Tag Archive for ‘Tutorial’
Quick Code: URL Encoding – mailto example
Ever notice that when you go to a website there are some strange percent sign things going on up in the address bar? Well that’s URL encoding. You are probably most familiar with %20. That’s a space. When typing out Objective-C code, if you need a URL encoded string (maybe for a GET request), there
Continue reading »Tutorial: CDAudioManager and CDSoundEngine
Intro This post came from a need for more flexibility than was offered from SimpleAudioEngine. If you are new to iOS audio, I would highly recommend you check out SimpleAudioEngine (my tutorial here). If all you need is background music and sound effects, it is perfect for you. The flexibility that I needed stemmed from
Continue reading »Quick Code: CCNode setPosition: #macro (You will love this!)
For those that love cocos2d as much as I do, you know that basically everything is a subclass of CCNode. Position is a the location in points (not pixels) of a CCNode where (0,0) is the bottom left corner of the parent object. Once you get into writing cocos2d apps, you will find that you
Continue reading »Quick Code: Starting and Stopping SpaceManager
I plan on doing a longer tutorial on SpaceManager a little bit later but for right now I wanted to post a quick bit of code that should seem rather obvious, but took me a while to figure out. Straight from the SpaceManager website: SpaceManager was designed specifically to target chipmunk for use on the
Continue reading »Fun Bugs: Adding Chipmunk to cocos2d Woes
Have you tried to add Chipmunk to a cocos2d project and received the dreaded… No such file or directory: Constraints/util.h Have you scoured the interwebs and found to relief to your compiler woes? Welcome to the solution Many places around the interwebs tell you update your User Header Search Paths to “$(SRCROOT)/libs/Chipmunk/include/chipmunk” Well this looks fine and
Continue reading »Quick Code: Link to Ratings in App Store
What’s the best way to get people that have played your app to rate your app? Put a link to your ratings page in your app of course! One method of putting a link to your ratings page in your app is to just plop it down and tell people to click it. A different
Continue reading »Quick Code: CCLabelTTF color
Tired of the same old white labels with CCLabelTTF in cocos2d? Changing the color is super simple! CCLabelTTF *label = [CCLabelTTF labelWithString:@"I love Paw Apps!" fontName:@"Marker Felt" fontSize:36.0f]; [label setPosition:ccp(200,200)]; // Notice the following three ways all do the same thing. // The color is set to Blue, Red, and then Green. // Of
Continue reading »Mobclix and cocos2d
I have been working with cocos2d for a few months now and I can tell you for a fact that the level of awesomeness is very awesome in itself. This isn’t a post strictly about cocos2d, so I’ll leave it at that, but I could sing it’s praise (which I most likely will) in many
Continue reading »GameCenter on devices older than iOS 4.1
So incase you are not aware, GameCenter is not available on iOS devices prior to iOS 4.1 (see GameCenter guide here). So this leaves us at a crossroads. If I want to use GameCenter in my app, what do I do about the devices that don’t have GameCenter available? Before we get too much further
Continue reading »Weak link to framework in Xcode 4.1
One of the difficulties in developing for any ever changing platform is compatibility with all the previous versions of the platform. As good as iOS users are at generally keeping near up to date with versions of the OS, those edge cases will kill your ratings. An example of this is GameCenter for iOS devices.
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