Ruby. gosu, a 2D game library. After getting the environment set up, watch the screen casts in sequential order to learn about each aspect of programming in Ruby, ...

High-Order Fun has a helpful guide to programming 2D platformers that walks through how to calculate basic movement, slopes, ladders, stairs, one-way platforms, moving platforms, jumping, and ...

I’ve long been interested in ways to help teach kids programming. Especially my kids, though they’re still young. I got interested in computers when my dad wrote a “guess the number” game ...

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