private void soundBump() {
   // we check if the sound should be replayed
   if (bumpWallPlayed || bumpTopPlayed) {
     // if the x position has really changed (3 pixels) and the player is
     // no more facing to wall (useful to avoid problem with pushing
     // crates), the bump can again be played
     if (((Globals.player.getX() - bumpWallX) > 3 || (Globals.player.getX() - bumpWallX) < -3)
         && !Globals.player.isTotallyFacingToWall()) {
       bumpWallPlayed = false;
     }
     if (((Globals.player.getY() - bumpTopY) > 3
         || (Globals.player.getY() - bumpTopY) < -3
         || (Globals.player.getX() - bumpTopX) > 3
         || (Globals.player.getX() - bumpTopX) < -3)) {
       bumpTopPlayed = false;
     }
   }
   // If the player is facing to a wall
   if (Globals.player.isFacingToWall()) {
     // to have the sound from the right or the left depending on the
     // position of the wall and the player
     int decal = 0;
     if (Globals.player.facingRight()) decal = 1;
     else decal = -1;
     // If the sound should be replayed, it will
     if (!bumpWallPlayed) {
       soundBump.playAt(
           1.5f,
           5f,
           Globals.player.getX() - Globals.player.getWidth() / 2 + decal,
           Globals.player.getY() - Globals.player.getHeight() / 2,
           0.0f);
       bumpWallPlayed = true;
       bumpWallX = Globals.player.getX();
     } else {
       soundBump.setSourcePosition(
           Globals.player.getX() - Globals.player.getWidth() / 2 + decal,
           Globals.player.getY() - Globals.player.getHeight() / 2,
           0.0f);
     }
   }
   // If the player is knocking his head somewhere when jumping
   else if (Globals.player.isTopCollided() && Globals.player.jumping()) {
     // If the sound should be replayed, it will
     if (!bumpTopPlayed) {
       soundBump.playAt(
           1.5f,
           1f,
           Globals.player.getX() - Globals.player.getWidth() / 2,
           Globals.player.getY() - Globals.player.getHeight() / 2,
           0.0f);
       bumpTopPlayed = true;
       bumpTopX = Globals.player.getX();
       bumpTopY = Globals.player.getY();
     }
   }
 }