* turned out the no-flight zone is also a no-climb-and-progress zone * also changed it to not completely nullify velocity (otherwise cliffjumpers can get stuck in midair), just make sure dy is not negative

#include <QtGui/QApplication>
#include "mainwindow.h"

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWindow w;
    w.show();
    return a.exec();
}