Flying portal balls now spawn a few spark effects
This has been adapted from PortalEffects from HedgeEditor.
HedgeEditor already included such effects for some reason, so they have been removed as redundant.
#include <QApplication>
#include "mainform.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
MyWindow *mainWin = new MyWindow;
mainWin->show();
return app.exec();
}