Questions tagged [cocos2d-iphone]

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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Tiny Unity for Cross Platform Game [closed]

I want to develop a game for IOS,ANDROID and FB Instant platform. I want to write code for once, So If I go with Tiny Unity then two issues here, Unity is still in the phase of fully integrating c# ...
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1answer
381 views

how to improve sprite animations to reduce FPS

My game has different, and detailed animations throughout the game. For example, the main character has an idle stance, so its not just painted still, giving him some life. Death animation, hurt ...
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1answer
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Why the AnchorPoint doesn't affect the `CCLayer` Positioning?

I think there is a difference between the CCLayer and CCNode behavior when I change their AnchorPoint. I will describe what I mean and please somebody explain it. Scenario: I start with ...
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1answer
432 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 ...
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2answers
440 views

Cocos2d savegame cctmxtiledmap

my game features several tilemaps that are initially loaded from a tmx file and modified during gameplay. How can I save the changed tilemaps in a save game? Will NSCoding do the trick here or is the ...
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3answers
2k views

How to determine an irregular area of a CCSprite?

In my simple game I use boundingBox for pick coins and other stuff, but I need use irregular area detection of Sprite(with out Alpha)... There is alternative to boundingBox? Here is code: ...
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4answers
12k views

How to achieve uniform speed of movement on a bezier curve?

I'm trying to move an image along Bezier curve. This is how I do it: ...
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2answers
2k 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
199 views

Drawing texture does not work anymore with a small amount of triangles

When I draw lines, the vertices are well connected. But when I draw the texture inside the triangles, it only works with i<4 in the for loop, otherwise with <...
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2answers
833 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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1answer
702 views

Do I need to roll my own polygon segmentation algorithm to automate Box2d body creation from a tile map?

Before re-inventing the wheel I figured I'd ask: I'm working on a tile-based 2d-maze level generator for cocos2d + box2d. The idea is: I'm using one of the well-known graph traversal algorithms to ...
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2answers
1k views

Collision detection on a 2D hexagonal grid

I'm making a casual grid-based 2D iPhone game using Cocos2D. The grid is a "staggered" hex-like grid consisting of uniformly sized and spaced discs. It looks something like this: I've stored the grid ...
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How to properly add texture to multi-fixture/shape b2Body

Hello to everyone this is my first poste here I hope that will be not fail start. At start I must say I make part 1 in Ray's Tutorial "How To Make A Game Like Fruit Ninja With Box2D and Cocos2D". But ...
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7answers
3k views

Separation of drawing and logic in games

I'm a developer that's just now starting to mess around with game development. I'm a .Net guy, so I've messed with XNA and am now playing around with Cocos2d for the iPhone. My question really is more ...
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1answer
686 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. I'...
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2answers
372 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
101 views

Cocosdenshion and Android not working

I'm trying to play sounds and music with cocos2d. When I run on iPhone and .caf files the audio is perfect, but on Android it is not playing the background music and is only playing 2 sounds of 10 ...
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2answers
2k 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 ...
4
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1answer
313 views

Cocos-2D asteroids style movement (iOS)

So I have a CCSprite subclass, well call this Spaceship. Spaceship needs to move on a loop, until I say othersise by calling a method. The method should look ...
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1answer
1k views

How to make and correctly use progress bar in cocos2d-iphone?

I have a game that uses a progress bar to inform player of level of certain stats of the player. For example hunger, when it starts at zero and slowly adds up to maximum bar. When he eats the hunger ...
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1answer
385 views

Cocos2D V3 Blur effect performance test without iOS device

I am testing the blur effect (CCEffectBlur) in Cocos 2D V3 and I found that when I add an effect to an EffectNode it takes up to ...
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2answers
689 views

Cocos2d: Moving background on update: offsett issue

working with Objective C, iOS and Cocos2d I am developing a vertical scrolling shooter game for iPhone (retina display models with 640 width x 960 height pixel resolution). My basic algorithm works ...
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1answer
1k views

Board Game Design in Cocos2d

I am going to start a chess like board game. And for that I have reviewed a number of things available. One is http://www.mapeditor.org/, using which you can create a grid base games. Another option ...
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4answers
1k views

iPhone Game framework on top of cocos2d? [closed]

I am using cocos2d to develop iPhone game, however, it is just an 2D engine and developer is too flexible to use them - i.e. codes tends to be unmanageable. Are there any more high level framework ...
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1answer
341 views

What is the current state of 2D game SDK's [closed]

There seem to be so many to choose from. SDL Cocos2D-x Cocos2D-iphone Corona Unity I am having a very hard time looking these over to decide why I want to use one over the other. Advice on what and ...
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2answers
596 views

Importance of scripting engine at Cocos2d Game Engine

Each Game Engine is different and solves different problems in different ways, so the engine design does vary greatly from engine to engine (even though a lot of principles are shared from engine to ...
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1answer
1k views

3d transformation of game world keeping gameplay 2d - COCOS2D 2.0

I want to rotate the game world, may be loading another .tmx file for another dimensions when user want to switch dimension. The effect what I am looking for is something like the 'side' transition ...
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0answers
28 views

How do I transition a cocos2d scene to a UiViewController?

My project is a cocos2d game project, but I added a UIViewController for the initial log in. The first scene is the splash logo, followed by the menu screen, but I ...
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0answers
335 views

Detect Sprites, they are in Shape or Not which random draw in Cocos2d

I have searched a lot on the web and found some helpful links but none solve my question. Link 1 Link 2 I have written some code, to draw lines with Touch methods, but I still have questions. Here ...
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1answer
1k views

Cocos2d Box2d contact listener call different method in collided object

I have the building object, when it collides with another object I want to call some method inside it. Building.mm ...
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2answers
1k 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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1answer
669 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 ...
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4answers
545 views

How to achieve 'forward' movement (into the screen) using Cocos2D?

I'm interested in creating a 2.5D first-person shooter (like Doom) and I currently don't understand how to implement the player moving forward. The player will also be able to browse around the world (...
3
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1answer
851 views

How can I load a large tile map with cocos2d?

I am try to design a cocos2d game with a big world. The world's tile map is very big, maybe 20 iPad screen sizes worth of tiles. I want to know how to load this using a ...
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2answers
2k views

How do I simulate a swinging pendulum?

I want to simulate a rope with a weight attached, swinging back and forth like a pendulum. Any actual physics is overkill; it's just endlessly repeating the same motion. JQuery has a the "swing" ease ...
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1answer
666 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: ...
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1answer
439 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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0answers
119 views

Cocos2d How do I transition to a scene

So I have mainScene and I have LogoScene, I am wondering If i can make logoscene show a logo, then transition to mainscene. here is what i have ...
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3answers
346 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 ...
3
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2answers
1k views

Cocos2d v2.0 and OpenGL 2.0/1.0: where to start

I started developing my very first game 3 months ago using Cocos2d 2.0 for iPhone. I am now in the stage where I'd like to add some cool effects to the bullets and some special weapons (see my ...
3
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5answers
14k views

What are the pros and cons of GameSalad versus Cocos2D? [closed]

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
87 views

Is there any way in open-gl to “bit crush” everything on the screen?

I am making an educational game and am looking for options for a visual effect to show when something is "incorrect". So, I am looking to see if there's an easy way in openGL to temporarily distort ...
3
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1answer
2k 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: http://www.cocos2d-iphone.org/forums/topic/pixel-perfect-...
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1answer
24 views

Why does the Texture placement of my CCSprite slightly shift when changing it's location?

So I've been seeing this issue for a while now. When using a delta method to change the location of a CCSprite, the placement of texture of my sprite slightly moves into the direction where I'm headed,...
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2answers
3k views

Cocos2D - How to move sprite on the X axis, using the accelerometer

I'm trying to make a vertical shooter, using Cocos2D and a few tutorials. Unfortunately, most tutorials only show how to make an horizontal shooter. Still, I tried to adapt the code from a horizontal ...
2
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1answer
682 views

How can I cause the latest touch event to interrupt a prior event in Cocos2D?

In Cocos2D for iPhone, I want the latest touch event to interrupt another and ignore the last touch. Let me know if I need to elaborate more, but basically my game consists of a lot of finger dragging,...
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2answers
140 views

How to define axis of Sprites in a CCAnimation?

I'm struggling to find how to define a kind of axis in my frames, when my sprite punches it moves back. I want to define the head as a pivot for the other sprites with different sizes. How can I ...
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3answers
794 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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1answer
767 views

How to implement 'Fog of War' in SpriteKit or Cocos2D?

Take a look at the image below from the game Warcraft 2. There's a darkened area (like a fog) that represents the limits of the 'field of view' -- to the effect that you would not see any enemy ...
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0answers
67 views

Cross-platform game to be wrapped into a native iOS/Android app

I need to build an app like Lumosity (https://play.google.com/store/apps/details?id=com.lumoslabs.lumosity) that is native app and have some game screens. So the question is: Is there a way to build ...