public void scrollEnemies() {
   for (Enemy i : enemyList) {
     i.setY(i.getY() + (int) (player1.getVelocity() * 0.3));
     i.setYPos(i.getYPos() + (int) (player1.getVelocity() * 0.3));
     i.setYMax(i.getYMax() + (int) (player1.getVelocity() * 0.3));
   }
 }