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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89 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 ...
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2answers
45 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 ...
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3answers
90 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?
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1answer
358 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 ...
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0answers
363 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 ...
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1answer
126 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 ...
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1answer
183 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 ...
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0answers
35 views

Prismatic Joint causes a crash-Box2D(cocos2d)

tried to set up a prismatic joint, but I get this error upon run time: Assertion failed: (IsLocked() == false), function CreateBody, file ...
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1answer
83 views

Box2d stopping the movement of an object

I am in the process of making a game and I need an object to move only when the buttons are pressed. I have a method that begins the movement, and so far I am ending the movement of an object by ...
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0answers
68 views

How can i stack up tiles for Connect4 objective C? [closed]

I am trying to learn Objective C and iOS programming. And I'm trying to build a Connect Four. So Far i got this. I've been looking around and asking around but I haven't got the answer to my ...
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0answers
82 views

Is it possible to integrate 3d animated models in a chat app?

I'm trying to make a 3d model from the top left corner animate when a gui in the bottom of the phone opens a keyboard & shows a list of animation. The problem is I am a game developer & I have ...
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1answer
145 views

Particle effect in sprite

I want to create a particle effect when my player sprite collide with my star sprite. How can I add a particleSystem in the sprite and not in a image? Also, I wish if it could wait for the animation ...
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1answer
99 views

How can I develop a game for iOS? [closed]

I have a Mac arriving in the next few weeks, and plan to program a 2d game. I know a little bit of Java but nothing about Objective C. I've heard about cocos2d -- it seems good but I don't know ...
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1answer
440 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 ...
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0answers
161 views

iOS OpenGLES - Multithread Game loop - Render and Update

I am trying to implementing multi-threaded game loop in iOS. (Actaully, two thread - Render and Update) This is my structure. Update Loop Has logic and at the end of loop, save update state. ...
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1answer
331 views

Viewport Pixels trouble - Intel XDK

I'm creating a game in Intel XDK, and using their API to get the viewport width and height. These are coming back at 1122 pixels and 746 pixels, respectively. When adding my text at 150 pixels down ...
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0answers
53 views

Building a guided tracing scene

I'm trying to figure out an approach to creating a cocos2d scene that would help kiddos learn to draw letters of the alphabet. Right now I am just using Apple’s PaintView demo code and applying an ...
6
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1answer
237 views

overlapping 3d particles not blending nicely when at the same z

I'm working on a 3d particle emitter. It's going pretty good but I'm still having a problem with triangle sorting. As you can see in the photos, there are some particles that are not blending ...
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2answers
124 views

matrix to rotate a vector to a known arbitrary axis

Let's say I have a vector V (v.x,v.y,v.z) which is normalized and points somewhere in 3d space. And that I have another vector Z of (0,0,1). Knowing only these two things I'm looking for a ...
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2answers
169 views

Adding an angle variance to a 3d vector

I am converting a particle emitter from 2d to 3d. In the 2d system the original coder used a random angle variance and added it to the angle. So it would be something like: thisAngle = emitterAngle ...
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1answer
60 views

iOS UDK Kismet Compare Vectors?

I have created a control scheme identical to the UDK Jazz Jackrabbit tutorial. Everything works as it should except I would like the Left Stick to control the character rotation when the Right Stick ...
1
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1answer
223 views

How to build an iPad game without an Apple device?

I am an experienced PC/mobile app developer trying to build an iPad app but I don't have access to a physical device. I have a PC and an Android phone (whatever good that is!) The app is essentially ...
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1answer
431 views

Tower defense endless levels logic sprite kit [closed]

I am making a tower defense game for iOS using Sprite Kit. I would like for my game to support an endless number of levels, like in Bloons TD 5. What approach should I take to implement this?
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0answers
265 views

OpenGL error 0x0506 in -[CCSprite draw] 530 to run project on ios divice in cocos2d?

I am running my cocos2d program on simulator. It works fine but when I run it on device, it throws error OpenGL error 0x0506 in -[CCSprite draw] 530. In my program I want to push one scene to another ...
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1answer
434 views

Level Editor for iOS Games [closed]

What would be the best way to design "Angry Birds" - levels. I wanna develop my own Angry Birds but I don't know how I should design the levels. Is there any good tool/level editor for that? The app ...
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1answer
104 views

How set and count Angle of sprite (turret) object in portrait mode in cocos2d?

I am new in cocos2d.I follow Raywenderlich tutorial series. I wish to set turrets in below of the screen in portrait mode.when user touch that location fire bullet and turret fire position at the ...
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1answer
65 views

Fast Forward Drawing using ACEdrawingView

i am using this : https://github.com/acerbetti/ACEDrawingView i want to implemented one Functionality in which i want Fast drawing by clicking on a Button. i am drawing points on screen. i have ...
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0answers
884 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 ...
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2answers
146 views

What are the pros. and cons. of different representations a custom geometry format for a mobile based engine?

I am trying to create 3D model importer for my mobile based engine. These are what I am considering: Convert .obj file to text based structure like JSON or custom. So, basically, convert .obj ...
5
votes
1answer
121 views

portal cutoff effect

I want a 3D Mesh to come out of a flat portal. Only the part of the mesh that's coming out of the portal should be rendered, so the mesh should be cut off or sliced until it's fully outside the ...
0
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1answer
116 views

Java 2d game cross-platform compatability

I need to make a few small, simple 2d educational games primarily to help kids improve their reading. Drag & drop/matching words with pictures, spelling out words as well as maybe a scrolling ...
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1answer
68 views

Create body on a sprite (box2D)

I'm quite experimented in objective C, but now i'm tried cocos2D and his features. I need to add a body on a spritesheet (if possible on a classic 'UIImageView'), in order to detect collisions after. ...
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1answer
358 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 ...
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2answers
231 views

OpenGL ES, orthopgraphics projection and viewport

I want to make some simple 2D game on iOS to familiarize myself with OpenGL ES. I started with Ray Wenderlich tutorial (How To Create A Simple 2D iPhone Game with OpenGL ES 2.0 and GLKit). That ...
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1answer
114 views

How do I make my iOS game free for users who 'like' it on Facebook?

I've seen a game for free on iOS when the user 'likes' a page. Though it appears the promotion was run by Apple, not the developers of the game being given away. How can I make my game free for a ...
4
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1answer
305 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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1answer
124 views

Gyroscope handset (e.g. mobile phone): Method to control player using Gyroscope

I am using gyroscope data (pitch, rool) to move the player space ship. It works perfectly until you play in a standard position (e.g. sitting down). Once you start using it lying (e.g. in the bed) the ...
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2answers
203 views

Workaround for Texture2D.GetData

I’m converting a game from XNA to iOS with Monogame. In the code snippet below, smallDeform is a Texture2D on which I call the GetData method. smallDeform = ...
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1answer
494 views

Anyone know the frames per second that IOS apps run?

Anyone know the frame rate that iphones, ipads, and even android mobiles run?
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2answers
320 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 ...
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0answers
45 views

GameCenter and multiple user's data on same device

I was wondering. Is there any official guidance from Apple suggesting how to deal with multiple GameCenter users data on the same device? My current plan is to create one file for each user and a ...
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0answers
331 views

Unity game debugging on Xcode

This question has two parts: 1. How to get meaningful information out of Xcode crash logs? The game runs fine on the editor but when running on an iOS device it crashes and then gives information ...
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1answer
207 views

Why isn't this UIButton visible in Xamarin.iOS?

I'm trying to implement buttons into my game. I noticed iOS has the UIButton class, which I tried, but upon drawing it nothing is shown. The asset image is properly loaded, I've checked this. The ...
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1answer
801 views

How does Apple use App Store image banners?

I am about to publish my very first iOS game and was reading the Apple iTunes Connect guide (pages 237 till page 240). I understand that they require a PSD file of dimension 3200x600 pixels. I also ...
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3answers
507 views

Will I have copyright issues making a mobile game based on an anime?

I have been wanting to create a mobile game based on some of my favorite anime. I want to know if using character images and names from those anime (even after giving full copyright credits and ...
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2answers
319 views

Cocos2d: Moving background on update: offsett issue

working with Objective C, iOS and Cocos2d I am developing a vertical scrolling shooter game for iPhone (retina display models with 640 width x 960 height pixel resolution). My basic algorithm works ...
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1answer
156 views

Augmented reality on Mobile platform - iOS

Is there a way that we can control the iOS device camera to an extent what colors it sees, what shapes it sees ? etc I'm speaking about the ability to read information before the image is captured. ...
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1answer
146 views

How should I manage persistent score in Game Center leaderboards?

Let's say that I'm developing an iOS RPG where the player gains 1 point per monster kill. The amount of monsters killed is persistent data: it is an endless adventure, and the score keeps on growing. ...
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69 views

Beta testers - where to find them [duplicate]

I would appreciate if you could point out ways of getting Beta testers for a freemium iPad game. Where do we find beta testers?
2
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1answer
134 views

iOS Game that Runs Continuously in Background

I'm trying to understand the most logical way of creating an iOS game that runs continuously in the background. For example.. you have tower and enemy waves. The game has endless enemy waves even ...