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

learn more… | top users | synonyms

4
votes
1answer
448 views

Cocos2d: Tongue effect like in Munch Time

I'm wanting to do a tongue effect for my character like the one in Munch Time( shown in pic ). The player does some action and his tongue attaches to the nearest platform. I'm thinking this is ...
1
vote
2answers
603 views

Using two joysticks in Cocos2D

Here is what I am trying to do: With the left joystick the player can steer the figure and with the right joystick it can attack. Problem is that the left joystick seems to get all the input, the ...
3
votes
1answer
375 views

Smoothing rotation

I've spent the last three days trying to work out how to rotate a sprite smoothly depending on the velocity.x value of the sprite. I'm using this: float Proportion = 9.5; float maxDiff = 200; float ...
0
votes
1answer
208 views

Rotation based on x coordinate and x velocity?

-(void) accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration { float deceleration = 0.3f, sensitivity = 8.0f, maxVelocity = 150; // adjust velocity based on ...
0
votes
2answers
1k views

Top down water view, cocos2d

Has anyone successfully created a top down view of a stream/river? I need to also work out how to make it look like a boat is cutting through the water.
0
votes
1answer
600 views

Cocos2D: Change animation based on joystick direction

I'm trying to get my figure to look in the right directions, based on the input of the joystick. So if I tilt left it looks left and the left animation is used, if I used right, it looks right and ...
2
votes
1answer
355 views

Image 1 becomes image 2 with sliding effect from left to right?

I would like to show a second image appearing while a "door" is closing on my character. I've got my character in the middle of the screen and a door coming from the left. When the door passes my ...
-1
votes
1answer
152 views

Make a CCSprite come up from bottom of the screen in intervals

I have a cocos2d iOS app. I have a CCSprite that I need to come up from the bottom of the screen every few seconds (like 2 or 3 seconds). How would I do this?
0
votes
1answer
863 views

Shaders in Cocos2d 2.0

I'm thinking of using cocos2d 2.0 for my next project and am wanting to know if it's possible to have a shader that renders to a texture and that texture be input into another shader? I have a few ...
3
votes
2answers
3k views

Cocos2d rotating sprite while moving with CCBezierBy

I've done my moving actions which consists of sequences of CCBezierBy. However I would like the sprite to rotate by following the direction of the movement (like an airplane). How sould I do this with ...
2
votes
1answer
380 views

Cocos2d particle system

I have a fire particle emitter in my project and I have it following a football. My goal is to make the football look like it is on fire but the problem is when I add it to the screen it can only be ...
6
votes
1answer
569 views

Puzzle game: clipping of non-convex polygons on the figures

I have an original figure in the SVG file. I need to break it randomly on parts, an example of which is specified below: I have an idea, to use for partitioning Voronoi diagram (Fortune's algorithm). ...
1
vote
1answer
2k views

Best way to create a level editor in java [closed]

I am creating an iPhone game using cocos2d + box2d that needs a lot of levels. My friends and I are creating the game and most of them have no programming experience and end up with nothing to do. I ...
1
vote
2answers
2k views

Problem using ccTouchesEnded/ccTouchesBegan to move sprite in cocos2d-x?

I'm using ccTouchesBegan/ccTouchesEnded to move sprite from one point to another but I'm having problem, if i give two or more consecutive inputs one by one while sprite is moving(runAction is being ...
-4
votes
1answer
390 views

“Null Pointer Exception” Animating sprite in cocos2d android [closed]

I am converting this monkey jump game tutorial in android. I have done til monkey sliding right to left and left to right but I am stuck in the part of monkey walking animation. I have tried but ...
1
vote
2answers
613 views

CCSpriteFrameCache: Frame '%s' not found

I have just started using the Cocos2D library for Android. I am trying to make a walking bear animation. For that I am using a CCSpriteFrameCache, but I'm getting a "frame not found" error in the ...
1
vote
0answers
226 views

Cocos2D and iPhone's accelerometer

good afternoon! Today I've started to develop a game and I got a trouble. So, first at all I would like to say that I have no experience developing games... So, I've a CCSprite in the layer and I ...
3
votes
2answers
6k views

Create an infinite scroll using CCParallaxNode in Cocos2D-X

I'm trying to create an infinite scroll using two images in a CCParallaxNode, making one move to the end of the scroll when it gets off the screen. I have tried several implementations but none has ...
1
vote
3answers
477 views

How to expose game data in the game without a singelton?

I'm quite new to cocos2d and games programming, and am currently I am writing a game that is currently in Prototype stage. Everything is going okay, but I've realized a potentially big problem and I ...
0
votes
1answer
425 views

How do I manage the visibility of enemy spawn locations in a long scrolling shooter?

How do I handle the situation of an enemy spawn place being visible on a screen in a scrolling shooter? The tutorials I have seen are about setting all the enemies on a whole map only. But it is not ...
-1
votes
1answer
244 views

How to integrate ad mob ads in cocos2d android portal?

Could anybody tell me how to integrate ad mob ads in my cocos2d android app.
1
vote
1answer
540 views

How can I place a ProgressBar in Android using Cocos 2d?

I want to place a horizontal progress bar in my Android application and I want to change its progress color. I used the following code, but the progress bar is not being displayed. CCProgressTimer ...
-1
votes
1answer
217 views

Need ideas on how to give my levels structure

I am making an iOS game for a project at school. It is going to be a tiny bit like Fruit Ninja, as in it will have different things on the screen, and when you hit them, they die, and you get points. ...
1
vote
2answers
823 views

Cocos2d: Adding a CCSequence to a CCArray

I have a problem with an action performed by a sprite. I have one CCSequence in a CCArray and I have an scheduled method (is called every 5 seconds) that make the sprite run the action. The action is ...
2
votes
2answers
642 views

Importing a windows project into android using cocos2d-x

What I am trying to do today is to import a full project to Android, but no tutorials are available for that that I have seen. My approach was to create a new android project, copy all the classes and ...
5
votes
2answers
2k views

How to make animated buttons in a menu with Cocos2d?

How do I make animated menus with cocos2d, I just want to animate the buttons and not the entire scene. Effects I look for is flipping buttons (like the back of the button is the next menu), buttons ...
2
votes
0answers
923 views

Opening URL in browser using C++ with cocos2d-x in iOS [closed]

I'm banging my brain against the wonderful lib xport that is cocos2d-x from the original cocos2d iOS library. What I want to ask is how to open a web link in the safari browser? I don' know how to ...
1
vote
0answers
300 views

Which game engine is more worthwhile for mobile game development [closed]

I have been thinking of starting to learn mobile game development. I recently learned that there are three popular game engines available for android: AndEngine cocos2d-android libGdx you guys ...
3
votes
2answers
319 views

How to move the object(tanker ) on slope image in chipmunk Spacemanager

I have used one polygon shape image (terrain)in my game its just like mountain and now i want to move the tanker on mountain path from one direction to other and then its turn on touching of the ...
5
votes
1answer
2k views

Creating an isometric map with hexagonal tiles for iPad

I'm new to game development, so I need a little help. I have to write down a little game which has a floor with hexagonal tiles but it must be seen in a isometric view like The Sims. Ignoring the ...
5
votes
1answer
2k views

(Why) Should I choose Unity 3 or Cocos2d (or something third) for my app? [closed]

My colleague and me made an HTML 5 iPad game ( http://braille.gandzo.com/ ) and we would like to upgrade it, and our framweork is not enoguh, for what we want. Some of the things we would change are: ...
0
votes
1answer
662 views

glBlendFunc transparency in cocos2d?

GL_ONE, GL_ONE This makes the flamingoes transparent on: http://www.andersriggelsen.dk/glblendfunc.php but not in cocos2d using: sprite.blendFunc = (ccBlendFunc){GL_ONE, GL_ONE} How can I achieve ...
0
votes
1answer
619 views

How do I perform a slice effect like Fruit Ninja?

I want to do slice effect like in Fruit Ninja. Is there any class in Cocos2D like CCBlade? How can I use the CCBlade in Cocos2D on Android?
1
vote
1answer
330 views

How can I create a curved line composed of images?

I have 50 little images. All are connected each other, as in a line, sort of like a cord. I want to move one of the node images and have the rest follow along like a cord, so they become a curve.
1
vote
2answers
532 views

Cocos2D: TileMap performance question

I´ve got a question regarding TileMaps. Each level in my game is going to be determined by the length of the tile map. I would like to create a map that will be about 5 mins (in length) long. I want ...
0
votes
1answer
746 views

Cocos2d: how to add anchor points to CCSpriteBatchNode

I am doing some tests with animations in Cocos2D using sprite-sheets. The animation works ok except that the anchor-point is in the center. I need to put it in the bottom. With the code below i am not ...
1
vote
1answer
2k views

How to create a splash (loading) screen in cocos2d for Android?

How to create a splash (loading) screen in cocos2d for Android? I need a loading screen that shows my app name and after that the next scene will show automatically. Thanks
0
votes
1answer
354 views

Determining the X, Y co-ordinates in sprite sheets

I am new to Android COCOS2D and developing a simple game to start with. I am developing a game for kids in which the kids shall spell out the names of the fruits they select. I have developed the ...
0
votes
1answer
3k views

How do I animate a spritesheet in cocos2d Android

I'm trying to animate a sprite in a spritesheet, the goal is to make the character walk from left to right. I subclassed CCSprite: CharacterSprite. this is my code: ...
1
vote
2answers
634 views

How can I disable/dim the screen when I click the pause button?

I am working in an android game using cocos2d. I want to dim the background screen when I click the pause button. How can I do this ?
-1
votes
1answer
263 views

Touching on the particular sprite from the spritesheet

I want to click on the particular sprite from the sprite sheet. For instance i have fruits sprite sheet i want to click on the particular fruit. Thanks, Jubin Mehta
1
vote
1answer
563 views

How can I scroll sprites when swiping using Cocos2D?

I'm adding 3 sprites (layers) to CCParallaxNode: BGLayer = [CCSprite spriteWithFile:@"Layer.png"]; [_backgroundNode addChild:BGLayer z:2 parallaxRatio:layer1Speed ...
2
votes
1answer
7k views

cocos3d versus Unity for simple IOS 3D games?

Wondering if anyone here happens to have experience in doing some simple 3D based games/apps for IOS, using cocos3d & Unity and could give some pointers....questions I have are: GENERAL 1) It ...
2
votes
2answers
2k views

Cocos2d Composition using CCSpriteBatchNode

I'm making a game in objective-c using cocos2d. I have the following: @interface Player : CCNode { CCSprite *mySprite; CCSpriteBatchNode *sceneSpriteBatchNode; //... } @property ...
1
vote
0answers
505 views

How to Store the game score in android cocos2d

I calculates the score in game project using android cocos2d, in that game after finishing the first level it goes to the next level, so i want to store that first level score and also add next level ...
4
votes
1answer
4k views

How to create endless scrolling landscape using coco2d's CCParallaxNode

I created a horizontally scrolling landscape using CCParallaxNode. However it does not seem to support endless scrolling in one direction. As soon as the first image "ends" the background shines ...
2
votes
1answer
2k views

Objective-c Cocos2d moving a sprite

I hope someone knows how to do the following with cocos2d: I want a sprite to move but not in a single line by using [cocosGuy runAction: [CCMoveTo actionWithDuration:1 position:location]]; What ...
-4
votes
1answer
153 views

How can I initialize 15-20 sprites with the same starting position?

How can I load 15-20 sprites in Cocos2D at the same point (ccp(20,20), which is an alias for CGPointMake) using NSArray? This is what I'm doing now, and it doesn't work: int i,endvalue=3; ...
2
votes
0answers
503 views

How to create a collidable map with tiled for cocos2d (Android)? [closed]

I am using cocos2d to create a game for Android. I am making a map in Tiled Map Editor and added a property to the ground tiles. The property name is Collidable and its value is True. Now I have ...
4
votes
1answer
2k views

In cocos2d's plist output, what are 'offset,' 'colorSourceRect,' and these other fields?

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> ...