saiam@7: digraph G {
saiam@7:     compound=true;
saiam@7:     rankdir=LR;
saiam@7: 
saiam@11:     gs [label="Game State"];    
saiam@11:     client [label="Client"];
saiam@11:     server [label="Server"];
saiam@11:     physics [label="Physics"];
saiam@11:     graphics [label="Graphics"];
saiam@17: //    internet [label="Teh Internets", shape=polygon];    
saiam@11: 
saiam@7:     subgraph cluster0 {
saiam@7:         label = "Network";
saiam@7: 	{rank=source; client; server;}
saiam@7: 	client;
saiam@7: 	server;	
saiam@7: 	color = black;
saiam@7:     }
saiam@7: 
saiam@7:     subgraph cluster1 {
saiam@7:         label = "Game Engine";
saiam@55: 	{rank=min; gs; physics;}
saiam@7: 	gs;
saiam@7: 	physics;
saiam@7: 	color = black;
saiam@7:     }
saiam@7: 
saiam@7:     {rank=sink; input; graphics;}
saiam@17:  //   client->server [dir=both];
saiam@7:     client->server;
saiam@7:     server->client;
saiam@7: 
saiam@7:     gs->physics;	
saiam@17:     physics->graphics [ltail=cluster1];  
saiam@17:     input->gs [lhead=cluster1];    
saiam@17: //   client->internet [ltail=cluster0];
saiam@17: //   internet->server [lhead=cluster0];
saiam@7: 
saiam@17:     gs->server [lhead=cluster0,dir=both];
saiam@7: }