カードをシャッフルさせる

public class Cube1 : UdonSharpBehaviour
{
   [SerializeField]
   GameObject[] CardDeck; //カードとして使うオブジェクトの配列 (ObjectSyncコンポーネントをアタッチ)

   void Start()
   {
       
   }

   public override void Interact()
   {   

       //Cubeオーナーの切り替え
       if(!Networking.IsOwner(Networking.LocalPlayer, this.gameObject))
       {
           Networking.SetOwner(Networking.LocalPlayer, this.gameObject);
           
           foreach(GameObject card in CardDeck)
           {
               Networking.SetOwner(Networking.LocalPlayer, card);
           }
       }

       //シャッフル後のカード順を格納する配列
       int[] shuffleIndexArray = new int[CardDeck.Length];

       
       //カード位置のリセット
       for (int a=0; a<shuffleIndexArray.Length; a++)
       {
           shuffleIndexArray[a] = -1;

           var cardPos = CardDeck[a].transform.localPosition;
           var cardRoate = CardDeck[a].transform.localRotation;
           cardPos.x = 0.0F;
           cardPos.y = 0.0F;
           cardPos.z = 0.0F;

           cardRoate.x = 0.0F;
           cardRoate.y = 0.0F;
           cardRoate.z = 0.0F;

           CardDeck[a].transform.localPosition = cardPos;
           CardDeck[a].transform.localRotation = cardRoate;
       }


       //並び順を割り当てる
       for (int i=0; i<CardDeck.Length; i++)
       {
           bool SetIndex = false;

           do
           {
               bool isExists = false;
               int tempIndex = Random.Range(0, shuffleIndexArray.Length);

               for(int j=0; j<shuffleIndexArray.Length; j++)
               {
                   if(shuffleIndexArray[j] == tempIndex)
                   {
                       isExists = true;
                       break;
                   }
               }

               if(!isExists)
               {
                   shuffleIndexArray[i] = tempIndex;
                   SetIndex = true;
               }
           }
           while (!SetIndex);
       }

       //割り当てた並び順の数値で各カードオブジェクトの座標をシフトさせて並び替え
       for(int k=0; k<CardDeck.Length; k++)
       {
           var pos = CardDeck[k].transform.localPosition;

           pos.y = 0.01F * (float)shuffleIndexArray[k];

           CardDeck[k].transform.localPosition = pos;
           
       }

   }
}