public void CheckGrowthThresholds()
 {
     if (growth > stage4)
     {
         plant_anit.SetInteger("Growth", 4);
         growthLvl = 4;
         audioControl.ChangeBackgroundTrack(Lvl4Music);
     }
     else if (growth > stage3)
     {
         plant_anit.SetInteger("Growth", 3);
         growthLvl = 3;
         audioControl.ChangeBackgroundTrack(Lvl3Music);
     }
     else if (growth > stage2)
     {
         plant_anit.SetInteger("Growth", 2);
         audioControl.ChangeBackgroundTrack(Lvl2Music);
     }
     else if (growth > stage1)
     {
         plant_anit.SetInteger("Growth", 1);
         growthLvl = 1;
         audioControl.ChangeBackgroundTrack(Lvl1Music);
     }
     else
     {
         audioControl.ChangeBackgroundTrack(Lvl0Music);
     }
 }