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
116 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
59 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 ...
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vote
1answer
209 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
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1answer
234 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. ...
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1answer
82 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 ...
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0answers
36 views

MonoGame iOS .m4a song files load exception

On previous MonoGame iOS projects I have successfully loaded songs as raw .m4a files without using the content pipeline since .mp3 has a hefty license cost. A few days ago I updated to the latest ...
5
votes
3answers
390 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 ...
1
vote
1answer
226 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
127 views

Monogame: Unsupported Landscape Screen Orientation on iOS 8.0

Did anyone have a fix on the landscape orientation problem that monogame has or is it the iOS 8.0 that has a bug? I have visited the github of monogame and tried to compile the latest developer ...
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0answers
99 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 ...
2
votes
1answer
694 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 ...
5
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3answers
25k 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
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1answer
65 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
144 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
52 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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votes
1answer
101 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
52 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 ...
0
votes
2answers
287 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
80 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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0answers
112 views

iOS8 + SpriteKit. Does a Node Moved Via Pan Gesture Have Velocity in the Physics Simulation?

I have some SKSpriteNodes arranged in a 2D grid. Each has a physics body including mass and charge. I attach a pan gesture to the SKView and a corresponding pan handler to the SKScene. When I pan I ...
0
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1answer
157 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 ...
3
votes
4answers
16k 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 ...
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vote
1answer
167 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
1k 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 ...
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votes
4answers
410 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
59 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 ...
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1answer
167 views

What is the speed difference between cross platform HTML5 games and native mobile games? [closed]

Microsoft is advertising and promoting cross platform HTML5 game development. I am thinking of creating a simple 2D side scroller game and I am trying to decide what engine should I use for creating ...
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0answers
28 views

Intersection issue with box2d in iOS

I'm trying to use the code here http://www.iforce2d.net/b2dtut/raycasting So I can know whether a line cross a box2d object or not. It half works, in that when the line crosses the object it does ...
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0answers
238 views

iOS Workflow for Importing Animations Into XCode

I am working with an illustrator to add animation to my iOS app. She is using Adobe After Effects on the illustration side and I am using SpriteKit on the developer side. However, the specifics don't ...
0
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0answers
69 views

Securing HTTP requests to online game server

I'm pretty new at making online games. Right now I'm trying to make an iPhone game. Each player has a profile in my server. I want to avoid username/password for authentication. Currently, as it ...
16
votes
4answers
8k views

Is deferred rendering/shading possible with OpenGL ES 2.0 ?

I asked this on StackOverflow, but it might make more sense here: Has anyone implemented deferred rendering/shading under OpenGL ES 2.0? It doesn't support MRTs, so with only one color buffer, it's ...
0
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1answer
244 views

Need ideas on how to give my levels structure [closed]

I am making an iOS game for a project at school. It is going to be a tiny bit like Fruit Ninja, as in it will have different things on the screen, and when you hit them, they die, and you get points. ...
4
votes
2answers
2k views

How to implement color changing fragment shader?

I have a background of a given size and filled with a given color. I want to change it with an animation effect, starting from the center and spread out until it extends the whole background. The new ...
3
votes
1answer
327 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 ...
0
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0answers
34 views

Rectification of an image by using texture projection

I need to rectify an image with texture projection on GPU (GLSL/shaders), do you have any resources/tutorials/insights to share? I have the 3D pose of the camera that created the image and the image ...
0
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1answer
125 views

Offset a camera/render without changing perspective

I need to offset a render so that the perspective / vanishing point doesn't change. Or another way to look at it is that I need to adjust the vanishing point in my view so that instead of being at ...
1
vote
1answer
325 views

In 3D camera math, calculate what Z depth is pixel unity for a given FOV

I am working in iOS and OpenGL ES 2.0. Through trial and error I've figured out a frustum to where at a specific z depth pixels drawn are 1 to 1 with my source textures. So 1 pixel in my texture is ...
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0answers
78 views

iOS + cocos2d: how to account for sprite's position for the different device dimensions in an universal app? [duplicate]

All the questions I've seen regarding iOS universal apps (with or without cocos2d) deal with the "how to add graphics to a universal app". My question is, how does the code need to be written to ...
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vote
1answer
1k views

Run Love2D on iphone and android

I have a game developed in lua using love 2d, and now i want to run it in ios/android. Is there any porting or way available to do that. Thanks.
0
votes
1answer
257 views

Is there a size limit when using UICollectionView as tiled map for iOS game?

I'm working on a turn-based strategy game for iOS, (picture Civilization 2 as an example), and I'm considering using a UICollectionView as my game map. Each cell would be a tile, and I could use the ...
3
votes
1answer
540 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 ...
0
votes
1answer
84 views

How can I know when a player quits out of a turn from the Game Center UI?

In an iOS Game Center managed turn based game, if a player quits out of turn from the Game Center UI, then turnBasedMatchmakerViewController:playerQuitForMatch isn't called (as expected). However, the ...
0
votes
1answer
172 views

How can I ensure my Collada model fits on an iPhone screen?

Hi I am new to game development. I see many examples and tried myself like displaying triangle, cube etc. Now I am looking to render a Collada object. So I created a Collada object using Google Sketch ...
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vote
0answers
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 ...
0
votes
1answer
87 views

Can I my iOS-based editor save .plist files that my Mac game can read?

I want to make an editor on iOS which will record touch positions into a file. That file (in the .plist format) will eventually be used for positions in my Mac connect-the-dots game. Can I save one ...
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0answers
21 views

shifting turn in real time game using ios

I am trying to develop a real time game in ios but not getting how to shift turn that the users will likely to be real.I think it is not possible using php.So which will be better for that. Thank you ...
2
votes
1answer
522 views

SpriteKit - How to jump to specific position?

I'm would like to achieve something like Object A will jump to position A in parabolic way. For example: I am able to make the object jump but i do not know how to calculate to make the object jump ...
0
votes
1answer
164 views

Is this technique for stat tracking without a database workable?

If I wanted to create a chess game, for iOS, that tracked both player moves (for retracing the progression of a game and for player stats), what would be the simplest route to take? To clarify, I ...
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vote
2answers
697 views

How to detect collision on specific part of the sprite node

I have a spike and a ball is falling down, when the ball touches the top point of the spike, I want to make the ball invisible, and when it touches on the other part i.e on the sides I don't want to ...