Objective-C is a general-purpose, high-level, object-oriented programming language. It's mainly used for game development on Apple iOS and Mac OS devices, however it's not limitied to this platforms.
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Do features of SpriteKit follow MVC
I am currently working on an iOS project called Old Frank that I have been trying to follow a MVC design pattern.
The gist of it is.
GameObjects(model) <- Scene(controller) -> Sprites "SpriteKit" ...
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3answers
66 views
Finding neighboring coordinates on offset tile map
I have a grid of hexagonal tiles. Every other row is slightly offset for visual reasons. Imagine a player touches any tile - I need to compare the coordinate of that tile, with any tile they touch ...
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0answers
45 views
Making a card game [closed]
I'm making a card game, for mainly knowledge reasons. My tendency to learn so far has been to create and struggle through to have the knowledge at the end.
However, I've never made a game before. My ...
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3answers
206 views
How to approach 360 degree snake without having it “slide”
There's a great question here that helps me a little bit in what I want to do, and it explains it quite well:
How To Approach 360 Degree Snake
Basically, I want to have a smooth 360-degrees Snake ...
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0answers
15 views
iOS / Gamekit - Leaderboards empty after adding in 3 values from different accounts
I am trying to query for the high score and rank of a player on a leaderboard. I am using some code found on the Apple website:
- (void) retrieveTopTenScores
{
GKLeaderboard *leaderboardRequest = ...
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0answers
25 views
Reverting 2d canvas?
I'm making a multiplayer game which involves drawing lines. It's based this game: http://curvefever.com/sites/default/files/resize/remote/ef86488088c618df13b34f8b87aafd4e-1107x808.jpg. The game is ...
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1answer
42 views
memorizing button tap code iOS game
I'm using a single view app in Xcode 6.1 for my game with Storyboards. Not unity or sprite kit. It's a small game not even 3MB. Anyways, I created un-lockable characters with a BOOLEAN.
...
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0answers
51 views
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 CCNode which holds a bundle of other CCNode (about 500), i called ...
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30 views
CCActionMoveBy doesnot working properly when the action called for many of the sprite in cocos2d
I have an issue with CCActionMoveBy when I call the movement action for many of my sprites. I need to move to a certain position and then remove it from the scene.
My problem is If the call the ...
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0answers
62 views
Cocos2D v3 CCParallaxNode scrolling can't keep player in focus
I am very fresher to game development and I need to develop a game like NinjaJump.
I have created a CCParallaxNode to setup scrolling background and added CCPhysicsNode to setup Physics world. I have ...
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1answer
113 views
How can I test if an oriented rectangle contains another oriented rectangle?
I have the following situation:
To detect whether is the red rectangle is inside orange area I use this function:
- (BOOL)isTile:(CGPoint)tile insideCustomAreaMin:(CGPoint)min max:(CGPoint)max {
...
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1answer
86 views
Scrolling effect after touch
i'm making map for a game and need to make scrolling of map, so the main thing what i need is to calculate speed and move layer after player remove finger from screen.
I make it my own, but i think ...
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0answers
84 views
sprite kit xcode CGPoint
Hi I am a newbie in this sprite kit xcode.
So I am planning to place three cards on the view which I add them to the background. However I wanted to combine two of the cards and replace the first ...
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1answer
238 views
How should I structure my code to add enemies?
So I am currently making a 1942-style game in Sprite Kit. I've reached the point where I am finished implementing pretty much everything (movement, shooting (also recognizing a hit and exploding an ...
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1answer
153 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 touch event ends.
Based on my ...
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0answers
58 views
CCTextField won't appear
I can't seem to add a CCTextField in my physics node, I tried all different methods, but it's still not happening.
Here's my code:
CCTextField *tf = [[CCTextField alloc] init];
tf.contentSize = ...
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1answer
133 views
Error running an Action in Cocos2d-x
In my game I have a "rocket" type and I want to run a sequence of actions on it. At first it must run an explosion animation and then remove itself from the game. For this I used the following code, ...
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0answers
28 views
How can i get latency when using Game Center?
I'm pretty new to network programming. Basically I'm using game center for making a relatively simple iPhone game using Game-center p2p. However i'm now working on a algorithm to improve the ...
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0answers
25 views
How can I fix latency problems for car game? [duplicate]
Basically I'm trying to make a online car racing game for IOS using Game Center real time multiplayer. I have setup a timer that sends data every 0.02 seconds to the other player with the current ...
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0answers
170 views
Cocos2dx InApp Purchase for ios
I am trying to integrate In App Purchases in my app made by using cocos2d x c++. I am using easyNdk Helper for In App Purchases. My In App Purchases works perfectly for my Objective C apps. But for ...
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vote
1answer
232 views
applyAngularVelocity causes error when called right after object instantiation
I'm trying to make a physicsBody rotate as soon as it is instantiated.
CCNode* ball = [CCBReader load:@"Ball"];
[ball.physicsBody applyForce:force];
[ball.physicsBody ...
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1answer
89 views
Manually remove inactive CCParticleSystem from scene?
When using particle systems that have a lifetime, with CCParticleSystem and its derived classes, should I manually remove the finished systems from their parent nodes once the particle animations are ...
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1answer
422 views
I need some help with stopping individual sound effects in OALSimpleAudio
I'm trying to find out how to stop a specific sound effect rather than having to stop all of them.
I'm using OALSimpleAudio.
I can't seem to find how to do it. simple google searches result in ...
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0answers
34 views
How to calculate positions and randoms in scene. SpriteKit [duplicate]
So here is a code :
static inline CGFloat randomInRange(CGFloat low, CGFloat high) {
CGFloat value = arc4random_uniform(UINT32_MAX) / (CGFloat)UINT32_MAX;
return value * (high - low) +low;
}
...
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1answer
797 views
Spritebuilder and CCScrollView, page indicators not showing up?
I'm using Spritebuilder to make my game, and CCScrollView usually saves me quite a bit of time. I'm trying to implement the scroll view much in the same way as the home screen on an iphone uses the ...
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votes
1answer
155 views
How can I implement Objective-C libraries in Unity?
I've been a "hardcore" developer for sometime now, as I've always worked with pure code reactive rendering, and contributed to Cocos2d library some time ago , (It is the one I used for my games) . But ...
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1answer
221 views
Incorrect sprite rotation with atan2() [duplicate]
I want to rotate a sprite so that it faces the mouse cursor/screen touch location. Currently I'm using the following method to compute the angle of rotation. The input position is the target point the ...
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vote
1answer
806 views
Preload in cocos2d v3
I'm trying to create a preload, but i don't know how to implement the code of this topic in cocos2d iphone v3. Since CCTextureCache has changed to CCTexture, and doesn't have sharedTextureCache ...
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2answers
58 views
Count number of CCNodes of a certain class on a layer
Pretty simple question. I'm working in Objective C (cocos2d) and I'm trying to count the number of a sprites of a certain class are present on the current layer being displayed. For example, I have a ...
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1answer
279 views
try to create CCSpriteFrame but get nil values
I'm trying to animate a CCSprite in cocos2d v3 following this question, but I'm getting the following error message in Log:
Terminating app due to uncaught exception 'NSInvalidArgumentException', ...
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1answer
94 views
Box2d stopping the movement of an object
I am in the process of making a game and I need an object to move only when the buttons are pressed. I have a method that begins the movement, and so far I am ending the movement of an object by ...
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0answers
94 views
How can i stack up tiles for Connect4 objective C? [closed]
I am trying to learn Objective C and iOS programming. And I'm trying to build a Connect Four. So Far i got this.
I've been looking around and asking around but I haven't got the answer to my ...
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votes
1answer
111 views
How can I develop a game for iOS? [closed]
I have a Mac arriving in the next few weeks, and plan to program a 2d game. I know a little bit of Java but nothing about Objective C. I've heard about cocos2d -- it seems good but I don't know ...
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1answer
535 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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1answer
196 views
Help with concrete examples of Perlin Noise variables for terrain generation
I believe this question can help beginner game developers. I've looked through a dozen or so answers on perlin noise here and on Stackoverflow, and found only 1 concrete implementation of perlin noise ...
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0answers
37 views
How to implement a property with a base value and a changed value? [duplicate]
I have a number of stats and effects in game that are subject to change, they have some kind of base value and the current value. For stats, I implemented this in a dynamic way, but for less important ...
2
votes
2answers
147 views
Architecture - how to refer to skills/abilities internally within code?
I have about 60 skills within my game, which are loaded from a JSON file. Each skill is a subclass of a skill object and has attributes like range, cost, target type, etc. Currently each skill has an ...
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1answer
170 views
How to centralize stat/feat/equipment related changes in an RPG?
I have a game with an RPG system where derived stats, like HP,armor, etc depend on a variety of components: armor, stats and feats. I'm running into an issue where the code to change derived metrics ...
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1answer
116 views
Where can I find info on grid based algorithms for stateless AI? [closed]
There seems to be an overwhelming amount of info out there on AI of all kinds, and it's kind hard to digest at once.
For my testing purposes, I'm creating a "typical stateless AI", as described in ...
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1answer
82 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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votes
1answer
386 views
cocos2d collision detection between two ccsprites i am using boundingBox but this method is not working [closed]
I am making a cocos2d side scroller and I am currently putting collision detection in. I have an enemy that shoots at the player. I want to have the bullets disappear when they hit the player. The ...
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1answer
115 views
Designing a four-directional movement control
I'm developing an RPG for iOS. Currently, I plan my controls to look like this:
So the user can interact with objects, people, etc. by tapping on the right side of the screen, and moves by swiping ...
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votes
1answer
705 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 ...
2
votes
2answers
210 views
How do I make an equipped item affect the equipper?
I'm making a small text-based adventure in Objective-C. I have a Player class with four properties which represent the player's attributes (strength, agility, stamina, and intelligence). I also have a ...
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0answers
261 views
Image Texture Tracing Algorithm - Cocos2D Box2D
Context: I am working on a 2D Destructible Terrain engine for Cocos2D with Box2D. All images, when a level loads, have their border's traced and cached for the purposes of forming Box2D b2EdgeShape ...
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1answer
290 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 ...
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1answer
949 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 ...
1
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1answer
165 views
Determining explosion radius damage - Circle to Rectangle 2D
One of the Cocos2D games I am working on has circular explosion effects. These explosion effects need to deal a percentage of their set maximum damage to all game characters (represented by ...
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0answers
377 views
Objective-C Moving UIView along a curved path
I'm not sure if I am approaching this the correct way. In my app, when a user touches the screen I capture the point and create an arc from a fixed point to that touch point. I then want to move a ...
1
vote
1answer
382 views
Mixing Objective-C and C++: Game Loop Parts
I'm trying to write all of my game in C++ except for drawing and game loop timing. Those parts are going to be in Objective-C for iOS.
Right now, I have ViewController handling the update cycle, but ...
