Tagged Questions

The iPhone smartphone designed by Apple Inc. The first iPhone was introduced on January 9, 2007. The iPhone runs on the iOS platform and can download and install applications from the iTunes app store.

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2
votes
1answer
922 views

iOS game integrated with Facebook - Random game

How could I implement a random game for iOS via Facebook. I registered my game with Facebook and done everything so far... Can Facebook do such a thing? EDIT I connected my app to Facebook, I can ...
-1
votes
1answer
107 views

Location-based mobile game without data plan

I'm in the planning phases of a mobile-based game that depends heavily on tracking your location (think FourSquare). The main problem I have is storing and tracing location. If a user has a phone ...
3
votes
4answers
617 views

Benefits of upgrading from OpenGL ES 1.1 to 2.0 on iOS

I have an animated 3D iPhone game that I first wrote using OpenGL ES 1.1 in late 2009. After many updates to the rest of the game, the OpenGL ES 1.1 code still runs fine under iOS 6, but I'm ...
0
votes
2answers
733 views

Which platform (server) use for turn based card game?

My game will do next: Dealing 4 cards to every player Random player is turning over 1 card, after him another (which has seen card of previous player) and etc. On the end player with the highest ...
5
votes
3answers
439 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 ...
2
votes
3answers
362 views

Is good practice to optimize FPS even when it's above the lower limit to give illusion of movement?

I started over 50 FPS on the iPhone, but now I'm bellow 30 PFS, I've seen most iPhone games clamped to either 60 or 30 FPS, even when 24 or less would give the illusion of movement. I've concidered ...
0
votes
1answer
164 views

Server costs and back loading for mobile devices

A company approached me to design an MMO for the mobile platform and I have the perfect idea for them. My question is how much would a server for a FTP game that has both a PVE element and PVP cost? ...
2
votes
4answers
2k views

How can I make iPhone apps (games) on Windows?

I want to start making iPhone games, but sadly I'm a Windows geek.. Is there a way to make good profesional iPhone games without Xcode/owning a Mac computer? If not, what do you recommend, a Mac ...
2
votes
1answer
502 views

Bad FPS for smaller size (OpenGL ES with SDL)

If you saw my other question, well, there is still a little problem: Click here to watch on youtube Basically, the frame rate is very bad on the actual device, where for some reason the animation is ...
3
votes
4answers
359 views

What is technical specs for iOS platform for a game?

I would like to know when a contractor ask you for a technical specs for iOS platform of a game, what's the description that you should give back to him?
1
vote
0answers
111 views

The technology behind 22can's curiosity [closed]

I don't have alot of experience with mobile apps and I definitely don't know much about MMO's but I was wondering what the basic architecture of a game like that would be (understandably some don't ...
5
votes
3answers
1k views

How to protect Lua scripts in IOS game?

I'm developing an iOS game and was considering putting level info and monster info in a Lua script for ease of use. However, since I'm using Game Center for multiplayer I'm concerned users will ...
5
votes
2answers
197 views

Guitar hero clone and music

I am an indie game developer and I am doing a game similar to guitar hero. I am using tracks composed by musicians and I contacted them to sing a licensing contract. As is my first indie project I ...
0
votes
1answer
140 views

Make game for iPhone only [closed]

From the beginning of development on my game I was hoping to release it as a universal app, but the gameplay simply doesn't work as well on the iPad. Also, it was designed to work on the iPhone ...
0
votes
0answers
307 views

Cocos2d Tiled Dynamic Object Layer

I'm trying to develop a cocos2d tiled based game using a sort of 'dynamic' object layer. What I want to do is after the tiled map is loaded, the user can drag something into the map and that will ...
11
votes
2answers
580 views

$0.99 or Free with Virtual goods - Revenue Model for mobile games

I'm trying to decide between a paid game and a free to play game. Is there research on the pros and cons of each one. I would really appreciate some concrete data on this and not just opinions. This ...
1
vote
2answers
233 views

Crash due to removal of Elements like CCSprite from NSMutableArray

So, here's how it goes. I am currently working on Cocos2d game, which consists of many Obstacles. One obstacle gets added on the screen at an interval of 10 seconds like this. ObstacleSprite* ...
0
votes
1answer
149 views

Lighting get darker when texture is aplied

Im using OpenGL ES 1.1 for iPhone. I'm attempting to implement a skybox in my 3d world and started out by following one of Jeff Lamarches tutorials on creating textures. Heres the tutorial: ...
1
vote
1answer
179 views

Better way to implement iPhone Games targeting iPhone 4, 4S & 5 [closed]

iPhone 5: 4″ at 1146 x 640 resolution retina display iPhone 4, 4S: 3.5″ at 960 x 640 resolution retina display We are developing games targeting iPhone 4, 4S & 5. What graphics ...
4
votes
1answer
767 views

Updating games for iOS 6 and new iPhone/iPod Touch

Say I have a game that runs full-screen on iPhone 4S and older devices. The balance of the game is just right for the 480 x 320 screen and associated aspect ratio. Now I want to update my game to run ...
2
votes
2answers
4k views

How to check battery usage of an iPhone/Android app?

I think the title says Enough. For example Unity can generate you a report how much CPU/GPU power it's using or how fast it's going to drain device battery, but what about the applications developed ...
5
votes
1answer
675 views

iOS Game Center - Quit turn-based games for previous version of app

I have a game on the iOS App Store that uses Game Center for turn-based multiplayer (GKTurnBasedMatch). I recently updated the app with a new game mode and I had to change the network protocol for ...
0
votes
3answers
183 views

Which iPhone/iPod Hardware to Support for iPhone Game

I'm coming from a background of Android. I would like to figure out what kind of iBlah device hardware I need to support for iPhone game development; something like Android's OS distribution stats, ...
2
votes
1answer
317 views

Wheel rotation, to change velocity of vehicle

I update the velocity of my vehicle like so: [v setVelocity: ((2 * 3.14 * 100 * (wheel.getRotationValue / 360) / 30)) * gameSpeed]; // update on 60 fps this gets velocity on all frames divide by 60 ...
0
votes
2answers
198 views

Looking for feedback on design pattern for simple 2D environment

I'm working in iOS. I am trying to make a very simple 2D environment where there are some basic shapes you can drag around with your finger. These shapes should interact in various ways when dropped ...
1
vote
1answer
79 views

Issues with background coordinate configuration in objective c with runAction?

In my game I want to have two backgrounds going one after the other creating a continuous loop moving to the left. However, right now one goes, and the other does not follow it. Here's what I ...
3
votes
1answer
2k views

Correct use of VAO's in OpenGL ES2 for iOS?

I'm migrating to OpenGL ES2 for one of my iOS projects, and I'm having trouble to get any geometry to render successfully. Here's where I'm setting up the VAO rendering: void bindVAO(int ...
1
vote
2answers
285 views

Costs for developing an Iphone physics game?

I recently made a game demo inspired by a wooden board game where you drop the ball trying to make a score, is fully playable so take a look (Works best on firefox): ...
-1
votes
1answer
259 views

Tools need to for low poly model, texture making & lighting in unity3d (iOS) [closed]

I am new to unity3d, i want to create a 3d game i have a team of 3d designers and programmers. My question which software should we use for modelling, texture making and advanced lighting for mobile ...
1
vote
1answer
429 views

Cocos2d: Using single timer/scheduler for multiple sprites

want to know if is it possible to use single timer or scheduler method for multiple sprites ? Like I am now working on a game and there could be any number of sprites and i want to perform some ...
3
votes
2answers
559 views

Creating 2D waveform for Cocos2d game

I'd like to have a Waveform in my iPhone game that I am developing using Cocos2d v2.0. That's the ideal wave I'd like to achieve. A simpler wave which I would still be happy with is this one. ...
2
votes
1answer
4k views

Accelerometer to move player left and right

Please take a look on my code and help me to find problem. I used this tutorial: COCOS2D_ACCELEROMETER_MOVEMENT This works only sometime….some time not move..How can I resolve this problem? Here is ...
-1
votes
1answer
2k views

How change the size of sprite in cocos2d?

I want to change the scale of sprite like a paper in 'Paper Toss' game. 'Paper Toss' is the game is available on the App store. I want to make a sprite like a paper and change the scale of sprite ...
1
vote
1answer
564 views

How make a laser path prediction line like a “slingshot cowboy” game?

How so I make a laser path prediction line like a “slingshot cowboy” game in cocos2d or box2d and select the target like "slingshot cowboy" game.
1
vote
1answer
296 views

How do I identify a collision with a specific body?

How can I identify when the ground body collides with another b2Body? I can use b2ContactListener to be notified of collision events, but how do I tell which bodies collided?
2
votes
2answers
1k views

Best practice for image compression

Which is the best format or best technique to compress images without loss of quality for iPhone/iPad games?
-2
votes
1answer
373 views

iPhone game - saving player state data

I am developing my first app for iPhone, using C++ and some Objective C code to interface with ios sdk api. My app is obviously a game. I was wondering where to save the state of the player (in my ...
4
votes
1answer
883 views

OpenGL ES 2.0 texture distortion on large geometry

OpenGL ES 2.0 has serious precision issues with texture sampling - I've seen topics with a similar problem, but I haven't seen a real solution to this "distorted OpenGL ES 2.0 texture" problem yet. ...
2
votes
1answer
186 views

Game speed cubic growth

Is it possible, using delta in my update method to increase a game speed variable exponentially on cubic growth (the blue line below) My maths isn't great so I'm not sure how the formula would be ...
1
vote
2answers
301 views

How can I make a rectangle to an irregular shape?

I used masking for breaking an image into the below pattern. Now that it's broken into different pieces I need to make a rectangle of each piece. I need to drag the broken pieces and adjust to the ...
1
vote
1answer
148 views

Drawing texture does not work anymore with a small amount of triangles

When i draw lines, the vertices are well connected. But when i draw the texture inside the triangles, it only works with i<4 in the for loop, otherwise with i<5 for example, there is a ...
0
votes
3answers
430 views

Is it legal to use the name of an existing game?

I'm planning on creating an iPhone game titled "Guess Who!". I know there is already a board game with the same title (linked here) so I'm wondering it is legal for me to use this title for my game. ...
3
votes
3answers
474 views

Android / IPhone / Desktop C++ Game Template

I was wondering if anyone has come across any articles detailing how to set up a basic game in C++ for use in Android / IPhone / Desktop applications. My thoughts just now are that I would like to ...
3
votes
1answer
85 views

How can I track the frame rate on a mobile device?

I am trying to track the frame rate when performaing certain actions on my mobile device. Scenario: I open my game via the device browser and run through specific actions. Preferably would like the ...
2
votes
5answers
2k views

Cocos 2D - Hold down CCMenuItem

I am using the following code to move a CCSprite left and right. -(id)init{ CCMenuItemImage * moveLeftButton = [CCMenuItemImage itemFromNormalImage:@"Move Left Button.png" selectedImage:@"Move ...
0
votes
2answers
4k views

What fluid simulation system is used in iPhone games? [closed]

Does anybody know what kind of system developers are using for fluid simulation in iPhone games? It doesn't seem like they're using a Navier-Strokes simulation to me.
3
votes
1answer
448 views

Smoothing rotation

I've spent the last three days trying to work out how to rotate a sprite smoothly depending on the velocity.x value of the sprite. I'm using this: float Proportion = 9.5; float maxDiff = 200; float ...
0
votes
1answer
354 views

Extra fire simulation on iPad device

I have with me an iOS app for iPad which creates a few fire simulations over a png.Well,its working well exactly how we wanted it but when we are testing it on a device,we get an extra fire ...
0
votes
1answer
220 views

Rotation based on x coordinate and x velocity?

-(void) accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration { float deceleration = 0.3f, sensitivity = 8.0f, maxVelocity = 150; // adjust velocity based on ...
2
votes
4answers
2k views

Different iPhone screen resolutions and game graphics

We are developing a 2D game for iPhone using cocos2d-x. The artists are drawing the raster graphic for a resoluion of 640x960. For older iPhone devices, those that have a resolution of 320x480, should ...