public override void OnViewFrameTime(float dt)
{
base.OnViewFrameTime(dt);
if (!this.manualCullGUIObjects)
{
return;
}
if (this.Grid == null)
{
return;
}
foreach (UXElement current in this.Grid.GetElementList())
{
if (current != null)
{
Bounds bounds = UXUtils.CalculateAbsoluteWidgetBound(current.GetUIWidget.transform);
Vector3[] worldCorners = base.NGUIPanel.worldCorners;
Vector3 vector = bounds.center - bounds.size * this.cullingFactor;
Vector3 vector2 = bounds.center + bounds.size * this.cullingFactor;
if (this.NGUIGrid.arrangement == UIGrid.Arrangement.Horizontal)
{
if (vector.x > worldCorners[2].x || vector2.x < worldCorners[0].x)
{
current.GetUIWidget.gameObject.SetActive(false);
}
else
{
current.GetUIWidget.gameObject.SetActive(true);
}
}
else if (vector.y > worldCorners[2].y || vector2.y < worldCorners[0].y)
{
current.GetUIWidget.gameObject.SetActive(false);
}
else
{
current.GetUIWidget.gameObject.SetActive(true);
}
}
}
}