//sensoradatok feltöltése a serverre
void uploadSensorDataToServer()
{
if ((lastUnwalkable.Count + lastWalkable.Count) > 0)
{
dataSent = true;
}
lastWalkable.AddRange(grid.nodesInRadius(transform.position, 0.5f));
server.uploadSensorData(lastWalkable, lastUnwalkable, this);
lastWalkable.Clear();
lastUnwalkable.Clear();
}