Unity C# Pixabay API Search Images https://pixabay.com/ja/service/about/api/ #Unity

PixabayImageSearchExample.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.UI;

namespace Yu
{
	/// <summary>
	/// Pixabay API - Search Images
	/// <see href="https://pixabay.com/api/docs/">HERE</see>
	/// </summary>
	public class PixabayImageSearchExample : MonoBehaviour
	{

#region Public Variables

		public Text SearchInput;
		
		[System.Serializable]
		public class PixabayResults
		{
			public PixabayResult[] hits;

		}
		
		/// <summary>
		/// Search Images
		/// <see href="https://pixabay.com/api/docs/#api_search_images">HERE</see>
		/// </summary>
		[System.Serializable]
		public class PixabayResult
		{
			public string previewURL;
			public int previewWidth;
			public int previewHeight;
			
			public string webformatURL;
			public int webformatWidth;
			public int webformatHeight;
			
			public string largeImageURL;
			public int imageWidth;
			public int imageHeight;
		}
		
#endregion


#region Private Variables

		// getkey https://pixabay.com/ja/service/about/api/
		[SerializeField]
		private string pixabay_apikey;


#endregion

		void Start()
		{
			
		}
		
		IEnumerator getSearch(string q)
		{
			UnityWebRequest www = UnityWebRequest.Get(
				"https://pixabay.com/api/?key=" + pixabay_apikey + 
				"&q=" + q +
				"&image_type=photo"+
				"&per_page=3" + // 3-200 Default: 20
				"&safesearch=1");
			yield return www.SendWebRequest();
 
			if (www.isNetworkError || www.isHttpError)
			{
				Debug.Log(www.error);
			}
			else
			{
				var res = JsonUtility.FromJson<PixabayResults>(www.downloadHandler.text);
				Debug.Log(res.hits);
				yield return getTexture(res.hits[0].largeImageURL);
			}
		}
		
		IEnumerator getTexture(string image_url)
		{
			
			UnityWebRequest www = UnityWebRequestTexture.GetTexture(image_url);
			yield return www.SendWebRequest();

			if (www.isNetworkError || www.isHttpError)
			{
				Debug.Log(www.error);
			}
			else
			{
				Texture myTexture = ((DownloadHandlerTexture)www.downloadHandler).texture;
				Renderer renderer = GetComponent<Renderer>();
				renderer.material.mainTexture = myTexture;
			}
		}
		
#region Event Handlers

		public void DoSearch()
		{
			var _t = SearchInput.text;
			if (_t != "")
			{
				StartCoroutine(getSearch(_t));
			}
		}
		
#endregion

	}
}