UnityEditor.SceneView.On2DModeChange C# (CSharp) Method

        private void On2DModeChange()
        {
            if (this.m_2DMode)
            {
                this.lastSceneViewRotation = this.rotation;
                this.m_LastSceneViewOrtho = this.orthographic;
                this.LookAt(this.pivot, Quaternion.identity, this.size, true);
                if (Tools.current == Tool.Move)
                {
                    Tools.current = Tool.Rect;
                }
            }
            else
            {
                this.LookAt(this.pivot, this.lastSceneViewRotation, this.size, this.m_LastSceneViewOrtho);
                if (Tools.current == Tool.Rect)
                {
                    Tools.current = Tool.Move;
                }
            }
            HandleUtility.ignoreRaySnapObjects = null;
            Tools.vertexDragging = false;
            Tools.handleOffset = Vector3.zero;
        }