public void updateSharkHealth(){
        if(sharkCanTakeDamage) {
            for (int i = 0; i < sharks.size(); i++) {
                sharks.get(i).updateHealth();
                if (sharks.get(i).getDead() == true) {
                    killshark = true;
                    updateScore('a');
                    buildSharkKillTimer(1);
                    sharkTimer.start();
                }
            }
        }
        else{
            
        }
        
    }