Unity 時間のかかるテクスチャの読み込みテスト用

10秒待ち

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public static class ma
{
    public static Material ToMat(this Texture2D tex, string shadername = "Transparent/Diffuse")
    {
        Material mat = new Material(Shader.Find(shadername));
        mat.SetTexture("_MainTex", tex);
        return mat;
    }
}

public class test : MonoBehaviour
{
    // Start is called before the first frame update
    void Start()
    {
        var uri = "https://gnjo.github.io/mock3d/mons/ajin1-min.png";
        var heavy =10.0f;//

        GameObject h = GameObject.CreatePrimitive(PrimitiveType.Quad);
        h.name = "heavy";
        Texture2D tex_h = new Texture2D(1, 1);
        h.GetComponent<Renderer>().material =tex_h.ToMat();
        h.transform.localPosition += new Vector3(1, 1, 1);
        StartCoroutine(
            byweb(uri, bytes => { tex_h.LoadImage(bytes); tex_h.Apply(); },heavy)
        );

    }

    IEnumerator byweb(string uri, System.Action<byte[]> caller,float waitsec=0)
    {
        //using UnityEngine.Networking;
        var www = UnityEngine.Networking.UnityWebRequest.Get(uri);
        yield return www.SendWebRequest();
        if (www.isHttpError || www.isNetworkError) Debug.Log(www.error);
        //
        if(waitsec!=0) yield return new WaitForSeconds(waitsec);
        //
        caller(www.downloadHandler.data);
    }


}