Merge VRM1.0 rendering (#47)

Example/Example.xcodeproj/project.pbxproj

@@ -15,6 +15,7 @@
 		067C5C522AAD6D8B00F8FBB3 /* VRMSceneKit in Frameworks */ = {isa = PBXBuildFile; productRef = 067C5C512AAD6D8B00F8FBB3 /* VRMSceneKit */; };
 		06E1164E2F277C6D00D74CA4 /* VRMKit in Frameworks */ = {isa = PBXBuildFile; productRef = 06E1164D2F277C6D00D74CA4 /* VRMKit */; };
 		06E116502F277C6D00D74CA4 /* VRMRealityKit in Frameworks */ = {isa = PBXBuildFile; productRef = 06E1164F2F277C6D00D74CA4 /* VRMRealityKit */; };
+		06E116552F333D8700D74CA4 /* VRMSceneKit in Frameworks */ = {isa = PBXBuildFile; productRef = 06E116562F333D8700D74CA4 /* VRMSceneKit */; };
 		06E116522F277D1800D74CA4 /* AliciaSolid.vrm in Resources */ = {isa = PBXBuildFile; fileRef = 06E116512F277D1700D74CA4 /* AliciaSolid.vrm */; };
 		06E116542F277ED600D74CA4 /* AliciaSolid.vrm in Resources */ = {isa = PBXBuildFile; fileRef = 06E116512F277D1700D74CA4 /* AliciaSolid.vrm */; };
 		06F0BD792AAD81A40089488C /* WatchExample Watch App.app in Embed Watch Content */ = {isa = PBXBuildFile; fileRef = 06F0BD6C2AAD81A30089488C /* WatchExample Watch App.app */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
@@ -106,6 +107,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				06E116552F333D8700D74CA4 /* VRMSceneKit in Frameworks */,
 				06E116502F277C6D00D74CA4 /* VRMRealityKit in Frameworks */,
 				06E1164E2F277C6D00D74CA4 /* VRMKit in Frameworks */,
 			);
@@ -212,6 +214,7 @@
 			packageProductDependencies = (
 				06E1164D2F277C6D00D74CA4 /* VRMKit */,
 				06E1164F2F277C6D00D74CA4 /* VRMRealityKit */,
+				06E116562F333D8700D74CA4 /* VRMSceneKit */,
 			);
 			productName = MacExample;
 			productReference = 06E116422F277AEA00D74CA4 /* MacExample.app */;
@@ -866,6 +869,10 @@
 			isa = XCSwiftPackageProductDependency;
 			productName = VRMRealityKit;
 		};
+		06E116562F333D8700D74CA4 /* VRMSceneKit */ = {
+			isa = XCSwiftPackageProductDependency;
+			productName = VRMSceneKit;
+		};
 		06F0BD7E2AAD82120089488C /* VRMKit */ = {
 			isa = XCSwiftPackageProductDependency;
 			package = A1B2C3D4E5F60718293A4B61 /* XCLocalSwiftPackageReference ".." */;

Example/Example.xcodeproj/xcshareddata/xcschemes/MacExample.xcscheme

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "2620"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "06E116412F277AEA00D74CA4"
+               BuildableName = "MacExample.app"
+               BlueprintName = "MacExample"
+               ReferencedContainer = "container:Example.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldAutocreateTestPlan = "YES">
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "06E116412F277AEA00D74CA4"
+            BuildableName = "MacExample.app"
+            BlueprintName = "MacExample"
+            ReferencedContainer = "container:Example.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "06E116412F277AEA00D74CA4"
+            BuildableName = "MacExample.app"
+            BlueprintName = "MacExample"
+            ReferencedContainer = "container:Example.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

Example/Example/ExampleModel.swift

@@ -0,0 +1,97 @@
+import CoreGraphics
+import Foundation
+internal import VRMKit
+internal import VRMSceneKit
+
+#if canImport(RealityKit)
+internal import VRMRealityKit
+#endif
+
+enum VRMExampleModel: String, CaseIterable, Identifiable {
+    case alicia = "AliciaSolid.vrm"
+    case vrm1 = "VRM1_Constraint_Twist_Sample.vrm"
+
+    var id: String { rawValue }
+
+    var displayName: String {
+        switch self {
+        case .alicia: return "Alicia"
+        case .vrm1: return "VRM 1.0"
+        }
+    }
+
+    var initialRotation: Float {
+        switch self {
+        case .alicia: return 0
+        case .vrm1: return .pi
+        }
+    }
+}
+
+enum ExampleExpression: String, CaseIterable {
+    case neutral
+    case joy
+    case angry
+    case sorrow
+    case fun
+
+    var blendShapePreset: BlendShapePreset {
+        switch self {
+        case .neutral: return .neutral
+        case .joy: return .joy
+        case .angry: return .angry
+        case .sorrow: return .sorrow
+        case .fun: return .fun
+        }
+    }
+
+    var expressionPreset: ExpressionPreset {
+        switch self {
+        case .neutral: return .neutral
+        case .joy: return .happy
+        case .angry: return .angry
+        case .sorrow: return .sad
+        case .fun: return .relaxed
+        }
+    }
+
+    func displayName(for model: VRMExampleModel) -> String {
+        switch model {
+        case .alicia:
+            return rawValue.capitalized
+        case .vrm1:
+            switch self {
+            case .neutral: return "Neutral"
+            case .joy: return "Happy"
+            case .angry: return "Angry"
+            case .sorrow: return "Sad"
+            case .fun: return "Relaxed"
+            }
+        }
+    }
+}
+
+extension VRMNode {
+    func setExampleExpression(_ expression: ExampleExpression, value: CGFloat) {
+        switch vrm {
+        case .v0:
+            setBlendShape(value: value, for: .preset(expression.blendShapePreset))
+        case .v1:
+            setExpression(value: value, for: .preset(expression.expressionPreset))
+        }
+    }
+}
+
+#if canImport(RealityKit)
+@available(iOS 18.0, *)
+extension VRMEntity {
+    func setExampleExpression(_ expression: ExampleExpression, value: CGFloat) {
+        switch vrm {
+        case .v0:
+            setBlendShape(value: value, for: .preset(expression.blendShapePreset))
+        case .v1:
+            setExpression(value: value, for: .preset(expression.expressionPreset))
+        }
+    }
+}
+#endif

Example/Example/RealityKitViewController.swift

@@ -11,11 +11,13 @@ final class RealityKitViewController: UIViewController, UIGestureRecognizerDeleg
     private var loadedEntity: VRMEntity?
     private var cameraAnchor: AnchorEntity?
     private var cameraEntity: PerspectiveCamera?
+    private var expressionSegmentedControl: UISegmentedControl?
     private var orbitYaw: Float = 0
     private var orbitPitch: Float = -0.1
     private var orbitDistance: Float = 2
     private var orbitTarget = SIMD3<Float>(0, 0.8, 0)
-    private var currentExpression: Expression = .neutral
+    private var currentModel: VRMExampleModel = .alicia
+    private var currentExpression: ExampleExpression = .neutral
 
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -52,12 +54,13 @@ final class RealityKitViewController: UIViewController, UIGestureRecognizerDeleg
         segmentedControl.translatesAutoresizingMaskIntoConstraints = false
         view.addSubview(segmentedControl)
 
-        let expressionItems = Expression.allCases.map { $0.displayName }
+        let expressionItems = ExampleExpression.allCases.map { $0.displayName(for: currentModel) }
         let expressionSegmentedControl = UISegmentedControl(items: expressionItems)
         expressionSegmentedControl.selectedSegmentIndex = 0
         expressionSegmentedControl.addTarget(self, action: #selector(expressionSegmentChanged(_:)), for: .valueChanged)
         expressionSegmentedControl.translatesAutoresizingMaskIntoConstraints = false
         view.addSubview(expressionSegmentedControl)
+        self.expressionSegmentedControl = expressionSegmentedControl
 
         NSLayoutConstraint.activate([
             segmentedControl.centerXAnchor.constraint(equalTo: view.centerXAnchor),
@@ -73,15 +76,18 @@ final class RealityKitViewController: UIViewController, UIGestureRecognizerDeleg
     }
 
     @objc private func expressionSegmentChanged(_ sender: UISegmentedControl) {
-        let expression = Expression.allCases[sender.selectedSegmentIndex]
-        loadedEntity?.setBlendShape(value: 0.0, for: .preset(currentExpression.preset))
+        let expression = ExampleExpression.allCases[sender.selectedSegmentIndex]
+        loadedEntity?.setExampleExpression(currentExpression, value: 0.0)
         currentExpression = expression
-        loadedEntity?.setBlendShape(value: 1.0, for: .preset(currentExpression.preset))
+        loadedEntity?.setExampleExpression(currentExpression, value: 1.0)
     }
 
     private func loadVRM(model: VRMExampleModel) {
         guard let arView = arView else { return }
 
+        currentModel = model
+        updateExpressionLabels()
+
         if let loadedEntity = loadedEntity {
             loadedEntity.entity.removeFromParent()
             self.loadedEntity = nil
@@ -122,7 +128,7 @@ final class RealityKitViewController: UIViewController, UIGestureRecognizerDeleg
             if let rightArm {
                 rightArm.transform.rotation = rightArm.transform.rotation * armRotation
             }
-            vrmEntity.setBlendShape(value: 1.0, for: .preset(currentExpression.preset))
+            vrmEntity.setExampleExpression(currentExpression, value: 1.0)
 
             loadedEntity = vrmEntity
 
@@ -153,6 +159,18 @@ final class RealityKitViewController: UIViewController, UIGestureRecognizerDeleg
         }
     }
 
+    private func updateExpressionLabels() {
+        guard let expressionSegmentedControl else { return }
+        let selectedIndex = expressionSegmentedControl.selectedSegmentIndex
+        expressionSegmentedControl.removeAllSegments()
+        for (index, expression) in ExampleExpression.allCases.enumerated() {
+            expressionSegmentedControl.insertSegment(withTitle: expression.displayName(for: currentModel),
+                                                     at: index,
+                                                     animated: false)
+        }
+        expressionSegmentedControl.selectedSegmentIndex = selectedIndex >= 0 ? selectedIndex : 0
+    }
+
     private func setUpCamera() {
         guard let arView = arView else { return }
         let cameraAnchor = AnchorEntity(world: .zero)