private void OnSceneGUI()
{
HandleUtility.AddDefaultControl(GUIUtility.GetControlID(FocusType.Passive));
for (var i = 0; i < _waypoints.Count; i++)
{
var current = _waypoints.Items[i];
var nextIndex = i + 1;
Handles.color = _waypoints.IsSelected(i) ? Color.yellow : Color.red;
_waypoints.Items[i] = Handles.FreeMoveHandle(
current,
Quaternion.identity,
_freeMoveHandleRadius,
Vector3.zero,
Handles.SphereHandleCap);
Handles.color = Color.green;
var waypoint = _waypoints.GetSelected();
var handle = Handles.DoPositionHandle(waypoint, Quaternion.identity);
_waypoints.UpdateSelected(handle);
if (nextIndex < _waypoints.Count)
{
Handles.DrawLine(current, _waypoints.Items[nextIndex]);
}
if (Event.current.type == EventType.Used)
{
var distance = HandleUtility.DistanceToCircle(current, _freeMoveHandleRadius);
if (distance <= _freeMoveHandleRadius)
{
_waypoints.Select(i);
Repaint();
}
}
}
}
