Unity/Assets/Scripts/ModelLoader.cs

Refer to the Unity Base Viewer Example.

// ****************************************************************************
// $Id$
//
// Copyright (C) 2008-2014, Roman Lygin. All rights reserved.
// Copyright (C) 2014-2021, CADEX. All rights reserved.
//
// This file is part of the CAD Exchanger software.
//
// You may use this file under the terms of the BSD license as follows:
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
//   this list of conditions and the following disclaimer in the documentation
//   and/or other materials provided with the distribution.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// ****************************************************************************


using System.IO;
using UnityEngine;
using cadex;

public class ModelLoader : MonoBehaviour
{
    public Shader CustomShader;
    public float ScaleFactor = 1f;
    protected GameObject aResultGameObject;
    void Start()
    {
        Screen.SetResolution(1280, 800, false);
        //Put your license file in the Scripts folder
        string aKey = LicenseKey.Value();
        // Activate the license (aKey must be defined in cadex_license.cs)
        if (!LicenseManager.Activate(aKey))
        {
            Debug.LogError("Failed to activate CAD Exchanger license.");
        }

    }
    public virtual void ImportModel(string thePath)
    {
        var aModel = ModelImporter.ImportModel(thePath);
        Unity_ObjectFactory aFactory = new Unity_ObjectFactory();
        if(CustomShader)
            aFactory.Parameters().SetShader(CustomShader);
        aFactory.Parameters().SetScaleFactor(ScaleFactor);
        string aModelName = Path.GetFileName(thePath);
        aResultGameObject = aFactory.Create(aModel, aModelName);
        GameObject.Find("Main Camera").GetComponent<CameraControl>().SetTarget(aResultGameObject.transform);
    }
    public virtual void OnCancel()
    {
        Debug.LogError("File cannot be opened!");
    }
    public void OpenFileDialog()
    {
        if (aResultGameObject != null)
        {
            Destroy(aResultGameObject);
        }
        SimpleFileBrowser.FileBrowser.ShowLoadDialog(ImportModel, OnCancel);
    }
}