Laika controller

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

public class laikaController : MonoBehaviour {

    Camera cam;
    laikaMotor motor;
    public LayerMask movementMask;
    public UnityEngine.AI.NavMeshAgent agent;
    [SerializeField] GameObject interactable;
    public bool canInteract = false;
    public Text textOne;

    void Start() {
        cam = Camera.main;
        motor = GetComponent<laikaMotor>();
    }

    void Update() {
        Ray ray = cam.ScreenPointToRay(Input.mousePosition);
        RaycastHit hit;


        if (Input.GetMouseButtonDown(0)) {
            {
                    if (Physics.Raycast(ray, out hit, 100, movementMask)) {
                        motor.moveToPoint(hit.point);
                        agent.speed = 3.5f;
                    }
            }
        }
    }
    private void OnTriggerEnter(Collider other) {
        if(other.gameObject.tag == "Interactable") {
            print("interacting");
            agent.speed = 0f;
            canInteract = true;
        }
    }
    void OnTriggerExit() {
        canInteract = false;
    }
}