In the forEach loop, start by using a conditional expression to ignore the gestures that aren’t swipes. Next, use the interactionBox to normalize the gesture’s start and end position.

When I first saw a broadcast of someone playing "Loop Hero," I thought they were playing a game from the 1980s. It's a game entirely done in a retro pixel art look, and pretty below average at that.

Could you build an online game using just HTML, CSS and JavaScript? Absolutely! And this book might just help you make that happen. The starting point of Build an HTML5 Game: A Developer’s Guide ...

Stephen Shankland Nov. 29, 2010 5:43 a.m. PT 3 min read Imran Nazar's JavaScript emulator can run 1989-era Game Boy games in a Web browser. screenshot by Stephen Shankland/CNET ...