Improve hand tracking for VCam Tracking 2.0

app/xcode/Sources/VCamTracking/AvatarWebCamera.swift

@@ -163,9 +163,8 @@ public final class AvatarWebCamera {
             prevHands[1].setValues(.init(right.wrist.x * 0.5, right.wrist.y))
         }
 
-        // A real human finds it tedious to move their hands, so make it exaggerate the movement a bit (also helps to avoid the issue of accuracy dropping at the edges of the camera's field of view)
-        let wristLeft = prevHands[0].appending(min(left.wrist * 1.1, 1))
-        let wristRight = prevHands[1].appending(min(right.wrist * 1.1, 1))
+        let wristLeft = prevHands[0].appending(left.wrist)
+        let wristRight = prevHands[1].appending(right.wrist)
         let thumbCMCLeft = prevHands[2].appending(left.thumbCMC)
         let thumbCMCRight = prevHands[3].appending(right.thumbCMC)
         let littleMCPLeft = prevHands[4].appending(left.littleMCP)

app/xcode/Sources/VCamTracking/VCamHands.swift

@@ -168,12 +168,16 @@ public extension VCamHands.Hand {
 
         // Originally, the origin is the bottom right, with the top left being positive (opposite of a mirror)
         // Convert to a coordinate system where the center of the body is the origin and left-right is the positive direction (0.0 to 1.0)
-        let wrist = SIMD2(
-            x: isRight ? (1 - hand.wrist.x) * 2 - 1 : hand.wrist.x * 2 - 1,
-            y: hand.wrist.y
-        )
-        let thumbCMC = hand.thumbCMC
-        let littleMCP = hand.littleMCP
+        let wrist: SIMD2<Float>, thumbCMC: SIMD2<Float>, littleMCP: SIMD2<Float>
+        if isRight {
+            wrist = SIMD2(x: 1 - hand.wrist.x * 2, y: hand.wrist.y)
+            thumbCMC = SIMD2(x: 1 - hand.thumbCMC.x * 2, y: hand.thumbCMC.y)
+            littleMCP = SIMD2(x: 1 - hand.littleMCP.x * 2, y: hand.littleMCP.y)
+        } else {
+            wrist = SIMD2(x: hand.wrist.x * 2 - 1, y: hand.wrist.y)
+            thumbCMC = SIMD2(x: hand.thumbCMC.x * 2 - 1, y: hand.thumbCMC.y)
+            littleMCP = SIMD2(x: hand.littleMCP.x * 2 - 1, y: hand.littleMCP.y)
+        }
 
         guard config.isFingerEnabled else {
             self.init(wrist: wrist, thumbCMC: thumbCMC, littleMCP: littleMCP, thumbTip: 0.7, indexTip: 0.7, middleTip: 0.7, ringTip: 0.7, littleTip: 0.7)

app/xcode/Sources/VCamUI/Extensions/NSApp+.swift

@@ -14,6 +14,8 @@ public extension NSApplication {
     }
 
     var vcamWindow: NSWindow? {
-        windows.first { $0.title == "VCam" }
+        Self._vcamWindow
     }
+
+    private static var _vcamWindow = NSApp.windows.first { $0.title == "VCam" } // for Unity
 }

app/xcode/Sources/VCamUI/VCamSystem.swift

@@ -63,8 +63,7 @@ public final class VCamSystem {
 
     public func configure() {
         guard windowManager.isUnity else { return }
-        windowManager.setUpWindow()
-        windowManager.setUpView()
+        NSApp.vcamWindow?.orderFront(nil)
     }
 
     public func startSystem() {

app/xcode/Sources/VCamUI/WindowManager.swift

@@ -147,12 +147,11 @@ public final class WindowManager: ObservableObject {
         Logger.log("")
         VCamSystem.shared.dispose()
         isConfigured = false
-        containerView.subviews.forEach { $0.removeFromSuperview() } // for Unity
 
         if isUnity {
             uniDebugLog("WindowManager.dispose()")
             SceneObjectManager.shared.dispose()
-            NSApp.vcamWindow?.close()
+            NSApp.vcamWindow?.orderOut(nil)
         } else {
             NSApp.stop(nil)
         }