flap by tapping the space button and don't touch the floor or you will have to start again. you will also have to start again if you touch the pipes (obviously). sorry about the bad pic on the front :-( if u enjoyed pls check out my channel https://scratch.mit.edu/users/Footyplayer365/
I used a tutorial by warfame he is really good and check out his youtube channel by using the link below. https://www.youtube.com/channel/UCXJDb8HZ8Hz9HDxWL-wRvmg