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

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How to move a sprite on a slope in chipmunk Spacemanager [duplicate]

Possible Duplicate: How to move the object(tanker ) on slope image in chipmunk Spacemanager I have used one polygon shape image (terrain) in my game. It's just like a mountain, and now I ...
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4answers
2k views

Include Box2D libraries to a cocos2d project (iOS)

I have a problem including box2D to my cocos2d project. I've tried different ways to do it with no success. This is what I've done: I downloaded Box2D (Box2D_v2.2.1) to my project directory. Dragged ...
5
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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: ...
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1answer
244 views

Need ideas on how to give my levels structure [closed]

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. ...
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1answer
936 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 ...
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1answer
854 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?
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2answers
608 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 ...
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4answers
12k views

What are the pros and cons of GameSalad versus Cocos2D?

I am currently using the Cocos2D framework for creating my game but I just happened to come across GameSalad and was amazed by this video. GameSalad claims to allow you to create games without ...
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1answer
946 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 ...
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1answer
524 views

Cocos2D Accelerometer Z axis

I am making a 2D scroller game where the player controls an airplane via the accelerometer I would like to know if it is possible to scale in and to scale out the sprite/airplane using the ...
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3answers
1k views

Sprite Animation Software That Works With Cocos2D [closed]

So the title basically says it all. I'm looking for software that would help me to create sprite animations that I could use with cocos2d by allowing me to pose a a sprite and the software create ...
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1answer
3k 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
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1answer
400 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 ...
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1answer
327 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
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1answer
2k views

How to make Moving road/track for android game? [closed]

I am very much new to Android game development. and i have little idea about the canvas and open GL. in one of my requirement i wanted to draw a moving road/track(Jazzy). how should i start. please ...
3
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1answer
8k 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 ...
4
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2answers
3k views

Rendering shadow sprites in cocos2d-x

I am writing a 2D game with cocos2d-x. I want to put a "shadow" sprite on a background sprite using the equation: MAX(0, Cd * 1 - Cs * S) where Cd is the destination color (that is, a background ...
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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 ...
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1answer
670 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 ...
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0answers
697 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 ...
2
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2answers
630 views

Z-order for cocos2d top-down game with sprite batching

I'm trying to understand how to create z-order system like you can see in http://www.realmofthemadgod.com/ Character is above the tree when he is in front of it and vice versa. Also, I'm planning to ...
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1answer
378 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.
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2answers
5k 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 ...
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1answer
738 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 ...
2
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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 ...
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2answers
848 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 ?
2
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4answers
934 views

Changing background images frequently within a specific time range with Cocos2D

I am working on a game development project for Android. We use the Cocos2d framework. I have to design a page which contains two background images, I need to switch these images repeatedly within ...
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1answer
163 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
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0answers
553 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
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1answer
3k 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"> ...
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1answer
621 views

How can I solve these errors when using SimpleAudioEngine?

I want to use SimpleAudioEngine for the music in a cocos2d game I'm working on. When I import SimpleAudioEngine.h in my game layer I get syntax errors in CVPixelBuffer.h and CMFormatDescription.h. ...
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1answer
273 views

Why does this CCSprite subclass code throw an exception?

I have one problem in inheriting CCSprites in Java. Here is part of my code: public class Block extends CCSprite { static Block temp=null; static Block newBlock(tetrominoTypes blockType) { ...
4
votes
4answers
485 views

semi 3d walls, should I use sprite sheet or render them 3d?

I'm going to develop a game and this is just a prototype of it's graphics. Knowing that my primary target platform is iPhone, I'm wondering if it's better to create a spritesheet containing all ...
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1answer
1k views

How do I implement a subclass of CCSprite?

Can someone tell me how to subclass CCSprite on Android? I've added this snippet of code into my CharacterSprite: public static CharacterSprite sprite(String fileName) { return new ...
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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: ...
0
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1answer
372 views

How useful would it be to know a scripting language when developing an iOS game? [duplicate]

Possible Duplicate: Why do we use scripts in development? I just starting learning iOS game development. I plan to make games using the cocos2d framework. While reading game dev related ...
2
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2answers
2k views

Detecting right/left collisions with a bounding box

I'm building a platformer in cocos2d, my first game project. I'm working on movement and collision detection. I'm using a tilemap with a "meta" layer of invisible blocks that are designated ...
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2answers
3k views

How can I handle a touch event in cocos2d for Android?

How can I handle a touch event in cocos2d for Android? And how to move a sprite using ccTouchesMoved?
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1answer
603 views

Dynamic bodies with Parallax Scrolling

I have an object that has a dynamic body. Currently, I'm setting it's position to follow the sprite when the parallax layer move. After a certain event, the object suppose to fall to the ground. ...
-2
votes
1answer
2k views

Objective-C to Java conversion for porting iPhone apps to Android?

can anybody help me to convert this objective-c code to android java. - (void)ccTouchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { if (_mouseJoint != NULL) return; UITouch *myTouch = ...
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2answers
997 views

Would a box2D sensor fit my needs?

I have a object in my game that when the main character hits it, all I want to do is have the object explode and then notify the character object that a hit has occurred. Would I use a b2Body and ...
3
votes
1answer
726 views

How do you get textures out of a png file

I have 1 png of many different textures. I want to use these textures in my iphone game using cocos2d. I found the program "Zwoptex" where you can combine many textures to one png and create a plist ...
-1
votes
1answer
314 views

Insert object at index, when two objects collide

I have two arrays: one for projectiles, and one for targets. Every target and every projectile has tag, and a tag with color (source code I took from Ray Wanderlich). In my small game, when a ...
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2answers
841 views

Cocos 2D putting things on the cocos thread or not?

We are using Cocos 2D for Android and are unsure if it's a good thing to execute our non-ui tasks on the Cocos thread as a way to get the animations in our game to pause. What is the recommended ...
0
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2answers
242 views

Slow motion of a spherical object on an blunt slant obstacle

In cocos2d environment and box2D when an spherical object falls on a blunt slant obstacle, it moves really slowly, that's nauseating, if you have coded to not to have any interaction with world while ...
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1answer
294 views

Is it any good to make play game in zoom condition?

I'm developing a game with large obstacle and sprites(in cocos2d+box2d for iPhone), then after zooming out my sprites and layer (by increasing cameraZ), I make my game to play by user, which causes ...
0
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1answer
854 views

Help implementing virtual d-pad

Short Version: I am trying to move a player around on a tilemap, keeping it centered on its tile, while smoothly controlling it with SneakyInput virtual Joystick. My movement is jumpy and hard to ...
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1answer
507 views

Did first generation Pokemon games use event driven input or poll based input?

Did the first generation Pokemon games for gameboy poll for the d-pad state or was the input state done based on events? I'm currently trying to implement a similar control and I'm interested in ...
4
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1answer
2k views

Should I be subclassing CCSprites?

When I am working with cocos2d I can add CCSprites to the layer or 'stage' and manipulate them. Now, to do my ongoing calculations for movement AI and such, things that will always run, should I: ...
2
votes
1answer
2k views

Programmatically set color of Box2D body's sprite or image

In my basic Cocos2D + Box2D iPhone app I have a bunch of circular Box2D bodies. I'd like to change the color of the circles programatically. What's the easiest way to do this? So far I'm just ...