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        if let leftShoulderPoint = points[.leftShoulder], let leftWristPoint = points[.leftWrist],
           leftShoulderPoint.confidence > 0.5, leftWristPoint.confidence > 0.5 {

            let leftShoulder = CGPoint(x: CGFloat(leftShoulderPoint.location.x), y: CGFloat(leftShoulderPoint.location.y))
            let leftWrist = CGPoint(x: CGFloat(leftWristPoint.location.x), y: CGFloat(leftWristPoint.location.y))
            let leftArmAngle = angleBetweenPoints(from: leftShoulder, to: leftWrist) - .pi / 2

            if let rightArmNode = scene?.rootNode.childNode(withName: "right_arm_joint", recursively: true) {
                rightArmNode.eulerAngles.y = Float(-leftArmAngle)
            }
        }

        if let rightShoulderPoint = points[.rightShoulder], let rightWristPoint = points[.rightWrist],
           rightShoulderPoint.confidence > 0.5, rightWristPoint.confidence > 0.5 {

            let rightShoulder = CGPoint(x: CGFloat(rightShoulderPoint.location.x), y: CGFloat(rightShoulderPoint.location.y))
            let rightWrist = CGPoint(x: CGFloat(rightWristPoint.location.x), y: CGFloat(rightWristPoint.location.y))
            let rightArmAngle = angleBetweenPoints(from: rightShoulder, to: rightWrist) + .pi / 2
            
            if let leftArmNode = scene?.rootNode.childNode(withName: "left_arm_joint", recursively: true) {
                leftArmNode.eulerAngles.y = Float(rightArmAngle)
            }
        }