O'Reilly logo

Hello Scratch!: Learn to program by making arcade games by Sadie Ford Gabriel Ford and Melissa Ford

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 7. Using conditionals to build your fixed shooter

You’ve probably figured out by now that the way people invent new video games is to look at old video games. If a video game is a big success, other game companies try to imitate it, making small changes to the visuals or goals of the game while keeping the same mechanics. That’s what happened when Intellivision noticed the popularity of Atari’s Asteroids.

Asteroids was released in 1979 and was a huge success. The player controlled a space cannon flying in outer space that could spin around and shoot at the rocks falling around them. Intellivision made its version—Astrosmash—in 1981, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required