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
206 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 ...
0
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0answers
116 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 ...
18
votes
4answers
10k 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
245 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. ...
5
votes
2answers
3k 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
684 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 ...
1
vote
1answer
362 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 0,...
1
vote
1answer
535 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 ...
0
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0answers
79 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 ...
1
vote
1answer
3k 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
418 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
898 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
88 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
174 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 ...
1
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
91 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 ....
2
votes
1answer
882 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
179 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 ...
2
votes
2answers
1k 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 ...
2
votes
1answer
2k 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, ...
1
vote
1answer
442 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 ...
1
vote
1answer
2k 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 ...
2
votes
2answers
61 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
480 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
41 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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vote
2answers
392 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 ...
7
votes
1answer
1k 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 ...
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vote
4answers
435 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
votes
0answers
1k 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
530 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- ...
4
votes
1answer
591 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 ...
3
votes
2answers
2k 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 ...
1
vote
2answers
1k 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
votes
2answers
1k 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 ...
1
vote
4answers
2k 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 ...
2
votes
2answers
280 views

Give people your app for free [closed]

I was wondering how developers can give some people (like family) their paid apps for free? Or even give paid in app purchases for free. I'm not talking about the promo codes, i believe they only last ...
1
vote
1answer
1k views

Spritebuilder and CCScrollView, page indicators not showing up?

I'm using Spritebuilder to make my game, and CCScrollView usually saves me quite a bit of time. I'm trying to implement the scroll view much in the same way as the home screen on an iphone uses the ...
1
vote
2answers
199 views

Submit scores for multiple players to Game Center from one iPhone

I have a quiz game, which i would like to integrate Game Center for. This is a "local" multiplayer game with the possibility to play six players per match. Is it possible to submit scores to the Game ...
3
votes
1answer
1k views

What units does Sprite Kit use for physics?

I'm developing a simple ball game in Sprite Kit. I need to predict the ball's trajectory, so I went back to my physics book for the equations for acceleration, time, speed and space. The problem is ...
0
votes
1answer
314 views

Cocos2d-x cross platform development

I want to make a game with my friends on iOs, Android, WP operating systems. We decided to use a cocos2d-x and develop the core of the game on C++. What will be the right way of developing so that we ...
0
votes
1answer
212 views

Normal Map Issues

I'm experiencing a very strange result in my very simple normal map implementation on iOS 7 - OpenGL ES 2.0. I'm only using the bare parameters necessary and I'm also skipping on all the tangent and ...
1
vote
1answer
180 views

Why aren't subsequent glDrawArrays showing up?

I am attempting to redraw with the same arrays using glDrawArrays in a GLKView on iOS. When I comment out any two of these calls, the other draw call draws as I expect. My last hunch was that I was ...
0
votes
1answer
1k views

How to Integrate Unity with Google Play Game Services for iPhone and Android games

I want to integrate Google Play Game Services for Apple's iOS and for Android. How can I do this efficiently?
2
votes
0answers
452 views

How can I use Cinema 4D models in Android and iOS games? [closed]

How can I convert Cinema 4D animation or models to use in games for Android and iOS SDK?What kind of format is required for developing games for these platforms? If I make a dancing character, do I ...
3
votes
1answer
139 views

Should “games played this week” be computed from a fixed or running time span?

I'd like to create a leaderboard that shows how many games each player has played. This works fine for the "all time" section in Game Center, since I can just submit the total number. But what I ...
0
votes
2answers
73 views

Count number of CCNodes of a certain class on a layer

Pretty simple question. I'm working in Objective C (cocos2d) and I'm trying to count the number of a sprites of a certain class are present on the current layer being displayed. For example, I have a ...
4
votes
1answer
2k views

How to outline a 3D object with a cartoon style stroke? [duplicate]

How could I draw (stroke) the outline of a 3D object in a cartoon style with GLKit? I'm referring to something like this: However we can start with a simple line around the object and then try to ...
1
vote
1answer
102 views

Is it legal to allow users to install replacement game data containing real-world personalities?

I'm thinking of developing a game for iOS which will ship with fake sports personality data. So, for argument sake, let's say fake football player names. On OS X and Windows games like this often ...
0
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3answers
217 views

Is permission needed to use a living famous person as a character in a game?

If I wanted to sell an iphone game in which you play as a famous person, would that require permission from the famous person?
0
votes
0answers
1k views

Cross-platform ad-hoc local mobile multiplayer

I want to implement ad-hoc cross-platform (iOS, Android, and PC) device discovery for local multiplayer, like this scenario: http://www.youtube.com/watch?v=csXYZf2vGdE Multiple players, each with ...