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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2
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2answers
269 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 ...
0
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1answer
461 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.
0
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0answers
99 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 ...
0
votes
2answers
753 views

How do I create a message box that fires a callback on button press?

I need to create a message box with an "OK"-button. When the user touches the button, it should execute a callback. I'm new to this and couldn't find any articles in the docs.
1
vote
0answers
181 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 = ...
0
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3answers
366 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 < ...
0
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0answers
601 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 ...
0
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0answers
168 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 ...
0
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0answers
41 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"); ...
0
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0answers
176 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 ...
0
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2answers
124 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 ...
0
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0answers
326 views

cocos2d-x .. How to detect which sprites are underneath a touch event

I was wondering what the best solution is in the following scenario: Lots of sprites floating around on screen. A user can touch one sprite and drag to another sprite. Throughout this entire time, I ...
2
votes
1answer
326 views

Why AnchorPoint doesn't affect `CCLayer` Positioning?

I think there is a difference between CCLayer and CCNode behavior when I change their AnchorPoint. I will describe what I mean and please somebody explain it ? Scenario: I start with CCNode CCNode ...
0
votes
0answers
356 views

Import JSON from CocosStudio to 2dx?

I'm new to Cocos2d and trying to figure out how to use CocosStudio v1.5 for animation along with learning Cocos2dx . I'm hoping to put all the animation for one character on one sprite sheet and one ...
0
votes
1answer
154 views

Error running an Action in Cocos2d-x

In my game I have a "rocket" type and I want to run a sequence of actions on it. At first it must run an explosion animation and then remove itself from the game. For this I used the following code, ...
3
votes
1answer
186 views

How can I speed up cocos2d game engine?

I am developing a tower-defense game and I want to permit user to change game engine speed ,for example rotation speed of towers,rockets speed ,enemies moving speed ,counters and etc proportionally. ...
1
vote
1answer
239 views

Cocos2d/Cocos2d-x Attaching an arrow (sprite) to another body sprite (person)

I am trying to set up a simple bow and arrow game. When the arrow hits the enemy body, the arrow's body is deleted and the arrow sprite continues to update, keeping the position correct in relation to ...
0
votes
0answers
105 views

Animate a tile in coco2d-x

I am trying to animate a tile in my tile-based game using coco2d-x 3.0 I am using tileAt(ccp(x, y)) to retrieve my tile Sprite been when I am trying to apply animation an assert is jumping with : ...
1
vote
1answer
301 views

Box2d - Attaching a fired arrow to a moving enemy

I am firing an arrow from the player to moving enemies. When the arrow hits the enemy, I want it to attach exactly where it hit and cause the enemy (a square) to tumble to the ground. Excluding the ...
0
votes
0answers
180 views

Cocos2dx InApp Purchase for ios

I am trying to integrate In App Purchases in my app made by using cocos2d x c++. I am using easyNdk Helper for In App Purchases. My In App Purchases works perfectly for my Objective C apps. But for ...
0
votes
1answer
902 views

How to pause and unpause the Particular action of a sprite?

My game has a sprite representing a character. When the character picks up an item, the sprite should stop moving for a period of time. I use CCbezier to make the sprite move, like this: ...
0
votes
1answer
195 views

Cocos2d-x v3.1 for WinPhone 8 auto change texture after resumed from background

I have some sprites in my game (for Windows Phone 8). These are my steps to reproduce the problem: Open game Play (this is an optional step) Press Windows button to send game to background Press ...
2
votes
0answers
461 views

Weird y offset when using custom frag shader (Cocos2d-x)

I'm trying to mask a sprite so I wrote a simple fragment shader that renders only the pixels that are not hidden under another texture (the mask). The problem is that it seems my texture has its ...
0
votes
1answer
456 views

How do I rotate a sprite with ccbezierTo in cocos2d-x?

In cocos2d-x, I move a sprite with ccbezierTo like this: // use for ccbezierTo bezier.controlPoint_1 = ccp(m_fish->getPositionX() + 200, visibleSize.height/2 + 300); bezier.controlPoint_2 = ...
1
vote
1answer
1k views

How to prevent showing outside of Game Map ( Cocos2D-x ) ( Scrolling game )

I'm trying to make a tower defense game and it can zoom in/out and scrolling over my world map. How to scroll over the game and how to restrict it not to show outside of my map(black area). At below ...
3
votes
1answer
4k views

difference between cocos2d-x vs cocos2d-js

I'm just moving towards native apps... A friend of mine told me to start with cocos2d, I'm good in javascript. while searching google for cocos2d, and within cocos2d-x.org i found cocos2d-x ...
0
votes
0answers
896 views

How to make glow effect in cocos2dx

i searching the web for glowing effect , i like to be able to create misc glowing effects , like lasers , glow around sprites and such . couldn't find any thing on the web , any body have any ...
1
vote
1answer
507 views

Issue porting Cocos2d-x to Android

I've written a basic game using Cocos2D-x on XCode. It works fine on the iPhone. Now I'm trying to port it to Android. When I run the script ./build_native.sh inside the proj.android folder, it gives ...
-1
votes
1answer
407 views

in-app purchase in cocosSd-x 3.0

I am working within a team, and we're at the point of finishing our first cocos2d-x c++ application. We want to add in-app purchases. for what, we made a search for this. We found 2 solutions: 1- ...
0
votes
0answers
46 views

What aspect ratios and resolutions should my mobile game target? [duplicate]

I used cocos2d-x to create a game. How do I need to set up the art so it works on different devices? How many aspect ratios and resolutions should I slice the same image to have it look good on iOS ...
0
votes
2answers
291 views

Cocos2d-x 3.0 animation frame by frame

As I know animations are actions. Now I need to play animation frame by frame. Say I have an animation from N frames. each frame should be played after t delay. Now I want to play animation frame by ...
1
vote
0answers
103 views

What's the equivalent of UIBezierPath in Cocos2d-x?

I'm beginner in Cocos2d-x , and i want to implement this tutorial with Cocos2d-x v.3 cpp, but the problem i dont know if there's UIBezierPath in cocos2d-x. Could you help me to draw the Bezier Arrow ...
0
votes
1answer
806 views

using eclipse instead of visual studio for cocos2d-x project

im using coco2d-x v 3.0 i made a new windows project to test it and it is working but when i try to build and run a project using this command cocos run -p win32 it is print this error it seem ...
0
votes
1answer
256 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 ...
1
vote
2answers
777 views

Best logic to create and drop new gems in a Match-3 game

In a simple match-3 game, with a square gems matrix creating and dropping new gems is fairly simple: when needed I generate those gems above the matrix and then I make them fall into the main matrix ...
2
votes
2answers
533 views

How do I separate testable game logic from my UI in Cocos2d-x?

I read some articles on why I should separate game logic and UI code: That makes it possible to test game logic code can be independently of the rest. However, I am having trouble implementing this in ...
-2
votes
2answers
582 views

Tower Defense Search Enemies Efficiently

I had a problem with the build of a TD. I got a slow - non efficient search for towers find targets to shoot. PD: enemies[] got all the active & non-active enemies (death and alive) ->Im using ...
0
votes
1answer
1k 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?
0
votes
2answers
316 views

translate-scroll repeated 2d texture using opengl shader

I managed to implement an infinite 2d texture scrolling using the following shader. btw I'm using cocos2d-x 2.2.1. The vertex shader: attribute vec4 a_position; attribute vec2 a_texCoord; #ifdef ...
0
votes
0answers
344 views

box2d's ApplyForce works wrong after cocos2d-x's replaceScene

i'm practicing making a breakout game, using cocos2d-x 3.x and box2d, referencing here. i create a ball in the scene's init function and apply force. when ball hits bottom wall, if i touch screen ...
1
vote
2answers
664 views

How can I list files in a folder from JavaScript in cocos2d-x?

I need to list all the files in the res folder from a JavaScript script in cocos2d-x. What would be the most efficient way to do this? To keep compatibility with Cocos2d-html5 a JavaScript-only ...
1
vote
1answer
932 views

Create tile map in Cocos2D-X by not using TMX file

I used to make a tile base game in Windows with my own tile map file, but it is a static tile map. I use an 2D array to store of my tile map. Now I want to make game in smartphone by using Cocos2D-X, ...
1
vote
2answers
382 views

Should I draw directly on a CCLayer or a CCSprite?

Now I am a little confused in my cocos2d-x cpp project. I want to draw lines with user's finger touch. Following the screenshot of a CCScene: In the screen, there are two squares. I want show an ...
-1
votes
1answer
140 views

Collision function calls before colliding

My Box2D contact listener class is calling post solve and beginning the contact function before colliding? This is causing my object to bounce back before hitting the ground. What could be causing ...
1
vote
2answers
663 views

How to find collision detection side between two objects?

I am using box2D and I have two objects, one is bouncy ball and the other one is block. I'd like to find which side of the block is collided with, so I can only make the ball bounce when it hits the ...
0
votes
0answers
334 views

Design virtual resolution for 2D development in Unity

I came to Unity with Cocos2D-X experience in mind. In Cocos2D-X, I can choose a "virtual" screen resolution size to rely on the entire game during development and the game will automatically adapt to ...
0
votes
1answer
445 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 ...
0
votes
2answers
324 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 ...
0
votes
0answers
889 views

Cocos2dx- Draw primitives(polygons) on Update

In my game I'm trying to draw polygons on on each step i.e. update method. I call draw() method to draw new polygon with dynamic vertices. Following is my code: void HelloWorld::draw () { ...
1
vote
0answers
501 views

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 ...