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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Why current scene in cocos2dx has no children when accessed from outside scene class?

I want to access a sprite in a scene, but I cannot get the running scene from outside the scene class. The scene is created using: Scene* MyScene::createScene() { auto scene = Scene::create(); ...
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13 views

Cocos2dx How to show different parts of a scene in a split screen

I come from an SFML background and you could show different parts of a scene in split screens by manipulating sf::View. Is there any way to do it with Cocos2dx? I plan to make a split screen game but ...
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How can i get a value from object in tmx file in Cocos2d x 3.x?

I want to set my sprite in x coordinate based on an object in TMX map file, this is my code: tileMap = cocos2d::TMXTiledMap::create("ground.tmx"); ground = tileMap->layerNamed("ground"); ...
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13 views

How can i get object from TMXTiledMap and store it in Dictionary variable ?

I've been following a tutorial to make tiled map in cocos2d x 3.0 , but i couldnt complete the rest of the tutorial because its for coco2d x 2.0 version, How can i get a value of property that is ...
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1answer
43 views

what is the basic concept behind online games? [closed]

I want to make a 2D car race game which the camera on top perspective like this: And i want to let users play against each other online, Is it about sending sprite position data from the user1 ...
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33 views

how can i create game elements like those in Geometry Dash game? [on hold]

whats the basic idea in creating elements in a level like those in Geometry Dash game ? i'm wondering is it a long background in width such as 60000x400 image for side scrolling game with every ...
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15 views

Cocos2dx - Touch not recognized on Android

I'm having trouble with a touch listener not picking up touch events on android, but doing fine in windows (mouse input). I've got a Node listening for touches (not a Layer), but from what I've been ...
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1answer
26 views

Cocos2d - Physics bodies randomly loosing Velocity along an axis after impact

This just started occurring and seems to randomly happen during, and between, game sessions. A dynamic moving body collides with a static body and instead of bouncing off looses (almost completely) ...
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11 views

Mobile game: Optimization only working on some devices / Render big texture causes stuttering after level load

I'm currently optimizing the rendering of the background of my mobile game. The background consists basically of many colored dots. Since the background is static I'm able ro render the whole ...
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0answers
39 views

Cocos2dx+Chipmunk: Fully elastic collision between moving bodies

I'm using Cocos2dx and the built in Chipmunk physics engine, and currently I've got my PhysicsBodys' materials set up with: Density=0 Restitution=1 Friction=0 in order to get fully elastic ...
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1answer
45 views

How to serve user generated levels? [closed]

What is the easiest way to store online and serve user-generated levels? What client-server architecture should I use? Will I need backend code, or just a database? What database would be the easiest ...
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1answer
17 views

Right-To-Left Text Direction in Cocos2dx

I want to use Persian/Arabic text beside English in whether Label or ui::Text. Persian is a Right-to-Left and English is a Left-to-Right language and so I have problem to combine them in one string. ...
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56 views

How do I use CC_CALLBACK for external classes in Cocos2dx v3.2?

I've been having problems with using 'CC_CALLBACK_#' (i.e. CC_CALLBACK_0, CC_CALLBACK_1). It works alright if I am using it to call a function from the class (Using 'GameScene' class for this example) ...
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2answers
220 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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44 views

Cocos2d pause game freezes the screen

I am trying to create pause screen for my game. The game is developed upon continuous scrolling background (top to bottom) with obstacles which are moving independently (left to right). Below is the ...
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2answers
96 views

Drawing a continuous line with onTouchMoved callback

i'm trying to draw a continues spline on every onTouchMoved call, the functionality is supposed to be similar to the line drawing used in the iOS game - flight control. i'm using it in the following ...
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0answers
54 views

Playing Multiple Sound effects isssue in cocos2d-x

Please help if someone faced this issue. I have a sound effect 3sec long which need to be played repeatedly for some time of 10 to 15 secs. Implemented like below: ...
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1answer
170 views

Need Help with Cocos2d Ver 3.3 AudioEngine

So I have 2 audio files that I want to play at different times: background.wav a sneeze.wav. I believe that I have to convert both wav files into mp3, caf and ogg files. Then I do this: static ...
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1answer
279 views

Cocos2d-x supporting multi-resolution using density independent pixels

Is there a way to use Density Independent pixels(dp) in cocos2d-x? I am developing an Android game using Cocos2d-x 3.0. The Android reference ...
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197 views

Implement Camera (former: CCCamera) v2 in cocos2d-x v3.3

we want to port camera code from cocos2d-x version 2 to version 3.3 with the goal to imitate the behaviour of a CCCamera in cocos2d-x version 2 exactly. You can assume that values for "eye" and "up" ...
2
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1answer
62 views

change animations when touch sprites [closed]

In the following function I want to change the animation when I touch on the button. But the game crash and exit. What's wrong with this code ? bool GameScene::onTouchBegan(cocos2d::Touch *touch ...
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1answer
54 views

How can I obtain information about the GPU in Cocos2d-x?

I'm trying to obtain information about the GPU that is running the game in order to use the correct texture compression for that GPU: std::string GPUInfo::getTC() { std::string TC; ...
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1answer
222 views

having problem with preloading plist file in Cocos2d-x

I am using Cocos2d-x engine with 3.2 version. In my splash screen i am prefeching plist by below line SpriteFrameCache::getInstance()->addSpriteFramesWithFile("ui.plist"); Now inside game when ...
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1answer
93 views

Grayscale and 2D lighting using cocos-2dx

I want to create a lighting effect on a gray-scaled world using cocos2d-x. What I've done is creating a layer which runs a shader program that receives light positions and radiuses as input and ...
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1answer
154 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
87 views

cocos2dx: Your RunningScene != Scene You just Replace

I have this code for cocos2d-x 3.x: void MainMenu::StartGame(cocos2d::Ref* pSender) { auto director = Director::getInstance(); auto newScene = Scene::create(); ...
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1answer
262 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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25 views

applyImpulse on CCSprite not making realistic moves

I am developing a jump game, in that when tapped on screen, I need to make the player jump up. So, I used following code. [_player.physicsBody applyImpulse: ccp(0, player.physicsBody.mass * 155)]; ...
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119 views

Touch-detection in cocos2d-x (Lua): Catering for bounding boxes and scale factor

I am trying to write an app in Cocos2d-x with Lua. I have a sprite that I have added directly to a scene, and now I want to detect touches on the sprite. Right now, my touch begin function looks as ...
3
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1answer
285 views

How do I handle rope physics with fixed ends and a sliding weight?

I've been interested in rope physics recently—I've successfully implemented a simple Verlet rope with moveable ends. Now I am trying something a little different: I want to start by recreating the ...
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91 views

Cocos2d-x 3.0 JS: Facebook Dialog: Internal Server Error 500

I am using the following function to Invoke Facebook sharing: facebookShare: function() { cc.log('share to facebook 0.1'); var self = this; var fb = plugin.FacebookAgent.getInstance(); ...
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1answer
50 views

using rperp or perp to find perpendicular of a vector

i have code local coordinate Vec2 velo = Vec2(100,0); Vec2 Heading = velo.getNormalized(); Vec2 side = Heading.perp(); Vec2 trans = Vec2(12,12); then i can generate toWorldCoordinate for trans ...
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1answer
96 views

Cocos2dx - Trail

I'd like to implement a trail (like the white circles in Angry Birds) that chase my Sprite. I already used CCMotionStreak, but the trail texture is "stretched" instead. Anyone has an idea how to make ...
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1answer
210 views

Cocos2d-x how to draw in specific free form area

Here https://github.com/mikeccy/cocos2dx-finger-paint/blob/master/Classes/HelloWorldScene.h and https://github.com/mikeccy/cocos2dx-finger-paint/blob/master/Classes/HelloWorldScene.cpp you can see how ...
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2answers
376 views

Implementing one-way platforms in Chipmunk

I am making game in cocos2d-x, but it's the first time I am using a physics engine i.e. Chipmunk. (It's built-in to cocos2d-x.) I want to make a one-way platform: When my character jumps into a ...
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85 views

Render isometric TMXTilemap with antialiasing method

I'm currently working on a cocos2d-x project that uses isometric tile maps.all the tiles are as small as 64*64 px.So I have to scale the map up a little bit.TMXTilemap is handy but its render method ...
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1answer
216 views

Playing a sprite sheet animation in Cocos2D-x

I'm trying to create an animation using a sprite sheet in Cocos2D-x. I'm doing the following. The game doesn't crash but the screen is still blank. bool HelloWorld::init() { ...
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14 views

How can I animate a sprite in cocos2d-x 2.2.1 c++? [duplicate]

Is there a way to do an animation without a .plist file? I'm having a hard time doing swap animation with sprites. For example, doing an animation while the user is not doing touches and the other ...
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1answer
266 views

cocos2d-x “immediate mode”?

I have some c++ game code that draws the game state on each game-loop cycle in "immediate mode". By that I mean that the game code does not add the sprites to be drawn to any sort of "scene graph" or ...
2
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2answers
234 views

Water silhouette shader using GLSL

I have this problem to solve using Cocos2d-x 3.x: In my game there is water represented by rectangle texture, modified by the code on the go. I also have a character moving around, rotating etc. I ...
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1answer
374 views

post on Facebook from cocos2d-x on windows phone

Is it possible to share/post on Facebook from cocos2d-x on windows phone. Is there any example/tutorial available.
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0answers
76 views

Change of scene not working in Android

Hi i am trying to load a new scene in cocos2d-x-js version 3.0 and my code works fine in the windows simulator but on building to android it doesn't work. This is the code var scene = new ...
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2answers
414 views

How can i create a message box with callback on ok?

I need to create a message box with ok button and when user touch ok , it will have to execute a callback.I am new to this and couldn't find any articles in the doc.
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163 views

How to change texture from pvr.ccz in Cocos2d?

I'm using .pvr.ccz file that texturePacker application created for me , I created a Sprite that it's image choosed from this file(.pvr.ccz) like below: CCSprite *mySprite = ...
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3answers
253 views

Is this possible in cocos2dx 3.0? [closed]

I have a number of five images (sprite1.png, sprite2.png, sprite3.png, sprite4.png, sprite5.png), these all I want to add as a sprite... int rndSprtNum = (arc4random() % 5) + 1; for(int i = 0; i < ...
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520 views

CocoStudio + cocos2dx 3.2 correct way to import animation?

After many frustrating hours I came to the conclusion that there is no valid way to implement a cocostudio animation, as CCArmature is deprecated and didnt work for me anyway. CocoStudio.h and ...
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139 views

Is there any advantage in using sprite sheets in Cocos2d-X menus?

I am developing a game using Cocos2d-X 2.3 and Marmalade SDK 7.3.1 and I was wondering if there is difference between loading the icon images that will be used in my menu buttons from a sprite sheet ...
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38 views

Add spritenode to the side of other spritenode

i have create a spritenode space. i want to add one sprite node to the left and one sprite node to the right of the space node. space= Sprite::create("space.png"); ...
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156 views

How to create a rectangle sprite node in cocos2d-x

I am new to cocos2d-x. I want to create a rectangle spritenode with specific size in cocos2d-x. As in spritekit we use "bodyWithRectangleOfSize", what is its equivalent in cocos2d-x. I am using ...
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2answers
98 views

Filling up the empty blocks when the player touches the safe zone again! using cocos2d

Hi guys i am stuck with filling up the data of all the blocks which are empty like the ones in the image. As you can see there i have a pacman like object where i will be moving around. But when ...