cocos2d for iPhone is a free open-source framework for building 2D games, demos, and other graphical/interactive applications for iOS devices.

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Particles starting around specific shape?

I'm trying to solve a difficult UI issue with my iOS/Cocos2d game - I need a visual way of highlighting when a user has made a unique connection of the game pieces (think: a user a forms a triangle ...
2
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0answers
186 views

cocos2dx - Swipe and cut the sprite

I am trying to implement swipe and cut a sprite using cocos2dx and inbuilt chipmunk. For the solution I have done following things Enabled physics in the scene, so that the body falls on cut. ...
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2answers
80 views

Cocos2d v3.4 Templates

How to create cocos2d v3.4 without using Cocos2D-SpriteBuilder? I installed Cocos2D-SpriteBuilder as they recommended in cocos2d blog: http://cocos2d.spritebuilder.com/get-started But I need to ...
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0answers
41 views

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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56 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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52 views

Show emoji colors in CCLabelTTF in Cocos2D v2.0

Is there a way to show the colors of emoji characters in a CCLabelTTF? As it stands, all my emojis appear monotoned in the color set by the CCLabelTTF. If not, is there an alternative CCLabel I should ...
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0answers
113 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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1answer
78 views

How to create a line that is always connected to two Objects. (iPhone, Cocos2d)

I'm wanting to create a rope like animation effect. I don't need any kind of rope physics, all I need is a straight line connected to Object A and the other end connected to object B. Object A and B ...
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2answers
247 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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109 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
178 views

cocos2dx: 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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2answers
447 views

supporting multiple resolutions on mobile (cocos2d, ios)

I am looking into ios game development and the first question that comes to mind is how to support the growing number of iphone resolutions. I have seen the Unity strategy of normalized screen ...
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0answers
76 views

Loading Textures in Background Cocos2d Objective C loading CCScene

I am allocating a few CCScene subclasses, but when I do this, it takes more than 10 seconds. What I am trying to achieve is to perform a small CCAmimation, such as a loading logo glowing. My question ...
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33 views

CCActionMoveBy doesnot working properly when the action called for many of the sprite in cocos2d

I have an issue with CCActionMoveBy when I call the movement action for many of my sprites. I need to move to a certain position and then remove it from the scene. My problem is If the call the ...
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0answers
34 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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53 views

Using Tile Maps with cocos2d - how do I handle a large amount of images?

I am building a game where the users (players) can build their own town. There they can build houses, add furniture to the houses etc etc. Basically similar to The Sims. I am using the Tiled Map ...
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81 views

Cocos2D v3 CCParallaxNode scrolling can't keep player in focus

I am very fresher to game development and I need to develop a game like NinjaJump. I have created a CCParallaxNode to setup scrolling background and added CCPhysicsNode to setup Physics world. I have ...
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1answer
94 views

Moving CCNode with constant speed in cocos2d

I want to move the object (CCNODE) with constant speed in any direction , what i have did till now is applied a force to object at start to get it moving and set elasticity as 1 and friction as 0 to ...
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1answer
48 views

Cocos2d: Positioning Sprites in complex layout patterns [closed]

I'm wondering if anyone has suggestions for how to manage the positioning of many sprites in pre-set and complicated patterns? Currently the brute-force method is to painstakingly code each sprite ...
3
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2answers
537 views

Mathematics of difficulty acceleration in endless runners

I'm currently working on an endless runner and was wondering about the growth of difficulty in the game. Is the acceleration of difficulty highly specific to games or are there standard growth ...
2
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1answer
331 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 ...
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1answer
251 views

cocos2d + sneakyinput joystick multitouch problem

I've added a joystick to my iOS game using the latest SneakyInput joystick code for cocos2d v3. It works well, but when a CCButton I have is pressed, the joystick touch event ends. Based on my ...
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0answers
60 views

CCTextField won't appear

I can't seem to add a CCTextField in my physics node, I tried all different methods, but it's still not happening. Here's my code: CCTextField *tf = [[CCTextField alloc] init]; tf.contentSize = ...
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1answer
157 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, ...
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2answers
59 views

How can I add an impulse to specific rigid bodies at rest?

Scenario Rocks falling down a rocky slope, with a flat surface at the bottom. When they land on the surface, the rocks move slightly before coming to a rest. GLESDebugDraw shows the bright orange ...
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14 views

Complex Body with multiple BodyDefs

My complex body is made up of several parts some of which are static and some are dynamic and have specific positions relative to each other. Because the static/dynamic property and position goes in ...
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1answer
916 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: ...
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1answer
169 views

Creating a tilemap region of clickable buildings in cocos2d

How do you turn a tilemap (produced by TileD) for cocos2d where I can click on individual items and get a callback? Is it just a case of converting captured touch and finding out where it is on the ...
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1answer
102 views

Manually remove inactive CCParticleSystem from scene?

When using particle systems that have a lifetime, with CCParticleSystem and its derived classes, should I manually remove the finished systems from their parent nodes once the particle animations are ...
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1answer
513 views

I need some help with stopping individual sound effects in OALSimpleAudio

I'm trying to find out how to stop a specific sound effect rather than having to stop all of them. I'm using OALSimpleAudio. I can't seem to find how to do it. simple google searches result in ...
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0answers
116 views

How do I get a sprite's angle after collision?

I'm using Cocos2d (version 3) and I want my hero sprite to be jostled around by incoming enemy sprites. The Chipmunk-based physics work, but I need some way to track the rotation of the sprite after a ...
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1answer
907 views

Spritebuilder and CCScrollView, page indicators not showing up?

I'm using Spritebuilder to make my game, and CCScrollView usually saves me quite a bit of time. I'm trying to implement the scroll view much in the same way as the home screen on an iphone uses the ...
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1answer
240 views

Incorrect sprite rotation with atan2() [duplicate]

I want to rotate a sprite so that it faces the mouse cursor/screen touch location. Currently I'm using the following method to compute the angle of rotation. The input position is the target point the ...
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vote
1answer
921 views

Preload in cocos2d v3

I'm trying to create a preload, but i don't know how to implement the code of this topic in cocos2d iphone v3. Since CCTextureCache has changed to CCTexture, and doesn't have sharedTextureCache ...
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2answers
60 views

Count number of CCNodes of a certain class on a layer

Pretty simple question. I'm working in Objective C (cocos2d) and I'm trying to count the number of a sprites of a certain class are present on the current layer being displayed. For example, I have a ...
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1answer
139 views

Get Facebook Picture in Cocos2d-iphone V3

I'm trying to get the profile picture from Facebook, but I'm getting the following error: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIImage ...
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1answer
315 views

try to create CCSpriteFrame but get nil values

I'm trying to animate a CCSprite in cocos2d v3 following this question, but I'm getting the following error message in Log: Terminating app due to uncaught exception 'NSInvalidArgumentException', ...
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1answer
102 views

Stop schedule on gameOver

I have 2 events running through time in my game. I want that when gameover starts, this events stops running This is my code: - (void)onEnter { [super onEnter]; [self ...
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2answers
502 views

Game over pop-up like Flappy Bird

How can I make a game over pop-up like Flappy Bird in cocos2d-iphone 3? I tried to add a new Scene, but it adds a new screen on the game, I just want a rectangle with some buttons inside it. I also ...
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0answers
74 views

Prismatic Joint causes a crash-Box2D(cocos2d)

tried to set up a prismatic joint, but I get this error upon run time: Assertion failed: (IsLocked() == false), function CreateBody, file ...
0
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1answer
186 views

Particle effect in sprite

I want to create a particle effect when my player sprite collide with my star sprite. How can I add a particleSystem in the sprite and not in a image? Also, I wish if it could wait for the animation ...
6
votes
1answer
952 views

OpenGL ES object rotation around z axis

I have an object on my screen which is presented rotated and panned, But i have 2 problems regarding the z axis rotations. It's a bit tricky to explain so i uploaded 2 videos to describe each problem. ...
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0answers
60 views

Building a guided tracing scene

I'm trying to figure out an approach to creating a cocos2d scene that would help kiddos learn to draw letters of the alphabet. Right now I am just using Apple’s PaintView demo code and applying an ...
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3answers
531 views

How can I ensure I still get correct touch inputs when my scene is offset?

How can I accept touch input beyond the scene's bounds, so that no matter what I set self.position to, touches can still be detected? I'm creating a tile based game from Ray Winderlich on Cocos2d ...
3
votes
1answer
327 views

Verify which bubble is connected to top using DFS

I am working on a bubble shooter game in this game i have implemented searching using DFS as suggested in this link, and this is working fine. Update Here is my code for DFS ...
2
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1answer
238 views

Dynamic Hills like Contre Jour in Cocos2d

I'm interested in maps/environments which are flexible and change at runtime, such as those in Contre Jour. I have looked for a long time to find out how to make this effect, but I couldn't find an ...
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1answer
557 views

Tower defense endless levels logic sprite kit [closed]

I am making a tower defense game for iOS using Sprite Kit. I would like for my game to support an endless number of levels, like in Bloons TD 5. What approach should I take to implement this?
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477 views

OpenGL error 0x0506 in -[CCSprite draw] 530 to run project on ios divice in cocos2d?

I am running my cocos2d program on simulator. It works fine but when I run it on device, it throws error OpenGL error 0x0506 in -[CCSprite draw] 530. In my program I want to push one scene to another ...
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1answer
154 views

Walking Sprite animation Cocos2D [closed]

I am new to cocos2D development. Basically I want to develop game in which i want to move sprite forward with walking kind animation, must look real. Any help will be appreciated.
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1answer
181 views

How set and count Angle of sprite (turret) object in portrait mode in cocos2d?

I am new in cocos2d.I follow Raywenderlich tutorial series. I wish to set turrets in below of the screen in portrait mode.when user touch that location fire bullet and turret fire position at the ...