Tagged Questions
-1
votes
0answers
25 views
Applying the vector of a swipe movement to a box2d object
Hi I'm trying to achieve game functionality where the player can place their finger on an object then swipe in a certain direction and apply the speed and velocity of the swipe to the object they have ...
0
votes
0answers
37 views
Catching an object from sky in Cocos2d and Box2d world
My world has a gravity of -9.8 and there are KDynamicBodyType bodies falling from the sky. At the bottom there is a PhysicsSprite with KinematicBodyType. I want the PhysicsSprite to be able to catch ...
0
votes
0answers
40 views
How to select a show and select weapon on touch a bubble that changes continuously weapons! [closed]
hello i need to select a weapon from a floating bubble that changes weapon inside in it !
Bubble must show 2 weapons changing randomly until user taps to gain the weapon
(This lets user gain any bonus ...
0
votes
0answers
36 views
Image is displaying in inverse order cocos2d
I am drawing image in cocos2d using opengl call but image is displaying inverse order, i faced same problem previously that time i used to change value of CC_TEXTURE_NPOT_SUPPORT to 1 from 0 in ...
0
votes
0answers
73 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
0answers
31 views
Check duplicates in the removeList in box2d iphone
sometimes a collision is called twice in that case i need to be check duplicates from the removeList. because of this my application is getting crash or hang.
How can i check duplicates in the ...
-1
votes
1answer
142 views
Parallax With Box2d iphone
I am creating the simple game. In that game car will move and obstacles will come in the car way we will have to save that car from that obstacles.
What I have done. I have created the car with the ...
1
vote
2answers
292 views
8-bit Game: To pre-scale images, or post scale my Cocos2d scene. Which is the better approach?
I'm wanting to develop a game with an 8-bit feel. Since this game is mostly for my personal enjoyment, I've set a requirement that I want my game to have an 8-Bit feel to it that is most similar the ...
0
votes
0answers
169 views
Cocos2d Tiled Dynamic Object Layer
I'm trying to develop a cocos2d tiled based game using a sort of 'dynamic' object layer. What I want to do is after the tiled map is loaded, the user can drag something into the map and that will ...
0
votes
2answers
150 views
Crash due to removal of Elements like CCSprite from NSMutableArray
So, here's how it goes.
I am currently working on Cocos2d game, which consists of many Obstacles. One obstacle gets added on the screen at an interval of 10 seconds like this.
ObstacleSprite* ...
2
votes
1answer
228 views
Wheel rotation, to change velocity of vehicle
I update the velocity of my vehicle like so:
[v setVelocity: ((2 * 3.14 * 100 * (wheel.getRotationValue / 360) / 30)) * gameSpeed]; // update on 60 fps this gets velocity on all frames divide by 60 ...
0
votes
0answers
121 views
Cocos2d update leaking memory
I have a weird issue - my app is leaking memory on device only, not on a simulator. It is leaking if i schedule update method anywhere, on any scene. It is leaking despite update method is empty, ...
1
vote
1answer
1k views
Accelerometer to move player left and right
Please take a look on my code and help me to find problem.
I used this tutorial: COCOS2D_ACCELEROMETER_MOVEMENT
This works only sometime….some time not move..How can I resolve this problem?
Here is ...
2
votes
1answer
146 views
Game speed cubic growth
Is it possible, using delta in my update method to increase a game speed variable exponentially on cubic growth (the blue line below)
My maths isn't great so I'm not sure how the formula would be ...
3
votes
1answer
311 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
181 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 ...
-1
votes
1answer
132 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?
4
votes
1answer
322 views
Organize a game set
I'm developing a endless running game and I'm not really sure on how to make the set. The first approach was to make a BIG set like 10240x3072 pixels so that we have a nice portion of set. After ...
1
vote
0answers
179 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 ...
1
vote
2answers
2k views
How to make game sessions like “with friends” games?
I want to make a game like "words with friends" or "chess with friends" or "Draw Something" or any of the other online multiplayer type games that are based around friends having game sessions with ...
1
vote
2answers
3k 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 ...
2
votes
0answers
563 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
votes
1answer
210 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. ...
2
votes
3answers
5k 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 ...
2
votes
1answer
5k 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 ...
1
vote
1answer
462 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
...
0
votes
0answers
808 views
Cocos2d Box2d how to shoot an object inside the screen [closed]
I have the code below :
- (id) initWithGame:(mainGame*)game {
if ((self = [super init])) {
isTouchEnabled_ = YES;
self.game = game;
CGSize size = [[CCDirector ...
-4
votes
1answer
148 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;
...
-1
votes
1answer
410 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.
...
4
votes
4answers
367 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 ...
0
votes
1answer
320 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 ...
1
vote
1answer
793 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 ...
1
vote
1answer
507 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
594 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
266 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 ...
0
votes
2answers
221 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 ...
-1
votes
1answer
277 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
votes
1answer
644 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 ...
-5
votes
4answers
795 views
Crash when using Cocos2d
Sorry about the poor question title, it's just that this seems to big for a title. So here's the dirt:
I am making a game (obviously) and I want the enemies to shoot (not necessarily at the player). ...
0
votes
1answer
477 views
How do I open the camera in a CCScene node in a Cocos2D application?
I am new to Cocos2D and I can't find the way to open the camera from the library. I want to open the camera in the my game, can any one help me with with this?
Thank you in advance.
3
votes
1answer
1k views
How do you create your levels containing curved slopes in Box2d?
I have just started developing games for iPhone in Cocos2d and am currently working on a Box2D prototype. I know this is not an easy start, but I have experience in the AS3 port of the physics engine. ...
4
votes
3answers
5k views
Tracking Multiple Touches using Hash codes in Cocos2d for iPhone
How do you implement a touch hash code and reference it later? I have read about a "hash" code, but I don't understand how to use it. I want to know when two of my Sprites are touched at the same ...
5
votes
2answers
750 views
On cocos2d, what is better: one monolithic game cycle or many scheduled selectors?
I am building a simple tower defense game, and I have to take a decision between two(or more, feel free to suggest other ways) to do the game cycle.
Option 1: Monolithic game cycle:
I could have a ...
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 ...
1
vote
2answers
368 views
Connect 4 Iphone game
I'm new to game development and development in general, I want to make a Connect 4 game. I have made a few simple game tutorials and I decided I wanted to make my own game now. I figured a connect 4 ...
