Onto lesson 2

Assets/Scripts/CameraController.cs

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+using System;
+using UnityEngine;
+using UnityEngine.Scripting.APIUpdating;
+
+public class CameraController : MonoBehaviour
+{
+    public float moveSpeed;
+    public float zoomSpeed;
+    public float minZoomDist;
+    public float maxZoomDist;
+    private Camera cam;
+    void Awake()
+    {
+        cam = Camera.main;
+    }
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        Move();
+        Zoom();   
+    }
+
+    private void Move()
+    {
+        float xInput = Input.GetAxisRaw("Horizontal");
+        float zInput = Input.GetAxisRaw("Vertical");
+        Vector3 dir = transform.forward * zInput + transform.right * xInput;
+        transform.position += dir * moveSpeed * Time.deltaTime;
+    }
+    private void Zoom()
+    {
+        float scrollInput = Input.GetAxisRaw("Mouse ScrollWheel");
+        float dist = Vector3.Distance(transform.position, cam.transform.position);
+        if(dist < minZoomDist && scrollInput > 0.0f)
+        return;
+        if(dist > maxZoomDist && scrollInput < 0.0f)
+        return;
+        cam.transform.position += cam.transform.forward * scrollInput * zoomSpeed;
+    }
+    public void FocusOnPosition(Vector3 pos)
+    {
+        transform.position = pos;
+    }
+}