for(final Player p: Game.getInstance().getPlayerManager().getPlayers()) {
// if it is the RealPlayer, we fill the panelRealPlayer
if(p instanceof RealPlayer) {
panelRealPlayer.buildPanel(width, height, (RealPlayer)p);
}
// else if it is an IA JPlayer we fill the panelIAPlayers with a new JPanel for each IAPlayer
else {
panelIAPlayers.buildPanel(width, height, p);