how can I not let a sprite come out of the edges?

how can I not let a sprite come out of the edges. Thanks in advance

how do I make a sprite fire a bullet instead?

Visit here to learn about bullets: https://sites.google.com/ed.act.edu.au/games-programming/game-elements/projectile?authuser=0

Visit this site for more great tutorials: https://sites.google.com/ed.act.edu.au/games-programming/game-elements/

Good Luck!

Thanks very much