Merge pull request #9 from gadirom/adding_touchpad

Adding touchpad

Author: gadirom

.swiftpm/xcode/xcuserdata/gadirom.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -7,7 +7,7 @@
 		<key>TransformGesture.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>1</integer>
+			<integer>2</integer>
 		</dict>
 	</dict>
 </dict>

Example/.DS_Store

@@ -344,6 +344,7 @@
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				IPHONEOS_DEPLOYMENT_TARGET = 17.6;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -373,6 +374,7 @@
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				IPHONEOS_DEPLOYMENT_TARGET = 17.6;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",

Example/Example.xcodeproj/project.pbxproj

@@ -33,15 +33,16 @@ struct RenderParticles<T: RenderableParticle>: MetalBuildingBlock {
     let particlesBuffer: MTLBufferContainer<T>
     let toTexture: MTLTextureContainer? = nil
 
-    @ObservedObject var transform: TouchTransform
+    let transform: TouchTransform
 
     var metalContent: MetalContent{
+        var transform = Bindable(transform)
         Render(type: .point, count: particlesCount)
             .toTexture(toTexture)
             .vertexBuf(particlesBuffer, name: "particles")
-            .vertexBytes($transform.matrix, type: "float3x3", name: "transform")
+            .vertexBytes(transform.matrix, type: "float3x3", name: "transform")
             .vertexBytes(context.$viewportToDeviceTransform)
-            .vertexBytes($transform.floatScale, type: "float", name: "scale")
+            .vertexBytes(transform.floatScale, type: "float", name: "scale")
             .vertexBytes(context.$scaleFactor)
             .pipelineColorAttachment(pipColorDesc)
             .colorAttachement(

Example/Example.xcodeproj/project.xcworkspace/xcuserdata/gadirom.xcuserdatad/UserInterfaceState.xcuserstate

@@ -48,7 +48,7 @@ struct ContentView: View {
     @MetalState var particlesCountState = particlesCount
     @MetalState var canvasSizeState = canvasSize
 
-    @StateObject var transform = TouchTransform(
+    @State var transform = TouchTransform(
         translation: CGSize(width: 0,
                             height:0),
         scale: 1,
@@ -97,7 +97,7 @@ struct ContentView: View {
                 Rectangle()
                     .fill(Color.gray)
                     .frame(width: CGFloat(canvasSize.x), height: CGFloat(canvasSize.y))
-                    .transformEffect(transform)
+                    .transformEffect($transform)
                 MetalBuilderView(viewSettings: viewSettings) { context in
                     EncodeGroup(active: $justStarted){
                         ClearRender()
@@ -242,7 +242,7 @@ struct ContentView: View {
                         .fill(Color.clear)
                         .border(Color.white, width: transform.scaleSnapped ? 2 : 1)
                         .frame(width: CGFloat(canvasSize.x), height: CGFloat(canvasSize.y))
-                        .transformEffect(transform)
+                        .transformEffect($transform)
                     let offset = CGSize(width: transform.centerPoint.x,
                                         height: transform.centerPoint.y)
                     ZStack{

Example/Example.xcodeproj/xcuserdata/gadirom.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist

@@ -4,45 +4,45 @@ import TransformGesture
 
 struct HapticsEffects: ViewModifier {
 
-    @ObservedObject var transform: TouchTransform
+    let transform: TouchTransform
 
     @Environment(\.scenePhase) var scenePhase
     @State var hapticsEngine = HapticsEngine()
 
     func body(content: Content) -> some View {
         content
-            .onChange(of: transform.offset) { newValue in
+            .onChange(of: transform.offset) { newValue, oldValue in
                 hapticsEngine.onDraw()
             }
-            .onChange(of: transform.translationXSnapped) { newValue in
+            .onChange(of: transform.translationXSnapped) { newValue, oldValue  in
                 if newValue{
                     hapticsEngine.onSnap()
                 }else{
                     hapticsEngine.offSnap()
                 }
             }
-            .onChange(of: transform.translationYSnapped) { newValue in
+            .onChange(of: transform.translationYSnapped) { newValue, oldValue  in
                 if newValue{
                     hapticsEngine.onSnap()
                 }else{
                     hapticsEngine.offSnap()
                 }
             }
-            .onChange(of: transform.rotationSnapped) { newValue in
+            .onChange(of: transform.rotationSnapped) { newValue, oldValue  in
                 if newValue{
                     hapticsEngine.onSnap()
                 }else{
                     hapticsEngine.offSnap()
                 }
             }
-            .onChange(of: transform.scaleSnapped) { newValue in
+            .onChange(of: transform.scaleSnapped) { newValue, oldValue  in
                 if newValue{
                     hapticsEngine.onSnap()
                 }else{
                     hapticsEngine.offSnap()
                 }
             }
-            .onChange(of: scenePhase) { newValue in
+            .onChange(of: scenePhase) { newValue, oldValue in
                 if newValue == .active{
                     hapticsEngine.start()
                 }

Example/Example/BuildingBlocks/RenderParticles.swift

@@ -1,11 +1,11 @@
-// swift-tools-version: 5.6
+// swift-tools-version: 6.0
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
 
 let package = Package(
     name: "TransformGesture",
-    platforms: [.iOS(.v15)],
+    platforms: [.iOS(.v17)],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
         .library(