getLeft method
Gets the tile immediately to the west (left) of this tile.
Wraps around the world boundary if necessary. Returns the western neighbor tile
Implementation
Tile getLeft() {
int x = tileX - 1;
if (x < 0) {
x = getMaxTileNumber(zoomLevel);
}
return Tile(x, tileY, zoomLevel, indoorLevel);
}