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
76 views

memorizing button tap code iOS game

I'm using a single view app in Xcode 6.1 for my game with Storyboards. Not unity or sprite kit. It's a small game not even 3MB. Anyways, I created un-lockable characters with a BOOLEAN. -(void)...
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1answer
56 views

How to make a joystick follow the touch around a starting point using atan2?

I would like to move a joystick, and be able to go beyond the limit of the circle, and the joystick should follow the angle from the touch (the touch is moving), but it should stay on the circle. It ...
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0answers
21 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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1answer
107 views

Trouble drawing repeating and scrolling screen elements from a 2d array for an endless runner in swift [closed]

I've been trying draw level segments for an iOS endless runner using 2d elements that repeat forever. I have a class that generates a random 2d array, then scene elements are drawn and animated to ...
4
votes
2answers
2k 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 ...
1
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1answer
210 views

iOS Facebook SDK, Games Start Playing post

im trying to implement a method in my native iOS game the publish a story on face book such as this photo most games that is integrated with facebook share stories like this in the activity section ...
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1answer
188 views

How to use atan2 to get the correct angle? (inside or outside angle) [duplicate]

I would like to rotate an object (white rectangle) towards another object (black rectangle). EDIT: the white rectangle (at the top) has a camera. I finally rotated the camera by 180 around the "y" ...
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1answer
245 views

Game Center Leaderboard not dismissing

I was implementing Game Center into my app and all was going well except for the leaderboard done button not dismissing the leaderboard even with gameCenterControllerDidFinish added in. I call up the ...
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1answer
196 views

CGVectorMake to move SKNode at a certain speed towards the middle of screen?

I am trying to launch my ball sprite towards the middle of the screen at the same speed every time I launch it. let vel: CGFloat = 1000 dx = size.width / 2 - ball.position.x dy = vel - size.height / ...
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1answer
214 views

Port sandbox flash game to Android and iOS

I'm want port my sandbox game to Android and iOS. Game written in AS3 (i'm use my simple 2d engine on stage3d). What do you recommend I use? Haxe + OpenFL MonoGame + Xamarin (C#), or other 2D engine ...
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1answer
82 views

In unity game appears dark exporting to ios what happened? [closed]

Everything appeared darker when I exported my game to iOS. I only updated my Unity to 4.6.3 . Any idea why?
1
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1answer
62 views

How to figure out a vector based on 2 points that add up to a certain value

I am writing a game in which I am representing a velocity with a vector. I have a starting point and a point that I want the object to move towards at a certain speed. (I need the resulting vector's x ...
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3answers
246 views

Finding neighboring coordinates on offset tile map

I have a grid of hexagonal tiles. Every other row is slightly offset for visual reasons. Imagine a player touches any tile - I need to compare the coordinate of that tile, with any tile they touch ...
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vote
1answer
346 views

Hexagonal buttons

I'm trying to create a map of touchable hexagons and the playing area would be like in Catan game. I would like to use Sprite Kit to do the job but is it cabable of doing that? Process goes like ...
-1
votes
1answer
4k views

How change the size of sprite in cocos2d?

I want to change the scale of sprite like a paper in 'Paper Toss' game. 'Paper Toss' is the game is available on the App store. I want to make a sprite like a paper and change the scale of sprite ...
0
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1answer
207 views

How to make a stereoscopic 3D Game with SDL for iOS

I was looking up google for an answer the whole night but didn't find anything. Yesterday I found some VR demos and games on the AppStore, with stereoscopig (dual rendered) screens. So you put your ...
0
votes
1answer
87 views

How can I make background elements wrap around the screen?

I'm looking to make my clouds wrap around the screen in my game (like the picture). Right now it just continues off the screen. The current movement code is: Cloud.center = CGPointMake(Cloud....
0
votes
1answer
111 views

Developing game progress screen [duplicate]

I'm developing an application for iPhone with a screen where the user will track his progress. Something like so, as seen in the Two Dots game: Currently I plan on creating this using constraints ...
4
votes
3answers
976 views

How to restore purchases made with virtual currency from the App Store? (iOS)

I want to award coins for doing thing in my app and let users purchase things with the coins that are non-consumables. I also want to let users purchase coins as IAPs. How do I keep track of what has ...
0
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1answer
2k views

Unity IOS game restart when you press the home button

Why does my unity IOS game restart when i press the home button on the device? The same game worked fine on Android device and did not restart on pressing the home button. Thanks
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0answers
105 views

Why do phone games limit turns? [duplicate]

Many phone games restrict the number of turns you can play in a given amount of time. I don't get what is the purpose of this limitation. Is it only to force the player to buy additional turns? Some ...
0
votes
1answer
232 views

How to create a line that is always connected to two Objects. (iPhone, Cocos2d)

I'm wanting to create a rope like animation effect. I don't need any kind of rope physics, all I need is a straight line connected to Object A and the other end connected to object B. Object A and B ...
4
votes
1answer
1k views

Isometric Tile maps in Cocos2d-x [closed]

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

Which gesture recognizer should I use to handle multiple simultaneous flicks?

So, if you can picture a game with little ninjas running down at you, and a bunch of shurikens at the bottom of the screen, you're picturing the set-up I'm addressing. I want the player to be able ...
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vote
1answer
125 views

Can I set a texture as the wallpaper of an iOS device?

I have a game in Unity which creates drawings. I need to have a button which sets the drawing as the wallpaper (with permission from the user of course). Is it possible?
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2answers
399 views

Multi Resolution graphic for ios 4 and ios 5 [duplicate]

I have used cocos2d-x to develop a game for iPhone 4, iPhone 4s, iPhone 5 with different screen sizes (3.5 inch and 4 inch) First, my resource are designed for iPhone 4 and iPhone 4s with 3.5 inch ...
0
votes
1answer
162 views

Handling image size based on different ios device versions (Unity2D)

This game is built using Unity 4, C#, and the 2D toolkit. In the unity game scene settings, it is set to (ios 5 tall) and I matched the Menu background dimensions with the dimensions of an ios 5 tall ...
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1answer
66 views

How can I make a flapper game that scales to multiple aspect ratios?

So I've never made a game before besides a basic 4:3 aspect ratio flapper, so bare with me. Recently I had this wild idea that I wanted to make this complected (for a 2d) game in cca. Unfortunately I'...
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1answer
1k views

model view projection multiplication order

I'm debugging a lighting problem where the camera position is effecting the diffused lighting component on my 3d model. In researching my problem I went back and am reading over all the how to ...
5
votes
1answer
386 views

Can I query the Game Center APIs from C++, without Objective-C?

I am writing a game that needs Game Center leaderboards. These however, are not very extensive leaderboards. I just need the ability to submit a score automatically when the player completes a level. ...
0
votes
1answer
112 views

Push Notification to start a scene

I was wondering whether I can use APNs in iOS to trigger an event in my game, like start a scene without user clicking the notification. Is it possible to use remote push notifications for events like ...
5
votes
3answers
607 views

Approaches for a clickable map of nations (such as a Risk game) with Spritekit

I would like to create a political map where each country is clickable by tapping but I'm not sure the best way to determine which nation was selected. Imagine Risk where each country can be ...
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1answer
233 views

Algorithm for staying “alive” forever

I am implementing a game where the player is playing(sliding) the little red rectangle and the purpose is to not hit the black rectangles and to not move out of the inner blue rectangle. The black ...
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0answers
234 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 ...
3
votes
1answer
960 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 ...
7
votes
3answers
34k 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 ...
0
votes
1answer
112 views

equivalent texture function to texture2D in OpenGL-ES?

I'm trying to figure it out how can implement the same result using texture2D. The result expected is a luminescence operation but I couldn't replicate the same functionality using texture2D for iOS. ...
2
votes
1answer
373 views

How can I position a sprite in the same spot across different screen sizes?

Taking into account the multitude of screen sizes and resolutions, is there a way I can position a sprite so it's at roughly the same spot on every iOS device? Doesn't matter if you are using ...
0
votes
1answer
62 views

iOS gaming with copyrighted characters? [closed]

Can I use animate characters in an iOS game if I do a citation in the credits. Ex Steven univers in a fighting game and I list Rebecca Sugar in the Credits or by the character bio.
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1answer
239 views

Should I design UI in raster or in vector editing software? [closed]

I am working on a IOS city builder game (more like planet builder) but that's not the case, I was making the buttons in photoshop when something hit me: "if I make raster icons in photoshop, they will ...
0
votes
1answer
77 views

How to make an object in box2d have constant velocity even after collision? [duplicate]

I have iOS game where I have a bouncing character. Everything is being handled by box2d. The problem is when the character hits a wall of another character it's velocity changes, but I don't want this....
0
votes
2answers
670 views

Execute native ios code in unity [closed]

I want to execute native iOS code in unity. For this I have added two files in /plugins/ios. ViewController.h ViewController.m Code for each file represented as under. ViewController.h @...
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vote
0answers
96 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 ...
0
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1answer
249 views

Can someone provide a practical example of decoupling game world updates from frame redraws in iOS?

Please bear with me as I've been spending some time lately trying to get a better grasp of some game dev fundamentals. My specific issue is a direct result of trying to apply what I've read about here:...
3
votes
4answers
17k 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 ...
1
vote
1answer
269 views

Can we use credit card/prepaid voucher payment systems in Android and iOS?

We already have a credit card gateway with a local bank. We also have a prepaid card voucher in the market. In our game, a user will create an account within our portal. The user will "recharge" his ...
8
votes
1answer
3k views

Using L-Systems to procedurally generate cities

I'm currently making an app that focuses a lot on procedurally generated content. So far, I've successfully implemented the procedural generation of the terrain and shape of a map using simplex noise. ...
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votes
3answers
2k views

App Store: Profitability for Game Developers

Recent days, I've been spending significant time in discovering chances of profitability of AppStore for developers. I have found many articles. Some of them are highly optimistic, while other are ...
5
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4answers
428 views

How bad would be to focus on iOS/Android development for an indie developer? [closed]

After some time developing games for others I'm thinking of moving towards my own productions. My background is 10+ years of software development, with last 2 years spent on the iOS development (...
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0answers
93 views

Using Tile Maps with cocos2d - how do I handle a large amount of images?

I am building a game where the users (players) can build their own town. There they can build houses, add furniture to the houses etc etc. Basically similar to The Sims. I am using the Tiled Map ...