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Questions tagged [ios]

iOS is an operating system for mobile devices created by Apple Inc. It runs on the iPhone, iPad, and iPod touch.

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2 votes
1 answer
533 views

Xcode Build Failure: Unity Framework Error -> Undefined Symbol (IL2CPP Related)

I've been building Unity iOS projects to iOS devices for years and I've rarely had issues with errors in Xcode. This is probably because I rarely change anything in the Xcode project and just use ...
1 vote
1 answer
773 views

How to debug UnityGfxDeviceWorker (34): EXC_RESOURCE RESOURCE_TYPE_MEMORY error on an iOS device?

How does one debug this Xcode error on an iOS device? Debug - UnityGfxDeviceWorker (34): EXC_RESOURCE RESOURCE_TYPE_MEMORY
0 votes
0 answers
87 views

Huge framerate drops in an empty scene - what is going on?

I would really appreciate you guys helping me out with a baffling problem I am experiencing. I have a near-empty scene. It has one object, i.e., a ball bouncing in it, targeting 60FPS. I am deploying ...
0 votes
1 answer
33 views

Apple Watch Intermediary Script with Unity or Remake Game in Xcode?

there. I had a question that I keep finding dead ends to. Is it possible to create a Unity iOS project that has the ability to talk to a WatchOS app? I know that there's no current way to build it ...
1 vote
1 answer
89 views

Are moddable apps allowed in the Apple App Store?

While reading the App Store Review Guidelines, it was said : (iv) They may not download or install standalone apps, kexts, additional code, or resources to add functionality or significantly change ...
5 votes
1 answer
2k views

Unity Capture And Display Live Camera Feed

I want to display the video using the device camera on specific part of the screen on iOS, android and Editor. I was able to find the WebCamTexture which display the camera video on the Quad (3D ...
0 votes
1 answer
529 views

Unity 2020.1.8f1 cannot build xcode project for iOS

We recently updated a project to Unity 2020.1.8f1 But it will not build the xcode project for iOS because of missing plist key value pairs. This is really weird cus, before, I would build the xcode ...
1 vote
1 answer
286 views

Stuck trying to build UE for iOS on Mac

I am trying to build an AR game for iOS, using a custom build of Unreal Engine 5.1.1, on an Apple Silicon (M1 Max) Macbook Pro. (I have to use a custom branch of UE5 because there is a problem with ...
2 votes
1 answer
466 views

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'...
0 votes
0 answers
89 views

How to adjust resolution to display only in portrait mode for both phones and tablet devices?

I am facing an issue where I'm able to adjust the resolution for different phones like Android and iOS but not for tablet devices. Is there any way to set it, for all kinds of devices, to display only ...
0 votes
0 answers
21 views

Game character in the browser game appears on Android, but not on iOS

I have a problem with rendering the game on mobile platforms (the game is written on the Impact.js), the problem is only with the iOS actually, the screenshot below shows that the characters are ...
0 votes
0 answers
20 views

SKNodes in a grid configuration get out of place after falling to fill gaps

I am making a “simple” game where the user will “pop” blocks by tapping on “clusters” of blocks. When the user taps it destroys the “cluster” of blocks, the other blocks move down to fill in the ...
0 votes
1 answer
39 views

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 ...
0 votes
0 answers
72 views

Xcode gives plenty of Undefined Symbol: Firebase_App error

I Build my Unity project to Xcode, trying to install it on ios device. It gives errors like as follow ...
24 votes
5 answers
20k views

How to achieve uniform speed of movement on a bezier curve?

I'm trying to move an image along Bezier curve. This is how I do it: ...
-2 votes
1 answer
167 views

Application.Open URL [closed]

I am developing a simple application on Unity, on a Mac. I am trying to open an URL with the simple command Application.OpenURL on visual studio when it doesn't work : When I start to write ...
1 vote
0 answers
148 views

Very high energy impact and frame drops on iOS

I have created a mobile 3D game and now I am running it on an iOS device. It works well and runs at about about 25 fps. But after a while, about 2-3 minutes, it drops to 15 - 18 frames per second. My ...
0 votes
0 answers
106 views

Unity Remote 5 iOS Auto Rotation Stretch the Game

I'm using Unity to make an iOS app and have been testing it with Unity Remote 5 on a 4th gen iPad Air. With auto-rotation enabled (the one in ...
1 vote
1 answer
1k views

How can I obtain the file size of a Unity build at runtime?

I'm wondering if it is possible to obtain the filesize of a game's build at runtime. Searching this topic only yields results for reducing the build size, which is not at all what I'm looking for.
2 votes
1 answer
660 views

How do I apply touches to images, using Swift? [closed]

I need code this game for iOS, using Swift; but I don't know how to apply touches to images, using Swift. My attempts thus far have failed; touch!.view != image. <...
0 votes
0 answers
27 views

Does Unity iOS build process have a signature?

I'm interested in the detailed process that happens when Unity Editor builds iOS at this step: - Xcode project is generated by Unity with all the required libraries, precompiled .NET code, and ...
5 votes
1 answer
567 views

UIView with IrrlichtScene [closed]

i have a UIViewController in a Storyboard and want to draw a IrrlichtScene in this View Controller. My Code: WWSViewController.h ...
5 votes
1 answer
6k views

Why do my sprites have a dark shadow/line/frame surrounding the texture?

I'm starting OpenGL with Apple's GLKit hand I'm having some trouble to get my sprites displayed properly. The Problem is that they all are surrounded with thin dark lines. The screen shot below shows ...
0 votes
1 answer
1k views

Quit from Unity to native iOS app

I'm working on iOS application which is going to include a few unity games. And I investigate an opportunity to exit from the Unity game to the native iOS app with games list. I know that the Unity ...
1 vote
1 answer
482 views

Which gesture recognizer should I use to handle multiple simultaneous flicks?

So, if you can picture a game with little ninjas running down at you, and a bunch of shurikens at the bottom of the screen, you're picturing the set-up I'm addressing. I want the player to be able ...
2 votes
1 answer
771 views

Showing keyboard on SKScene and performing action on a sprite node based on key tapped

I am trying to learn SpriteKit and play with some simple sample apps. Currently I am trying to achieve below things: Show keyboard over SKScene If user taps 'A', perform some action on a sprite ...
0 votes
0 answers
279 views

How to open local PDF file on iOS

I am using Application.OpenURL to open pdf files in standalone desktop builds, but when I used iOS platform it simply did not work. Then, I found on official docs ...
1 vote
0 answers
283 views

Mobile device heat up. What time before it heats up is considered good? Android/IOS Unity [closed]

could not find anything that answers this in a detailed way ? I managed to optimise the game to the point that the device heat up(real heat up and frame drop) only after 90 min of continuous gameplay. ...
1 vote
1 answer
357 views

How can I use tilt sensor in iOS iPad to steer a car? [closed]

I am an absolute beginner with Unreal Engine. I am working on a car racing project. I need to navigate my car left and right using tilt I read tilt sensor value then break vector to (X,Y,Z) As show in ...
0 votes
1 answer
105 views

Adding second light hides the first on iOS unless quality is set to high

When I add a light in the scene then the light will show on the ground, but when I add a second light, neither of them show on the ground. One light: Add second light: My light is a spot light, and ...
-1 votes
1 answer
135 views

Can I use Libgdx to create a game that runs on multiple platforms?

I created my first game using Libgdx and Android Studio. The game runs smoothly on my Android phone. How can I run it on an Apple phone with IOS or a computer with Linux etc.?
3 votes
2 answers
271 views

Facebook login using Godot 3.1 in iOS

In my game I have to integrate Facebook login. I searched about custom modules and all. I found one but it not working in ios and its for older version. Any help would be appreciated
3 votes
3 answers
870 views

Is there a grey-area with Copyright infringement?

Currently a student, I'm trying to put together a game for iOS. From everywhere I've read, it seems any game's sound and art are apart of their IP and covered under their Copyright. That being said, ...
0 votes
1 answer
301 views

Why does iOS packaging fail when I activate Apple ARKit plugins in Unreal Engine?

Steps, Using Unreal Engine 4.21.2 1 - I created new Third Person game from the Unreal Engine template and named it FaceARSample 2 - I imported a skeletal mesh with blend shapes 3 - I added this to ...
0 votes
1 answer
332 views

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,...
4 votes
2 answers
2k 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: ...
0 votes
1 answer
240 views

Java 2d game cross-platform compatability

I need to make a few small, simple 2d educational games primarily to help kids improve their reading. Drag & drop/matching words with pictures, spelling out words as well as maybe a scrolling ...
0 votes
0 answers
201 views

How to architect push notifications in a Unity app that is using a PHP back-end for in-app notifications?

I'm working on a mobile game for a client. The tech stack is following: Unity for iOS / Android app Unity Cloud for building the apps Firebase for event analytics PHP/Symfony + PostgreSQL for back-...
4 votes
2 answers
4k views

How to not cover up the Android/iOS top status bar (eg. with time, network/wifi icons) in mobile Unity app?

I am making an Android/iOS mobile app in Unity. Currently, when I build it and install it (for example from APK to Android) it loads completely full screen covering up the top phone status bar which ...
6 votes
1 answer
1k 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 ...
2 votes
1 answer
3k views

How to play audio in Unity when a mobile game runs in the background or the screen is locked?

I am trying to make a 3D audio player with a retro cassette-like interface. The first thing is to make audio playable smartphone-wise, even when the game is in the background or when the screen is ...
1 vote
1 answer
546 views

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 ...
4 votes
3 answers
4k views

HIGH energy consumption in Empty Scene Unity iOS

I am struggling from quite long about this issue where I am having High Energy Impact in Unity 2019.2.16f1 on iOS platform and it doesn't matter which device I am using. It occurs on iPhone6 to ...
0 votes
1 answer
381 views

How can I scale the SCNPhysicsShape when scaling a SCNNode?

I wrote a script that would match all models to one size, no matter the original size of the source model. So now these models fit precisely in the scene, but unfortunately when I add ...
0 votes
1 answer
266 views

Call native code from Unity iOS build error

I created NativeCallProxy.cs in Unity ...
0 votes
0 answers
69 views

How can we implement tick rate on iOS?

I am really new to gaming development. For my multi-player game, I want to send my gaming update to the server 64 times per second. Is it a good idea to use ...
4 votes
3 answers
9k views

In what size should i design sprites for unity iOS? [closed]

I am developing a 2D platform game in unity.I have conceptualised the game and have to design the art assets/sprites, but the problem is at what resolution or size do i design them? If I target the ...
1 vote
0 answers
631 views

How to work with PS5 DualSense's haptics on Mac OS or iOS?

FMOD's latest release a few weeks ago has some great new features for authoring haptics! Detailed Revision History discussing features. However, the features are only available on Windows, not Mac. ...
3 votes
0 answers
109 views

How can we use an iPhone camera as a webcam on Windows?

I am developing a game on Windows and I want to use my iPhone 11p as a webcam (for video streaming). I saw some tutorial videos on YouTube, yet they only work for development on iOS platform in Unity. ...
2 votes
3 answers
8k views

How do I know when the app is launched, loses focus and gets focus again on mobile?

I searched in Unity Documentation but there are no information. I'd like to know which methods is called and what it returns in the following scenarios on Android: App initially starts App goes in ...

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