].GetX() < -tileSize * 2)
{
List <BackgroundTile> currentLayer;
BackgroundTile newTile;
float nextX = NextTileX();
for (var layer = 0; layer < layers.Count - 1; layer++)
{
newTile = new BackgroundTile(wall, tileSize, nextX, tileSize * layer);
newTile.LoadContent(content);
currentLayer = layers[layer];
currentLayer.Add(newTile);
currentLayer.RemoveAt(0);
}
newTile = new BackgroundTile(floor, tileSize, nextX, tileSize * (layers.Count - 1));
newTile.LoadContent(content);
currentLayer = layers[layers.Count - 1];
currentLayer.Add(newTile);
currentLayer.RemoveAt(0);
}
UpdateTiles();
}
float NextTileX()
{
List <BackgroundTile> layer = layers[0];
BackgroundTile endTile = layer[layer.Count - 1];
float nextX = endTile.GetX() + tileSize;
return(nextX);
}