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func scanText() {
        var superString:String = ""
        let requestHandler = VNImageRequestHandler(cgImage: (selectedImage?.cgImage)!)
        let request = VNRecognizeTextRequest{ (request, error) in
            guard let observations = request.results as? [VNRecognizedTextObservation] else { return }
            for textObjects in observations {
                let topCandiate = textObjects.topCandidates(1)
                if let recognizedText = topCandiate.first {
                    print(recognizedText.string)
                    superString += recognizedText.string

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//
//  ContentView.swift
//  Molecule
//
//  Created by localuser on 10.10.22.
//

import SwiftUI
import SceneKit
import Combine

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let doubleRecognizer = UITapGestureRecognizer(target: self, action: #selector(doubleTap(_:)))
doubleRecognizer.numberOfTapsRequired = 2
view.addGestureRecognizer(doubleRecognizer)

@objc func doubleTap(_ gestureRecognize: UIGestureRecognizer) {
  let p = gestureRecognize.location(in: view)
  let hitResults = view.hitTest(p, options: [:])

  if hitResults.count > 0 {
      var result = hitResults[0].node as? NewNode

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let longRecognizer = UILongPressGestureRecognizer(target: self, action: #selector(longTap(_:)))
    view.addGestureRecognizer(longRecognizer)

    @objc func longTap(_ gestureRecognize: UIGestureRecognizer) {
    let p = gestureRecognize.location(in: view)
    let hitResults = view.hitTest(p, options: [:])

    if hitResults.count > 0 {
        let result = hitResults[0].node as? NewNode
        if gestureRecognize.state == .ended {

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.gesture(
  DragGesture(minimumDistance: dragDistance)
      .onChanged { gesture in
          drag.send(gesture.location)
      }
  )
  
dragging = drag.sink(receiveValue: { [self] points in
    let hitResults = view.hitTest(points, options: [:])
    if hitResults.count > 0 {

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let panRecognizer = UIPanGestureRecognizer(target: self, action: #selector(handlePan(_:)))
view.addGestureRecognizer(panRecognizer)
   
@objc func handlePan(_ gestureRecognize: UIPanGestureRecognizer) {
    let p = gestureRecognize.location(in: view)
    let hitResults = view.hitTest(p, options: [:])

    if hitResults.count > 0 {
        let result = hitResults[hitResults.count - 1].node as? NewNode
        let newPosition = p.scnVector3Value(view: view, depth: Float(result!.position.z))

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while (intersects(point: newPosition, center: result!.position, radius: 0.5)) {
  if view.pointOfView!.worldPosition.x > 3.5 {
      result!.position.x += 1
  }
  if view.pointOfView!.worldPosition.x < -3.5 {
      result!.position.x -= 1
  }
  if view.pointOfView!.worldPosition.y > 3.5 {
      result!.position.y += 1
  }

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func intersects(point:SCNVector3, center:SCNVector3, radius:Float) -> Bool
{
    let displacementToCenter = point - center;
    let radiusSqr = radius * radius;
    let intersects = displacementToCenter.magnitude < radiusSqr;
    return intersects;
}

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if hitResults.count == 0 {
    var newPosition = p.scnVector3Value(view: view, depth: 0)
    if gestureRecognize.state == .ended {
        newPosition.x = newPosition.x.rounded(FloatingPointRoundingRule.toNearestOrEven)
        newPosition.y = newPosition.y.rounded(FloatingPointRoundingRule.toNearestOrEven)
        newPosition.z = newPosition.z.rounded(FloatingPointRoundingRule.toNearestOrEven)

        let newPart = moleculeBody(snakePosition: newPosition, name: String("Node \(name)"))
        name += 1

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func CGPointToSCNVector3(view: SCNView, depth: Float, point: CGPoint) -> SCNVector3 {
        let projectedOrigin = view.projectPoint(SCNVector3Make(0, 0, depth))
        let locationWithz   = SCNVector3Make(Float(point.x), Float(point.y), projectedOrigin.z)
        return view.unprojectPoint(locationWithz)
    }