Routesetting Backup #3

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class Place : MonoBehaviour
{
    [Header("Hold settings")]
    public List<GameObject> holds;
    public GameObject selectedHold;
    public bool holdSelected;
    public int HoldsMask = 1024;
    public int WallMask = 512;
    public int WallAndHoldsMask;
    public float holdUpRotation;

    [Header("UI settings")]
    public Image cursor;

    [Header("Camera settings")]
    public GameObject cam;

    [Header("Orbit settings")]
    public float orbitSpeed;                                // The speed at which the camera lerps
    public float orbitSensitivity;                          // The amount of orbiting for the mouse movement
    private Vector3 orbitTarget;                            // The target of the camera rotation

    [Header("Zoom settings")]
    public float zoomSpeed;                                 // The speed at which the zoom lerps
    public float zoomSensitivity;                           // The amount of zoom for the mouse scolling
    private Vector3 zoomTarget = new Vector3(0, 0, -10);    // The target of the zooming

    private void Start() {
        WallAndHoldsMask = HoldsMask | WallMask;
    }

    void Update()
    {
        if(holdSelected) {
            // Move UI cursor
            Vector2 pos = Camera.main.WorldToScreenPoint(selectedHold.transform.position);
            cursor.gameObject.transform.position = pos;
            Debug.DrawLine(selectedHold.transform.position, selectedHold.transform.position + selectedHold.transform.up, Color.red);
        }

        if(Input.GetMouseButton(0) && holdSelected) {
            // move selectedHold
            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            RaycastHit hit;

            if (Physics.Raycast(ray, out hit, Mathf.Infinity, WallAndHoldsMask)) {
                selectedHold.transform.position = hit.point;
                selectedHold.transform.up = hit.normal;
                Debug.Log("Is supposed to rotate " + holdUpRotation + " degrees.");
                selectedHold.transform.RotateAround(selectedHold.transform.position, selectedHold.transform.up, holdUpRotation);
            }
        }

        if(Input.GetMouseButtonDown(0) && !holdSelected) {
            // Select raycasthit
            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            RaycastHit hit;

            if (Physics.Raycast(ray, out hit, Mathf.Infinity, HoldsMask)) {
                cursor.enabled = true;
                selectedHold = hit.collider.gameObject;
                selectedHold.GetComponent<MeshCollider>().enabled = false;
                holdSelected = true;
            }
        }

        if(Input.GetMouseButtonDown(1) && !holdSelected) {
            // Create new hold
            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            RaycastHit hit;

            if (Physics.Raycast(ray, out hit, Mathf.Infinity, WallAndHoldsMask)) {
                selectedHold = Instantiate(holds[Random.Range(0, holds.Count)], hit.point, Quaternion.identity);
                holdSelected = true;
                cursor.enabled = true;
                selectedHold.transform.up = hit.normal;
            }
        }

        if(Input.GetMouseButton(1) && holdSelected) {
            // Rotate selectedHold
            float angle = Input.GetAxis("Mouse X") * 10;
            selectedHold.transform.Rotate(Vector3.up, angle);
            holdUpRotation += angle;
            Debug.DrawLine(selectedHold.transform.position, selectedHold.transform.position + selectedHold.transform.forward, Color.blue);
        }

        if(Input.GetKeyDown(KeyCode.Return) && holdSelected) {
            // Deselect selectedHold
            holdSelected = false;
            selectedHold.GetComponent<MeshCollider>().enabled = true;
            selectedHold = null;
            cursor.enabled = false;
        }

        if(Input.GetKeyDown(KeyCode.Delete) && holdSelected) {
            // Delete selectedHold
            Destroy(selectedHold);
            holdSelected = false;
            selectedHold = null;
            cursor.enabled = false;
        }

        {
            // Camera movement
            if(Input.GetMouseButton(2)) {
                // Orbit camera
                orbitTarget += new Vector3(-Input.GetAxis("Mouse Y") * orbitSensitivity, Input.GetAxis("Mouse X") * orbitSensitivity, 0);
                orbitTarget.z = 0;
            }

            // Apply orbit
            Quaternion q = Quaternion.Euler(orbitTarget.x, orbitTarget.y, 0);
            transform.rotation = Quaternion.Lerp(transform.rotation, q, Time.deltaTime * orbitSpeed);

            // Zoom camera
            zoomTarget += new Vector3(0, 0, Input.mouseScrollDelta.y * zoomSensitivity);

            // Apply zoom
            if(cam.transform.localPosition != zoomTarget) {
                cam.transform.localPosition = Vector3.Lerp(cam.transform.localPosition, zoomTarget, Time.deltaTime * zoomSpeed);
            }
        }
    }
}