FairyGUI.GObject.__touchMove2 C# (CSharp) Method

        private void __touchMove2(EventContext context)
        {
            InputEvent evt = context.inputEvent;
            if (_dragTouchId != -1 && _dragTouchId != evt.touchId || this.parent == null)
                return;

            if (displayObject == null || displayObject.isDisposed)
                return;

            float xx = evt.x - sGlobalDragStart.x + sGlobalRect.x;
            float yy = evt.y - sGlobalDragStart.y + sGlobalRect.y;

            if (dragBounds != null)
            {
                Rect rect = GRoot.inst.LocalToGlobal((Rect)dragBounds);
                if (xx < rect.x)
                    xx = rect.x;
                else if (xx + sGlobalRect.width > rect.xMax)
                {
                    xx = rect.xMax - sGlobalRect.width;
                    if (xx < rect.x)
                        xx = rect.x;
                }

                if (yy < rect.y)
                    yy = rect.y;
                else if (yy + sGlobalRect.height > rect.yMax)
                {
                    yy = rect.yMax - sGlobalRect.height;
                    if (yy < rect.y)
                        yy = rect.y;
                }
            }

            Vector2 pt = this.parent.GlobalToLocal(new Vector2(xx, yy));
            if (float.IsNaN(pt.x))
                return;

            sUpdateInDragging = true;
            this.SetXY(Mathf.RoundToInt(pt.x), Mathf.RoundToInt(pt.y));
            sUpdateInDragging = false;

            onDragMove.Call();
        }