public void StartNextWave()
 {
     waveNum++;
     if (monsterWaveList.CheckEndGame(waveNum))
     {
         noMoreSpawning = true;
     }
     else
     {
         monsterList   = monsterWaveList.GetNextLevel(waveNum);
         maxDifficulty = monsterWaveList.getMaxDiff(waveNum);
     }
 }