public void OnGUI()
{
m_ControlID = GUIUtility.GetControlID("RectSelectionTool".GetHashCode(), FocusType.Passive);
m_RectVertexSelector.selection = selection;
m_RectVertexSelector.vertices = vertices;
m_RectVertexSelector.rect = rect;
Event ev = Event.current;
EventType eventType = ev.GetTypeForControl(m_ControlID);
if (GUIUtility.hotControl == 0 && HandleUtility.nearestControl == m_ControlID &&
selection.Count > 0 && eventType == EventType.MouseDown && ev.button == 0 && !ev.alt && !ev.shift)
{
Undo.RegisterCompleteObjectUndo(selectionUndoableObject, "Rect Selection");
selection.Clear();
}
if (GUIUtility.hotControl == m_ControlID && eventType == EventType.MouseUp && ev.button == 0)
{
Undo.RegisterCompleteObjectUndo(selectionUndoableObject, "Rect Selection");
selection.EndSelection(true);
}
EditorGUI.BeginChangeCheck();
rect = RectSlider.Do(m_ControlID);
if (EditorGUI.EndChangeCheck())
{
selection.BeginSelection();
m_RectVertexSelector.Select();
}
if (eventType == EventType.Repaint && GUIUtility.hotControl == m_ControlID)
{
CommonDrawingUtility.DrawRect(rect, Vector3.zero, Quaternion.identity, new Color(0f, 1f, 1f, 1f), 0.05f, 0.8f);
}
}
