Questions tagged [cocos2d]
cocos2d is a free open-source framework for building 2D games, demos, and other graphical/interactive applications.
275 questions
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Box2d: High screen resolution / frequency causes high friction?
I'm using Cocos Creator with (built-in) box2d for physics.
Recently our game behaves weirdly on our new device Galaxy S20 Ultra 5G - which has screen size = 1440 x 3200 - frequency = 120Hz.
After stop ...
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How to take input from featured mobile phone in cocos creator?
I am beginner to cocos creator and I came to know cocos has Keyboard,DeviceMotion and Mouse input event but I want to know how to take input from featured mobile phone having number pad?
Will it be ...
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What is the right way to implement a loading screen in cocos2d-js?
We have two scenes that are loaded with heavy computation; a map screen and a puzzle screen. When we change the scene from A to B, the app gets stuck on scene A for a while before it renders scene B.
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Given the size of far and near plane, find other parameters of a frustum
I am trying to find the correct parameters for setting up my perspective camera. But I don't know the mathematics involved in that. Can somebody point me to the right direction?
My near plane should ...
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Adjusting arms of character while moving
I'm working on a test game in Cocos2d for Python (code is a little dirty). I'm trying to run and shoot at the same time without having my character's (running) legs go back to the beginning position ...
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Help understanding the parkour tutorial in Cocos2d
I was practicing the parkour tutorial for chapter 7, but I failed to understand why we should move the same delta movement of this.gameLayer, which contains the ...
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Make something move when no key is pressed
I am new to game programming and I have a question about my game logic.
In my game there is a balloon that is supposed to collect some stars. the balloon moves with the keyboard. When the balloon ...
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How do I publish a game for the web, using Cocos Creator?
I am new to Cocos Creator and web game programming. I have build a simple game for the web, but I don't know how can I publish it. In the documentation files, it says:
You only need to .zip scripts ...
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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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Cocos2dx launcher - how do I set a newer engine version?
Why doesn't Cocos(V3.10) detect my newer engine version (3.14) which I downloaded and placed into the engine folder? ( I mean the launcher, the all-in-one version where you can create your project ...
user92397
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Socket.io emit textfield
Hello everyone I learned how to emit from socket.io website guides but I was wondering how does the chat example receive its input? For example in my cocos2dx app how do I pass a text field over to ...
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Minimum hardware requirements for developing for iOS and Android with Unity, Cocos2d-x and GameSalad on a Mac
I intend to create iOS and Android games. My main priority is to create 2D games. The software that I’m planing to use are Unity, Cocos2d-x and GameSalad.
I am a bit interest in the Mac Mini, ...
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Cocos2dx - Create the friction of the ground
I'm writing a game, it a pool game.
I've read about cocos2dx + physics library, however the document is really poor to understand.
Material has 3 attributes (http://www.cocos2d-x.org/wiki/Physics#) :
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Batch z-ordering problem in Cocos2d (Python)
I have a weird problem with my hexmap drawing code.
My code uses "squished" hexagons to achieve a pseudo-isometric view. Because of that, the order of drawing them on screen matters a lot.
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Cocos2d JS - Getting vector reflection
I'm working on a small Breakout clone using Cocos2D-JS, without the use of a physics engine.
One of the things that baffles me was how the ball bounces. My friend came up with this:
inputVector - ...
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344
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How to detect collision during a cocos2d::Action
I spent a day trying to hack my own Action class, but given the hurdles I've hit trying to do so, I'm hoping there's some way to work around my problem while still using the built-in (and admittedly ...
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How to set building in sequence like COC game using tiles map in cocos2d-x V3.9?
i am developing game in cocos2d-x V3.9. i want to create base like COC game. set all buildings in sequence and it can't be overlap with each others. i want also make boundary for develop city view. ...
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Black border all around simulation / viewport in iOS using Xamarin + CocosSharp
I'm just getting started with Xamarin and CocosSharp so it's possible I've missed something basic here.. but whatever it is I can't seem to figure it out.
I'm trying to get my app/game to be ...
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android - How Do I Replace A Scene in Cocos2D
I am using Cocos2D for Android:
I have two scenes MainScene and LogoScene. I want to show a Splash screen on ...
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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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Opengles 2.0, Replace the black region in the image to make it transparent
I have two textures, Source image A and Overlay B, B is drawed on top of A, I want to replace the black color in B, then make the region of A visible, what should I do?
This is my shader language:
<...
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Cocos2dx Windows Phone 8.1: Seperate Characters in RTL Label
I use below code to show a text :
auto label = Label::createWithSystemFont("سلام و خداحافظ", "BTitrBold", 24);
( RTL text like Persian, Arabic and Hebrew)
This ...
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`setVelocity` allows body to pass through bodies
In my game, I'm using cocos2d-x and I wanted to have an object that changes direction immediately, so I used setVelocity() on the physics body to do that.
However, ...
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Java - Adjusting the speed of an object during movement
I am trying to get an object to move (on java canvas) in the same angle but at different speed within the X and Y axis. Below you can see how i have implemented the movement of the object.
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Unity equivalent to cocos2D (and Sprite Kit) Actions?
Does Unity have an equivalent to the Actions feature/functionality of cocos2D and Sprite Kit; if so, what is it?
cocos2D Actions:
http://python.cocos2d.org/doc/programming_guide/actions.html
http://...
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How do mobile games create simple UI components? [closed]
How are simple UI inputs typically handled in 2D mobile games? For example, text input boxes and keyboards.
It seems that many game engines do always have simple UI components. There are obvious ...
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Opengles 2.0 multi Textures fade out one by one
I have multi textures, A was drawed on top of B, B was on top of C ...., ( like Picture 1) .I want to fade out A first, then B will appear and fade out either... But when A fade out, background color ...
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Rotate sprite direction Cocos2d
I want that my sprite go always forward, and you can only control his direction moving right and left (on 360 degrees). I don't know why, but the movement it's senseless.
The constants to move and ...
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Error OpenGL null Cocos-2D/Visual Studio [closed]
When I try to execute a game code fully functional on Visual Studio 2013, using Cocos-2D (3.8.1) library this error jumps on screen. (I'm working on a laptop)
OpenGL 1.5 or higher is required (your ...
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Turn Based Game Match Data in iOS
Hi I’m working on turn based game development using turn based API from Apple’s GameKit framework. My game is 2 player strategy game. Currently I’m facing the issue match data update on game play ...
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Cocos framework gives large Android builds than cocos2d-x
This question is regarding Project Architecture and workflow. I have an installation of cocos2d-x and Cocos Studio with Cocos Framework ( version 3.6). I carried out different build tests with hello ...
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Best way to transition between multiple Cocostudio defined scenes
I'm designing a game that has to switch between multiple game scenes. Each scene has been created in cocostudio and is imported into the code as a json file as:
...
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Transition from UIView to CCScene in Cocos2D
I've surfed the internet for quite some time but haven't come to find an answer.
Any help would be greatly appreciated.
I am trying to perform a transition from a UIView to a CCScene
So i have a class ...
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How to move sprite mimicking mouse/touch position on some part of the screen?
I am having a difficulty and I am been doing it wrong, I think. I want to move sprite relatively to touch. Just like when you are playing space shooter like 1943. I just learning some math and try to ...
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How to use Cocos2dJS to connect to a Socket.IO server?
How can I connect to a nodejs socket.io server from a cocos2djs game? I've google all the way to no avail. I tried this but it ...
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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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Change sprite position
I have Sprite and i want change my Sprite position when score == 2
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How do I calculate the path of something in orbit around one or more bodies?
I need to figure out how to calculate the orbit of an object around one or more bodies for a game that I am making (built on Cocos2D-Swift). The game is in two dimensions, so it's a two-dimensional ...
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Right-To-Left Text Direction in Cocos2dx
I want to use Persian/Arabic text beside English in whether Label or ui::Text.
Persian is a Right-to-Left and English is a Left-...
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differences betwen game resolution in a different display resolution
my game is not supported on the other devices with a different resolutions. for example may character is 140w X 55h pixels which is ok on a 4 inch display but it goes wide when i tested my game on a ...
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Cocos2d v3 - addChild method make performance problems
i have currently a performance problem with the addChild method in cocos2d version 3.3. My scenario is currently that i have about ten ...
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cocos2d-js displays only one type of tile from a tmx file
I am using Tiled to produce a tmx which I use in my code using cocos2d-js.
The problem is that when I run it on the browser, a wrong tile gets displayed, the first ...
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Cocos Code IDE unable to find python
I am trying to create a new JavaScript project on Cocos Code IDE but every time it immediately give me the error message:
Unable to find python. Please, click ...
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How to prevent fish eye effect when using CCOrbitCamera in Cocos2D?
Note: I'm using CocosSharp, a Xamarin C# version but the question is valid for all Cocos2D versions I presume. I'm also fine with answers in any Cocos2D dialect (there is no tag yet for CocosSharp ...
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How can I run two CCActions in parallel and another one afterwards with Cocos2D?
With Cocos2D I can run two actions in parallel by simply using runAction and I can use a CCSequence two run several actions ...
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Cocos2dx - Physics - Abort() When Changing Dynamic PhysicBody to Static?
I just learned cocos2dx v3.3 integrated chipmunk physics engine.
Here ,as you see, I create a simple circle with physic as:
...
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How can I use CCClippingNode to trim the top and bottom from a CCTableView?
I'm fairly new to Cocos2d and struggling with sizing a CCTableView. How can its height be controlled so that I have space at the top and the bottom?
I'm trying to ...
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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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