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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3
votes
4answers
3k views

IOS OpenGl transparency performance issue

I have built a game in Unity that uses OpenGL ES 1.1 for IOS. I have a nice constant frame rate of 30 until i place a semi transparent texture over the top on my entire scene. I expect the drop in ...
1
vote
1answer
132 views

Designing a four-directional movement control

I'm developing an RPG for iOS. Currently, I plan my controls to look like this: So the user can interact with objects, people, etc. by tapping on the right side of the screen, and moves by swiping ...
0
votes
2answers
826 views

Adding gesture recognizer (or dragging) to CCSprite

I'm trying to allow a CCSprite to be dragged across the screen. I've succeeded so far by doing it on a Layer level (from this tutorial). However, this only allows ONE sprite to be dragged at a time as ...
2
votes
3answers
610 views

Let a time counter working when an app is closed?

Can we let a time counter working even if an app is closed? I would like to add a timer so that we have to wait XX seconds/minutes before a building is created in a game. I don't want to use an ...
2
votes
1answer
89 views

Display CCSprites with a delay

I am a beginner in cocos2d and I wanted to display coin CCSprites as soon as it moves off the screen with a 5 second delay. So this is what I wrote in my main gameplay layer to add 7 coins in a row: ...
1
vote
1answer
5k views

Difference between Unity Pro licenses?

What is the difference between the various Unity Pro licenses? What does Android or iOS pro give me that Unity Pro doesn't? And what is the point of getting Unity Pro if I only care about mobile ...
0
votes
0answers
92 views

License for a Breakout [duplicate]

This may not be an appropriate question for gamedev.stackexchange.com. I'd like to make a basic Breakout game with Unity. I'd also like to sell it on the Mac App Store, iOS App Store, Google's Play ...
3
votes
1answer
630 views

Create a physics body with hole : bullet physics

I am writing an iOS game, using bullet for physics, blender to create models, cocos3d as the game engine. I have a model like this Basically there is a plane, with a hole, and a UVSphere. Both were ...
0
votes
1answer
374 views

Cocos2D SpriteBatchNode vrs. SpriteFrameCache… I do not see any performance difference

I have tried using both ways... adding the .png file on the cache with SpriteFrameCache.. adding .plist with spritebatchnode adding the correspoding .png file, I didnt see any performance ...
3
votes
1answer
396 views

Rotate an image and get back to its original position - opengles glkit

I need to rotate an image in opengles GLkit and get it back to its original position in GLkit. rotation += 5; _modelViewMatrix = GLKMatrix4Rotate( _modelViewMatrix, GLKMathDegreesToRadians(5), 1, 0, ...
3
votes
1answer
621 views

Will changing app name in iOS app store affect/reset app ranking?

I want to change the name of my app but was wondering if that would change/affect/reset the ranking it already has. Anyone know?
2
votes
2answers
2k views

Tutorial to port XNA game to MonoGame on iOS? [closed]

Are there any good tutorials to convert a current XNA game to work iOS using MonoGame?
3
votes
4answers
14k views

What are the pros and cons of GameSalad versus Cocos2D?

I am currently using the Cocos2D framework for creating my game but I just happened to come across GameSalad and was amazed by this video. GameSalad claims to allow you to create games without ...
2
votes
1answer
696 views

Do I need any knowledge of Objective C to port a game to iOS using Unity3D?

I have no experience with Objective-C and I know iOS simply as a user of iphone and ipad devices. Now, I know that Unity3D can port my game to iOS without needing to know Objective C (that's what ...
5
votes
1answer
2k views

Mixing Javascript with C++ for mobile development?

I have a few games for the iPhone, Android, and Windows 8 that I built using native C++. This works great but is really limiting when I try to create menus and start screens. I have read about rapid ...
7
votes
3answers
5k views

Price for Unity on Android and iPhone?

I was looking at the Unity site, and I was a bit confused with the pricing. It says it's free, but for iOS/iOS Pro or Android/Android Pro. I need to shell out $400 minimum each. So if I want to ...
1
vote
1answer
172 views

How to store NPC movement data?

In my 2D tile-based game, I have NPCs that move around on a fixed path. I am putting the information about the NPCs in a .plist file that is loaded on startup. The thing is, I'm not sure how to format ...
0
votes
3answers
191 views

Hardcore or casual? Help me understand please

I am working on an easy casual physics puzzle on iOS for kids and thought of this question. In my honest opinion casual kids games must have simple gameplay - one tap or command for a step, several ...
3
votes
2answers
1k views

OpenGL ES 2.0: Enabling hi-res on iOS

I created an empty iOS project and then added a custom GLView class which is then added to AppDelegate. I have following questions: 1) How do I enable hi-res retina mode on iPhone 4? Currently I am ...
0
votes
1answer
439 views

ios screen design -> how to target multiple devices [duplicate]

I am writing an IOS Game, landscape only and I am having a conceptual issue with my artwork. The screens are all different sizes. Retina, non-retina as well. Non Retina ipads + ipad mini is 1024 x ...
3
votes
1answer
145 views

Saving data across same game in multiple devices [closed]

Is there any library or something that works like iCloud but for different operating systems (Android, IOS, Windows Phone) that allow me to save game data to cloud and open the game data from another ...
0
votes
1answer
57 views

Calling CCRepeaForever on CCLabelTTF Makes Label Not Show Up

I have a CCLabelTTF in the top right hand corner of the view. -(void)scrollScoreLabelAndMonkey{ scoreLabel = [CCLabelTTF labelWithString:@"0000" fontName:@"Marker Felt" fontSize:30 ]; ...
0
votes
1answer
868 views

iOS OpenGL ES 2.0 How to Billboard on Sphere and Rotate with Sphere

I have a sphere (earth) in OpenGL ES 2.0 for iOS. I also have markers that I want to place at lat/lons on the earth - but I want the markers to always face the user ( billboards ) but also move with ...
2
votes
1answer
434 views

Displaying animations during loading screens

Games like Karateka (which uses UDK) seem to be able to asynchronously load GL assets as well as display animation. The splash is incredibly short, then presumably their glView shows up. I can think ...
2
votes
1answer
2k views

Game Development at iOS, Android and PC with OpenGL ES

I'm beginning iOS apps development, and my aim is to make games to launch on App Store. But I want to know if it's possible to program a game on Xcode with OpenGL ES (C++ game logic), integrate it on ...
0
votes
1answer
182 views

Set texture of a LHSprite that is loaded from LevelHelper

How do i set the image/texture of an LHSprite that is loaded into xCode using levelHelper & spriteHelper? I am using sprite sheets. So i tried to load the image the old fashioned way using ...
5
votes
2answers
1k views

How to combine tap and long hold gesture recognizers?

I have a game in which the player moves around a sprite by tapping on various sections of the screen (left, right, up, down). So far, each tap moves the sprite one tile (I use a tile system for ...
1
vote
1answer
118 views

in an ios open gl es 2 game - is it better to use a few large texture atlas or many small textures

I'm working on new game, this time moving to more 3d objects and open gl es 2. Previous (successful) game was open gl es 1 and mostly 2d. For es 2 I'm developing my own 3d engine. My 3d artist ...
7
votes
3answers
3k views

How can I deploy a JavaScript game into the iOS app store?

Unfortunately, I don't have a Mac, so I can't develop for iOS. I understand that HTML5 apps run in the browser, but is there a way to make an HTML5 app (e.g. a JavaScript game) and get it deployed ...
0
votes
3answers
868 views

Simple iOS glDrawElements - BAD_ACCESS

You can copy paste this into the default OpenGl template created in Xcode. Why am I not seeing anything :-) It is strange as the glDrawArrays(GL_TRIANGLES, 0, 3); is working fine, but with ...
2
votes
1answer
676 views

How to create a 2D ocean effect in cocos2dx and box2d for iphone, android, windows phones

Currently my game needs a top ocean view. Can this ocean effect done using box2d? or should I dive into write my own physics (liquid/water simulation). Ideas and suggestions are welcome.
3
votes
2answers
113 views

using DirectX to generate a sprite sheet

I am building a site in HTML5 for my client and it must run on the iPad/iPhone (i.e. Safari on iOS). They want a 3D effect where they have a simple, yet, specific product they want to show on the ...
3
votes
1answer
2k views

How To show document directory save image in thumbnail in cocos2d class [closed]

I have just implemented multiple photo selection from iphone photo library and i am saving all selected photo in document directory every time as a array, now i want to show all saved images in my ...
0
votes
1answer
379 views

Develop a 2d isometric mobile game on Flash [closed]

I'm building a game on Flash that will run on web/Android/iOS. The game is 2d isometric.I heard that developing mobile apps on Flash sucks and the graphics looks just awful.It'd be quite uncomfortable ...
5
votes
1answer
3k views

GLSL Editor and Debugger for MacOSX with ES2 support

is there a GLSL editor for the mac? I need it for iOS OpenGLES2 shader. How do you best debug shader? Regards
2
votes
0answers
200 views

Looking for ios game design management document template [closed]

i am looking for ios game design/development management document template in order to break down my work flow and structure.
-3
votes
1answer
1k views

Which game engine does “Ridiculous Fishing”(iOS) use? [closed]

Does it use game engine or just c++ libs? Its UI is concise and smooth.
0
votes
1answer
2k views

Create cylinder using OpenGL-ES [closed]

I want to draw cone using OpenGL ES I have gone through many links to draw cylinder but I don't have any idea or approach to draw the cylinder. I've seen the gluCylinder function for OpenGL, but no ...
1
vote
1answer
436 views

Why do my pyramids fade black and then back to colour again [closed]

I have the following vertecies and norms GLfloat verts[36] = { -0.5, 0, 0.5, 0, 0, -0.5, 0.5, 0, 0.5, 0, 0, -0.5, 0.5, 0, 0.5, 0, 1, 0, -0.5, 0, 0.5, 0, 0, -0.5, 0, 1, 0, 0.5, 0, 0.5, -0.5, 0, ...
4
votes
1answer
7k views

Game engines that publish to android and iOS

I am about to start on a project which, at a minimum needs to go out to android and ios. Are there any game engines other then Unity which can publish to both? I fear that Unity3d might be more ...
0
votes
0answers
115 views

Make a layer over an image and adjust its co-ordinates by touch

I need to make a layer over an image and adjust the layer to fit to image and get its co-ordinates of the layer. I need to adjust the layer by touch and pinch. The sample image is as below. I need ...
7
votes
3answers
188 views

Where to show user shot's power on touch screen?

I want to show user shot power in standart way (the more user holds finger on the screen the stronger is shot) Where is the best place to show this icon on touch screen(when I use mouse it's better ...
1
vote
1answer
377 views

opengles display human face in iphone and animate it?

I need to make a human 2D face to 3D face. I used this link to load an ".obj" file and map the textures. This example is only for cube and pyramid. I loaded a human face ".obj" file. This loads the ...
1
vote
1answer
162 views

Does iOS support BC4 compressed texture?

I've been designing a new OpenGL image algorithm using BC4 textures at its core. It works well accross Windows and Mac, my main targets up to now. But today, the customer added a new requirement : it ...
1
vote
1answer
622 views

OpenGL ES screen to world coordinate

I am currently attempting to convert my screen coordinates to world coordinates, to be able to interact with objects. I am using glm and unProject to try and achieve this, so far this is my code: ...
3
votes
2answers
4k views

Repeat image on a fixed background, Cocos2D?

I'm quite new to Cocos2d, does anyone know how to create a background that would be one fixed screen (no scrolling), with a small image just repeated to the whole size of the screen - depending on ...
1
vote
3answers
3k views

Wait till all CCActions have completed

I am developing a simple cocos2d game in which I want to animate two CCSprites simultaneously, and for this purpose I simply set CCActions on respective `CCSprite's as follows. [first ...
1
vote
0answers
375 views

iOS cocos2d - sprite gets stuck in collision detection

I'm developing a top down game in cocos2d and I have collision code that checks collisions between enemies and the player so that they don't go through each other. The code seems to work but the ...
0
votes
2answers
89 views

CCSprite as an iVar

So I built my first game app, and it was a lot of fun. I'm really trying to expand on some of the ideas, but I'm running in to some serious variable scope issue. What I want to do is encapsulate a ...
5
votes
3answers
575 views

OpenGL ES 1.1 - How to batch draw particles with different translations?

Assuming that I've combined all of my vertex data for many particles into a single array, how would I batch draw all of those particles in a manner that preserves their unique translations? Any code ...