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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239 views

Should I drawing directly on CCLayer or 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 ...
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1answer
404 views

CCMoveBy values on update()

Hope you can help me. This is my problem: I have a scheduled update, here I track the movements of my objects (sprites), I move them with CCMoveBy, and I need to constantly update the zOrder. For ...
1
vote
1answer
153 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 ...
1
vote
1answer
117 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 ...
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2answers
386 views

how to re-use a sprite in cocos2d-x

some times it takes time to create the sprite structures in the scene, I might need to setup structures inside this sprite to meet requirement, thus I would hope to reuse such structures with the game ...
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1answer
52 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 ...
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0answers
32 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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3answers
73 views

Is this possible in cocos2dx 3.0?

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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0answers
38 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
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1answer
159 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 ...
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1answer
97 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 ...
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1answer
180 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 ...
0
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1answer
110 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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1answer
279 views

Multi Resolution graphic for ios 4 and ios 5

i have used cocos2d-x to code game for ios 4, ios 4s, ios 5 with screen size (3.5 inch and 4 inch) First, my resource are desgined for ios 4 and ios 4s with screen size : 3.5 inch. so if i want to ...
0
votes
1answer
49 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() { ...
-1
votes
1answer
206 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
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1answer
99 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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2answers
2k 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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0answers
13 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 ...
9
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3answers
13k views

How to play animations in Cocos2d-x?

I'm new to Cocos2d-x and looking for a good way/tutorial on how to play animations in Cocos2d-x.
2
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2answers
131 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 ...
1
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1answer
71 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
votes
1answer
415 views

Not able to change the background of the scene in cocos2dx android

I have started Game Development using Cocos2d-x. And started with HelloWorld sample game. I am able to run this sample game. But when I try to change the Background Color, I am getting error in ...
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0answers
33 views

how can i remove CCSprite on click which are came from right to left direction…?

i am using cocos2dx 3.0(c++) and have many sprites generate from on sprite named "objDown". each generated sprite has a setTag() assign ...no w how can i remove this sprites on touch ....help will be ...
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0answers
64 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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0answers
247 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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0answers
66 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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0answers
22 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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0answers
81 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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0answers
86 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 ...
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0answers
63 views

Why AnchorPoint doesn't affect `CCLayer` Positioning?

I think there is a different 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 ...
1
vote
1answer
250 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 ...
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0answers
143 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
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0answers
67 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, ...
1
vote
1answer
354 views

Limiting the speed of a dragged sprite in Cocos2dx

I am trying to drag a row of sprites using ccTouchesMoved. By that I mean that there is a row of sprites (they are colored squares) lined up next to each other and if I grab one with a touch the rest ...
3
votes
1answer
100 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. ...
3
votes
1answer
1k views

Pixel Perfect Collision Detection in Cocos2dx

I am trying to port the pixel perfect collision detection in Cocos2d-x the original version was made for Cocos2D and can be found here: ...
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0answers
44 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 : ...
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0answers
101 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 ...
2
votes
1answer
913 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
1answer
169 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 = ...
2
votes
0answers
166 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 ...
1
vote
1answer
229 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 ...
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0answers
427 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 ...
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1answer
224 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- ...
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vote
2answers
322 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 ...
2
votes
4answers
5k views

Cocos2d-x Finding if a CCPoint is inside a sprite rect

I'm afraid that I'm missing something. This is what I've done: I've made a scene using layers (Gimp), then I've exported the layers with the image size, that way I thought would be more easy to add ...
0
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0answers
42 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
1answer
876 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 ...
3
votes
3answers
3k views

How to use facebook sdk on a cocos2dx-project

I'm doing a game cocos2d-x, when user gets a high score, I want them to touch on the Facebook icon and share the high score on their Facebook account timeline. tutorials on facebook.developer.com ...