Slot machine-like dice animation

Dice.cs

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

public class DiceManager: MonoBehaviour {
 /* component reference */
 private Image image;
 private TravelLightsDisplay hud;

 /* path variables */
 private string path = "dice_faces_hd";
 private string prefix = "";
 private string suffix = "_dot";

 /* animation variables */
 [SerializeField] private int dCons = 15;
 [SerializeField] private int dExp = 5;
 private int dTotal;
 [SerializeField] private float tBase = 0.05 f;
 private float tNext;
 private int count = 1;
 [SerializeField] private float mod = 5 f;
 private float tick;
 private bool anim = false;
 private int diceNum = 0;
 private int currDiceNum;

 void Start() {
  image = this.GetComponent < Image > ();

  dTotal = dCons + dExp;
  tick = 0 f;
  tNext = tBase;
  currDiceNum = diceNum;
 }

 void Update() {
  if (anim) {
   tick += Time.deltaTime;
   if (tick > tNext) {
    if (!(count > dTotal)) {
     if (count > dCons) {
      tNext = tBase * Mathf.Pow(mod, Mathf.Log(count - dCons));
     }

     int i = genNum();
     if (count == dTotal) {
      while (i == currDiceNum || i == diceNum) {
       i = genNum();
      }
      changeFace(i);
     } else {
      while (i == currDiceNum) {
       i = genNum();
      }
      changeFace(i);
     }

     resetTick();
     count++;

    } else {
     changeFace(diceNum);
     hud.changeLightHUD(diceNum);
     tNext = tBase;
     resetTick();
     count = 0;
     anim = false;
    }
   }
  }
 }

 string getPath(int diceNum) {
  return (path != "" ? path + "/" : "") + prefix + diceNum.ToString() + suffix;
 }

 public void rolled(int diceNum) {
  this.diceNum = diceNum;
  anim = true;
 }

 void resetTick() {
  tick = 0 f;
 }

 int genNum() {
  return Random.Range(1, 7);
 }

 void changeFace(int diceNum) {
  image.overrideSprite = Resources.Load < Sprite > (getPath(diceNum));
  currDiceNum = diceNum;
 }
}