Tag Archives: apps

Relearning Game Development

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I first started programming in 1983 (read about my programming history here).  I don’t remember what I programmed on the Ti-99/4a, but I do remember one of my first programs on the VIC-20 was flying birds program, straight from the book that came with it:vic_20_flying_birdsIt wasn’t long after that when I started making games.  Sadly, none of them have survived my various moves across the country, however my friends still remember playing the games that I made – they were pretty fun for the time.

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Corona SDK Volume Sliders

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If you are developing mobile apps with Corona SDK that use volume controls, here’s a quick tip for implementing more natural feeling controls.  Assuming that the control is a slider with values from 0 to 100, all it takes is one line of code:

volume = (math.pow(3,sliderValue/100)-1)/2

But since I really like seeing things work myself, I’ve built a very small demo project that you can download and run:
screenshot
VolumeSliders.zip

If you would like to read more on why this formula works or why it’s even needed, this page may be interesting for you: http://www.dr-lex.be/info-stuff/volumecontrols.html

Multi-language Apps with Corona SDK

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Language SelectionsI was looking at the various mobile app stores and their ability to push apps out to countries all over the world and I thought that I needed to write an app that took advantage of this worldwide distribution. My reasons for doing so were two-fold: first, it was an exercise in learning, which I’m always up for; second, I thought it may actually help increase sales in foreign countries (or at least couldn’t hurt).
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