GLTFComponent.cs

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using System.Collections;
using System.IO;
using UnityEngine;

namespace UnityGLTF
{

    class GLTFComponent : MonoBehaviour
    {
        public string Url = "";
        public bool Multithreaded = true;
        public bool UseStream = false;

        public int MaximumLod = 300;

        public Shader GLTFStandard = null;
        public Shader GLTFStandardSpecular = null;
        public Shader GLTFConstant = null;

        public bool addColliders = false;

        IEnumerator Start()
        {
            GLTFSceneImporter loader = null;
            FileStream gltfStream = null;
            if (UseStream)
            {
                var fullPath = Path.Combine(Application.streamingAssetsPath, Url);
                gltfStream = File.OpenRead(fullPath);
                loader = new GLTFSceneImporter(
                    fullPath,
                    gltfStream,
                    gameObject.transform,
                    addColliders
                    );
            }
            else
            {
                loader = new GLTFSceneImporter(
                    Url,
                    gameObject.transform,
                    addColliders
                    );
            }

            loader.SetShaderForMaterialType(GLTFSceneImporter.MaterialType.PbrMetallicRoughness, GLTFStandard);
            loader.SetShaderForMaterialType(GLTFSceneImporter.MaterialType.KHR_materials_pbrSpecularGlossiness, GLTFStandardSpecular);
            loader.SetShaderForMaterialType(GLTFSceneImporter.MaterialType.CommonConstant, GLTFConstant);
            loader.MaximumLod = MaximumLod;
            yield return loader.Load(-1, Multithreaded);
            if (gltfStream != null)
            {
#if WINDOWS_UWP
                gltfStream.Dispose();
#else
                gltfStream.Close();
#endif
            }
        }
    }
}