ScalePlayableBehaviour.cs

ScalePlayableBehaviour.cs

using UnityEngine;
using UnityEngine.Playables;

public class ScalePlayableBehaviour : PlayableBehaviour
{
    public GameObject targetObject;
    public Vector3 startScale;
    public Vector3 endScale;

    public override void ProcessFrame(Playable playable, FrameData info, object playerData)
    {
        if (targetObject == null)
        {
            return;
        }
        var t = (float)playable.GetTime() / (float)playable.GetDuration();
        float leapt = (t * t) * (3f - (2f * t));
        targetObject.transform.localScale = Vector3.Lerp(startScale, endScale, Mathf.Clamp01(leapt));
    }
}