Develop-19050-Frozen2/Unity-19050-08-DarkSea/Assets/Scripts/ScaleActivity.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UltraCombos;
public class ScaleActivity : Activity
{
    public float introTime = 1;
    public float outroTime = 1;

    protected override IEnumerator OnEnter()
    {
        yield return DoScaling( 1, introTime);
    }
    protected override IEnumerator OnLeave()
    {
        yield return DoScaling( 0, outroTime);
    }
    IEnumerator DoScaling( float to, float totalTime)
    {
        float from = transform.localScale.x;
        float scale = from;
         float startTime = Time.time;
        while (scale != to)
        {
            float duration = Time.time - startTime;            
            scale = Mathf.Lerp(from, to, duration / totalTime);
            transform.localScale = new Vector3(scale, scale, 1);
            yield return null;
        }
        yield break;
    }
}