iOS is an operating system for mobile devices created by Apple Inc. It runs on the iPhone, iPad, and iPod touch.

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5
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3answers
423 views

OpenGL ES 1.1 - How to batch draw particles with different translations?

Assuming that I've combined all of my vertex data for many particles into a single array, how would I batch draw all of those particles in a manner that preserves their unique translations? Any code ...
5
votes
1answer
654 views

iOS Game Center - Quit turn-based games for previous version of app

I have a game on the iOS App Store that uses Game Center for turn-based multiplayer (GKTurnBasedMatch). I recently updated the app with a new game mode and I had to change the network protocol for ...
4
votes
5answers
2k views

Is it worth planning to be cross-platform in mobile game development?

Disclaimer: my goal is not to use cross-platform frameworks like Unity. I am currently planning a mobile game which I intend to first launch on iOS. However, I am wondering if it is better to write ...
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 ...
4
votes
2answers
351 views

Can I do iPhone game dev on iPod touch?

I do not want a mobile phone, but are there any issues I'd run into by developing games on an iPod for iPhone?
4
votes
1answer
1k views

Isometric Tile maps in Cocos2d-x

Is there an specific isometric tile map handler in cocos2d-x? I can't find any.
4
votes
1answer
380 views

Is developing for non-retina iPod Touch/iPhones still worth it for deployment?

We're a couple of guys making games for iPod Touch and iPhone. I personally have an iPhone 4 with the retina display and I'll be using this as my main test device. I have an opportunity to purchase a ...
4
votes
1answer
1k views

How do I break an image into 6 or 8 pieces of different shapes?

I am working on puzzle game, where the player can select an image from iPhone photo gallery. The selected image will save in puzzle page and after 3 second wait the selected image will be broken into ...
4
votes
1answer
6k views

Game engines that publish to android and iOS

I am about to start on a project which, at a minimum needs to go out to android and ios. Are there any game engines other then Unity which can publish to both? I fear that Unity3d might be more ...
4
votes
1answer
832 views

How to load a png file without alpha premultiplying in ios?

I am making a game in which I use the alpha value, in some cases for transparency, in others for occlusion, and for HDR in others. I'm loading the images like this (this is MonoTouch, but objective-c ...
4
votes
1answer
2k views

How to make a iOS plugin for Unity3d

I've passed last 2 days reading articles and book for understand how can i make a plugin for iOS in Unity. Basically i need just a demo for understand how it work. For now i've tried to make this ...
4
votes
1answer
357 views

What is the best way to display a cut scene?

How do we show cutscene in the game? Currently I am using images and animation upon them to show cutscenes or story. I heard from my friend that showing a video might be one of the option too. Is it a ...
4
votes
3answers
686 views

What technology would you use to communicate between an iOS game and a Lua-based AI server?

What technology would you use to communicate between a two-player,turn-based, board game (like checkers or Othello) running native on iOS, and a remote game server The remote game server is just the ...
4
votes
2answers
838 views

Legality of AngelCode's BMFont

Is it legal to use a bitmapped version of a proprietary font (such as Arial) in a commercial app? I'm using AngelCode's BMFont to generate a bitmapped version of a few various system installed fonts ...
4
votes
1answer
409 views

Are there any implemented game controls like a screen (thumb) joystick? - iOS

I'm looking for some open source game controls. Especially I'm looking for a thumb screen joystick to move a character on the screen, something like a touch circle. Are there any open source ...
4
votes
1answer
274 views

Do leaderboard sets (in Game Center) allow 500 unique leaderboards?

The Game Kit Programming Guide for iOS claims: The number of different leaderboards allowed increases to 500 leaderboards per game when leaderboard sets have been enabled...Leaderboard sets ...
4
votes
1answer
745 views

Updating games for iOS 6 and new iPhone/iPod Touch

Say I have a game that runs full-screen on iPhone 4S and older devices. The balance of the game is just right for the 480 x 320 screen and associated aspect ratio. Now I want to update my game to run ...
4
votes
1answer
2k views

Can you embed a Unity3d mobile project into an existing native mobile app?

I am creating an application for both Android and iPhone that will have a few mini games in it. I would like to create the non game section in native Android and iPhone. My question is, is it possible ...
4
votes
1answer
457 views

Mixing Javascript with C++ for mobile development?

I have a few games for the iPhone, Android, and Windows 8 that I built using native C++. This works great but is really limiting when I try to create menus and start screens. I have read about rapid ...
4
votes
1answer
761 views

Lua or C++ in Cococ2d-x

I am going to use Cocos2d-x to make a game for Android and ios, but my question is, do I use the Lua integration or only c++, I see Lua useful here because the compilation thing. Or do I use only Lua ...
4
votes
1answer
468 views

Cocos2d: Tongue effect like in Munch Time

I'm wanting to do a tongue effect for my character like the one in Munch Time( shown in pic ). The player does some action and his tongue attaches to the nearest platform. I'm thinking this is ...
4
votes
1answer
480 views

Organize a game set

I'm developing a endless running game and I'm not really sure on how to make the set. The first approach was to make a BIG set like 10240x3072 pixels so that we have a nice portion of set. After ...
4
votes
1answer
1k views

GLSL Editor and Debugger for MacOSX with ES2 support

is there a GLSL editor for the mac? I need it for iOS OpenGLES2 shader. How do you best debug shader? Regards
4
votes
0answers
402 views

How to support all iOS device screen sizes / resolutions in my game [duplicate]

I made this game. Right now the game supports all iOS devices except iPhone 5. The definition of each level of the game is kept in a plist. The creation of each level is done through a graphical ...
4
votes
2answers
555 views

How Do I Raycast for a Spherical Harmonic Shader Using the iOS GPU?

I am beginning an Spherical Harmonics shader project for an iOS app I am writing. I have begun by reading this excellent in-depth paper on the subject (PDF) - http://bit.ly/aQmax3. The paper ...
4
votes
2answers
2k views

What should I do to get my Blender models into my iOS game?

I am working on a 3D OpenGL|ES game for iPad. All the models are created in Blender. How should I go about getting my models into my game? I have the following requirements of my models: One ...
3
votes
4answers
15k views

What programming languages would be used to make an Apple App like Angry Birds or Cut the Rope? [closed]

I'm currently working in the Multimedia industry and although I'm better at design then development. I have knowledge of HTML, CSS, very basic jQuery, Actionscript. What programming Languages would ...
3
votes
1answer
2k views

Is glEnable obsolete/unneeded in OpenGL ES 2?

In an iOS app I am writing I am now culling all the GL 1 crap from my GL 2 code. Can I safely remove glEnable?
3
votes
3answers
4k views

Price for Unity on Android and iPhone?

I was looking at the Unity site, and I was a bit confused with the pricing. It says it's free, but for iOS/iOS Pro or Android/Android Pro. I need to shell out $400 minimum each. So if I want to ...
3
votes
1answer
2k views

Why do my sprites have a dark shadow/line/frame surrounding the texture?

I'm starting OpenGL with Apple's GLKit hand I'm having some trouble to get my sprites displayed properly. The Problem is that they all are surrounded with thin dark lines. The screen shot below shows ...
3
votes
4answers
563 views

Benefits of upgrading from OpenGL ES 1.1 to 2.0 on iOS

I have an animated 3D iPhone game that I first wrote using OpenGL ES 1.1 in late 2009. After many updates to the rest of the game, the OpenGL ES 1.1 code still runs fine under iOS 6, but I'm ...
3
votes
4answers
2k views

IOS OpenGl transparency performance issue

I have built a game in Unity that uses OpenGL ES 1.1 for IOS. I have a nice constant frame rate of 30 until i place a semi transparent texture over the top on my entire scene. I expect the drop in ...
3
votes
4answers
9k views

What are the pros and cons of GameSalad versus Cocos2D?

I am currently using the Cocos2D framework for creating my game but I just happened to come across GameSalad and was amazed by this video. GameSalad claims to allow you to create games without ...
3
votes
3answers
4k views

Can an iOS application have an explicit quit button?

I've heard a rumor that you cannot have an explicit quit button on your app when it goes to the Apple App Store, can anyone verify this? It seems that most applications do not have one, and there is ...
3
votes
5answers
6k views

Parse/Write JSON with Unity iOS

anybody know a tutorial or maybe can help me to develop a parser/reader for JSON compatible with Unity iOS pro? I've already tried different third part libraries but without luck (i've tried json.net, ...
3
votes
1answer
412 views

How do you incorporate cocos2d with regular iPhone UI widgets?

I want to build a sprite based game using cocos2d. I will be mostly drawing everything in code. I also want to incorporate iPhone UI widgets such as buttons and such. Can these be created to appear on ...
3
votes
1answer
108 views

Saving data across same game in multiple devices [closed]

Is there any library or something that works like iCloud but for different operating systems (Android, IOS, Windows Phone) that allow me to save game data to cloud and open the game data from another ...
3
votes
2answers
286 views

App Store free promotion

How can I make my app to be free for certain period of time? Is it ok to switch it to free and then after a day or two switch back to my original price, is it possible and where can I do it?
3
votes
2answers
406 views

Separating UI and logic in Objective-C at iOS based Games

How to separate UI and logic in Objective-C based mobile games? To develop games, I use Cocos2d library. I need a good reference to separate my UI code from game logic code.
3
votes
1answer
612 views

iOS custom memory allocator

I'm about to start writing an iOS game and I'm going to use mainly C++/C for the core gameplay logic. I really like pre-allocating everything in the game and try to avoid any dynamic allocations as ...
3
votes
2answers
1k views

What are the basics in game architecture? How do you create your game skeleton such that it doesn't stay in your way?

There must be some best practices on how you create your game architecture/skeleton. One of the best resources that I found is: http://cowboyprogramming.com/2007/01/05/evolve-your-heirachy/ My ...
3
votes
1answer
420 views

Alpha Blending performance on IOS

I've got few questions without responses about my game development, can you help me? Here is the questions: In my game when a large object appear on the screen, the GPU go to his limits, my ...
3
votes
1answer
223 views

How to setup libGDX project only for Android & iOS?

I have developed some applications on android.But now i want to learn game development in Android & iOS with libGDX. I want to only develop for Android & iPhone.I do not want a desktop ...
3
votes
2answers
103 views

using DirectX to generate a sprite sheet

I am building a site in HTML5 for my client and it must run on the iPad/iPhone (i.e. Safari on iOS). They want a 3D effect where they have a simple, yet, specific product they want to show on the ...
3
votes
4answers
333 views

What is technical specs for iOS platform for a game?

I would like to know when a contractor ask you for a technical specs for iOS platform of a game, what's the description that you should give back to him?
3
votes
1answer
562 views

Can glTexImage2D() use an already existing memory block?

Can I use glTexImage2D() and / or glTexSubImage2D() (or maybe there's some other method I don't know about) with an already existing block of memory, instead of always uploading the changed pixels? I ...
3
votes
1answer
1k views

Cocos2d animation problem, [__NSCFString rect]: unrecognized selector sent to instance

I am testing (and learning) animation in Cocos2d using a series of .png's called "splash-x.png". I am getting error and at the first sight i thought it was easy to solve but it turned out that i ...
3
votes
2answers
532 views

OpenGL ES 2.0: Enabling hi-res on iOS

I created an empty iOS project and then added a custom GLView class which is then added to AppDelegate. I have following questions: 1) How do I enable hi-res retina mode on iPhone 4? Currently I am ...
3
votes
1answer
111 views

Should “games played this week” be computed from a fixed or running time span?

I'd like to create a leaderboard that shows how many games each player has played. This works fine for the "all time" section in Game Center, since I can just submit the total number. But what I ...
3
votes
2answers
11k views

How to move gameobject with touch on Android

I'm trying to make a game where you control a character via touch on Android devices. The player will have two degrees of movement. When you touch the touch screen and move your finger, the game ...