public void play_ball_kick()
 {
     SoundFootball.clip = ball_kick;
     SoundFootball.Play();
 }
 public void play_fireball_shoot()
 {
     SoundFootball.clip = fireball_shoot;
     SoundFootball.Play();
 }
 public void play_ball_heading()
 {
     SoundFootball.clip = ball_heading;
     SoundFootball.Play();
 }
 public void play_fireball_burning()
 {
     SoundFootball.clip = fireball_burning;
     SoundFootball.Play();
 }