Camera Controller

/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*\
|                                                               |
|          Made by Jason Helman © Jason Tech And Games          |
|   I do not condone the use of my work without my permission   |
|                                                               |
\*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/

using System;
using UnityEngine;

public class CameraController : MonoBehaviour
{
    public Transform player;

    // How long the object should shake for.
    [NonSerialized]
    public float directionalShakeDuration = 0f;

    [NonSerialized]
    public float radialShakeDuration = 0f;

    // Amplitude of the shake. A larger value shakes the camera harder.
    [NonSerialized]
    public float directionalShakeAmount = 0.1f;

    [NonSerialized]
    public float directionalDecreaseFactor = 10f;

    [NonSerialized]
    public float radialShakeAmount = 0.1f;

    [NonSerialized]
    public float radialDecreaseFactor = 10f;

    [NonSerialized]
    public Vector2 directionalWeight = Vector2.zero;

    private Camera mainCamera;
    private Transform mainCameraTransform;

    private void Awake()
    {
        mainCamera = Camera.main;
        mainCameraTransform = mainCamera.transform;
    }

    private void LateUpdate()
    {
        Vector3 newCameraPosition = player.position + (mainCamera.ScreenToWorldPoint(Input.mousePosition) - player.position) * 0.35f;

        if (directionalShakeDuration <= 0f)
            directionalShakeDuration = 0f;
        else
        {
            newCameraPosition += DirectionalScreenShake(directionalWeight.x, directionalWeight.y);
            directionalShakeDuration -= Time.deltaTime * directionalDecreaseFactor;
        }

        if (radialShakeDuration <= 0f)
            radialShakeDuration = 0f;
        else
        {
            newCameraPosition += RadialScreenShake();
            radialShakeDuration -= Time.deltaTime * radialDecreaseFactor;
        }

        newCameraPosition.z = -10f;

        if (mainCameraTransform.position != newCameraPosition)
            mainCameraTransform.position = newCameraPosition;
    }

    private Vector3 DirectionalScreenShake(float xWeight, float yWeight)
    {
        return UnityEngine.Random.Range(-1f, 1f) * directionalShakeAmount * xWeight * player.transform.right +
               UnityEngine.Random.Range(-1f, 1f) * directionalShakeAmount * yWeight * player.transform.up;
    }

    private Vector3 RadialScreenShake()
    {
        return UnityEngine.Random.insideUnitSphere * radialShakeAmount;
    }
}