Cocos2D is an awesome 2D iphone game engine, it’s just really really good and the code inside is nicely organized. However, to a beginner using Cocos2D it would seem that it does not work with UIKit based applications, this impression is largely Cocos2D’s fault. I recently started a new game, and my plan is to [...]
Author Archive
January 30, 2011
1
Cocos2D Forced Kerning
By admin in UncategorizedIn Cocos2D you display text, any number of ways. A popular method for displaying text is to use BitmapFont, that is – a font created in a program which outputs two files. A bitmap (say a png for example), and a plain text ‘.fnt’ file, containing information regarding where each character is in that file. [...]
Tags: categories, cocos2d, howto, obj-c-runtime
January 27, 2011
0
New Stanford course is online
By admin in UncategorizedI learned a lot by watching the original course, nothing like having someone explain in lecture form, after reading about these concepts for a while. And now it looks like, they’ve updated the course. The new instructor has a more calm style, seems like it will be good. http://itunes.apple.com/us/itunes-u/developing-apps-for-ios-sd/id395631522 This is from the first few minutes [...]
Tags: Uncategorized
October 30, 2010
0
Better NSLog – Adding function name / line number to NSLog
By admin in UncategorizedWhen tracking down a bug, the most useful way to start checking things is to NSLog something. I’m a heavy user of breakpoints and the debugger. I can’t live without it, and it’s saved me countless hours. However I usually see if i can NSLog something first perhaps the problem was an obvious one. A [...]
Tags: Uncategorized
October 26, 2010
4
The best form submission class (asi-http-request)
By admin in UncategorizedSmall but quick snippet here. Sending multi-part form with image data: NSString *imagePath = NSString *imagePath = [NSString stringWithFormat:@"%@/%@", [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject], @"junny.png"]; UIImage *image = [UIImage imageWithContentsOfFile:imagePath]; NSData * imageData = UIImageJPEGRepresentation(image, 0.75) ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:[NSURL URLWithString:http://example.com/form.php]]; [request setPostValue:@"I like brains!" forKey:@"title"]; [request setPostValue:[NSString stringWithFormat:@"%@", [NSDate date]] forKey:@"session"];l [request [...]
Tags: Uncategorized
October 14, 2010
0
Parsing Delimited String from XMLNode on iOS using GDataXMLNode
By admin in UncategorizedOften when you work with XML, you need to put a bunch of values into a node, maybe positioning information for example. The best way to do that is to create a “Delimited String”, that is “ABC|123|XYZ|987″, is delimited by the | character. Here’s how you get that back in iOS into an array, that [...]
Tags: Uncategorized
October 10, 2010
2
Reading / Creating XML in iOS
By admin in UncategorizedAs I’ve mentioned previously, this blog serves as a kind of social-bookmarker, and exist somewhat in order for me to chronologically log my learning experience with iOS programming. So not everything I post is always a how-to or a tip, but sometimes I will share something which I read that I found useful that people [...]
Tags: cross-post, howto, uikit
October 6, 2010
0
Post-A-Day #10 UIViewController’s views
By admin in Uncategorized-(void) someEventDidOccur EditOptionsViewController *anEditOptionsViewController = [modalViewControllers_ objectForKey:@"someName"]; // A little note about retain/release // views are not aware of their UIViewController // When they don’t have one, and .view is requested UIViewController will simply create a new one. // In the code below, if the order were reversed, "anEditOptionsViewController" would be dealloced // // [...]
Tags: Uncategorized
October 5, 2010
0
Post-A-Day #9 – Blocks Part 1
By admin in UncategorizedIn objective-C a Block is a type of closure. A closure, is a method that contains state information, using free variables. It binds the variables for you on the stack, so in that sense it “closes” the expression. To give an example in javascript you could call setTimeout this way: function callLater(first, second, third) { [...]
Tags: Uncategorized
October 3, 2010
1
Post-A-Day #8 – Allow superview to recieve events caught by subview.
By admin in UncategorizedI had a problem in my current project related to this, and it was a good opportunity, to learn a little bit more about how touches are handled in iOS. Enter UIResponder UIResponder is the Class any objects that which to receive events must Subclass, if they wish to receive (among other types) TouchEvents from [...]
Tags: Uncategorized