Added lock to move the card on an axis

Example/TinderExample/TinderViewController.swift

@@ -134,6 +134,7 @@ extension TinderViewController: ButtonStackViewDelegate, SwipeCardStackDataSourc
     let card = SwipeCard()
     card.footerHeight = 80
     card.swipeDirections = [.left, .up, .right]
+    card.axis = .all
     for direction in card.swipeDirections {
       card.setOverlay(TinderCardOverlay(direction: direction), forDirection: direction)
     }

README.md

@@ -47,6 +47,7 @@ To run the example project, clone the repo and run the `ShuffleExample` target.
     func card(fromImage image: UIImage) -> SwipeCard {
         let card = SwipeCard()
         card.swipeDirections = [.left, .right]
+        card.axis = .horizontal
         card.content = UIImageView(image: image)
 
         let leftOverlay = UIView()
@@ -193,4 +194,4 @@ We love to hear about apps that use Shuffle - feel free to submit a pull request
 ---
 
 <p align="center">
-Made with ❤️ by <a href="https://github.com/mac-gallagher">Mac Gallagher</a>
+Made with ❤️ by <a href="https://github.com/mac-gallagher">Mac Gallagher</a>

Shuffle-iOS.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
 s.name         = "Shuffle-iOS"
-s.version      = "0.2.5"
+s.version      = "0.3.0"
 s.platform     = :ios, "9.0"
 s.summary      = "A multi-directional card swiping library inspired by Tinder"
 
@@ -13,8 +13,7 @@ s.homepage     = "https://github.com/mac-gallagher/Shuffle"
 s.documentation_url = "https://github.com/mac-gallagher/Shuffle/tree/master/README.md"
 s.license      = { :type => 'MIT', :file => 'LICENSE' }
 s.author       = { "Mac Gallagher" => "jmgallagher36@gmail.com" }
-s.source       = { :git => "https://github.com/mac-gallagher/Shuffle.git", :tag => "v0.2.5" }
-
+s.source       = { :git => "https://github.com/mac-gallagher/Shuffle.git", :tag => "v0.3.0" }
 s.swift_version = "5.0"
 s.source_files = "Sources/**/*.{h,swift}"
 

Shuffle.xcodeproj/project.pbxproj

@@ -21,6 +21,7 @@
 /* End PBXAggregateTarget section */
 
 /* Begin PBXBuildFile section */
+		65AD978A2481B093008D3A79 /* Axis.swift in Sources */ = {isa = PBXBuildFile; fileRef = 65AD97892481B093008D3A79 /* Axis.swift */; };
 		387D5E42FEF4A017C5407B1F /* Pods_ShuffleTests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = AD73382D22D7142EE1082545 /* Pods_ShuffleTests.framework */; };
 		881FD28C231B78FB003ACA43 /* CardStackAnimationOptionsSpec.swift in Sources */ = {isa = PBXBuildFile; fileRef = 881FD28B231B78FB003ACA43 /* CardStackAnimationOptionsSpec.swift */; };
 		904ADE5B4A83DD023287EB73 /* Pods_ShuffleExample.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 91AB74E2E12D2E4C970B6743 /* Pods_ShuffleExample.framework */; };
@@ -124,6 +125,7 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		65AD97892481B093008D3A79 /* Axis.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Axis.swift; sourceTree = "<group>"; };
 		1070E8CB25529479CB067AD3 /* Pods-ShuffleTests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-ShuffleTests.release.xcconfig"; path = "Target Support Files/Pods-ShuffleTests/Pods-ShuffleTests.release.xcconfig"; sourceTree = "<group>"; };
 		29C7C2F3D3AC996FDD3FFF70 /* Pods-ShuffleTests.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-ShuffleTests.debug.xcconfig"; path = "Target Support Files/Pods-ShuffleTests/Pods-ShuffleTests.debug.xcconfig"; sourceTree = "<group>"; };
 		604684987DE74002FE435206 /* Pods-ShuffleExample.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-ShuffleExample.debug.xcconfig"; path = "Target Support Files/Pods-ShuffleExample/Pods-ShuffleExample.debug.xcconfig"; sourceTree = "<group>"; };
@@ -318,6 +320,7 @@
 		AD18F0DE22B9F874007BACE9 /* Shuffle */ = {
 			isa = PBXGroup;
 			children = (
+				65AD97892481B093008D3A79 /* Axis.swift */,
 				AD72AC6F2270E6380083E735 /* SwipeDirection.swift */,
 				AD10982222879C42008CB197 /* SwipeCard */,
 				ADA444D522AC651B00AFAFFE /* SwipeCardStack */,
@@ -821,6 +824,7 @@
 				AD52EF8122E5088B0063AE5D /* CardTransformProvider.swift in Sources */,
 				AD514C5B22A08D5600BD8F3E /* CardLayoutProvider.swift in Sources */,
 				AD72AC9A2270FCCE0083E735 /* SwipeDirection.swift in Sources */,
+				65AD978A2481B093008D3A79 /* Axis.swift in Sources */,
 				ADA444D922AC658E00AFAFFE /* SwipeCardStackDataSource.swift in Sources */,
 				AD52EF8722E523020063AE5D /* CardStackTransformProvider.swift in Sources */,
 				ADEE86D722ACE5AA00AAE7A1 /* Array+Extensions.swift in Sources */,

Sources/Shuffle/Axis.swift

@@ -0,0 +1,55 @@
+///
+/// MIT License
+///
+/// Copyright (c) 2020 Mac Gallagher
+///
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+///
+/// The above copyright notice and this permission notice shall be included in all
+/// copies or substantial portions of the Software.
+///
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+/// SOFTWARE.
+///
+
+import UIKit
+
+/// A type representing the axis of a physical drag animation.
+@objc public enum Axis: Int, CustomStringConvertible {
+
+  case vertical, horizontal, all
+
+  /// The `Axis` translation represented as a CGAffineTransform
+  public func translation(_ point: CGPoint) -> CGAffineTransform {
+    switch self {
+    case .vertical:
+      return CGAffineTransform(translationX: 0, y: point.y)
+    case .horizontal:
+      return CGAffineTransform(translationX: point.x, y: 0)
+    case .all:
+      return CGAffineTransform(translationX: point.x, y: point.y)
+     }
+  }
+
+    /// A textual representation of the `Axis`.
+  public var description: String {
+    switch self {
+    case .vertical:
+      return "vertical"
+    case .horizontal:
+      return "horizontal"
+    case .all:
+      return "all"
+    }
+  }
+}

Sources/Shuffle/SwipeCard/CardTransformProvider.swift

@@ -61,8 +61,7 @@ class CardTransformProvider: CardTransformProvidable {
 
   func transform(for card: SwipeCard) -> CGAffineTransform {
     let dragTranslation = card.panGestureRecognizer.translation(in: card)
-    let translation = CGAffineTransform(translationX: dragTranslation.x,
-                                        y: dragTranslation.y)
+    let translation = card.axis.translation(dragTranslation)
     let rotation = CGAffineTransform(rotationAngle: rotationAngle(for: card))
     return translation.concatenating(rotation)
   }

Sources/Shuffle/SwipeCard/SwipeView.swift

@@ -34,6 +34,10 @@ open class SwipeView: UIView {
   /// Defaults to `SwipeDirection.allDirections`.
   open var swipeDirections = SwipeDirection.allDirections
 
+  /// The axis to be animate card in all axis. Set this variable to ignore certain axis.
+  /// Defaults to `Axis.all`.
+    open var axis = Axis.all
+
   /// The pan gesture recognizer attached to the view.
   public var panGestureRecognizer: UIPanGestureRecognizer {
     return internalPanGestureRecognizer

Sources/Shuffle/SwipeCardStack/CardStackTransformProvider.swift

@@ -45,7 +45,7 @@ class CardStackTransformProvider: CardStackTransformProvidable {
 
     let scaleX = (1 - percentage) * currentScale.x + percentage * nextScale.x
     let scaleY = (1 - percentage) * currentScale.y + percentage * nextScale.y
-
+    
     return CGAffineTransform(scaleX: scaleX, y: scaleY)
   }