this project is not working. when MARIO variable equles "Mini", the mario sprite just couldn't go under a platform that is one tile high! Who can fix it! link: https://www.youtube.com/watch?v=zAHY5F-hkQI&list=PLy4zsTUHwGJIc90UaTKd-wpIH12FCSoLh&index=19
thanks for griffpatch's tutoriars!
