Questions tagged [spritekit]
Sprite Kit is a 2D rendering engine from Apple for iOS and OS X games. It provides rendering and animation for sprites, basic sound playback support and physics simulation.
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Rotating 2D sprite around tilted Y axis
I am building a sprite that I want to spin along an axis. I am using SpriteKit on iOS for this, but I'm sure that the question is not really tool specific.
In my case, I have a sprite such as:
and I ...
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Grouping "touching" nodes of the same color together
I am trying to make a very simple game that allows the user to tap on any "block" in the scene and "pop" it. If the block is blue and touching another blue block then both blocks ...
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In an Entity-Component-System architecture how should my map be represented?
I'm migrating a 2D game I've been making using only SpriteKit to an ECS architecture using GameplayKit, and I'm still a bit clueless on how to achieve this. I think I got the gist of ECS, but yet, I'...
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Choosing Number of Points and PPI Resolution To Future-Proof Game Images
I'm working on an iOS SpriteKit game and I'm currently designing some images to be used as character animations in Photoshop. There are many different iPhones with various screen sizes and resolutions,...
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How can I prevent the camera going out of bounds?
I've been working on a Mario Bros clone for the first level, trying to learn how to make games with SpriteKit.
I'm trying to use an ...
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How can I remove sprites when they are outside viewport, but then add them again if I return to their location to save memory
I'm creating an open-world RPG like Neverwinter nights. But I’m worried about memory and am afraid if I just populate a huge world with physics based sprite nodes, I won't have any memory for anything ...
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Advice on how to organise the levels in a game
I'm thinking of building a 2D platformer game similar to Super Mario Bros, but I'm in the planning process and realised I don't really have a good way of storing information about each level – where ...
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tvOS game launch image shows on simulator but not on device
I’ve set up a launch image in XCode and it does show up in the simulator, but on the Apple TV it just displays a blurry gray background. The image is the correct size and doesn’t have any transparency....
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How to calculate falling speed in spritekit?
Is there a way to calculate falling speed based on physics body settings, instead of waiting it to fall and getting velocity?
I would like to find what time it takes for object to fall from defined ...
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libgdx onto existing IOS and Android App, Feasiblity and App Size
I am an IOS developer, my client has an existing app which they want to add some simple microgames onto. The main requirement is that the app size footprint is as small as possible.
I suggested that ...
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Use GKEntity's component(ofType:) with inheritance
I'm writing a SpriteKit game in swift and making use of GameplayKit's entity-component system. There are many components that do different stuff but share the same methods in which they do it, so I ...
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Simulate wind affecting a boat using a 2D physics engine like Box2D or SpriteKit?
I'm looking for a way to simulate the forces created by wind and how it affects a boat.
In a nutshell: if wind hits a boat (sailing yacht), the bow is aligning with the wind and if the wind is strong ...
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calculating the trajectory of an object in SpriteKit when an impulse is applied to it
I want to make a trajectory line of little balls of where the object is going to go after an impulse, sort of like what is in Angry Birds. I did some research and it seems that the physics in ...
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Breaking up a map so countries can be colored separately in Spritekit
I'm currently trying to build a little strategy game where players take control of countries on an world. Each player's countries are represented by having a different color background but as each ...
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How can I make a sprite slow down to the speed of another sprite while following it?
I'm making a SpriteKit game where two SpriteNodes are in a maze. That maze is represented as a grid. One sprite (A) travels faster than the other (B). Items randomly pop up, and the sprites have to ...
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Surprisingly, in SpriteKit game engine, "deltaTime" is not frame time?
In Apple's cocos-like 2D enginer, SpriteKit, they have what they call a custom field:
...
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Don't know what to do with XML file and Spritesheet (Swift 3)
I'm new to spritesheets and game development in general. I have two files:
1) a .png spritesheet with tons of sprites and
2) a companion XML file with coordinates, anchor points, image names, and ...
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One SKSpriteNode with multiple PhysicsBodies?
I am making a game similar to Lunar Lander, when you land with your ship on different objects, etc... The issue I am having is that I have a Player SKSpriteNode (my Ship) with a slightly complex ...
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Swift Spritekit: Create realistic driving sprite
How would I go by creating a realistic driving experience?
I'm using iOS Swift 3 with SpriteKit using the functions applyForce to accelerate when I click the gas button and when braking I add ...
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How to adapt a webgl shader using mouse position to have symmetrical behaviour
I'm trying to create a particular kind of effect for the background of my SpriteKit game, and I've found some shaders on shadertoy that are close to what I want, but I'm struggling to adapt them to do ...
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Drawing an isometric characters: solutions for aiming
I decided to implement an isometric 2D game for iPhone, using SpriteKit and GameplayKit, and Inkscape/GIMP as graphic tools. I prefer vectorial graphics because as a iOS programmer I am required to ...
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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 ...
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2D Infinite scrolling terrain on two axes
There seems to be a lot of posts about endlessly scrolling backgrounds on one axis, but not much for a 2-axis solution. As Josh Petrie suggested, I'm posting my approach as an answer to see if anyone ...
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SpriteKit SKTileMapNode with Tileset Integration
SpriteKit supports tile maps as of iOS 10 and has a pretty powerful engine. Only, I am having trouble discovering if it is possible, and how to natively create, tile sets directly from a tileset image....
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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 ...
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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 ...
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SpriteKit and Swift or Objective-C [closed]
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 ...
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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:
...
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Making Bigger Touch Space in Node Using SpriteKit And Objective-C
I am trying to make simple game, but I have a problem. The node is too small. On iPhones with smaller screen size, the finger can't move it. On iPad and on simulator, however, the node can be moved ...
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How could I achieve an iOS high detailed level design for a platformer?
I'm seeing a lot of games that use a predefined and repeating set of tiles for their level (like FlappyBird or the Super Mario game series).
I'm a graphics designer so I would like to create levels ...
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Isometric scene in SpriteKit
I tried play with spritekit in isometric grid. But i can't understand how to fix level.
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What is an equivalent of Swift's UIScreen.mainScreen().bounds in Unity 2d?
Basically, I am from a Swift SpriteKit background where UIScreen.mainScreen().bounds is a CGRect which represents the screen and can be manipulated in various ways ...
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How to determine contact bodies when multiple bodies overlap and a third makes contact with both at the same time
I understand how the below DidBeginConact function works, but how do you detect which categories make contact when you have multiple colored bars (in the example code) or a friend category and enemy ...
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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 ...
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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, ...
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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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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 {
<...
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2D Soccer Goal Net
I want to make a 2D soccer game on iOS, I started with SpriteKit and got the ball physics working.
Now, I could make the goal simple and static, but I'd love to make it make it elastic like a real ...
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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 ...
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What is Sprite Kit capable of? [closed]
I am messing around with Game Maker in my free time. I learned some Java at school but never really understood the object oriented principles. When I got to know Game Maker I was surprised that game ...
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Sprite orbiting on a point
I was wondering how to make a Sprite do an orbit on a determinated point in SpriteKit. I tried to set the anchorPoint of the Sprite orbiting with the center point ...
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SpriteKit Obj-C – How to add a force on a node a certain distance according to screen size
I have an SKSpriteNode that I'm trying to throw up to a certain point on the screen. I've tried applying an impulse and/or force according to the screen size, but that has strange results. I've also ...
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Objective-C SpriteKit – How to make a circle of buttons [closed]
I have some code in a project already, but I'd like to change it up a bit. Currently, my code creates an empty node called _buttonLayer and then create some buttons ...
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How to implement 'Fog of War' in SpriteKit or Cocos2D?
Take a look at the image below from the game Warcraft 2. There's a darkened area (like a fog) that represents the limits of the 'field of view' -- to the effect that you would not see any enemy ...
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How should I use Monte Carlo method to simulate some police cars that keep patroling in a tile based map?
I have a tile map (isometric) and I have some police cars that they patrol all the time on the map, there is some building and other cars in map too so they are considered as constraints in my ...
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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 ...
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How to calculate final force vector for the SKSpriteNode
I am creating space game which has an effect similar to black hole's gravitational effect. Wherever the spaceship is going, the black hole will attract it, summing up all the vectors together.
I know ...
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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 ...
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Can I use physics in Isometric map based games?
I am trying to use physics in my game which is an isometric map based strategy game that the player deals with a city full of buildings, roads and people in it. I am writing the game with Swift and ...
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How should I set camera in Blender for example to render a sprite which can be used in an isometric map?
I am trying to render some 3D model in blender and use them as a texture sprite in a game which uses Apple’s SpriteKit.
I have an isometric map with tiles size : 32 as width and 24 as height, Since I ...
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