Calling web services with Coroutines

gistfile1.txt

using Assets;
using Newtonsoft.Json;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Trivia : MonoBehaviour {
    public GameObject plane;
	// Use this for initialization
	void Start () {
		
	}
	
	// Update is called once per frame
	void Update () {
        if (Input.GetKeyDown(KeyCode.Space))
        {
            StartCoroutine(GetCage());

        }
    }
    float prevScale = 1f;
    IEnumerator DoOverTime()
    {
        while (prevScale > 0)
        {
            prevScale -= 0.01f;
            plane.transform.localScale = new Vector3(prevScale, prevScale, prevScale);
            yield return new WaitForSeconds(0.1f);
        }
        
    }

    IEnumerator GetData()
    {
        WWW www = new WWW("https://opentdb.com/api.php?amount=10&type=multiple");
        yield return www;
        print(www.text);
        var test = JsonConvert.DeserializeObject<RootObject>(www.text);
        var a = www.texture;
        var b = www.progress;
        
    }

    IEnumerator GetCage()
    {
        var randomDivensionx = Random.Range(200, 1600);
        var randomDivensiony = Random.Range(200, 1600);
        WWW www = new WWW("https://www.placecage.com/"+randomDivensionx+"/"+randomDivensiony);
        yield return www;
  
        plane.GetComponent<Renderer>().material.SetTexture("_MainTex", www.texture);
    }

   IEnumerator Example()
    {
        yield return new WaitForSeconds(2);
        yield return null; // skip frame, continue execution next frame (eg loop once per frame)
    }
}