public void AddNewUpgrade(FishUpgrade _upgrade)
 {
     catchChance          += _upgrade.catchChance;
     numberOfFishIncrease += _upgrade.numberOfFishIncrease;
     speedIncrease        -= _upgrade.speedIncrease;
     rareFishChance       += _upgrade.rareFishChance;
 }
 public FishUpgrade(FishUpgrade _from) : base(_from)
 {
 }