How to randomly select multiple gameobjects from array?

Question

Hi guys. I'm a newbie. I want to select multiple game objects from a list of array that i have stored, and no 2 game objects are the same. This is the code that I have written.

 void PlaneDisappear()
     {
         randomGround = GameObject.FindGameObjectsWithTag("Ground");
 
         iOne = Random.Range(0, randomGround.Length);
 
         iTwo = Random.Range(0, randomGround.Length);
         while (iOne == iTwo)
         {
             iTwo = Random.Range(0, randomGround.Length);
         }
 
         iThree = Random.Range(0, randomGround.Length);
         while (iOne == iTwo || iOne == iThree || iTwo == iThree)
         {
             iThree = Random.Range(0, randomGround.Length);
         }
 
         disappearGroundOne = randomGround[iOne];
         disappearGroundTwo = randomGround[iTwo];
         disappearGroundThree = randomGround[iThree];
        
         disappearGroundOne.active = false;
         disappearGroundTwo.active = false;
         disappearGroundThree.active = false;
     }

Surely there is an easier and simpler way. Can anyone help? Thanks and appreciate it!

Answer 1

Answer by unity_ek98vnTRplGj8Q · Feb 01, 2021 at 09:33 PM

 randomGround = GameObject.FindGameObjectsWithTag("Ground");
 for(int i=0; i<3; i++){
     int index = Random.Range(0, randomGround.Length);
     randomGround[index].active = false;
     randomGround.RemoveAt(index);
 }

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How to randomly select multiple gameobjects from array?

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