cocos2d-x is a cross plaform port of cocos2d-iphone using C++. It supports iOS, Mac, Android, Samsung Bada, BlackBerry Tablet OS, Windows and Linux. It has built-in bindings for Lua and Javascript.

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Cocos2d-x CCFollow Zooming issue

Hi I am currently building a cocos2d-x game which incorporates pinch zoom using CCLayerPanZoom class which can be found here The problem is basically when using CCFollow and zooming and out, it ...
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1k views

Parallax Scrolling Road-2D [duplicate]

I'm working on a racing game which will have a top view from the back camera. The image below displays a similar example. I am confused about how to achieve the movement of the road if parallax ...
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193 views

Masking a CCLayer

I have a CCLayer (itemLayer) that has a bunch of CCMenuItemImage (itemButton) objects in it placed vertically in a column. These itemButton objects go way past the bounds of the screen and the ...
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336 views

How do I use Objective-C libraries in Cocos2d-x?

We've created several libraries in Objective-C in the past, and now we're moving to the Cocos2d-x game engine. We can't figure out how to reference and use those libraries (we've also tried compiling ...
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273 views

Getting contour without the background [closed]

I have a texture and vertex which are needed to create a set of closed polygons. For this purpose I use these functions: Code for create texture: CCSprite* spr = ...
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1answer
363 views

Adjust sprite bounds of the visible part of texture

Is there any way to adjust the boundaries of the visible part of the sprite? To make it easier to understand: I have a texture, such as shown at figure 1. Then I break it into pieces and fill the ...
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446 views

Adding Libxml2 to an Android project under Cocos2D-X

I am having problems porting Libxml2. I like it because it works under windows like a charm with <libxml/parser.h>. When I reference the libraries I just cannot find the right path to them, ...
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3answers
942 views

Counting multiple touches using Cocos2dx 3.2

I'm trying to count the number of active touches in screen in order to perform an an action in case that there are two touches: auto jumpListener = EventListenerTouchAllAtOnce::create(); ...
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3answers
974 views

Changing the rendering resolution while maintaining the design layout

I would like to increase the FPS of my project. Currently I would like to try reducing the resolution at which the scenes are rendered. Let's say I never want to draw more than 1280*720. What ever ...
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1answer
88 views

how to naturally rotate a ball according to its velocity on a surface, a wall

I develop a game on cocos2d-x cpp. There is a ball sprite in my game. I move the ball on a surface(wall) via touch events but it can't naturally rotate according to its velocity. if i use ...
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1answer
385 views

Determine speed of sprite

I'm trying to calculate the speed of my sprites in Cocos2d but I'm having some difficulties. I'm not sure which units of time/speed cocos2d uses. My background sprite moves 2 positions to left each ...
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1answer
187 views

Camera Calculation

For my game I don't able to decide what camera resolution I have to use ? Normally I use 1024x600 landscape resolution of camera for my game and create single graphics for my game. But I found that ...
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1answer
1k views

How to set up Cocos2d-x for visual studio?

I want to make a cocos2d-x game. I read you can use any IDE, so I was planning to use Microsoft Visual Studio 2015, since I want to make my game primarily for Windows. I have been searching for ...
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2answers
1k views

What is the differencen between ccTouchesEnded and ccTouchEnded

I'm learning cocos2d-x. Following the tutorial I found that ccTouchesEnded works perfectly in linux (and windows) but when I replace by ccTouchEnded the event isn't detected anymore. What are ...
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1answer
2k views

How to set multiple animations in cocos2d-x

I'm currently starting with cocos2d-x to build games for blackberry/android/iOS. I have the png and plist for the animations of a character created with texturepacker. I load them with ...
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1answer
1k views

Can't Build Cocos2Dx emscripten project [closed]

I need to port a Cocos2D-x project to Web (JS+HTML5). I'm trying to compile cocos2D-x samples using the emscripten project for cocos2d-x, and I've followed this tutorial ...
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1answer
2k views

cocos2d-x - object creation and management in game design

How do others keep track of everything going on in their games? I am working on a new game and I am quickly realizing everything that I need to keep track of. Example: Maybe a layerManager that ...
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1answer
30 views

Cocos2d: Tweening primitive data-types

I asked in SO, but no responses so I'm posting here since it's probably more relevant here. EDIT: SO question closed. I'm trying to tween primitive data-types the way Action tweens position to ...
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1answer
169 views

How to convert pixels to meters in Box2d with Cocos2d-x 3.5?

I am using Cocos2d-x 3.5. I created a simple game with edge bodies and one circular body to test box2d. Physics wasn't working well, so i thought i should convert pixels to meters and use that meters ...
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2answers
623 views

Cocos2dx - Physics - Abort() When Changing Dynamic PhysicBody to Static?

I just learned cocos2dx v3.3 integrated chipmunk physics engine. Here ,as you see, I create a simple circle with physic as: auto sprite = Sprite::create("circle.png"); auto body = ...
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1answer
1k views

Randomize and display sprites in a 4x6 grid - Cocos2d-x

I am creating a card matching game. I have a vector that stores 16 unique cards. I am trying to randomize the order and select only the first 12 cards, then setup in a 4x6 grid for a total of 24 ...
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1answer
2k views

How do you create 2D skeletal animations without extra software? [closed]

I'm working on a Cocos2d-x game and I'm developing on Windows. What I want is to make some skeletal animations, without using a tool or extra software to do so?
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1answer
580 views

cocos2dx- set draw() method interval time

What is the default interval of draw method call in cocos2dx engine? Can we set it manually? I couldn't find much information about it online. After researching a bit I found that update() method ...
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2answers
415 views

Implementing `fling` logic without pan gesture recognizers

So I am trying to port over a simple game that I originally wrote to iphone into cocos2d-x. I've hit a minor bump however in implementing simple 'fling' logic I had in the iphone version that is ...
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1answer
484 views

How to get position of CCSprite added to CCParallaxNode?

I have a CCparallaxNodeExtras that scrolls infinite (following the space game tutorial). I added as a child a CCSprite made of other CCSprite, like this: _backgroundNode = ...
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1answer
403 views

How to Initilize CCPoint Array from String?

I've got string like this: {{0,168},{20,20}}, here indicates two points. I want to get them out to initialize my CCPoint. Do you guys know how to convert this?
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1answer
314 views

Cocos2d-x cross platform development

I want to make a game with my friends on iOs, Android, WP operating systems. We decided to use a cocos2d-x and develop the core of the game on C++. What will be the right way of developing so that we ...
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2answers
3k views

cocos2dx - Custom Fragment Shader and CCRenderTexture

I have a CCRenderTexture that is filled with a sprite when the scene is loaded, as follows, canvas = CCRenderTexture::create(this->getContentSize().width, this->getContentSize().height); ...
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1answer
406 views

does cocos2d cache texture automatically

I know if we want the textures cached we can use the sharedtexture manager to cache them, but since this is on mobile platform , why don't cocos2d-x just do this for all texture loads ? when creating ...
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1answer
1k views

CCSequence with two CCAction

I have two CCActions : CCAction *a; CCAction *b; so how to use CCSequence with two CCActions Thanks
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2answers
2k views

Integrating SQLite to Cocos2d-x at Xcode

I have downloaded SQLite C/C++ interface to work with Cocos2d-x. Created a database by Firefox SQLite plugin. Then tried the following code // sqlite implementation sqlite3 *db; ...
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1answer
32 views

How to program friction in an air hockey game in Cocos2d-x 3.11?

I'm developing a simple air hockey game, and I have a question about friction of puck and puddles with the game scene. How can I do that? I'm using cocos2d-x default physics engine, and the friction ...
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Compiling 'Hello World' Cocos2D-x Project On Mac

I am trying out Cocos2D-x v3.10, but I am getting a compile error because I am missing an sql 3 library. The specific flag that triggers the error is -llibsql3 in the cocos2D_libs.xcode project. I ...
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23 views

How to export cocos2d-x game to Apple store?

I've been making a game for android using cocos2d-x and I made an apk successfully. now I want to upload it to the AppStore what changes should I make?
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16 views

cocos2d c++ Collision between edge physics bodies

I'm working on a game with cocos2d, need to detect collision between two PhysicsEdgeBody. I've created an EventListener for contact and added it to the layer i'm working on, PhysicsContact and ...
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1answer
22 views

cocos2d-x Label Load Image like Sticker-Smile..(by html or …)

hi and sorry for my english... i am using cocos2d-x (c++)... can i load sticker (smile) in my Label(a text mixed by image)? i know that we can load bitmap fonts by: Label::createWithBMFont also i ...
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8 views

cocos2d-x Label Set Custom Direction manually

sorry for my english... i am using cocos2d-x for developing an android -ios game... can i set custom right-to-left or left-to-right direction to my Label manually? i mean that i want to set it like ...
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1answer
88 views

How to connect to a socket.io server from a Cocos2d-x game?

The question can also be asked more specifically as; How do I connect to a socket.io server with C++ from a mobile game? I am aware of Boost (and Socket.io C++ client libraries using Boost) but ...
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17 views

Cocos2dx : Lua with C++: lua_pcall closing my app

I'll try to explain what is happening with my current project: I want to make some custom scripts myself without using the lua script engine from cocos2dx, so I linked lua51.lib on Linker->Input, and ...
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35 views

`setVelocity` allows body to pass through bodies

In my game, I'm using cocos2d-x and I wanted to have an object that changes direction immediately, so I used setVelocity() on the physics body to do that. However, when I do that it can run through ...
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26 views

In Cocos-2d-x, is there a way to get a shared OpenGL context for use with background loading

We are using parts of the Cocos-2D-X engine and we have a background loading thread which loads textures in the background. Is there a way to get a ShareGroup so we can safely bind an OpenGL context ...
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40 views

How to do serialization in Cocos2d-x?

I can’t find any examples on the web on how to do serialization in nodes. If there isn’t a mechanism already built-in in the engine for this, is there a common pattern used to implement it in ...
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1answer
135 views

How can I save and load an adventure game?

I'm using cocos2dx and sqlite to store datum. The table looks like this: x INT, y INT, className TEXT, properties TEXT. I use json to serialize terrains and sprites. But I don't know how to ...
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1answer
90 views

Cocos2d background sound not playing a second time C++

I'm using cocos2d-x on windows10 UWP project. I use the SimpleAudioEngine to load the music: CocosDenshion::SimpleAudioEngine::getInstance()->playBackgroundMusic("level_music1.wav",true); On the ...
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1answer
71 views

Rotate sprite direction Cocos2d

I want that my sprite go always forward, and you can only control his direction moving right and left (on 360 degrees). I don't know why, but the movement it's senseless. The constants to move and ...
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138 views

Cocos2dx - error while importing plugin with sdkbox

I'm trying to import plugins through sdkbox (v0.5.6.7) in my game using Cocos2dx (v3.7.1) but I always get this error: $> sdkbox import facebook _______ ______ _ _ ______ _____ _ _ ...
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200 views

camera or position issue when render sphere with cocos2d-x 3.7

See code below bool HelloWorld::init() { [....] auto size = Director::getInstance()->getWinSize(); // setup camera auto camera = Camera::createPerspective(30, ...
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128 views

Cocos2d-x 3.7 PhysicsBody velocity issue

i have a Sprite with physicsBody,and fixed velocity,the problem is the sprite is not renderd smoothly with the mouvement,it's look like zigzaging forward and backward with a tiny fixed offset,but keep ...
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31 views

Cannot include CCTableViewDataSource in Cocos2d-x

I found a tutorial in programering.com that show me how to create a scrolling list. But when i tried to follow this tutorial i realize that i have a problem with inheritance. I'm using Cocos2d-x ...
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50 views

ETC1 texture opacity

I'm using the cocos2d-x engine and want to support etc1 on android devices for my game. For ETC1 i'm using the mali compression tool, and GLSL. Everything is working, but I can't change the opacity ...