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
288 views

problem with SCNTransaction in Scene Kit

I'm trying to move an object over a period of ten seconds from y coordinate 0 to y coordinate 10. the object is created at y coordinate 0. The problem is when the animation starts, the object pops ...
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1answer
89 views

Ortho projection of 3D points with a vector

I have 3D points and I need to make an 2D orthographic projection of them onto a plane that is defined by the origin and a normal n. The meaning of this is basically looking at the points from the top ...
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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
20 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
374 views

Sprite Kit - keeping character level with the terrain 2d endless runner

I've been trying to figure this out exhaustively for the past few days and still haven't found an answer. I have an endless runner built using swift where the character is fixed and the terrain moves ...
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2answers
298 views

Swift - How do I detect the exact point at which two “SKPhysicsBody(edgeFromPoint:” type physics bodies intersect in sprite kit

I have two physics bodies attached to two separate sprite nodes using Sprit Kit. One is a vertical line and one is a horizontal line: //sprite with horizontal physics body ...
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1answer
101 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 ...
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1answer
248 views

Is it possible to completely avoid copying image data when uploading textures to the GPU on iOS?

I am not a game developer, but I have been doing iOS software engineering for many years. I have a particular interest in graphics and animation, but the finer details are still a little foreign to ...
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1answer
178 views

Unity3D - Cancel a build process (Windows, Unity 5)

I accidently pressed build for iOS and just realized that it might take a few hours to build the project. I tried to kill the unity process in the task manager, but on next start up unity instantly ...
0
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1answer
183 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" ...
6
votes
2answers
797 views

Does SpriteKit follow the MVC pattern?

I am currently working on an iOS project called Old Frank that I have been trying to follow a MVC design pattern. The gist of it is. GameObjects(model) <- Scene(controller) -> Sprites "SpriteKit" ...
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1answer
182 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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votes
2answers
216 views

Data model design using Core Data and Spritekit

I have a entity called Item, and every item can have two or three bonuses... What would be a good model design in this situation. I can think of something like: To have many optional attributes ...
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vote
1answer
77 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
vote
1answer
59 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 ...
0
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1answer
598 views

Unity3d iOS build - where are the textures?

First time building and running my Unity3D app on my iPhone and it appears that all the textures are missing. Everything is just a solid block of whatever color I made it. When running in Unity I ...
1
vote
3answers
226 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 ...
0
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1answer
198 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
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1answer
80 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 = ...
0
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1answer
312 views

Fb.Feed dialog closes before saving

I'm having trouble with the Facebook UnitySDK when I use the FB.Feed() method for posting on user's timeline. The share dialog closes before the post is completed, Right after i press the "Post" ...
0
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1answer
168 views

Unity and Chartboost loading problems

I implemented chartboost in my ios game and locally it wors great. I can receive ads. Now my game is online but in the google analytics I get only error messages from the game, meaning the ...
0
votes
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 ...
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1answer
324 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 ...
0
votes
1answer
215 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 ...
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1answer
53 views

Porting WP8 to IOS GraphicsDevice Error (Monogame/Xamarin)

I seem to be having a problem porting to IOS. I have my game working on WP8 and Android with any major issues but when trying to run on iPhone I seem to get an error when initialising the ...
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1answer
207 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
120 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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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. ...
0
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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 ...
0
votes
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 ...
1
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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 ...
0
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1answer
110 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 ...
5
votes
1answer
376 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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0answers
228 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
338 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
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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.
4
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3answers
934 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
votes
1answer
214 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 ...
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vote
2answers
799 views

supporting multiple resolutions on mobile (cocos2d, ios)

I am looking into ios game development and the first question that comes to mind is how to support the growing number of iphone resolutions. I have seen the Unity strategy of normalized screen ...
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0answers
95 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
votes
2answers
614 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 ...
0
votes
1answer
72 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
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1answer
235 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 ...
1
vote
1answer
168 views

How can I use CCClippingNode to trim the top and bottom from a CCTableView?

I'm fairly new to Cocos2d and struggling with sizing a CCTableView. How can its height be controlled so that I have space at the top and the bottom? I'm trying to visually wrap the top and bottom of ...
1
vote
1answer
264 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
2k 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. ...
0
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1answer
111 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 ...
0
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0answers
91 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 ...
0
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1answer
204 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 ...