Compile : Use QT creator( QT5.6 + creator3.6)
if there's any problem(no picture?), make an soft link of ./img to build folder
How to play : J to elimite red drums; k to elimite green drums;
Where's UML? go Tako/html/index.html for great code browser.
Arch : Use two timer to update graphicsitems (drums) and one to update score. Use keyPressEvent to grab J or K .
Screenshot is ./Screenshot from........... .png
enjoyit.