Camera Contrals

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

public class Controls : MonoBehaviour
{
    private float cameraSpeed = 0.001f;
    private float cameraHorizontal = 0f;
    private float cameraVertical = 0f;
    private float linearSpeedLimit = 1f;
    private float cameraDistance = 5f;

    // Start is called before the first frame update
    void Start()
    {
        Debug.Log("Hello World");
        Debug.Log(Input.GetAxis("Horizontal"));
        linearSpeedLimit = GetComponent<Camera>().orthographicSize/5f;
    }

    // Update is called once per frame
    void Update()
    {

        if (Input.GetKeyDown("space")) //Display Debug
        {
            Debug.Log("Horizontal force: "+cameraHorizontal+". Vertical force: "+cameraVertical+".");
            Debug.Log("Linear Speed Limit: "+linearSpeedLimit);
            Debug.Log("Camera Distance from Tiles: "+cameraDistance);
            Debug.Log(transform.position[1]);
        }

        if (Input.mouseScrollDelta.y > 0f) //if mousewheel up then zoom in by changing camera size
        {
            linearSpeedLimit = GetComponent<Camera>().orthographicSize/5f;
            cameraDistance -= (cameraSpeed*GetComponent<Camera>().orthographicSize/0.01f);
            GetComponent<Camera>().orthographicSize = cameraDistance;
        }
        else if (Input.mouseScrollDelta.y < 0f) //if mousewheel down then zoom out by changing camera size
        {
            linearSpeedLimit = GetComponent<Camera>().orthographicSize/5f;
            cameraDistance += (cameraSpeed*GetComponent<Camera>().orthographicSize/0.01f);
            GetComponent<Camera>().orthographicSize = cameraDistance;
        }

        if (cameraDistance < 1) //limit how close the camera can get
        {
            cameraDistance = 1;
            GetComponent<Camera>().orthographicSize = cameraDistance;
        }
        if (cameraDistance > 20) //limit how far the camera can get
        {
            cameraDistance = 20;
            GetComponent<Camera>().orthographicSize = cameraDistance;
        }

        if (Input.GetKey("w")) //if "w" then move camera up
            cameraVertical += cameraDistance;

        if (Input.GetKey("s"))//if "s" then move camera down
            cameraVertical -= cameraDistance;

        if (Input.GetKey("a"))//if "a" then move camera left
            cameraHorizontal -= cameraDistance;

        if (Input.GetKey("d"))//if "d" then move camera right
            cameraHorizontal += cameraDistance;

        if (cameraHorizontal > 0.1 * linearSpeedLimit) //Max camera speeds
            cameraHorizontal = 0.1f * linearSpeedLimit;
        if (cameraHorizontal < -0.1 * linearSpeedLimit)
            cameraHorizontal = -0.1f * linearSpeedLimit;
        if (cameraVertical > 0.1 * linearSpeedLimit)
            cameraVertical = 0.1f * linearSpeedLimit;
        if (cameraVertical < -0.1 * linearSpeedLimit)
            cameraVertical = -0.1f * linearSpeedLimit;

        //actual translate function
        transform.Translate(cameraHorizontal, cameraVertical, 0);
        transform.localScale = new Vector3(cameraDistance, cameraDistance, 1f);

        //Maxxing out position
        if (transform.position[1] > 44)//Y Position top
            transform.position = new Vector3(transform.position[0], 44, -1);
        else if(transform.position[1] < -23)//Y Position bottom
            transform.position = new Vector3(transform.position[0], -23, -1);
        if (transform.position[0] > 20)//X Position top
            transform.position = new Vector3(20, transform.position[1], -1);
        else if(transform.position[0] < -70)//X Position bottom
            transform.position = new Vector3(-70, transform.position[1], -1);

        if (!Input.GetKey("d")&&!Input.GetKey("a")) //is D and A are not pressed
        {
            if (cameraHorizontal > 0)//Camera smoothing factors
                cameraHorizontal -= 0.001f * linearSpeedLimit;
            if (cameraHorizontal < 0)//Camera smoothing factors
                cameraHorizontal += 0.001f * linearSpeedLimit;
            if (cameraHorizontal < 0.001 * linearSpeedLimit*5 && cameraHorizontal > -0.001 * linearSpeedLimit*5)//Camera stop
                cameraHorizontal = 0;
        }
        if (!Input.GetKey("w")&&!Input.GetKey("s"))//is W and S are not pressed
        {
            if (cameraVertical > 0)//Camera smoothing factors
                cameraVertical -= 0.001f * linearSpeedLimit;
            if (cameraVertical < 0)//Camera smoothing factors
                cameraVertical += 0.001f * linearSpeedLimit;
            if (cameraVertical < 0.001 * linearSpeedLimit*5 && cameraVertical > -0.001 * linearSpeedLimit*5)//Camera stop
                cameraVertical = 0;
        }
    }
}