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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218 views

Difference between multiple AudioUnits and one AudioGraph with a MultiChannelMixer

I'm porting my game to iOS using MonoTouch, and I'm having some trouble getting sound output to work. SystemSound/AVAudioPlayer is way too simple for my needs (I need looping and multiple simultaneous ...
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28 views

swift fast enumeration on MDLAsset not working

I load an MDLAsset from my main bundle and get an compile error when fast iterating the asset object. Type 'MDLAsset' does not conform to protocol 'SequenceType' Documentation says it does support ...
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37 views

Black bar in beetween the image when Background move infinite

I'm trying to scroll my background forever and so I'm using the background image twice. When the first one goes off screen, it should relocate to the end of the second one. However, there seems to be ...
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73 views

Symbol not found Error in Unity3d - IOS Buid in Xcode

I new to IOS build , when i try to build following error showing I using Unity 5.2.1f1 and Xcode 7.0.1(7A1001) . Previous unity version was 5.0.1 , in that version , same error was found thats ...
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44 views

Perspective correct texture mapping in iOS Metal

I tried various ways of getting the interpolation work and generate a perspective correct image, but none of the suggested ways works. My current code is: struct VertexStruct { float4 ...
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167 views

How to parse HTTP response (JSONdata) in cocos2d-x

I am making a HTTP request to a server and I am getting data from the database. Now I want to parse the JSON data and get the data into variables like this: std::vector<char> * buffer = ...
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102 views

Implement ARToolkit SDK for Augmented reality for iOS application

I am actually new to Augmented Reality and I have to make a simple augmented reality app of rendering a 3d object over camera view in iOS (Not with Unity!). I have downloaded the ARToolKit and ...
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91 views

Render cylinder tube along 3D Path

I'm working on a roller coaster game, and I have computed a function that represents the path of the track in the 3D space. Since the track will be tubular and will be dynamically generated(as opposed ...
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82 views

Turn Based Game Match Data in iOS

Hi I’m working on turn based game development using turn based API from Apple’s GameKit framework. My game is 2 player strategy game. Currently I’m facing the issue match data update on game play ...
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126 views

touch mouseOver in createjs - DispatchEvent() not working in iPhone/iOS

I have recently developed an html5 game using createjs and I am currently in the testing phase. The game seems to work fine in all the devices except for the iPhone. After careful analysis I have come ...
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97 views

Orientation of SKNode in followPath Swift

I'm developing a game like price wheel where I need to touch the correct answer. For now I find replies where people says: Set yScale of SKNode to -1. Or Set xScale of SKSpriteNode to xScale ...
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19 views

How to save characters in iOS game app

BOOL = GREENIE, UIButton =GREEN. When I click the GREEN button, I coded that now you play as GREENIE character. However, I don't know how to code it that the game always remember that the I clicked on ...
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91 views

Loading Textures in Background Cocos2d Objective C loading CCScene

I am allocating a few CCScene subclasses, but when I do this, it takes more than 10 seconds. What I am trying to achieve is to perform a small CCAmimation, such as a loading logo glowing. My question ...
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362 views

iOS OpenGLES - Multithread Game loop - Render and Update

I am trying to implementing multi-threaded game loop in iOS. (Actaully, two thread - Render and Update) This is my structure. Update Loop Has logic and at the end of loop, save update state. ...
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65 views

Building a guided tracing scene

I'm trying to figure out an approach to creating a cocos2d scene that would help kiddos learn to draw letters of the alphabet. Right now I am just using Apple’s PaintView demo code and applying an ...
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2k views

Dragging an object by touching on Android

I am trying to move and object by touching it and dragging. I am testing it on my Samsung Galaxy SIII. I have used the following code. For some reason it moves faster than my finger. It should always ...
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587 views

Unity game debugging on Xcode

This question has two parts: 1. How to get meaningful information out of Xcode crash logs? The game runs fine on the editor but when running on an iOS device it crashes and then gives information ...
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364 views

iOS cocos2d - sprite gets stuck in collision detection

I'm developing a top down game in cocos2d and I have collision code that checks collisions between enemies and the player so that they don't go through each other. The code seems to work but the ...
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327 views

How do I use Objective-C libraries in Cocos2d-x?

We've created several libraries in Objective-C in the past, and now we're moving to the Cocos2d-x game engine. We can't figure out how to reference and use those libraries (we've also tried compiling ...
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119 views

colliding btRigidBody objects behave strangely when moving slowly

I'm trying to use Bullet Physics in my iOS game. The engine appears to be correctly compiled in that the demos work fine. In my game I have the player's ship and some enemy ships. They're defined as ...
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233 views

UDK problem with kismet and unreal code interfacing

Couple of questions that I really have looked for the answer to before posting. I want to create enemies in a game (iOS - tower defense like) I am making them follow a path and do other things like ...
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8 views

Enabling VSync results in stuttering

With VSync disabled my FPS doesn't drop below 100. When I enable it my FPS sits in the 55-60 range. The issue I have is that I have fast moving platforms that move at a constant speed, so a single ...
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12 views

Unity Creating XCode build causing too many XCode Changes When using GIT ( SourceTree )

I am using Unity 5.2.1f, XCode 7.2 and SourceTree. There are multiple developers working on the same project. After we updated to Unity 5.2.1 and Xcode 7.2, it always shows too many changes in the ...
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11 views

Sharing vs App Invites - what tends to drive better distribution and engagement with Apps?

Is there any statistics out there that compare the impact of Sharing on Facebook vs sending App Invites? Which of both tends to drive better distribution and engagement with Apps? I'm developing an ...
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17 views

How to implement UIBezierPath on IOS OpenGL

I have started the OPenGL IOS application development with GLImageProcessing OpenGL ES2.0 application. I could successfully load large jpg image and changed brightness using fragment shaders. Then I ...
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53 views

How can integrate a decibel meter into my Push To Talk (PTT) game?

I have am building a Push To Talk (PTT) game and I need to integrate a decibel meter into it so that I can measure and save the decibel level and identify the peaks (spikes) and add them together. I ...
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37 views

SpriteBatch draw does not work on iOS - LibGdx

I have a small problem , in practice if I batch.draw ( ... ) ; It does not work on iOS with robovm . my code.: on the crete() method: texture = new Texture(Gdx.files.internal("background.jpg")); ...
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48 views

Endless sidescrolling skating spritekit game

I am developing an endless side scrolling game in spritekit. For parallax background scroll : - (void) update:(NSTimeInterval)currentTime { [self.children enumerateObjectsUsingBlock:^(SKNode * ...
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5 views

SpriteKit Obj-C – How to add a force on a node a certain distance according to screen size

I have an SKSpriteNode that I'm trying to throw up to a certain point on the screen. I've tried applying an impulse and/or force according to the screen size, but that has strange results. I've also ...
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29 views

setting up data exchange in game center

I just set up a game center game where 2 people can do matchmaking. Everything is working great but there are times when the movement gets laggy. Currently I'm sending data to the other player from ...
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21 views

creating a multi player card game over bluetooth

I'm a beginner in app development so sorry if my question is cheap :( I wanted to start developing a card game and i was wondering if apple allows customers to play over bluetooth or not ( on ...
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26 views

Texture not getting loaded in FBX , exported using FBX SDK

I'm working on an OpenGLES2 project (iOS) in which I have to export a scene/model in to FBX format, so that it can be opened using FBX review app. I have made up to the point where the model getting ...
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16 views

Settting a default icon for Achievements on iTunes Connect

I have looked/googled/searched on gamedev but not found an option to set Achievement icons to always be a certain graphic. On google play, this is automatic with the game's icon. I thought Game ...
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20 views

How to assign a button in the main storyboard to launch the GameViewController.swift file

I am quite new to swift and I have constructed a main menu in the main.storyboard file, how do I assign the 'Play Now' button to launch the GameViewController.swift file where I actually plan to ...
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127 views

Unity3d iOS build restarts when regaining focus from browser

I have an app made in Unity3d for android and iOS. In it, the user has the ability to link their accounts with Facebook and Twitter. For Facebook I use their Unity plugin, for Twitter, I open an ...
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46 views

SpriteKit How to Slowdown Game with RepeatForever Actions continuously running, similar to Matrix Dodging Bullets Effect?

I'm trying to slow down my _gameLayer Node by 0.5 when the player collected a slowing down timer and I want to see all the nodes inside _gameLayer is running at a much slower speed. However when I ...
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56 views

Does the LibGDX AI extension work on IOS?

Does the LibGDX AI extension work for IOS? Here it does't show how to add it to the IOS dependencies. I don't have an IOS device but I want to release my game for IOS. I just don't to finish my game ...
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20 views

SerializedPropertyBindings NullReferenceException

Using: Unity 4.6.1 Pro Visual Studio 2013 Pro, c# Team Foundation Connected to git vc Windows 7 Premium Building 2D iOS app (2D set up) Details: Periodically, this error is occurring. There ...
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30 views

Localizing Game Center hosted match based game for different regions

I have created an iOS game that uses Game Center hosted match feature ...
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25 views

Particles starting around specific shape?

I'm trying to solve a difficult UI issue with my iOS/Cocos2d game - I need a visual way of highlighting when a user has made a unique connection of the game pieces (think: a user a forms a triangle ...
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56 views

cocos2dx - Bypass body contact

I am using cocos2dx and setup two Sprites with same Physics Body definitions see below PhysicsBody *physicsBody=PhysicsBody::createBox(size,PhysicsMaterial(1.0f,0.0,0.5f),Vec2(0, size.height*0.5)); ...
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19 views

How can I shorten distributing iOS builds to our testers?

We need to have quick builds of our iOS game to deliver to our testers like several times a day but the pipeline we've found is limiting us greatly. My current pipeline to export my Unity project is: ...
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254 views

Unity3D Mobile System Fonts | Include Font Data | and Licensing

Working with type for Unity mobile apps: I'm struggling to figure out how to work with type when developing / publishing a unity mobile app. Here's my thought process, this isn't my question but if ...
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37 views

Identity for google Play Game Service (GPG) for web and ios games

How Google Play Game Services (GPG) asks for user identity in non android devices? Will it ask for user to login into a google account for every game?
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33 views

On mobile, where should I save game expansions' assets when purchased in-app?

Say you have a card game and you want to add more cards with an add-on available through in-app-purchase. Where would you save the new cards (e.g. image assets, code)? Of course you could just ...
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119 views

Unity PolygonCollider2D acts different on iOS Device

I'm instantiating new game object, then adding a SpriteRenderer component and attaching a sprite object, and only after the sprite is fully loaded, I add a PolygonCollider2D, to fit the sprite I've ...
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42 views

iOS: Texture loading when app is running in background

I have a loading screen to load textures between game screens. The loading process runs on a thread created by GCD with an OpenGL ES context. Everything works fine. Now my game is supporting ...
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87 views

Why am I getting Swift dynamic cast failed? when launching this controller from a button?

I read that this has to downcast to UIViewController but the controller is actually MapViewController.... but it fails either way. func showMap(){ let viewController:UIViewController = ...
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102 views

Show emoji colors in CCLabelTTF in Cocos2D v2.0

Is there a way to show the colors of emoji characters in a CCLabelTTF? As it stands, all my emojis appear monotoned in the color set by the CCLabelTTF. If not, is there an alternative CCLabel I should ...
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192 views

Cocos2d v3 - addChild method make performance problems

i have currently a performance problem with the addChild method in cocos2d version 3.3. My scenario is currently that i have about ten CCNode which holds a bundle of other CCNode (about 500), i called ...