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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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 ...
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votes
3answers
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Cross-platform, free (for commercial use) C/C++ 2d game library or rendering engine? [closed]

i need a C/C++ engine that should be really cross platform (or at least windows, android, and iphone). The 2d engine should be written in C or (better) C++, should permit the rendering of animated ...
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votes
1answer
2k views

Automated Unity iOS command line build on Mac

I am doing the iOS builds for a group of Unity (Unity3d) game developers. After pulling the latest git updates, I start up the Unity editor on my Mac and choose "Build Settings", select the iOS ...
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4answers
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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 ...
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3answers
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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 ...
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1answer
442 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
70 views

Pathfinding: longest route along tiles of same type

I'm programming a simple tile-based puzzle game, and I've gotten stuck trying to work out a pathfinding algorithm. Here's how the game is set out: The game board is (arbitrarily) 8 tiles wide by 8 ...
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1answer
1k 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 ...
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1answer
573 views

Will changing app name in iOS app store affect/reset app ranking?

I want to change the name of my app but was wondering if that would change/affect/reset the ranking it already has. Anyone know?
3
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1answer
140 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
362 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?
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2answers
574 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.
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1answer
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cocos3d versus Unity for simple IOS 3D games?

Wondering if anyone here happens to have experience in doing some simple 3D based games/apps for IOS, using cocos3d & Unity and could give some pointers....questions I have are: GENERAL 1) It ...
3
votes
1answer
750 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 ...
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1answer
129 views

Cross-platform C++/OpenGL ES development (iOS/Android) [closed]

I already have reasonable experience with C++ and OpenGL, and I have recently decided to try out mobile game development. After successfully creating a simple OpenGL ES Android app using Java, I ...
3
votes
1answer
766 views

Simulating Smartphones on PC with Unity

I want to make a game that depends on the phone orientation (changing shoot direction with tilt), however I need to test this on PC. So is there any tool I can use to simulate the orientation of the ...
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1answer
2k views

How to outline a 3D object with a cartoon style stroke? [duplicate]

How could I draw (stroke) the outline of a 3D object in a cartoon style with GLKit? I'm referring to something like this: However we can start with a simple line around the object and then try to ...
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votes
1answer
857 views

iOS: OpenGL ES 2.0 render texture with glScissor performance

I have drawn image with OpenGL and will redraw tile of its texture (non filled area). Which case will work faster? Set glViewport with full texture's rect, draw full texture and use glScissor ...
3
votes
2answers
403 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
113 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
3answers
5k views

In Unity, can I load a local (/Resources folder) website to safari on an ipad

In Unity, can I load a local (/Resources folder) website to safari on an ipad? This works fine on a Mac, opening up a wepage from my Resources folder. string path = ...
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4answers
425 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?
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1answer
762 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 ...
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1answer
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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
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1answer
564 views

Total Texture memory size iOS / OpenGL ES

My team is running into an issue where the amount of texture memory allocated via the glTexImage2D is high enough that it crashes the app ( at about 400 MB for iPhone 5). We're taking steps to ...
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2answers
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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
137 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 ...
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2answers
4k views

Dynamic libraries are not allowed on iOS but what about this?

I'm currently using LuaJIT and its FFI interface to call C functions from LUA scripts. What FFI does is to look at dynamic libraries' exported symbols and let the developer use it directly form LUA. ...
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votes
2answers
413 views

Creating new games on Android and/or iPhone

I have a succesfull Facebook poker game that is running very nicely. I was asked if I can port my game to other platforms - mainly mobile devices (phones as well as tablets, would tablets need a ...
3
votes
1answer
233 views

Unity XCode build linker error

We are trying to build a Unity game in Xcode but keep getting this error: ld: ...
3
votes
1answer
68 views

How to calculate final force vector for the SKSpriteNode

I am creating space game which has an effect similar to black hole's gravitational effect. Wherever the spaceship is going, the black hole will attract it, summing up all the vectors together. I know ...
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votes
1answer
619 views

Create a physics body with hole : bullet physics

I am writing an iOS game, using bullet for physics, blender to create models, cocos3d as the game engine. I have a model like this Basically there is a plane, with a hole, and a UVSphere. Both were ...
3
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1answer
371 views

Rotate an image and get back to its original position - opengles glkit

I need to rotate an image in opengles GLkit and get it back to its original position in GLkit. rotation += 5; _modelViewMatrix = GLKMatrix4Rotate( _modelViewMatrix, GLKMathDegreesToRadians(5), 1, 0, ...
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3answers
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MonoGame for iOS - getting started [closed]

I can't find any clear directions on how to get started. I only see a Windows installer for MonoGame but what little documentation I've found seems to say you install it on the Mac and do the work ...
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votes
2answers
2k views

Cocos2D: Upgrading from OpenGL ES 1.1 to 2.0

I have recently starting upgrading my ios game to the latest Cocos2D (2.0 rc), and I am having some difficulties upgrading my texture generation code to OpenGL 2.0. In the old version I generated ...
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1answer
2k views

How To show document directory save image in thumbnail in cocos2d class [closed]

I have just implemented multiple photo selection from iphone photo library and i am saving all selected photo in document directory every time as a array, now i want to show all saved images in my ...
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5answers
984 views

Should iOS games use a Timer?

No matter what frameworks we use -- Core Graphics, Cocos2D, OpenGL ES -- to write games, should a timer be used (for games that has animation even when a user doesn't do any input, such as after ...
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votes
2answers
419 views

How to move the object(tanker ) on slope image in chipmunk Spacemanager

I have used one polygon shape image (terrain)in my game its just like mountain and now i want to move the tanker on mountain path from one direction to other and then its turn on touching of the ...
3
votes
1answer
70 views

Sprite orbiting on a point

I was wondering how to make a Sprite do an orbit on a determinated point in SpriteKit. I tried to set the anchorPoint of the Sprite orbiting with the center point but it doesn't work. Please can ...
3
votes
1answer
161 views

How to implement 'Fog of War' in SpriteKit or Cocos2D?

Take a look at the image below from the game Warcraft 2. There's a darkened area (like a fog) that represents the limits of the 'field of view' -- to the effect that you would not see any enemy ...
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votes
2answers
1k views

Spritekit - gradually apply force vector in different direction (space ship turning)

I have a space ship that I'm applying a force vector to using a joystick for control. I would like this to smoothly fly around when I'm switching directions.. Exactly like minisquadron if you've ...
3
votes
2answers
371 views

Sprite Kit - containsPoint for SKPhysicsBody?

I have a ball bouncing around the screen. I can pick it up and drag it onto a "bucket". When my touches finish, I use the containsPoint function to check and see if I have dropped the ball onto the ...
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votes
3answers
5k views

How do I render .dae models?

I'm building a game for iOS. I'm quite new to OpenGL but what I want is to take a 3D model I have made in Google SketchUp and use it in my 3d game. The problem is I don't know how to proceed. I have ...
2
votes
5answers
3k views

Skipping glReadPixels and reading iPhone's “VRAM” directly

I'd like to rapidly capture "screenshots" of my OpenGL ES iPhone game and turn them into a video. I've tried the following approach (it works but degrades the game play to an unacceptable level): ...
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3answers
4k views

Am I allowed to release an app I developed with Xcode on windows?

I want to develop an app for the iOS app store, but don't want to invest in a mac since they start very expensive. So I considered running Xcode via VMware using OSX Lion on my windows 7 computer. ...
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4answers
1k views

Cross platform development tool/platform for the modern indie game developer?

I'm a Flash developer, but I think it's time to think of other avenues. Ideally I want to be able to write once but be able to deploy to as many different platforms as possible, so iOS AND ...
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2answers
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My game is mostly complete, how do I find a publisher?

I've been working for quite a while on a game. I'm mostly done with it. Simply finishing the project, adding banners and just publishing it on google play / appstore probably won't bring in any ...
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votes
4answers
4k views

What 2D engine can I use to port my flash game to iOS and Android? [closed]

I would like to port my 2D flash game to Android and iOS. Is there any cross platform engine you could recommend? Corona is the only promising one I have found so far.
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2answers
693 views

Map file format for Real-time strategy game

I am planing to create a 2D RTS game on iPhone using cocos2d, besides the tile map, any other suggestion for storing the map details for the game? Would be nice if a GUI editor is also provided.