working on quest and interaction system

Assets/Synty/PolygonDog/Scripts/POLYGON_CameraController.cs

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+/*
+ * POLYGON DOG CAMERA CONTROLLER SCRIPT
+ * DESCRIPTION: This script demonstrates the range of animations and Prefabs included in 
+ * Polygon Dog which can be customized for the users preference. Please attach this to the
+ * Dog.Prefab asset then customize the keys for the particular animations.
+ * 
+ * PLEASE NOTE: This script is intended for demonstration purposes and user customization or 
+ * third party animation plugins will be required for further animation options
+ */
+using UnityEngine;
+public class POLYGON_CameraController : MonoBehaviour
+{
+    public Transform target;
+    public float followSpeed = 20f;
+    public float rotationSpeed = 20f;
+    public float cameraRotationX = 15.0f;
+    public float cameraPositionY = 1.8f;
+    public float cameraPositionZ = 2.0f;
+    float distance;
+    Vector3 position;
+    Vector3 newPosition;
+    Quaternion rotation;
+    Quaternion newRotation;
+    Transform camera;
+    // (Move to input script)
+    float MouseX;
+    void Start()
+    {
+        //camera start
+        distance = transform.position.y - target.position.y;
+        position = new Vector3(target.position.x, target.position.y + distance, target.position.z);
+        rotation = Quaternion.Euler(new Vector3(45f, target.rotation.eulerAngles.y, 0f));
+        // camera offset 
+        camera = this.gameObject.transform.GetChild(0);
+        camera.position = new Vector3(0f, cameraPositionY, cameraPositionZ);
+        camera.rotation = Quaternion.Euler(cameraRotationX, 0f, 0f);
+    }
+    void Update()
+    {
+        MouseX += Input.GetAxis("Mouse X");
+    }
+    void LateUpdate()
+    {
+        if (target)
+        {
+            //camera follow
+            newPosition = target.position;
+            newPosition.y += (distance);
+            newRotation = Quaternion.Euler(new Vector3(0f, target.rotation.eulerAngles.y + MouseX, 0f));
+            position = Vector3.Lerp(position, newPosition, followSpeed * Time.deltaTime);
+            rotation = Quaternion.Lerp(rotation, newRotation, rotationSpeed * Time.deltaTime);
+            transform.position = position;
+            transform.rotation = rotation;
+        }
+    }
+}