This post is not Sparrow-specific, but I thought this could come in handy for any Xcode developer. Developing an application is always more or less trial and error. You write some code. You test it. You write more code. You test it. This goes on for a long while. During...

When you create a new game in Sparrow, it uses portrait mode by default. Theoretically, you could rotate the Cocoa view object that Sparrow renders into - but that’s not recommended, as it slows down rendering quite a bit. OpenGL contents should always be rendered in portrait mode on the...

Almost any game will have to display some text sooner or later. Sparrow makes it easy to do so: SPTextField *textField = [SPTextField textFieldWithWidth:300 height:100 text:@"This is some text."]; textField.fontName = @"Georgia-Bold"; textField.fontSize = 18; textField.hAlign = SPHAlignCenter; // horizontal alignment textField.vAlign = SPVAlignCenter; // vertical alignment There are quite...

When using OpenGL on the iPhone (you do when you use Sparrow), you can speed up rendering quite a bit when you group your textures in one big texture atlas. The reasons: In OpenGL, there’s always one texture active at a given moment. Whenever you change the active texture, a...

Hello everyone, my name is Holger and I am, amongst other things, responsible for the Sparrow website. In order to have a place where we can have discussions and answer your Sparrow questions, I would like to draw your attention to the new Sparrow Forum, which went online just a...

I just wanted to inform you that we added a documentation section that teaches you all you need to know to get started with Sparrow. You will learn all about the most important features of Sparrow: Display Objects Events Displaying Text Animations Extending Sparrow Dive into it here. If any...

As I wrote in the last post, we decided to write our next games in Objective C, with a framework that was designed with games in mind. This, of course, limited the choice of suitable game libraries. There are several C++ frameworks and even one that uses C# (Unity). I...