Skip to content

Tag Archives: Objective-C

ARC Memory Management in iOS 5 and Cocos2d-iPhone 2.0

My rewrite of Dungeonators is crawling along at a glacial pace. Mostly because I can only work a couple of hours a week on the project. But the iOS 5 way to manage memory with ARC (automated reference counting) is making the process far less painful than it was the first time I wrote my [...]

Sprite Playground

I wrote a little Cocos2d-iPhone test app and committed the project to GitHub. (Like every dutiful hacker should.) You’re welcome to download the project and fool around with the code. My goal was to figure out how to create a composite sprite, make sure it could respond to touches, and rotate and move it round [...]

Cocos2d-iPhone Sprite Rotation to an Arbitrary Point

I had some time during the Thanksgiving weekend to work on Dungeonators. I’m hoping to get an upgrade out to the App Store soon. One thing I needed //TODO: is refactor my rather poor implementation of rotating a sprite to face another sprite. My original code worked ok, in a roundabout way, but was ugly [...]

Fraction: Does not recognize selector forward::

If you’re crazy like me you love reading really good primers on programming. Not just to learn about a particular language but to enjoy well written technical prose. (Yeah, I said I was crazy). Yesterday, I started reading Stephen Kochan’s classic Programming in Objective-C (original edition), which was published in 2003. What I like about [...]

Cocos2d Tip#3: Making Your iPhone Game Fast

My first iPhone game, that might actually make it to the App Store, is just about done. (Not done done but almost ready for testing and tweaking.) With the idea that other people beside me might actually play my game I’ve started to do a very dangerous and high risk activity: Optimization! The all the [...]