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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1answer
597 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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0answers
524 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
160 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
207 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 ...
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1answer
114 views

Fast Forward Drawing using ACEdrawingView

i am using this : https://github.com/acerbetti/ACEDrawingView i want to implemented one Functionality in which i want Fast drawing by clicking on a Button. i am drawing points on screen. i have ...
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0answers
332 views

Cocos2D - Simulating infinite scrolling

I have a BIG problem!! I want to make something like old space shooter games like “Asteroids”, where the ship, when going out of the screen, is reappearing at the other side. For example, when the ...
0
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1answer
92 views

Create body on a sprite (box2D)

I'm quite experimented in objective C, but now i'm tried cocos2D and his features. I need to add a body on a spritesheet (if possible on a classic 'UIImageView'), in order to detect collisions after. ...
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2answers
501 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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0answers
549 views

Cocos2d-x CCFollow Zooming issue

Hi I am currently building a cocos2d-x game which incorporates pinch zoom using CCLayerPanZoom class which can be found here The problem is basically when using CCFollow and zooming and out, it ...
2
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1answer
151 views

iOS Game that Runs Continuously in Background

I'm trying to understand the most logical way of creating an iOS game that runs continuously in the background. For example.. you have tower and enemy waves. The game has endless enemy waves even ...
0
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1answer
137 views

Move background with the player location

I want to move background with player location in ios . I have implemented the infinite parallax background by using the CCParallax class but i don't need it. I want to do something similar to this ...
0
votes
1answer
90 views

Getting a sprite from multiple sprites for right material pattern

Not sure how accurate the question was but I'll put it this way. I'm developing a game where player will construct his/her own stuff, like bridge, building etc. using cocos2d-iphone and Box2D. First ...
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3answers
522 views

Getting different x and y coordinates for touched location on a zoomed view

I'm using Cocos2d for developing a game. I need to be able to pan and zoom when necessary, so for this reason I've added CCLayerPanZoom extension to my project. Recently I've noticed a problem with ...
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vote
2answers
118 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 ...
3
votes
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: ...
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1answer
389 views

iOS with cocos2d to MVC or not to MVC?

I am working with cocos2d. All my objects are declared on the CCLayer that I'm using, I have the logic of the game there and all the CCSprites. Should I put the CCSprite for the player and all it's ...
0
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1answer
195 views

How do you align the edges of sprites?

If you have SpriteA and SpriteB. SpriteB is a child of SpriteA. Does anyone have a mechanism to come up with the left, right, top, side of a boundingbox() of SpriteA? What I'd like to do is align ...
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0answers
239 views

How do I find the rotation point given a touch anchor, new position and new rotation?

I've got an Cocos2d layer which anchorPoint, position and rotation (according to http://www.qcmat.com/understanding-anchorpoint-in-cocos2d/) vary when the pinch zoom gestures. Everything works fine. ...
0
votes
1answer
283 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
124 views

Cocos2d When The Loading Screen Scene is loading music

When the loading screen loads objects like music cutscenes, the idea is to preload the objects, so... what should happen next? Do I transfer the objects to the next scene? or these special objects, ...
0
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1answer
900 views

Cocos2d how to correctly preload a spritesheet before the scene start?

I'm working on a game with Objective-C and Cocos2d, the game has a huge number of images, and obviously as I add images on the spritesheet (well yes I'm using spritesheets) the loading time get ...
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0answers
182 views

UITapGestureRecognizer fast tapping not working [closed]

I have initialized UITapGesture as follows: tapGestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleSingleTap:)]; tapGestureRecognizer.numberOfTapsRequired = ...
2
votes
1answer
88 views

Display CCSprites with a delay

I am a beginner in cocos2d and I wanted to display coin CCSprites as soon as it moves off the screen with a 5 second delay. So this is what I wrote in my main gameplay layer to add 7 coins in a row: ...
3
votes
1answer
350 views

How can I apply a “genie animation” to a CCSprite?

I am new to Cocos2D and following this tutorial. I want to animate a CCSprite with the genie effect that OS X uses for hiding windows to the dock and showing them again. Here's an example from an ...
9
votes
2answers
894 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 ...
5
votes
1answer
322 views

How can I implement a “Nyan Cat” rainbow?

I'm currently making a game similar to this Nyan Cat flash game, although I'm using cocos2d. I'm having a hard time trying to make the rainbow effect: Currently, every update call I add a piece of ...
3
votes
3answers
427 views

What is actually loaded during a game's loading screen?

I am at the stage of my game where I have to develop the loading screen. It's actually already there, but I don't know exactly what it should be loading while it's presented. Why would I have a ...
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1answer
1k views

2D Destructible Terrain with Box2D / Cocos2D -> Image Tracing

Bear with me as this will be a rather lengthy post. For the last month I have been working on an open source Cocos2D, Box2D Destructible Terrain Engine. I have some questions regarding its ...
4
votes
1answer
136 views

Is it better to preserve scenes in memory or recreate them every time I need them?

I am using Cocos Builder to create scenes using sceneWithNodeGraphFromFile:owner:. Now I have doubts about whether it's better, on iOS, to save some memory or CPU cycles. In other words I have two ...
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2answers
597 views

Drawing line from sprite with a touch

I am working with cocos2d for the iPhone and I have a question about how to implement the following. I have a circle shaped sprite on my layer. When I touch the sprite and move my finger a line must ...
1
vote
1answer
168 views

CCParticleSystemQuad works as intended every second time

I'm using CCParticleSystemQuad for particles, loading it from plist: flourEmitter = [CCParticleSystemQuad particleWithFile:@"FlourParticles.plist"]; But it works not every time. Every second or ...
1
vote
1answer
236 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 something like - ...
1
vote
1answer
129 views

Ring and Pole - Box2d

How I can make a b2Body in box2d so that it could form a ring which does not collide from the center just like a ring. like when we flick the object and there's another body (like pole), the pole can ...
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0answers
157 views

cocos2d openGL swapbuffers leak [closed]

I am using cocos2d and experiencing a very strange issue. My memory allocation keeps increasing on every drawScene call. I've tracked the problem to the swapBuffers call but I have no idea why this ...
0
votes
1answer
207 views

Simple Bounding Box Multiple Collision problem

I'm making my first game, and in it I use a moving ball to hit static blocks (kinda like breakout). Basically, I loop through all of the static blocks on the screen each frame, update the position ...
0
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1answer
1k views

cocos2d-x - object creation and management in game design

How do others keep track of everything going on in their games? I am working on a new game and I am quickly realizing everything that I need to keep track of. Example: Maybe a layerManager that ...
2
votes
4answers
517 views

Timing - use individual timer for every task or global timer?

I'm writing a game, where a player controls a spaceship. It regenerates energy over time. So I need to make a little timer that adds certain amount of energy to the pool per second. My enemies also ...
0
votes
1answer
57 views

Calling CCRepeaForever on CCLabelTTF Makes Label Not Show Up

I have a CCLabelTTF in the top right hand corner of the view. -(void)scrollScoreLabelAndMonkey{ scoreLabel = [CCLabelTTF labelWithString:@"0000" fontName:@"Marker Felt" fontSize:30 ]; ...
0
votes
1answer
176 views

Set texture of a LHSprite that is loaded from LevelHelper

How do i set the image/texture of an LHSprite that is loaded into xCode using levelHelper & spriteHelper? I am using sprite sheets. So i tried to load the image the old fashioned way using ...
0
votes
1answer
154 views

Projectile immediately intersecting with target

I have a fairly simple and somewhat cookie cutter method for testCollisions: (FYI: BasicProjectile is a CCNode with a CCSprite member). for (BasicProjectile * basicProjectile in ...
1
vote
1answer
322 views

opengles display human face in iphone and animate it?

I need to make a human 2D face to 3D face. I used this link to load an ".obj" file and map the textures. This example is only for cube and pyramid. I loaded a human face ".obj" file. This loads the ...
0
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0answers
126 views

cocos2d - exclude GUI layer transformation

I have a game layer that should be pannable and pinchable and a GUI layer as an overlay that's excluded from the transformations. I added the pinch and pan gesture recognizer to the view and set the ...
0
votes
1answer
664 views

Using depth buffer on a sprite

I am following this guide: http://www.cocos2d-iphone.org/wiki/doku.php/prog_guide:tiled_maps Trying to create a tiled map that also supports multiple layers. The guide says that a way is to use ...
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0answers
344 views

iOS cocos2d - sprite gets stuck in collision detection

I'm developing a top down game in cocos2d and I have collision code that checks collisions between enemies and the player so that they don't go through each other. The code seems to work but the ...
4
votes
1answer
858 views

Collision Filtering in Box2D

I have four bodies in my Box2D World. Each are polygon shape, with some physics parameters. Now when the game start, I need one of the bodies from the World (BodyA) to not be allowed to collide with ...
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0answers
260 views

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

I have searched a lot on web and found some of help ful links as exact my question. Link 1 Link 2 But still i am not success to achieve this, i have done some of code lines, as like draw line by ...
2
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0answers
505 views

Can I use a shader with 2 different textures in Cocos2D (x)?

We are evaluating a variety of different graphic engines for use in our game and we want to be able to use 2 different textures for many of our sprite maps. One sprite map would be the standard RGBA ...
0
votes
1answer
188 views

DPad style movement for AI without using A*

What is the easiest way to implement DPad style movement (No diagonal) for AI without using and A* algorithm? I thought about having the enemy catch up to the player in the Y axis first then the X ...
1
vote
1answer
120 views

TiledMaps and real objects

I'm creating a simple game for the iPhone using Cocos2d. I'm having a hard time understanding how add real objects to a tiled map. I know that you can add an object-layer to the tiled map and set the ...
1
vote
1answer
1k views

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

Using: COCOS2D + iOS. 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 ...