public void OnSceneGUI()
    {
        if (myMeshCreator.ShowMeshLine || isEditing)
        {
            Gizmo();
        }
        if (isEditing || isRemoving)
        {
            MouseCheck();
        }

        // MouseCheck()를 하면 우클릭, 휠클릭을 인식하지 못하기 때문에 EditingMode에서만.
        if (isEditing)
        {
            Tools.current = Tool.None;
            ControllHandle();
        }
        else if (isRemoving)
        {
            RemoveHandle();
            Tools.current = Tool.None;
        }

        if (isEditing == true && mouseLeftDown == true)
        {
            if (editingVert != -1)
            {
                myMeshCreator.VertexModify(editingVert);
            }
            Selection.activeGameObject = myMeshCreator.gameObject;
        }
        else if (isRemoving == true && mouseLeftDown == true)
        {
            Selection.activeGameObject = myMeshCreator.gameObject;
        }
    }