Swift is a multi-paradigm, compiled programming language.
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7 views
How to access the object of Navigation graph in spirit scene editor
I am working with spritkit and draw a scene by the help of spirit scene editor in xcode. According to spritkit, we can use Navigation graph to draw the paths and I can able to draw path using ...
0
votes
0answers
16 views
given 4 points on a textured sphere extract a 2d plane and it's projected texture
Setting the scene I'm working on a feature in scenekit where i have a camera at the center of a sphere. The sphere has a texture wrapped around it. Let's say it was a 360 degree image captured inside ...
3
votes
0answers
36 views
How to determine the angular velocity needed move an object to a given position
I am trying to move two lines joint to a fixed position sprite in a way similar to that of a pendulum. I would like the lines to swing from end to end each time. The image below shows what I want to ...
0
votes
0answers
30 views
Modelling game entities with relationships (Spritekit)
I'm currently developing a turn based game in spritekit (swift 3) and I've got to a point where the way I've modelled the relationships between some objects doesn't seem as efficient as it could be.
...
1
vote
1answer
112 views
How can I create the water-like blur effect in Chameleon Run using SpriteKit and Unity?
As the character in Chameleon Run runs, a water-like blur effect is created. I would really appreciate some guidelines on how I could create this effect in SpriteKit and Unity. Please see the image ...
0
votes
1answer
175 views
The object can't rotate around z axis in SceneKit
I am doing an app with a functionality like a 3D compass, it can point to the direction where I want. The code is
extension AR: CLLocationManagerDelegate{
func locationManager(_ manager: ...
1
vote
0answers
67 views
Swift gamedev options for linux [closed]
I recently tried out Swift. I found it to be awesome. But I'm unable to find any libraries for game development as I'm on Linux. Everything seems to be made for MacOS & iOS development.
There ...
0
votes
0answers
86 views
Testing for connected maze cells
I'm currently in the middle of writing a game where there is a maze. The maze itself is already drawn ok, and once I have the layout I randomly rotate all the pieces.
I have a 'start' cell that is a ...
1
vote
0answers
229 views
Fatal error: unexpectedly found nil while unwrapping an Optional value [closed]
I am trying to run this code but I keep on getting this error:
fatal error: unexpectedly found nil while unwrapping an Optional value
I don't understand why I'm getting it. Any hint?
import ...
1
vote
1answer
401 views
Tile based movement with SKAction (Xcode 8, Tile Map)
I am trying to make a game where the Hero can move like in Pokemon with SKActions.
But the movement looks unprofessional and have delays.
How can we handle to move the Hero smoothly with SKActions ...
1
vote
1answer
154 views
SpriteKit and Swift or Objective-C
As a newbie to iOS programming, I'm wondering which of these would be more conducive to the type of game I want to program. I've been tasked to program an iOS game for my company. They asked me to do ...
0
votes
1answer
477 views
How can I create a “wireframe” texture for a sphere in SceneKit?
I've been struggling to figure this out. I would like to have a sphere in SceneKit that looks like this:
I think the easiest way would be to create a mostly transparent texture with the wireframe ...
4
votes
1answer
684 views
How do I pixelate a scene with SceneKit and Metal, in Swift?
I managed to get pixelation working by using the OpenGLES2 rendering API, and a CIFilter. But it was way too slow, so I want to use the Metal API and just have a very simple filter that pixelates ...
0
votes
1answer
38 views
Should the Sprites in my Boids implementation be backed by model objects?
This question is about the proper way to architect an implementation of Craig Reynolds Boids algorithm.
I have an Agent object like this:
struct Agent: Equatable
{
let identifier = ...
0
votes
1answer
278 views
CPU and RAM usage in OpenGL too high in Swift
My game is set up so the the display controls the game loop, usual in Cocoa. The callback function calls run() which is this. The thing is, the thread running the callback is using 63% CPU and the RAM ...
0
votes
1answer
209 views
Collision Between SKSpriteNode and SKShapeNode
Im trying to create a collision between to objects. one is a SKSpriteNode and the other is a SKShapenode. the Code I have so far for Contact is :
func didBeginContact( contact: SKPhysicsContact) {
...
1
vote
0answers
145 views
Failed to pass uniform in Metal shader modifier
I'm trying to write a simple shader able to pass the color to be used for drawing in the fragment shader, through a uniform. I load the shader modifier and pass the uniform:
let fragmentShaderPath =...
2
votes
0answers
254 views
How to add a bump map in scene kit?
I'm trying to draw an Earth, as I've found the textures in this site: http://planetpixelemporium.com/earth.html
I loaded the diffuse, specular and bump maps:
let earthGeometry = SCNSphere(radius: ...
2
votes
1answer
656 views
Is it possible to use Metal and SceneKit at the same time?
All the tutorials that I've found online speak about using Metal alone, without any other supporting library. But I don't understand if it's possible to create a SceneKit game and then use a Metal ...
0
votes
1answer
45 views
How can I increase the hit range of a node?
How can I set the radius or the hit range of a node initialized with a texture? Of course I can do that with increasing the size of it, but actually I want to do this without resizing the picture ...
1
vote
0answers
94 views
How do I simulate vehicle movement in a non-gravity environment (e.g., space)?
As a series of small experiments, I've began to tinker with game development, specifically using SpriteKit and Swift. I'm looking to simulate a body moving through a non-gravity environment, ...
0
votes
1answer
894 views
Why is SCNNode.rotation property a four dimensional vector?
I don't understand why SCNNode's rotation property is a SCNVector4 instead of a SCNVector3. The documentation states that:
The four-component rotation vector specifies the direction of the rotation ...
-1
votes
1answer
123 views
SceneKit – White layer covering my tube
I have a simple tube node in my scene that isn't displaying properly.
When I rotate it to face the camera, more than half of it is covered by some invisible sheet. When I rotate the tube enough, it ...
3
votes
1answer
178 views
Pathfinding: longest route along tiles of same type
I'm programming a simple tile-based puzzle game, and I've gotten stuck trying to work out a pathfinding algorithm.
Here's how the game is set out:
The game board is (arbitrarily) 8 tiles wide by 8 ...
-1
votes
1answer
182 views
Fix buttons on screen
I've added buttons and SKCameraNode for my player. I got problem. When player moving left/right/jump all buttons dont follow for him.
UPDATE
class GameScene: SKScene, SKPhysicsContactDelegate {
...
0
votes
1answer
131 views
How to reregister gamecontroller changedvalue handler upon game scene reload
I'm working on a tvOS game that uses the siri gamepad controller. Everything works fine the first time out. If the user loses the round I reload the same scene using presentScene. After reloading the ...
0
votes
1answer
64 views
Resources for making iPhone apps in C++? [closed]
I would like to start making games for the iPhone and I only know C++. I have picked up a book on Swift development, and through my research I have found it is possible to create iPhone games through ...
-2
votes
1answer
281 views
Is it possible to use Box2D or Chipmunk in Swift & Cocos2d?
I am new to iOs programming.
I wonder whether it is possible to use Box2D physic engine in Cocos2D with Swift. I am asking because I started to learn Swift. And I create Xcode project from ...
2
votes
1answer
231 views
Get Stencil buffer working iOS OpenGL ES 2.0
I have been trying to get this work but either get black screen or reporting error when using XCode to analyze the GL code like below. Any help appreciated. I am using Swift here if that making a ...
1
vote
0answers
81 views
swift fast enumeration on MDLAsset not working
I load an MDLAsset from my main bundle and get an compile error when fast iterating the asset object.
Type 'MDLAsset' does not conform to protocol 'SequenceType'
Documentation says it does support ...
0
votes
1answer
62 views
Does Apple allow customers to play over Bluetooth?
I'm a beginner in app development so sorry if my question is cheap :(
I wanted to start developing a card game and i was wondering if apple allows customers to play over Bluetooth or not ( on ...
1
vote
1answer
643 views
spritekit sidescroller how to move hero through the level
I am trying to learn spritekit by working my way through developing a simple side scrolling game, but I cannot find a clear answer on how to move the hero through the level.
The width of my ground ...
2
votes
1answer
306 views
Collisions between sprites in SpriteKit
I'm making a game in XCode using SpriteKit. The game has a player and different types of projectiles that he has to avoid. When the player collides with the projectiles, the score changes and the ...
0
votes
2answers
240 views
Where should I save game object's attributes (hp, score) in Swift?
Scenario: I have a game with several game objects on screen. Each can have different score and hitpoints. When I use collision detection for cannonball vs. ship (example) I need to know which ship is ...
0
votes
1answer
93 views
How to use objects with different attribute values in Swift?
I think this is a really basic question and to make it easier to understand what I do not understand, I use the following scenario.
Scenario: I have two or more ships in my game. They should have ...
1
vote
1answer
485 views
How can I avoid a delay with continues touch detection in swift?
I want control a character on my screen with a continuous swipe gesture. As soon as I do a swipe +x or -x my character moves left or right. And as long as I hold my finger it continuous to move to the ...
0
votes
1answer
578 views
Is it possible to detect contact with every frame change when using an animation in SpriteKit?
Is it possible to detect contact with every frame change when using an animation in SpriteKit? For example, if I have two nodes of a person walking, I want to detect contact with the ground each time ...
0
votes
1answer
245 views
How to choose a SKSpriteNode randomly?
I want to choose from 4 enemies using random and present it on scene. For that purpose I've made this:
func enemyPicker() -> SKSpriteNode {
var enemyArray = [mouse, robot, drone, block, bird]
var ...
0
votes
1answer
82 views
How to assign a button in the main storyboard to launch the GameViewController.swift file
I am quite new to swift and I have constructed a main menu in the main.storyboard file, how do I assign the 'Play Now' button to launch the GameViewController.swift file where I actually plan to ...
1
vote
1answer
525 views
problem with SCNTransaction in Scene Kit
I'm trying to move an object over a period of ten seconds from y coordinate 0 to y coordinate 10. the object is created at y coordinate 0. The problem is when the animation starts, the object pops ...
