/**
* Called when Player switches gems
*/
void ChangeGem()
{
gemOne.GetComponent <GenericGem>().isCurrent = !gemOne.GetComponent <GenericGem>().isCurrent;
gemTwo.GetComponent <GenericGem>().isCurrent = !gemTwo.GetComponent <GenericGem>().isCurrent;
GameObject currentGem = (gemOne.GetComponent <GenericGem>().isCurrent) ? gemOne : gemTwo;
gemManager.SetCurrentGem(gemManager.GetEnum(currentGem.tag));
updateStaff(currentGem);
}
