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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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
184 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 ...
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0answers
61 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 ...
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4answers
7k 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 ...
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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. ...
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2answers
1k 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 ...
2
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1answer
251 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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0answers
33 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 ...
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1answer
97 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 ...
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1answer
281 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.
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1answer
225 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
469 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
77 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 ...
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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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0answers
1k 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
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1answer
86 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
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1answer
440 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
161 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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0answers
108 views

iTunes Connect Not Deleting Game Center Leaderboard Test Data

I was wondering if anyone has had this problem, and if they were able to rectify it: For the last few days, I've been trying to delete Game Center test data from iTunes Connect unsuccessfully. The ...
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2answers
613 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 ...
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0answers
87 views

How do I setup scoring system for my game? [closed]

I've created a simple endless game. And I want the scoring system to be something like the one in flappy bird. My aim is to publish my game to app stores in the end. How do I save/keep a high score? ...
2
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1answer
983 views

iOS Sprite Kit - Blend Mode Effect

This question builds upon the following question: How can I achieve a good fire effect with alpha blending and particles? I want to achieve the visual effect of using SKBlendModeAdd on a black layer, ...
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1answer
271 views

How should I structure my code to add enemies?

So I am currently making a 1942-style game in Sprite Kit. I've reached the point where I am finished implementing pretty much everything (movement, shooting (also recognizing a hit and exploding an ...
0
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1answer
801 views

How to get the complete width of SKSpriteNode which has many child nodes

I have a Sprite node with many 6 child nodes. Each are placed one after another in X-axis. I want to know the complete with of the Sksprite node. SKSpriteNode *array = [SKSpriteNode node]; [array ...
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0answers
86 views

Maintaining a constant magnitude of speed of a CCNode's physics-body after collision with a static body

I have two CCNode class "Baffle" and "SmashBall" with there physics bodies. Here are the PhysicsBody details of Baffle // Defining the physics body CCPhysicsBody * physicsBody = ...
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0answers
52 views

Game Center- modifying turn-based match

I was looking through Apple's programming guide for Game Center to see if it would be able to do what I would like to in my game, but I couldn't find a conclusive answer. I'm looking to make a game ...
2
votes
2answers
59 views

How can I add an impulse to specific rigid bodies at rest?

Scenario Rocks falling down a rocky slope, with a flat surface at the bottom. When they land on the surface, the rocks move slightly before coming to a rest. GLESDebugDraw shows the bright orange ...
0
votes
1answer
300 views

Unity animations in iOS

I'm an iOS developer and I'm trying to make 2d animations with Unity 4.3 + RageTools Pro + RageSpline. I want to integrate the animations into a native iOS application. In Unity I have different kind ...
-1
votes
1answer
36 views

Connect players with same phone language settings

I am working on a turn-based multiplayer game using game center. The game also use Spanish localisation. It is enabled by reading the device language settings. Now my requirement is: When i start a ...
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2answers
239 views

How can i get almost pixel perfect collision detection in a multiplayer game?

I'm currently working on a multiplayer game for iPhone. The problem i have, as with all multiplayer games, is that the other user will always see everything at a non-constant delay. The game I'm ...
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0answers
26 views

How can I fix latency problems for car game? [duplicate]

Basically I'm trying to make a online car racing game for IOS using Game Center real time multiplayer. I have setup a timer that sends data every 0.02 seconds to the other player with the current ...
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0answers
37 views

iOS: game with facebook challenges

I created a game for iPad and I want to challenge my facebook friends. I follow the iOS tutorial in "facebook dev docs", with the "Smash game", but it doesn't explain how to challenge a friend ...
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0answers
181 views

Cocos2dx InApp Purchase for ios

I am trying to integrate In App Purchases in my app made by using cocos2d x c++. I am using easyNdk Helper for In App Purchases. My In App Purchases works perfectly for my Objective C apps. But for ...
3
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1answer
3k views

difference between cocos2d-x vs cocos2d-js

I'm just moving towards native apps... A friend of mine told me to start with cocos2d, I'm good in javascript. while searching google for cocos2d, and within cocos2d-x.org i found cocos2d-x ...
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0answers
90 views

How can I port a MonoGame Windows Phone 8 game to iOS?

I downloaded the trial version of Xamarin Studio and installed it on my iMac. In addition, I installed Xcode on my iMac so that I can use the iPhone emulators in Xamarin Studio. But I don't know how ...
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0answers
69 views

Random Facebook Friends Profile Pictures

I'm thinking of a new game for iOS. It's a social game that needs a random image generator with the images of your Facebook friends. My first question is: is this even possible? My second question is: ...
7
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1answer
549 views

How do I reconfigure my GLES frame buffer after a rotation?

Note: In order to keep the question as simple as possible, I am actively changing the body of the question to reflect the current state of affairs, instead of adding stuff at the bottom. I am ...
1
vote
4answers
390 views

How to store an iOS game save file in multiple devices? (Without remote servers)

I've been developing an iOS game for iPhone. My game saves the progress as a couple of .plist documents in the device. I have come to realize that when I install a game in my iPhone, this same game ...
0
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0answers
965 views

Posting to facebook from unity3d on iOS and android

I've made a game in unity3d for iOS and android. We have our own server to manage high scores and stuff like that. We'd also like to have the possibility post high scores to facebook, and also do ...
-1
votes
1answer
408 views

in-app purchase in cocosSd-x 3.0

I am working within a team, and we're at the point of finishing our first cocos2d-x c++ application. We want to add in-app purchases. for what, we made a search for this. We found 2 solutions: 1- ...
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0answers
24 views

How exactly does app ranking work?

So I've been in the app industry for around half a year and I still don't know how exactly ranking higher for your app will help increase downloads. That sounds like a question with an obvious answer ...
4
votes
1answer
411 views

Do leaderboard sets (in Game Center) allow 500 unique leaderboards?

The Game Kit Programming Guide for iOS claims: The number of different leaderboards allowed increases to 500 leaderboards per game when leaderboard sets have been enabled...Leaderboard sets ...
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4answers
183 views

What platform should educational games target? [closed]

Should educational games target the PC or mobile market? My professional development experience has been with the PC, but I'm wondering if mobile (iOS, Android, etc.) has a better market for ...
3
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2answers
1k 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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vote
2answers
671 views

How to find collision detection side between two objects?

I am using box2D and I have two objects, one is bouncy ball and the other one is block. I'd like to find which side of the block is collided with, so I can only make the ball bounce when it hits the ...
0
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2answers
557 views

OpenGL 2.0 - How to swap buffers for color picking

I'm trying to reproduce color picking on iOS, following the technique described here: http://www.lighthouse3d.com/opengl/picking/index.php3?openglway2, with OpenGL ES 2.0. When the user touches the ...
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vote
4answers
1k views

Include Box2D libraries to a cocos2d project (iOS)

I have a problem including box2D to my cocos2d project. I've tried different ways to do it with no success. This is what I've done: I downloaded Box2D (Box2D_v2.2.1) to my project directory. Dragged ...