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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15
votes
3answers
6k views

How would I implement an endless road the player runs down?

I want to create the illusion that a man is running down a long road i.e. this pic http://camlinecambridgelimited.web.officelive.com/images/road%20graphic1.jpg If you have played Temple Run on the ...
10
votes
3answers
6k views

How to achieve uniform speed of movement on a bezier curve?

I'm trying to move an image along Bezier curve. This is how I do it: - (void)startFly { [self runAction:[CCSequence actions: [CCBezierBy actionWithDuration:timeFlying bezier:[self ...
7
votes
2answers
3k views

What do you use to support multiplayer turn-based network game for iOS and Android games?

If I'm doing a turn-based card game, what kind of technique do you use to support multiplayer gameplay over Internet? Is it socket? If it's socket, which SDK (CoronaSDK etc.) can provide solid ...
4
votes
1answer
2k views

How do I break an image into 6 or 8 pieces of different shapes?

I am working on puzzle game, where the player can select an image from iPhone photo gallery. The selected image will save in puzzle page and after 3 second wait the selected image will be broken into ...
3
votes
2answers
431 views

How to move the object(tanker ) on slope image in chipmunk Spacemanager

I have used one polygon shape image (terrain)in my game its just like mountain and now i want to move the tanker on mountain path from one direction to other and then its turn on touching of the ...
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 ...
8
votes
1answer
3k 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. ...
18
votes
5answers
20k views

Objective-C or C++ for iOS games?

I'm pretty confident programming in Objective-C and C++, but I find Objective-C to be somewhat easier to use and more flexible and dynamic in nature. What would be the pros and cons when using C++ ...
7
votes
1answer
1k views

Is the STL efficient enough for mobile devices?

When it comes to mobile game development on iOS and Android NDK, some developers write their own C++ containers, while others claim that STL is more than adequate for mobile game development (For ...
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 ...
4
votes
1answer
503 views

What is the best way to display a cut scene?

How do we show cutscene in the game? Currently I am using images and animation upon them to show cutscenes or story. I heard from my friend that showing a video might be one of the option too. Is it a ...
4
votes
1answer
518 views

Are there any implemented game controls like a screen (thumb) joystick? - iOS

I'm looking for some open source game controls. Especially I'm looking for a thumb screen joystick to move a character on the screen, something like a touch circle. Are there any open source ...
7
votes
2answers
2k views

Getting the number of fragments which passed the depth test

In "modern" environments, the "NV Occlusion Query" extension provides a method to get the number of fragments which passed the depth test. However, on the iPad / iPhone using OpenGL ES, the extension ...
6
votes
1answer
652 views

How do I recruit beta testers?

We're a small company without enough employees to run a large scale beta in house. The app is geo-location based so we're trying to recruits some beta testers from all over that aren't "friends and ...
4
votes
1answer
502 views

Cocos2d: Tongue effect like in Munch Time

I'm wanting to do a tongue effect for my character like the one in Munch Time( shown in pic ). The player does some action and his tongue attaches to the nearest platform. I'm thinking this is ...
2
votes
4answers
4k views

What 2D engine can I use to port my flash game to iOS and Android? [closed]

I would like to port my 2D flash game to Android and iOS. Is there any cross platform engine you could recommend? Corona is the only promising one I have found so far.
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 ...
4
votes
1answer
704 views

Organize a game set

I'm developing a endless running game and I'm not really sure on how to make the set. The first approach was to make a BIG set like 10240x3072 pixels so that we have a nice portion of set. After ...
3
votes
1answer
4k views

Why do my sprites have a dark shadow/line/frame surrounding the texture?

I'm starting OpenGL with Apple's GLKit hand I'm having some trouble to get my sprites displayed properly. The Problem is that they all are surrounded with thin dark lines. The screen shot below shows ...
1
vote
2answers
927 views

Rotate 3D cube so nearest side is facing user

How do I figure out the new angle and rotation vectors for the most visible side of the cube? Why: The user can rotate cube, but when finished I'd like the cube to snap to a side facing the user. ...
1
vote
2answers
1k views

How to deal with Character body parts from Design to Cocos2d

I'm trying to figure out the pattern the game developers use together with game designers: See the picture below with the independent parts: Questions: 1) Should I create different image parts ...
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
2answers
346 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 ...
1
vote
2answers
379 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 ...
0
votes
3answers
3k views

How do you make a customizable 3D character with animation in iOS?

I want to build a character system in my game that is like the on in Mod Nation Racers or Little Big Planet 2. You have a basic and simple Character (which is animated) and you can now put stuff (...
0
votes
1answer
192 views

How can I avoid a delay with continues touch detection in swift?

I want control a character on my screen with a continuous swipe gesture. As soon as I do a swipe +x or -x my character moves left or right. And as long as I hold my finger it continuous to move to the ...