MeshCreator.GeneratePreviewObject C# (CSharp) Method

    private void GeneratePreviewObject()
    {
        #if UNITY_EDITOR
        DestroyPreviewObject();
        spriteRenderer.enabled = false;

        previewObject = new GameObject();
        Selection.activeGameObject = previewObject;
        previewMF = previewObject.AddComponent<MeshFilter>();
        var mr = previewObject.AddComponent<MeshRenderer>();
        previewObject.transform.position = spriteRenderer.transform.position;
        previewObject.transform.rotation = spriteRenderer.transform.rotation;
        previewObject.transform.localScale = spriteRenderer.transform.localScale;

        previewMF.mesh = GetMesh();
        if (previewMaterial == null) {
            previewMaterial = new Material(Shader.Find("Unlit/Transparent"));
        }
        mr.sharedMaterial = previewMaterial;
        mr.sharedMaterial.mainTexture = spriteRenderer.sprite.texture;

        meshVertices = previewMF.sharedMesh.vertices.Select(x => spriteRenderer.transform.TransformPoint(x)).ToArray();
        Undo.RegisterCreatedObjectUndo(previewObject, "Generate Preview Object");
        #endif
    }