nicer bound check and renamed render to flush

mini-game/src/renderer/plugin.rs

@@ -159,7 +159,7 @@ fn save_buffer_to_disk(
                 .draw(&mut g13.g13)
                 .expect("G13 to be connected");
 
-            let _ = g13.g13.render();
+            let _ = g13.g13.flush();
         }
     }
 }