Questions tagged [ios]

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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1answer
96 views

How could I access game data from a dev machine at runtime from a mobile platform?

When working on a game on a mobile platform, having read/write access to game data (assets, configuration files) stored on the dev machine at runtime would enable building of tools to quickly iterate, ...
1
vote
1answer
750 views

Can't call GameCenter in my Unity game for iOS

I'm trying to integrate Game Center into my Unity 5 project and facings troubles. It seems that authentification is OK when the game starts on iOS device, a notification appears, but leaderboard ...
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1answer
425 views

ArgumentNullException Parameter name: format [closed]

I have made a simple game using Unity with Vuforia and exported for Android and iOS. It works fine on Android, but on iOS it crashed and gave the error: ...
0
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1answer
166 views

2D Soccer Goal Net

I want to make a 2D soccer game on iOS, I started with SpriteKit and got the ball physics working. Now, I could make the goal simple and static, but I'd love to make it make it elastic like a real ...
10
votes
1answer
6k 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 ...
0
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1answer
149 views

What is the more appropriate way to implement a health bar in iOS?

I'm building a game a pokemon like rpg game in iOS using Swift. I'm currently in the process of making graphics and is in the dilemma of either just using a health bar blank and dynamically changing ...
3
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3answers
2k views

How to set up a game loop for a project targeting iOS?

I'm a fellow game programmer who's done many game engines in Game Maker 8.1, Visual Studio XNA and MonoGame with C#, and one in Java Android with Eclipse. I'm very used to C# and love it plus the VS ...
3
votes
3answers
7k views

In what size should i design sprites for unity iOS? [closed]

I am developing a 2D platform game in unity.I have conceptualised the game and have to design the art assets/sprites, but the problem is at what resolution or size do i design them? If I target the ...
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2answers
2k views

Apple iOS review and interpreted code download/execution

I'm looking for some information regarding two specifics rules of the App Store Review guidelines. More specifically rules 2.7 and 2.8 : 2.7 Apps that download code in any way or form will be ...
3
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1answer
787 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 ...
4
votes
1answer
472 views

Multiple inputs for Google Cardboard on iOS and Android?

So far I am having a problem with having only a singular input mechanism (the magnetic trigger) for Google Cardboard games. Are there any other options to augment this in order to have at least two ...
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0answers
128 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' ...
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0answers
62 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 ...
5
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0answers
514 views

create ipa without RoboVM in a project libgdx [closed]

I am creating an application with libgdx , and I wish I could produce an IPA without using RoboVM , because since version 1.9 became a fee . I saw on the original documentation that you can do with ...
3
votes
1answer
360 views

Objective-C SpriteKit – How to make a circle of buttons [closed]

I have some code in a project already, but I'd like to change it up a bit. Currently, my code creates an empty node called _buttonLayer and then create some buttons ...
4
votes
2answers
2k views

Unity XCode build linker error

We are trying to build a Unity game in Xcode but keep getting this error: ld: '/Users/Pero/Documents/GitHub/MyGame/XCodeProject/Pods/GooglePlayGames/gpg-cpp-sdk/ios/gpg.framework/gpg(libgpg.a-...
4
votes
1answer
3k views

Unity apple/google ID access?

After extensive Googleing I have not come up with a way to access Apple ID's or Google ID's from unity running in respective devices. Either ID's or something else unique to the accounts logged in. I ...
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0answers
48 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 ...
1
vote
0answers
410 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 ...
1
vote
1answer
505 views

Best practice for implementing overall / weekly / daily highscores?

So I'm setting up social leaderboards and I want there to be daily weekly overall high scores. The way the scoring works is each score is tied to a user after the user logs in so the scores need to ...
4
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0answers
224 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: ...
5
votes
1answer
817 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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1answer
152 views

iOS game center game is out of sync

I've been building a game center game for iOS and it works great so far. I finally started testing the game and theres (obviously) some latency, which is causing the game to be out of sync. ...
1
vote
1answer
446 views

Can I use PARSE for creating turned based Game?

I am working on creating a Turned - Based game similar to "Draw Something". I want to replace the Game Center feature with my own server using PARSE. Replace in terms of all game logic like Match ...
1
vote
1answer
330 views

Screenshot always returning as a white image on iOS using robovm and libgdx

I am trying to take a screenshot for sharing on social media. This code works on my Desktop project, but when I use it on iOS it always shows up as a white image, I am using the standard libgdx code ...
0
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1answer
71 views

Does Apple allow customers to play 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 ...
1
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1answer
1k views

spritekit sidescroller how to move hero through the level

I am trying to learn spritekit by working my way through developing a simple side scrolling game, but I cannot find a clear answer on how to move the hero through the level. The width of my ground ...
3
votes
1answer
262 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 ...
2
votes
1answer
1k views

Collisions between sprites in SpriteKit

I'm making a game in XCode using SpriteKit. The game has a player and different types of projectiles that he has to avoid. When the player collides with the projectiles, the score changes and the ...
8
votes
1answer
3k views

How do I create a simple RPG game server? [closed]

I'm working on a Sprite Kit game. I'd like to make it a true multiplayer game, by which I mean that each person joining the game has their own camera. I've seen tutorials on multiplayer games where ...
1
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0answers
614 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: ...
3
votes
0answers
118 views

Monetize solitaire game [closed]

I recently released my first game - solitaire for ios. What the best way to monetize game? Options I have in mind: In-app purchase themes (cards, backgrounds etc...) Ads subscription (remove ads) ...
1
vote
2answers
416 views

How do I create an in-app update for a mobile game?

I'm researching how to make an in app update on mobile game. When there is a hotfix, or an update, I don't want users to have to go to Play store, or App Store to update, but rather for them to ...
1
vote
2answers
325 views

LibGDX Deployment questions

A few questions from LibGDX newbie: How do you deploy a Mac/Windows app? If Mac app, can this be deployed to Mac App Store? Do you need to pay monthly (for RoboVM) for iOS development/deployment? I ...
4
votes
3answers
324 views

How to fill in crevices on a height map

I am a very experienced iOS Developer, but I am beginning my very first foray into 3D graphics (specifically with SceneKit). I'm trying to model a planet, and I have it working with a height map ...
1
vote
0answers
531 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 ...
1
vote
0answers
507 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 ...
1
vote
1answer
44 views

How can I clearify users my controlls?

In my game I use a really simple control mechanic to control a character on screen. But my problem is that users do not understand this control. Beside a little delay problem they work this way: ...
4
votes
1answer
1k views

How can I avoid a delay with continues touch detection in swift?

I want control a character on my screen with a continuous swipe gesture. As soon as I do a swipe +x or -x my character moves ...
1
vote
0answers
108 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 ...
1
vote
1answer
2k views

Developing an iOS/Android game with the free Unity license - feasible?

I recall, when I looked up the Unity license comparison page several months ago, seeing that some iOS/Android features were disabled for the Free license. However I can't seem to find that page now, ...
0
votes
1answer
990 views

Is it possible to detect contact with every frame change when using an animation in SpriteKit?

Is it possible to detect contact with every frame change when using an animation in SpriteKit? For example, if I have two nodes of a person walking, I want to detect contact with the ground each time ...
1
vote
1answer
580 views

Cardboard on iPhone 5 doesn't render on stereo

Has anyone ran into this? I'm on Unity 5.1.1p3, Cardboard Unity Integration v0.5 (5/28/2015) and an iPhone 5 running iOS 8.3 (12F70). I made a game that uses Cardboard and on an iPhone 6 the ...
2
votes
2answers
912 views

Unity NGUI Arial Label looks different in iOS after updating Unity to 5.1.1

I am using NGUI and I have a UILabel. It uses Unity dynamic font Arial. Bold. No effects. This is how it looks in the Unity editor: And that's how I want it to look. When I build it in iOS, it looks ...
0
votes
1answer
96 views

Unity 4.6.6 iOS Build Issue

I am using unity 4.6.6 to create a Xcode build. When I create a build I am getting following error Cannot initialize return object of type 'Singleton_1_t6738 *' with an rvalue of type '...
0
votes
1answer
656 views

How to choose a SKSpriteNode randomly?

I want to choose from 4 enemies using random and present it on scene. For that purpose I've made this: ...
0
votes
1answer
250 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 ...
0
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0answers
483 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 ...
3
votes
2answers
1k views

Any way to load/execute scripts (game-logic) included in a post-release DLC (Unity3D AssetBundles) on iOS since it seems its not allowed?

We are making a game where players will be granted access to new levels every week and these new levels will probably be downloaded from our server as Unity Asset Bundles The only issue is, as ...
0
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0answers
97 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 is ...