Unity - Animation Blend Shapes

//Animation Blend Shapes

//Using C#

using UnityEngine;
using System.Collections;

public class BlendShapeExample : MonoBehaviour
{

       int blendShapeCount;
       SkinnedMeshRenderer skinnedMeshRenderer;
       Mesh skinnedMesh;
       float blendOne = 0f;
       float blendTwo = 0f;
       float blendSpeed = 1f;
       bool blendOneFinished = false;

       void Awake ()
       {
          skinnedMeshRenderer = GetComponent<SkinnedMeshRenderer> ();
          skinnedMesh = GetComponent<SkinnedMeshRenderer> ().sharedMesh;
       }

       void Start ()
       {
          blendShapeCount = skinnedMesh.blendShapeCount;
       }

       void Update ()
       {
          if (blendShapeCount > 2) {

                 if (blendOne < 100f) {
                    skinnedMeshRenderer.SetBlendShapeWeight (0, blendOne);
                    blendOne += blendSpeed;
                 } else {
                    blendOneFinished = true;
                 }

                 if (blendOneFinished == true && blendTwo < 100f) {
                    skinnedMeshRenderer.SetBlendShapeWeight (1, blendTwo);
                    blendTwo += blendSpeed;
                 }

          }
       }
}