getBelowLeft method
Returns the tile below left
@return tile below left
Implementation
Tile getBelowLeft() {
int y = tileY + 1;
int x = tileX - 1;
if (y > getMaxTileNumber(zoomLevel)) {
y = 0;
}
if (x < 0) {
x = getMaxTileNumber(zoomLevel);
}
return Tile(x, y, zoomLevel, indoorLevel);
}