add node breaks connections for whatever reason...

src/datatypes.h

@@ -141,9 +141,9 @@ enum States {IDLE, CONFIG};
 struct AppState{
 	int width;
 	int height;
-	int grid;
-	int bpm;
-	int fps;
+	float grid;
+	float bpm;
+	float fps;
 	float speed = 16.0f;
 	int gui_selected_midi_out;
 	States state;