The iPhone smartphone designed by Apple Inc. The first iPhone was introduced on January 9, 2007. The iPhone runs on the iOS platform and can download and install applications from the iTunes app store.

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3
votes
1answer
4k views

iPhone image asset recommended resolution/dpi/format

I'm learning iPhone development and a friend will be doing the graphics/animation. I'll be using cocos2d most likely (if that matters). My friend wants to get started on the graphics, and I don't ...
2
votes
1answer
3k views

Using gluLookAt to move camera in 2D iPhone game?

I'm trying to use gluLookAt to move the camera in my iPhone game, but every time I've tried to use gluLookAt my screen just goes "blank" ( grey in this case ) I'm trying to render a simple triangle ...
15
votes
7answers
4k views

What are effective marketing strategies for iPhone games?

So, long story short, some days ago I published an iPhone game, I think the game wasn't that bad tbh, and still I got only 10 sells at $0.99. Are they any publishers, sponsors, or distributors to ...
0
votes
1answer
191 views

i want to move arrow by dragging and than want to toss/throw when i give swipe event

In My Application I Have One Arrow Image With Fix Center and i Can rotate it by touch move method on same center but i also need to Toss/trow the arrow after doing some rotation with dragging or ...
3
votes
2answers
2k views

Implementing camera for 2d side scroller game?

I'm implementing a 2D side scroller for iOS (using C/C++ with OpenGL) (beat'em up style like double dragon/final fight ). My scenes are composed of one cyclical background image ( the end of the ...
2
votes
3answers
1k views

Help comparing Cocos2d and Unity3d for this project [closed]

I will not go into details, but I would like to hear your opinions about this: Essentially, my project will be a 2d game, with lots of complex levels, where some might be simple and others might be a ...
4
votes
4answers
3k views

Recommended hardware for developing ios games? [closed]

I know you have to have mac os x to use xcode and thus to develop/compile apps for the iphone. And I'm not exactly wanting to go the hackintosh way, so I'm looking at buying a used mac. What specs ...
1
vote
2answers
274 views

Games for Facebook, iPhone, Web

if I want to build a game for web, facebook, and iphone, do I need to build 3 completely different versions? I know there is a new company that is "build once, launch anywhere," but I'm asking about ...
2
votes
5answers
7k views

Best way to learn iphone game development? [closed]

I know php and some python, but not much c. Where should I start to learn iphone game development? Is there some recommended books/tutorials for beginners? I'm looking at using cocos2d but I'm open to ...
4
votes
2answers
471 views

What is the ballpark GL framerate for iPad and iPhone 4?

Does anyone the GL frame rate for iPad and iPhone 4 under the follow conditions: Unlit Non supersampled GLSL texture mapped with two textures. Single quad, 4 vertices Thanks, Doug
4
votes
1answer
397 views

Online leaderboards for iPhone games [closed]

I'd like to add an online leaderboard to my iPhone game. Upon discovering the time and effort required to create a Game Center account I started considering other options. What do you use for online ...
6
votes
1answer
1k views

iPhone point-and-click adventure game engine

I am porting an AGS game to iPhone, and was wondering what the best approach to the port would be? Is there a mature engine developed solely for the point-and-click style? Note: I have never developed ...
0
votes
2answers
905 views

opengl memory issue - quite strange

I have heard that textures consumes lot of memory but I am surprised how much.... I have 7 textures 1024 16 bit each. And while I will run my app it consumes 57MB of memory. I think that this is "a ...
6
votes
4answers
714 views

What frameworks are available for cross device 2d game development?

I'm about to embark on a 2D gaming project. Initially, I'll be targeting iPhone and Facebook, but would like to expand the rollout to include Android (and possibly Windows Phone) in a future phase. ...
2
votes
1answer
659 views

Beginner question about vertex arrays in OpenGL

Is there a special order in which vertices are entered into a vertex array? Currently I'm drawing single textures like this: glBindTexture(GL_TEXTURE_2D, texName); glVertexPointer(2, GL_FLOAT, 0, ...
1
vote
3answers
2k views

How to detect which edges of a rectange touch when they collide in iOS

I'm creating a basic "game" in iOS 4.1. The premise is simple, there is a green rectangle ("disk") that moves/bounces around the screen, and red rectangle ("bump") that is stationary. The user can ...
4
votes
1answer
659 views

Typical Method Of Building Puzzle Levels

I am designing a puzzle game for the iphone and was wondering as most puzzle games consist of the player progressing through multiple levels. You see for example Angry Birds has over 100 levels. Once ...
0
votes
2answers
759 views

How can I move an object around the screen in cocos2d?

I am trying to move the object around the screen using cocos2d. I have this code: -(void) move { CGFloat upperLimit = mWinSize.height - (mGunda.contentSize.height / 2.0); CGFloat upperLimit1 = ...
1
vote
1answer
215 views

Trouble with touch events on iPhone

I'm making a simple 2D game for iPhone. Think of the game as a ball on the screen that goes up while the user is touching the screen and falls down when the user stops touching the screen. The ball ...
8
votes
1answer
635 views

How are you handling scores that can worsen (e.g. Elo rating) in Game Center?

Currently, Game Center leaderboard scores can only change one-way (e.g. increase). This makes it impossible (I think) to deal with Elo ratings and the like. How are you getting around this in your ...
8
votes
2answers
460 views

What are the restrictions of 3g online games

I am looking into make a 3g online multiplayer game for the iphone. Multiplayer is my main focus but I have noticed all game apps require wi-fi. Dose anyone know if this is simply an issue with the ...
1
vote
2answers
609 views

What are the minimum requirements for UDK on iOS?

Infinity Blade asks for 3GS or better devices, which I'm told is because it uses OpenGL ES 2. Will every game made with the iOS version of the UDK only work with 3GS devices and up?
1
vote
2answers
1k views

UDK iOS: System Requirements confusion

Unreal Development Kit for iOS was recently released. The system requirements note that Windows is needed. Does this mean that iOS game development is possible on a PC now? I am confused since I ...
0
votes
1answer
243 views

iPhone Game - Sprites

I have made games with cocos2d for the iphone however I am looking to move on from that, is there a good direction you could suggest? If not I was planning on using what the SDK gives me, and so for ...
0
votes
3answers
750 views

Creating Level iPhone

I am thinking about a new game idea for the iPhone and presumably all the levels would have to be made programatically. So Im wondering what the best method to approach it? Say I have a game with a ...
2
votes
1answer
801 views

What resources are available for iPhone development using AS3?

I've just realeased my first game developed for the iPhone using AS3 and the iPhone Packager http://itunes.apple.com/us/app/snapshot-paintball/id407362440?mt=8&uo=4 I want to take the game to ...
20
votes
6answers
3k views

Marketing: Angry Birds - How it's done

Why do some apps, like Angry Birds, dominate the market while other cool/fun/addicting apps are never heard of? I'm trying to figure out the best marketing strategy, or best way to sell an app to ...
7
votes
5answers
1k views

How to create games with scrolling?

In games like city story or we farm how do they implement scrolling? To do scrolling using UIScrollView the EAGLView size has to be bigger. In those games EAGLView size look like more than ...
3
votes
1answer
1k views

How do you create your levels containing curved slopes in Box2d?

I have just started developing games for iPhone in Cocos2d and am currently working on a Box2D prototype. I know this is not an easy start, but I have experience in the AS3 port of the physics engine. ...
8
votes
2answers
322 views

Hardware for iPhone 2d games development

Do I need the cutting edge MacBook Pro or iMac for 2D games development? Would a iPod touch (with Wi-Fi support) do instead of a full-fledge iPhone?
4
votes
1answer
2k views

Rendering 2d sprites into a 3d world?

In opengl how do I render 2d sprites in opengl given that I have a png of the sprite? See images as an example of the effect I'd like to achieve. Also I would like to overlay weapons on the screen ...
7
votes
9answers
18k views

What platform is best for Android and iPhone development? [closed]

I've been developing non-mobile apps for linux; mainly stuff like interpreters, compilers, database engines and business apps. I've been told that if I wanted to learn how to develop iPhone/iPad ...
3
votes
1answer
708 views

Apple Game Center - Sharing Data between 2 SKUs possible or not?

Question: Is it possible to access the same leaderboards and achievements via GC from 2 versions of a game (i.e. 2 different SKUs, one for iPhone/iPod and another for iPad. Where both are actually the ...
4
votes
2answers
266 views

Should I store game settings in my game data class?

I'm working on a small-ish 2d fixed shoot 'em up for iPhone. I have a master Game object that stores lives, score, current level, etc... The game will have some other persistent attributes like ...
4
votes
3answers
1k views

Using Flash in CS5 for iOS

So now that the restrictions are lifted from the third party developer by Apple. And the new packager for iPhone for Flash in CS5 is available for download. How much efficient it can be to develop a ...
12
votes
8answers
3k views

Can we develop a game for iPhone on Windows platform?

Is it possible by any means to have a game developed for iPhone using the iPhone sdk on Windows?
4
votes
1answer
404 views

Ogre For iPhone

Do we need MAC OS for Ogre Iphone SDK? and Is there any other way for developing iphone game on windows i mean free open source SDK?
5
votes
3answers
5k views

Tracking Multiple Touches using Hash codes in Cocos2d for iPhone

How do you implement a touch hash code and reference it later? I have read about a "hash" code, but I don't understand how to use it. I want to know when two of my Sprites are touched at the same ...
4
votes
2answers
343 views

What term is used to refer to iPhone and Android games?

What do you call games developed for Android or iPhone to differentiate them from games developed for other platforms?
6
votes
3answers
1k views

multi touch on HTML5 with JavaScript?

How action game controls should be implemented so that they would work on smart phones as well? At the moment I use wasd/arrow keys and I am able to handle for example two keys down at the same time. ...
3
votes
1answer
287 views

Save File sharing over Mobile Networks

I'm looking to have people share game content, save files, or characters on a mobile game platform. That means they need to be able to upload and download from their phone, other iOS device, or ...
13
votes
16answers
6k views

Cross platform mobile game design - any options? [closed]

Are there any frameworks or projects that support cross-platform mobile game development? At the moment Titanium does cross platform development, but doesn't support high end graphics APIs, so many ...
5
votes
2answers
195 views

Game uses gamecenter in iphone - can I design a fallback for 3G and prior devices?

If I develop a game using gamecenter, does itunes connect lock me in to only supporting 3GS and above with iOS 4.0 and above, or will it still allow sales of my game on older devices (as long as I ...
4
votes
1answer
376 views

Can I start implementing Game Center in my iPhone app, without having created a new app in iTunes connect?

I'm in the process of developing a game for the iPhone and I want to add Game Center support to it. The problem, as I see it, is that I need to have named my app, created an icon and uploaded ...
5
votes
1answer
466 views

How can Apple know how an iOS game is made?

As you all know, Apple recently change the terms for app developers using 3rd dev tools. I'm wondering how could Apple know whether an app is made with a specific technology like Flash or Unity or ...
1
vote
2answers
898 views

install unity package in to iphone?

HI All, what is the steps of to install the unity package in to iphone and create a build (app file )that my client can also able to install in his iphone . Thanks, balraj.
1
vote
1answer
310 views

Ipad - actionsheet not showing all buttons in landscape mode when keyboard is present

I am developing an Ipad application. It supports both landscape and portrait mode. The app has keyboard.It also shows an action sheet with 4 buttons when required. In portrait mode it works perfectly. ...
4
votes
6answers
3k views

Any free 2D C\C++ framework that supports iPhone?

I'm looking for a C\C++ game dev framework that supports iPhone. It should have least Objective-C requirement to use it. The closest one I could find is Kanji engine. But that's not free. Other ...
4
votes
1answer
1k views

3D Model package for Mac/iOS

I am getting my 3D modeling pipeline started and a few questions have come up about modeling packages and formats: What 3D model format is easy to parse, free to use, and is usable on the iOS/Mac ...
1
vote
1answer
1k views

CATiledLayer drawing delay

I am developing an iphone app. It has following page structure, 1.List of game levels in a UITableView 2.Game page I use "UIViewAnimationTransitionFlipFromRight" between pages Game page has 3 ...