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Delightful SwiftUI effects for your app

Home Page: https://movingparts.io/pow

License: MIT License

Swift 99.72% Ruby 0.28%

ios swiftui animation swift transitions effects particles

pow's People

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dehlen stewartlynch tovkal namanvaishnav mumer92 blazeryoo akankushjnvku trickydev roberthein mohd14shoeb ihaze68 rastersize timi10x manbutianya gg-big-org arturdent asgey rdela yilee01 drunknbass mergesort fogbar mikakruschel divadretlaw rmenezes roeybiran minsone-opensource-fork wb-towa tobi404 grandboum meansai boek matthewcheok jyrnan lchxair giovanninibarbosa gtokman au5ton alexanderkhitev openaiapp honood seki81 zhanggenlove paretersrasc j-matrixintcat scorpipeens iparkelratchapter aigestudio godzillayellowshortga scorpionte-l eatsyouyugi-girlsimon portestu48 broadwarpoi-d ox-softonal alonekaven-y oxtapinear shaps80 readyna-o questan44 hooliday3 maddilook darlinedannis vmanot xiaoxidong swiftworks maskmale 0x1306a94 raynimmo nkukushkin itaybre monkey-x-byte edwinaverse radmakr vitalikkizlov finhane inrtgdje q-time xychlovefhy jiu0929 de30 soltrinox robb shankeysaxena devartistios silexkhan deejayfakiofficial ivancantarino terminatorover carminchameleon bigbearlabs hishd awxkee mcomisso stripes productinfo 7alva7 redone2000 philmitchell ivan-magda staticdreams

pow's Issues

Support CocoaPods

Would you accept a PR that adds a podspec to the repo?

Default "Up to major version" dependency rule in Xcode incompatible with Pow's 0.X versioning

Xcode's "up to major version" dependency by default is 1.0.0 < 2.0.0 which seems to conflict with Pow's 0.3.0 versioning.

> Building for iOS Simulator, but linking in dylib built for iOS

Building for iOS Simulator, but linking in dylib built for iOS, file '/Users/jdavis/Development/Games/LNGames/Pow.framework/Pow' for architecture arm64

I've tried adding the .xcframework and while the project builds and runs fine on device, Xcode previews gives me the above errors. :(

Originally posted by @ismyhc in #6

Feature Request: Support for Repeated Effect.

I couldn't get the animation to work with .repeatForever() .

I would love if there was a way to trigger the Effect every 2 seconds for example

When HStack appears, there is no spring animation, which feels a bit abrupt.

https://movingparts.io/pow#move

Confused about license purchase requirement

The website says usage is free for commercial and non-commercial use, but the library still warns about needing to call Pow.unlockPow(reason: .iDidBuyTheLicense). Of course, I did not buy the license because I can't. I'm curious if this prompt just needs to be removed.

AttributeGraph: cycle detected through attribute xx on macOS

A mini reproductive demo.

import SwiftUI
import Pow

@main
struct DemoApp: App {
    @State private var sheet = false
    
    var body: some Scene {
        WindowGroup {
            Button("Open Sheet") {
                sheet.toggle()
            }
            .sheet(isPresented: $sheet) {
                Text("Demo")
                    .conditionalEffect(.smoke, condition: true)
            }
        }
    }
}

Env:

Xcode 15.2.0 + Swift 5.9.1
macOS 14.4.1

Related Issue: Lakr233/FixTim#10

Importing Pow conditionally on iOS 14

I would like to use Pow in a Swift Package supporting iOS 14:

platforms: [
        .iOS(.v14)
],

I’ve tried to include the package using the condition parameter:

dependencies: [
    .product(name: "Pow", package: "Pow", condition: .when(platforms: [.iOS(.v15), .macCatalyst]))
]

But somehow that doesn't work, Xcode is complaining like so:

Of course I’ll have to put these if #available(iOS 15.0, *) flags every time I use Pow code.

Any idea how to achieve this?

Feature Request: Additional Animation Parameters for Shine ChangeEffect

I hope this is the right place to ask for more fine tuning, but either way thank you very much for the library!

I was trying to use the .shine ChangeEffect for animating a button tap, but the animation duration is too long for my use case. I see that other ChangeEffect's have parameters to try and fine tune the animation, and was hoping that it would be possible to add additional parameters to .shine. While I only want the timing to be faster, I could see the edges being exposed as a parameter being useful to others as well, but I'll leave that to your best discretion.

Happy to provide any more information that may be useful, and thank you again!

Preview videos don't render correctly in Chrome, Firefox

Hi,

Screenshots are not showing.

Glow blocks input on buttons

I'll investigate.

no license

is the code in this repository proprietary or haven't you decided on a license yet?

Expose Custom Parameters For .pulse

Back again with more customizability requests, sorry if they get annoying. Similar to #30 I'm trying to have some control over the timing of this animation. I want make it a little faster and have the pulse expand a little less far out, but as the effect is currently constituted impossible to do.

Thanks as always!

Touch.mp4

0.2.1 Crashes in macOS TestFlight Builds

I'm running into a crash after deploying a Mac app with Pow to TestFlight, at least I believe the issue is Pow-related. The app works fine when I build and run locally from Xcode but it crashes on launch when I download and run the app from TestFlight. I figured this might not be something you've run into since I don't believe you have a Mac version of your demo app, so I've included the crash report below.

Happy to provide any information you may need, hope this crash log helps!

-------------------------------------
Translated Report (Full Report Below)
-------------------------------------

Process:               Short Circuit [3802]
Path:                  /Applications/Short Circuit.app/Contents/MacOS/Short Circuit
Identifier:            com.redpandaclub.quickgpt
Version:               2.0 (118)
App Item ID:           1638522784
Code Type:             ARM-64 (Native)
Parent Process:        launchd [1]
User ID:               501

Date/Time:             2023-04-21 23:07:33.4847 -0400
OS Version:            macOS 13.3 (22E252)
Report Version:        12
Anonymous UUID:        

Sleep/Wake UUID:       D26684FB-2A35-4AF0-9C26-C94B9A47557C

Time Awake Since Boot: 1300000 seconds
Time Since Wake:       1068 seconds

System Integrity Protection: enabled

Crashed Thread:        0

Exception Type:        EXC_CRASH (SIGABRT)
Exception Codes:       0x0000000000000000, 0x0000000000000000

Termination Reason:    Namespace DYLD, Code 1 Library missing
Library not loaded: @rpath/Pow.framework/Versions/A/Pow
Referenced from: <B305073C-98E4-33B2-9BF5-00E49B690A5B> /Applications/Short Circuit.app/Contents/MacOS/Short Circuit
Reason: tried: '/Applications/Short Circuit.app/Contents/MacOS/Frameworks/Pow.framework/Versions/A/Pow' (no such file), '/Applications/Short Circuit.app/Contents/MacOS/Frameworks/Pow.framework/Versions/A/Pow' (no such file), '/Library/Frameworks/Pow.framework/Versions/A/Pow' (no such file), '/System/Library/Frameworks/Pow.framework/Versions/A/Pow' (no such file, not in dyld cache)
(terminated at launch; ignore backtrace)

Kernel Triage:
VM - (arg = 0x0) pmap_enter retried due to resource shortage


Thread 0 Crashed:
0   dyld                          	       0x19b921118 __abort_with_payload + 8
1   dyld                          	       0x19b92cd7c abort_with_payload_wrapper_internal + 104
2   dyld                          	       0x19b92cdb0 abort_with_payload + 16
3   dyld                          	       0x19b8b88a8 dyld4::halt(char const*) + 328
4   dyld                          	       0x19b8b5590 dyld4::prepare(dyld4::APIs&, dyld3::MachOAnalyzer const*) + 4184
5   dyld                          	       0x19b8b3e18 start + 1964


Thread 0 crashed with ARM Thread State (64-bit):
    x0: 0x0000000000000006   x1: 0x0000000000000001   x2: 0x000000016b536930   x3: 0x0000000000000075
    x4: 0x000000016b536530   x5: 0x0000000000000000   x6: 0x0000000000000000   x7: 0x0000000000000ba0
    x8: 0x0000000000000020   x9: 0x0000000000000009  x10: 0x0000000000000001  x11: 0x000000000000000a
   x12: 0x0000000000000000  x13: 0x0000000000000033  x14: 0x0000000000000004  x15: 0x0000000000008000
   x16: 0x0000000000000209  x17: 0x000000019b8b135c  x18: 0x0000000000000000  x19: 0x0000000000000000
   x20: 0x000000016b536530  x21: 0x0000000000000075  x22: 0x000000016b536930  x23: 0x0000000000000001
   x24: 0x0000000000000006  x25: 0x00000001f756acc0  x26: 0x0000000000000000  x27: 0x0000000000000000
   x28: 0x0000000000000000   fp: 0x000000016b536500   lr: 0x000000019b92cd7c
    sp: 0x000000016b5364c0   pc: 0x000000019b921118 cpsr: 0x00001000
   far: 0x0000000105054000  esr: 0x56000080  Address size fault

Binary Images:
       0x1048c8000 -        0x104e87fff com.redpandaclub.quickgpt (2.0) <b305073c-98e4-33b2-9bf5-00e49b690a5b> /Applications/Short Circuit.app/Contents/MacOS/Short Circuit
       0x19b8ae000 -        0x19b93c53b dyld (*) <6f2c2bb8-4bbc-3b64-b927-d3f3193b6295> /usr/lib/dyld

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 918
    thread_create: 0
    thread_set_state: 26116

VM Region Summary:
ReadOnly portion of Libraries: Total=807.6M resident=0K(0%) swapped_out_or_unallocated=807.6M(100%)
Writable regions: Total=8672K written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=8672K(100%)

                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
STACK GUARD                       56.0M        1 
Stack                             8176K        1 
VM_ALLOCATE                         16K        1 
__DATA                             443K        3 
__DATA_CONST                       262K        2 
__DATA_DIRTY                         7K        1 
__LINKEDIT                       801.2M        2 
__TEXT                            6460K        2 
dyld private memory                272K        2 
===========                     =======  ======= 
TOTAL                            872.5M       15 



-----------
Full Report
-----------

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Thunderbolt Bus: MacBook Air, Apple Inc.

Feature Request: Sound ChangeEffect

I really love the way that you've included a .haptic ChangeEffect, and was wondering if it'd be possible to do the same for playing a sound.

Right now I have my own homegrown that I expose through the environment like so

@Environment(\.sounds) private var sounds

And it's invoked by calling the playSound method like this.

sounds.playSound(effect: .plinkSound, source: self.preferences.preferredSoundSource)

I'm envisioning a solution that looks much like .changeEffect(.haptic(.success), value: someStateChanged), but instead of .haptic it would be .changeEffect(.sound(.plinkSound), value: someStateChanged).

I'm also including the complete solution if it can be of any help, or provide any more context, please let me know if there's any more information that would be helpful.

public enum SoundEffect {
    case dataAsset(NSDataAsset)
    case file(filename: String, `extension`: String)
}

public final class Sounds {

    public enum Source: String {
        case none
        case headphones
        case speakers
    }

    private var player: AVAudioPlayer?

    public init() {}

    public func playSound(effect: SoundEffect, source: Source) {
        let shouldPlaySound: Bool

#if targetEnvironment(simulator)
        shouldPlaySound = true
#else
        switch source {

        case .none:
            shouldPlaySound = false

        case .headphones:
            shouldPlaySound = AVAudioSession.sharedInstance().currentRoute.outputs.map(\.portType).contains(where: { $0 == .headphones || $0 == .bluetoothA2DP })

        case .speakers:
            shouldPlaySound = true

        }
#endif

        if shouldPlaySound {
            do {
                try AVAudioSession.sharedInstance().setCategory(.playback, mode: .default, options: [.mixWithOthers])
                try AVAudioSession.sharedInstance().setActive(true)

                switch effect {

                case .dataAsset(let dataAsset):
                    self.player = try AVAudioPlayer(data: dataAsset.data)

                case .file(let filename, let fileExtension):
                    guard let url = Bundle.module.url(forResource: filename, withExtension: fileExtension) else { return }
                    self.player = try AVAudioPlayer(contentsOf: url)
                }

                self.player?.play()
            } catch let error {
                print(error.localizedDescription)
            }
        }
    }

}

private enum SoundEnvironmentKey: EnvironmentKey {
    static let defaultValue = Sounds()
}

public extension EnvironmentValues {
    var sounds: Sounds {
        get { self[SoundEnvironmentKey.self] }
        set { self[SoundEnvironmentKey.self] = newValue }
    }
}

Anvil Animation Smoke Clipping

The smoke layer from the anvil animation has the top part of it clipped towards the end of the animation.

Tested on Simulator iPhone SE (3rd Generation)

Use in UIKit

It is possible to use this library in UIKit?

Pow crashes on device in SwiftUI Playgrounds Apps

It appears that apps using this type of project don't handle binary dependencies well:

Feature Request: Setting Custom Animation Curves

I would love to set custom animation curves like Animation.interpolatingSpring(mass: 0.13, stiffness: 5.7, damping: 1.2, initialVelocity: 10.0) to adjust style and duration of effects.

tvOS and watchOS support?

Hi Robb, dose pow plan to add tvOS and watchOS support?

Crash in `SmokeEffect`

SmokeEffect references a couple particle images which aren't there, causing a forced crash with an unwrap.

The assets for the package only contains "anvil_smoke_gray" and "anvil_smoke_white", but the effect references the below:

    let particles = [
        "anvil_smoke_gray",
        "anvil_smoke_gray_blur",
        "anvil_smoke_gray_alt",
    ]

Assets

preview crashes for all Views when I load library via SPM (Xcode 14 beta 5)

Using Pow with CocoaPods.

I'm trying to integrate Pow as a vendor framework in a component library we maintain in a private CocoaPod.

I downloaded the XCFramework from https://packages.movingparts.io/binaries/pow/0.2.1/Pow.xcframework.zip and am referencing it in the .podspec locally:

...
s.ios.vendored_frameworks = "ios/VendorFrameworks/Pow.xcframework"
...

Everything seems to be compiling fine but when I use it in our mobile client I see an error:

Generating Pods project
[!] Unable to install vendored xcframework `Pow` for Pod `CandleUI`, because it contains both static and dynamic frameworks.
error Command failed with exit code 1.

Do you think this could be because it includes dylibs like SwiftUI or is released as a dylib? I'm a little bit out of my depth here and would appreciate any suggestions you may have.

My app does not compile after adding the package to my Xcode project.

It gives the following error inside the AngleControl struct:

Feature Request: More Haptic Options

As mentioned in #11 I really love the .haptic ChangeEffect you've included in Pow. I have my own homegrown solution that I've been using, but actually prefer the ergonomics of your version.

One advantage of what I've built is that it provides many haptic options, allowing me to call a variety of haptic providers, such as

@Environment(\.haptics) private var haptics: Haptics
haptics.selectionGenerator.selectionChanged()

Would it be possible to configure .changeEffect(.hapticFeedback(…)) so it could take more feedback generators?

This is the complete solution that I have if it can be of any help, or provide any more context, please let me know if there's any more information that would be helpful.

Thanks a lot for the library, it's quickly become a staple in my apps!

public struct Haptics {

    public init() {}

    public let lightImpactGenerator = UIImpactFeedbackGenerator(style: .light)
    public let rigidImpactGenerator = UIImpactFeedbackGenerator(style: .rigid)
    public let softImpactGenerator = UIImpactFeedbackGenerator(style: .soft)
    public let mediumImpactGenerator = UIImpactFeedbackGenerator(style: .medium)
    public let heavyImpactGenerator = UIImpactFeedbackGenerator(style: .heavy)
    public let selectionGenerator = UISelectionFeedbackGenerator()
    public let notificationGenerator = UINotificationFeedbackGenerator()

}

private enum HapticsEnvironmentKey: EnvironmentKey {
    static let defaultValue = Haptics()
}

public extension EnvironmentValues {
    var haptics: Haptics {
        get { self[HapticsEnvironmentKey.self] }
        set { self[HapticsEnvironmentKey.self] = newValue }
    }
}

Global option to disable POW effects when voiceover is activated

POW is not necessarily suitable for users who utilize voiceover. It can also damage the voiceover and occasionally create an excessively large accessibility rectangle with effects like (.spray, glow, etc..). I would like to propose a global option to disable POW effects when voiceover is activated. At present, I have to do this manually.

                            .if(!UIAccessibility.isVoiceOverRunning) {
                                $0.changeEffect(
                                    .spray(origin: UnitPoint(x: 0.25, y: 0.5)) {
                                        Image(systemName: isFavorite ? "heart.fill" : "xmark")
                                            .foregroundStyle(isFavorite ? .red : .gray)
                                    }, value: itemsModel.favoriteItems.contains(item))
                            }

Cancel conditional effect after duration

Is there a simple way to disable a conditional animation after a duration?

For example, I have a computed property on the condition: parameter of my conditional smoke effect which watches that computed property and runs the smoke effect when it changes - this works great (and also looks really nice!)

However, this runs for as long as that computed property is true - which in my case is true until the app closes.

I've currently added a work around which involves bookkeeping for that computed property's class's ID and keeping them in a set, using a timer to insert that ID in to a set after a Task.sleep runs for n seconds.

That's a bad explanation but the code is:

@State private var myThingIds: Set<MyThing.ID> = []

// ...

MyView()
    .conditionalEffect(
        .smoke,
        condition: myThing.needsSmokeEffect && myThingIds.contains(myThing.id) == false
    )
    .onChange(of: myThing.needsSmokeEffect) { oldValue, newValue in
        guard newValue == true else {
            return
        }
        
        Task {
            try? await Task.sleep(for: .seconds(5))
            
            myThingIds.insert(myThing.id)
        }
    }

It feels like there's a simpler way to do this given the richness of this package - am I missing something obvious?

macOS Support

Pow seems really rad, but I'd really like to use it in some macOS applications! This is just an issue to start the discussion around this potentially rather large feature request.

Idea: Composed Pow Effects Syntax

I've recently found myself combining multiple effects, for example haptics and sounds or more complex effects like spinning and jumping an element at the same time.

I do this by adding two changeEffect calls, like so.

.changeEffect([.feedback(hapticImpact: .medium)], value: self.hasAnimated)
.changeEffect([.feedback(SoundEffect(url: SoundEffect.plinkSound))], value: self.hasAnimated)

The more effects I wish to chain together the longer the code grows, and the more call-sites I need to change grow the more I tweak the animation.

Instead I'd like to propose a few options that could work, as syntax that takes two modifiers and chains them together.

The simplest is an array:

.changeEffect([.feedback(hapticImpact: .medium), .feedback(SoundEffect(url: SoundEffect.plinkSound))], value: self.hasAnimated)

Which could even become variadics, now that they've become more powerful:

.changeEffect(.feedback(hapticImpact: .medium), .feedback(SoundEffect(url: SoundEffect.plinkSound)), value: self.hasAnimated)

Alternatively a function like composed(with: ) or adding(_ effect:) could be added to compose:

.changeEffect(.feedback(hapticImpact: .medium).composed(with: .feedback(SoundEffect(url: SoundEffect.plinkSound))), value: self.hasAnimated)

And lastly, perhaps using + operator:

.changeEffect(.feedback(hapticImpact: .medium) + .feedback(SoundEffect(url: SoundEffect.plinkSound)), value: self.hasAnimated)

Thank you as always! Would love to hear what you think, and if any of those seem like a good idea.

Expose Custom WiggleRate

Hi there, back again with another Pow request. 😄

I'm currently trying to create a wiggle animation that is somewhere between AnyChangeEffect.WiggleRate.default and AnyChangeEffect.WiggleRate.fast. I don't really know what the ideal wiggle looks like so I was hoping to experiment a bit, but I think at the moment I'm stuck with these two choices. Is there any chance more options could be available, or having the wiggle parameters be exposed directly?

Glow effect prevent the touch after version 0.3.1

I have this code that draws multiple circles when the user touches the screen. However, I noticed that after updating to the latest version (greater than 0.3.1), the touch is not captured after the first circle. It works as normal when I remove the .conditionalEffect.

                    ForEach(Array(touches.enumerated()), id: \.element.id) { index, touchInfo in
                        AnimatingCircle(
                            center: touchInfo.point,
                            index: index,
                            winnerIndex: winnerIndex
                        )
                        .id(index)
                        .conditionalEffect(
                            .repeat(.glow(color: winnerIndex == nil ? .white : .green, radius: 100), every: 1.0),
                            condition: getWinnerWorker != nil
                        )
                    }

I believe this issue existed previously and you resolved it. Could you please fix it again, as I am currently using version 0.3.1?

Proposal: A Slightly Less Imperative .feedbackHapticSelection Option

One of the most common times I find myself using a selection haptic is when I want to provide a user feedback upon tapping a button. I've been able to integrate Pow's new .changeEffect(.feedbackHapticSelection, value: someValue) really effectively in picker-type controls, but unfortunately a button tap an imperative action, which does not work great out the box with SwiftUI's and Pow's declarative APIs.

A workaround I came up with is to hold my own state, in a way that isn't particularly pretty (and seems to create some sort of extra tap once in a while for some reason I can't track down in my code.)

What I'm doing is

Creating a View that holds a Button.
Attach the changeEffect, based on some internal state keeping track of whether the haptic feedback is active.
When the user taps the button, call activateSelectionHaptic to set the haptic active, and set it inactive 0.5 seconds later.

@State private var isActive = false

var body: some View {
    Button("Selection Demo", action: {
        print("Selected!")

        Task { await self.activateSelectionHaptic(isActive: $isActive) }
    })
    .changeEffect(.feedbackHapticSelection, value: isActive == true, isEnabled: self.preferences.hasHapticsEnabled)
}

extension View {

    func activateSelectionHaptic(isActive: Binding<Bool>) async {
        isActive.wrappedValue = true
        do {
            try await Task.sleep(for: .seconds(0.5))
            isActive.wrappedValue = false
        } catch {
            isActive.wrappedValue = false
        }
    }

}

This isn't pretty but it does wrap up some logic that I found myself rewriting often. I was wondering if you had any ideas for how I could make this better, or perhaps with first party access include a more semantically viable version built into Pow?

Thank you as always!

Make iOS-only API a no-op on other platforms

I figured it would be better to add to this issue rather than create a new issue. I was wondering if it makes more sense in a cross-platform codebase to make code like this no-op rather than throwing an error, Type 'AnyChangeEffect' has no member 'feedbackHapticSelection'.
.changeEffect(.feedbackHapticSelection, value: self.isShuffling, isEnabled: self.isShuffling)
I'm porting an over to the Mac and while it's possible for me to add conditional compilation flags to solve this, there are a lot of call-sites (as I love Pow) and I figured it might be worth asking if the better approach was to have the API work but just not do anything on the Mac.

Originally posted by @mergesort in #18 (comment)

visionOS Support

Pow fails to compile for visionOS at the moment.

Feature Request: pop transition should support `ParticleLayer`

See https://mastodon.social/@marcel/109721420940924248