diff --git a/.travis.yml b/.travis.yml
index 4bf5c3b..196db8b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: swift
-osx_image: xcode10.1
+osx_image: xcode10.2
 xcode_workspace: Example/PerspectiveTransform.xcworkspace
 xcode_scheme: Example
-xcode_sdk: iphonesimulator12.1
+xcode_sdk: iphonesimulator12.2
 git:
   depth: 1 # use 1, as false cause travis lint server 500 exception
 cache:
diff --git a/Example/PerspectiveTransform.xcodeproj/project.pbxproj b/Example/PerspectiveTransform.xcodeproj/project.pbxproj
index e9928ba..8d2f971 100644
--- a/Example/PerspectiveTransform.xcodeproj/project.pbxproj
+++ b/Example/PerspectiveTransform.xcodeproj/project.pbxproj
@@ -94,6 +94,8 @@
 		4B76EDD7205674CF009492EC /* FittingPolygon.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FittingPolygon.swift; sourceTree = "<group>"; };
 		4B76EDD9205674F3009492EC /* PolygonLoader.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PolygonLoader.swift; sourceTree = "<group>"; };
 		4B84138A201DD90D00D17FE2 /* PerspectiveSpec.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PerspectiveSpec.swift; sourceTree = "<group>"; };
+		4B96E125225C8C4600C7E49D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
+		4B96E126225C8C4600C7E49D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/LaunchScreen.xib; sourceTree = "<group>"; };
 		4B97C3CC2047BAC1004C9782 /* AccelerateSolvePerfTest.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AccelerateSolvePerfTest.swift; sourceTree = "<group>"; };
 		4B9A5BF021FBA91500979AFE /* install-opencv.sh */ = {isa = PBXFileReference; lastKnownFileType = text.script.sh; path = "install-opencv.sh"; sourceTree = "<group>"; };
 		4BA3D17A1C771B2E0009B690 /* ProjectionSpec.swift */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 4; lastKnownFileType = sourcecode.swift; path = ProjectionSpec.swift; sourceTree = "<group>"; tabWidth = 4; };
@@ -102,8 +104,6 @@
 		4BA3D1871C7995630009B690 /* Visual.playground */ = {isa = PBXFileReference; lastKnownFileType = file.playground; path = Visual.playground; sourceTree = "<group>"; };
 		4BA7B1481C7C7A0600933779 /* .travis.yml */ = {isa = PBXFileReference; indentWidth = 2; lastKnownFileType = text; name = .travis.yml; path = ../.travis.yml; sourceTree = "<group>"; tabWidth = 2; };
 		4BA7B14D1C7D710D00933779 /* ReferenceImages */ = {isa = PBXFileReference; lastKnownFileType = folder; path = ReferenceImages; sourceTree = "<group>"; };
-		4BB87C3B21F468CA00DABAED /* en */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = en; path = en.lproj/LaunchScreen.xib; sourceTree = "<group>"; };
-		4BB87C3C21F468CA00DABAED /* en */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = en; path = en.lproj/Main.storyboard; sourceTree = "<group>"; };
 		4BCA955E2237A7CE0091E312 /* CATransform3D+MatrixSpec.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "CATransform3D+MatrixSpec.swift"; sourceTree = "<group>"; };
 		4BCA95622237B9880091E312 /* CATransform3D+MatrixPerformanceTest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "CATransform3D+MatrixPerformanceTest.swift"; sourceTree = "<group>"; };
 		4BD09EAD2046B05A006D2FA4 /* OpenCV_Spec.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OpenCV_Spec.swift; sourceTree = "<group>"; };
@@ -422,33 +422,36 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0920;
-				LastUpgradeCheck = 0940;
+				LastUpgradeCheck = 1020;
 				ORGANIZATIONNAME = CocoaPods;
 				TargetAttributes = {
 					4B74DB33203BD9C70030F41B = {
 						CreatedOnToolsVersion = 9.2;
+						LastSwiftMigration = 1020;
 					};
 					4BDF649A20469AB60022C5F8 = {
 						CreatedOnToolsVersion = 9.2;
-						LastSwiftMigration = 0920;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Manual;
 					};
 					607FACCF1AFB9204008FA782 = {
 						CreatedOnToolsVersion = 6.3.1;
-						LastSwiftMigration = 0920;
+						LastSwiftMigration = 1020;
 					};
 					607FACE41AFB9204008FA782 = {
 						CreatedOnToolsVersion = 6.3.1;
+						LastSwiftMigration = 1020;
 						TestTargetID = 607FACCF1AFB9204008FA782;
 					};
 				};
 			};
 			buildConfigurationList = 607FACCB1AFB9204008FA782 /* Build configuration list for PBXProject "PerspectiveTransform" */;
 			compatibilityVersion = "Xcode 8.0";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
+				Base,
 			);
 			mainGroup = 607FACC71AFB9204008FA782;
 			productRefGroup = 607FACD11AFB9204008FA782 /* Products */;
@@ -761,7 +764,7 @@
 		607FACD91AFB9204008FA782 /* Main.storyboard */ = {
 			isa = PBXVariantGroup;
 			children = (
-				4BB87C3C21F468CA00DABAED /* en */,
+				4B96E125225C8C4600C7E49D /* Base */,
 			);
 			name = Main.storyboard;
 			sourceTree = "<group>";
@@ -769,7 +772,7 @@
 		607FACDE1AFB9204008FA782 /* LaunchScreen.xib */ = {
 			isa = PBXVariantGroup;
 			children = (
-				4BB87C3B21F468CA00DABAED /* en */,
+				4B96E126225C8C4600C7E49D /* Base */,
 			);
 			name = LaunchScreen.xib;
 			sourceTree = "<group>";
@@ -784,6 +787,7 @@
 				INFOPLIST_FILE = Specs/Info.plist;
 				PRODUCT_BUNDLE_IDENTIFIER = "paulz.github.io.PerspectiveTransform.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -794,6 +798,7 @@
 				INFOPLIST_FILE = Specs/Info.plist;
 				PRODUCT_BUNDLE_IDENTIFIER = "paulz.github.io.PerspectiveTransform.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -814,6 +819,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
 				SWIFT_OBJC_BRIDGING_HEADER = "OpenCV-OSX-Tests/OpenCVWrapper.h";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -834,6 +840,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
 				SWIFT_OBJC_BRIDGING_HEADER = "OpenCV-OSX-Tests/OpenCVWrapper.h";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -841,6 +848,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_CXX_LANGUAGE_STANDARD = "compiler-default";
@@ -885,8 +893,8 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.2;
-				MACOSX_DEPLOYMENT_TARGET = 10.13;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.2;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
@@ -900,6 +908,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_CXX_LANGUAGE_STANDARD = "compiler-default";
@@ -938,8 +947,8 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.2;
-				MACOSX_DEPLOYMENT_TARGET = 10.13;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.2;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				SWIFT_VERSION = 4.2;
@@ -956,6 +965,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "paulz.github.io.PerspectiveTransform.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -968,6 +978,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "paulz.github.io.PerspectiveTransform.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -979,6 +990,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "paulz.github.io.PerspectiveTransform.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Example.app/Example";
 			};
 			name = Debug;
@@ -991,6 +1003,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "paulz.github.io.PerspectiveTransform.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Example.app/Example";
 			};
 			name = Release;
diff --git a/Example/PerspectiveTransform.xcworkspace/xcshareddata/xcschemes/Example.xcscheme b/Example/PerspectiveTransform.xcworkspace/xcshareddata/xcschemes/Example.xcscheme
index 6a82bdf..d0603b0 100644
--- a/Example/PerspectiveTransform.xcworkspace/xcshareddata/xcschemes/Example.xcscheme
+++ b/Example/PerspectiveTransform.xcworkspace/xcshareddata/xcschemes/Example.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1010"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Example/PerspectiveTransform.xcworkspace/xcshareddata/xcschemes/OpenCV Tests.xcscheme b/Example/PerspectiveTransform.xcworkspace/xcshareddata/xcschemes/OpenCV Tests.xcscheme
index 5d160da..9c4f385 100644
--- a/Example/PerspectiveTransform.xcworkspace/xcshareddata/xcschemes/OpenCV Tests.xcscheme	
+++ b/Example/PerspectiveTransform.xcworkspace/xcshareddata/xcschemes/OpenCV Tests.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1010"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Example/PerspectiveTransform/en.lproj/LaunchScreen.xib b/Example/PerspectiveTransform/Base.lproj/LaunchScreen.xib
similarity index 100%
rename from Example/PerspectiveTransform/en.lproj/LaunchScreen.xib
rename to Example/PerspectiveTransform/Base.lproj/LaunchScreen.xib
diff --git a/Example/PerspectiveTransform/en.lproj/Main.storyboard b/Example/PerspectiveTransform/Base.lproj/Main.storyboard
similarity index 100%
rename from Example/PerspectiveTransform/en.lproj/Main.storyboard
rename to Example/PerspectiveTransform/Base.lproj/Main.storyboard
diff --git a/Example/PerspectiveTransform/Visual.playground/Sources/Helper.swift b/Example/PerspectiveTransform/Visual.playground/Sources/Helper.swift
index 5f02294..e009a6a 100644
--- a/Example/PerspectiveTransform/Visual.playground/Sources/Helper.swift
+++ b/Example/PerspectiveTransform/Visual.playground/Sources/Helper.swift
@@ -2,7 +2,7 @@ import UIKit
 import QuartzCore
 
 public extension UIView {
-    public func resetAnchorPoint() {
+    func resetAnchorPoint() {
         let rect = frame
         layer.anchorPoint = CGPoint.zero
         frame = rect
diff --git a/Example/PerspectiveTransform/resetAnchorPoint.swift b/Example/PerspectiveTransform/resetAnchorPoint.swift
index 31c8394..5715280 100644
--- a/Example/PerspectiveTransform/resetAnchorPoint.swift
+++ b/Example/PerspectiveTransform/resetAnchorPoint.swift
@@ -2,7 +2,7 @@ import UIKit
 import QuartzCore
 
 public extension UIView {
-    public func resetAnchorPoint() {
+    func resetAnchorPoint() {
         let rect = frame
         layer.anchorPoint = CGPoint.zero
         frame = rect
diff --git a/Example/Podfile b/Example/Podfile
index 4c547b9..b21eb15 100644
--- a/Example/Podfile
+++ b/Example/Podfile
@@ -1,6 +1,6 @@
 source 'https://github.com/CocoaPods/Specs.git'
 use_frameworks!
-platform :ios, '11.0'
+platform :ios, '12.2'
 
 def DevelopmentPodAndDependencies
     pod 'PerspectiveTransform', :path => '../'
@@ -24,7 +24,7 @@ target 'Example' do
     end
 
     target 'OpenCV OSX Tests' do
-        platform :osx, '10.13'
+        platform :osx, '10.14'
         SwiftTestingPods()
     end
 end
diff --git a/Example/Podfile.lock b/Example/Podfile.lock
index 904b50b..c073d0c 100644
--- a/Example/Podfile.lock
+++ b/Example/Podfile.lock
@@ -1,5 +1,5 @@
 PODS:
-  - ImageCoordinateSpace (1.0.7)
+  - ImageCoordinateSpace (1.1)
   - iOSSnapshotTestCase (6.0.3):
     - iOSSnapshotTestCase/SwiftSupport (= 6.0.3)
   - iOSSnapshotTestCase/Core (6.0.3)
@@ -11,7 +11,7 @@ PODS:
   - Nimble-Snapshots/Core (7.0.0):
     - iOSSnapshotTestCase (~> 6.0)
     - Nimble (~> 8.0)
-  - PerspectiveTransform (0.4)
+  - PerspectiveTransform (1.0)
   - Quick (2.0.0)
 
 DEPENDENCIES:
@@ -34,13 +34,13 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  ImageCoordinateSpace: 424e76be5db1cbd02a93cb0e97b0d3d46957b454
+  ImageCoordinateSpace: 9e560a43a97375371f22343bb47e2c7e7fc428ae
   iOSSnapshotTestCase: 944a73f6d9676302811a86c0cf35f0e6ef5ab2a0
   Nimble: 45f786ae66faa9a709624227fae502db55a8bdd0
   Nimble-Snapshots: 2d6d712ceb2d1850d88f850fbd7c732618106022
-  PerspectiveTransform: 4e823871c7fde15b776610dbdf102a3b00adb077
+  PerspectiveTransform: 80047e1d02903cb3777f429492514978161a7203
   Quick: ce1276c7c27ba2da3cb2fd0cde053c3648b3b22d
 
-PODFILE CHECKSUM: 882ce3558060409e596935d1d06dd5a6707894f9
+PODFILE CHECKSUM: 80ff60e539c07a49578d282438bd9e678f55ceff
 
 COCOAPODS: 1.6.1
diff --git a/Example/Pods/Pods.xcodeproj/xcshareddata/xcschemes/PerspectiveTransform.xcscheme b/Example/Pods/Pods.xcodeproj/xcshareddata/xcschemes/PerspectiveTransform.xcscheme
index 3b221f9..7824432 100644
--- a/Example/Pods/Pods.xcodeproj/xcshareddata/xcschemes/PerspectiveTransform.xcscheme
+++ b/Example/Pods/Pods.xcodeproj/xcshareddata/xcschemes/PerspectiveTransform.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1010"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Example/Specs/PerspectiveSpec.swift b/Example/Specs/PerspectiveSpec.swift
index 3681264..1454b7d 100644
--- a/Example/Specs/PerspectiveSpec.swift
+++ b/Example/Specs/PerspectiveSpec.swift
@@ -10,10 +10,10 @@ class PerspectiveSpec: QuickSpec {
                 it("should list all vectors") {
                     let perspective = Perspective(.zero)
                     expect(String(describing: perspective)) == "Perspective: [\n"
-                        + "double3(0.0, 0.0, 1.0)\n"
-                        + "double3(0.0, 0.0, 1.0)\n"
-                        + "double3(0.0, 0.0, 1.0)\n"
-                        + "double3(0.0, 0.0, 1.0)\n"
+                        + "SIMD3<Double>(0.0, 0.0, 1.0)\n"
+                        + "SIMD3<Double>(0.0, 0.0, 1.0)\n"
+                        + "SIMD3<Double>(0.0, 0.0, 1.0)\n"
+                        + "SIMD3<Double>(0.0, 0.0, 1.0)\n"
                         + "]"
                 }
             }
@@ -80,7 +80,7 @@ class PerspectiveSpec: QuickSpec {
 
                     context("pointsToBasisVectorsMap") {
                         it("should result in identity when multiplied by basisVectorsToPointsMap") {
-                            let identity = Matrix3x3(diagonal: Vector3(1))
+                            let identity = Matrix3x3(diagonal: Vector3(repeating: 1))
                             expect(perspective.basisVectorsToPointsMap * perspective.pointsToBasisVectorsMap) == identity
                         }
 
diff --git a/PerspectiveTransform.podspec b/PerspectiveTransform.podspec
index 4594628..c4df62e 100644
--- a/PerspectiveTransform.podspec
+++ b/PerspectiveTransform.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
   s.cocoapods_version = '~> 1.5'
   s.name              = 'PerspectiveTransform'
-  s.version           = '0.4'
+  s.version           = '1.0'
   s.summary           = 'Perspective Transform calculates CATransform3D'
   s.description       = <<-DESC
   Calculates CATransform3D to transform rectangular frame to convex quadrilateral
@@ -14,15 +14,16 @@ Pod::Spec.new do |s|
   s.author            = { 'Paul Zabelin' => authorPage }
   s.source            = { :git => "#{s.homepage}.git", :tag => s.version.to_s }
   s.social_media_url  = 'https://twitter.com/iospaulz'
-  s.platform          = :ios, '11.0'
-  s.swift_version     = '4.2'
+  s.platform          = :ios, '12.2'
+  s.swift_version     = '5.0'
   s.source_files      = 'Pod/Classes/**/*'
   s.frameworks        = 'UIKit', 'CoreGraphics', 'QuartzCore'
   s.test_spec 'UnitSpecs' do |ts|
+      ts.requires_app_host = false
       ts.source_files   = 'Example/Specs/**/*.{h,swift}', 'Example/Tests/*Helper.swift'
       ts.dependencies   = {
-          'Quick' => '~> 1.3',
-          'Nimble' => '~> 7.1'
+          'Quick' => '~> 2.0',
+          'Nimble' => '~> 8.0'
       }
   end
   s.test_spec 'AppSpecs' do |ts|
@@ -30,9 +31,9 @@ Pod::Spec.new do |s|
       ts.resources      = 'Example/Tests/**/*.{png,jpg,svg}'
       ts.source_files   = 'Example/Tests/**/*.{h,swift}', 'Example/PerspectiveTransform/resetAnchorPoint.swift'
       ts.dependencies   = {
-          'Quick' => '~> 1.3',
-          'Nimble-Snapshots' => '~> 6.8',
-          'iOSSnapshotTestCase' => '~> 4.0'
+          'Quick' => '~> 2.0',
+          'Nimble-Snapshots' => '~> 7.0',
+          'iOSSnapshotTestCase' => '~> 6.0'
       }
   end
 end
diff --git a/Pod/Classes/Matrix3x3+3D.swift b/Pod/Classes/Matrix3x3+3D.swift
index 11a14dd..8d4e4a6 100644
--- a/Pod/Classes/Matrix3x3+3D.swift
+++ b/Pod/Classes/Matrix3x3+3D.swift
@@ -9,9 +9,9 @@
 import simd
 
 extension Vector3 {
-    static let one = Vector3(.one)
-    static let zero = Vector3(0)
-    static let lastIndex = Vector3().endIndex - 1
+    static let one = Vector3(repeating: .one)
+    static let zero = Vector3(repeating: 0)
+    static let lastIndex = Vector3().scalarCount - 1
     static let indexSlice = 0...Vector3.lastIndex
 }
 
diff --git a/Pod/Classes/Perspective+Transform.swift b/Pod/Classes/Perspective+Transform.swift
index 1e24c8f..ef737b8 100644
--- a/Pod/Classes/Perspective+Transform.swift
+++ b/Pod/Classes/Perspective+Transform.swift
@@ -15,7 +15,7 @@ public extension Perspective {
      - parameter bottomLeft: bottom left corner
      - parameter bottomRight: bottom right corner
      */
-    public convenience init(_ topLeft: CGPoint, _ topRight: CGPoint, _ bottomLeft: CGPoint, _ bottomRight: CGPoint) {
+    convenience init(_ topLeft: CGPoint, _ topRight: CGPoint, _ bottomLeft: CGPoint, _ bottomRight: CGPoint) {
         self.init(.init(topLeft, topRight, bottomLeft, bottomRight))
     }
     /**
@@ -23,7 +23,7 @@ public extension Perspective {
      
      - parameter points: corner points, must be size 4
      */
-    public convenience init(_ points: [CGPoint]) {
+    convenience init(_ points: [CGPoint]) {
         self.init(.init(points))
     }
     /**
@@ -31,7 +31,7 @@ public extension Perspective {
      
      - parameter rect: defines the corners
      */
-    public convenience init(_ rect: CGRect) {
+    convenience init(_ rect: CGRect) {
         self.init(.init(rect))
     }
     
@@ -41,7 +41,7 @@ public extension Perspective {
      - parameter destination: perspective to transform to
      - returns: tranformation matrix from this perspective to destination
      */
-    public func projectiveTransform(destination: Perspective) -> CATransform3D {
+    func projectiveTransform(destination: Perspective) -> CATransform3D {
         return .init(projection(to: destination).to3d())
     }
 }
diff --git a/README.md b/README.md
index d7dd3c5..f596df4 100644
--- a/README.md
+++ b/README.md
@@ -117,6 +117,6 @@ Paul Zabelin, http://github.com/paulz
 
 PerspectiveTransform is available under the MIT license. See the LICENSE file for more info.
 
-[swift-badge]: https://img.shields.io/badge/Swift-4.2-orange.svg?style=flat
+[swift-badge]: https://img.shields.io/badge/Swift-5.0-orange.svg?style=flat
 [swift-url]: https://swift.org
 [carthage-badge]: https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat