public bool Update()
{
Root.UpdateDelegate(this);
// bottom-up traversal avoids cascading HasGrandChildren() tests
bool hasGrandChildren = false;
foreach (var child in Children)
{
if (child.Update())
{
hasGrandChildren = true;
}
}
// nothing to do if grandchildren exist
if (hasGrandChildren)
{
return(true);
}
// nothing to do if loading task is active
if (IsLoading)
{
return(HasChildren());
}
// process distances
if (!hasGrandChildren && IsDistanceTested)
{
Root.SwitchDelegate(this);
}
if (InRange)
{
// start load if not loaded and children state is unknown
if (!IsLoaded && !ChildrenLoaded())
{
IsLoading = true;
Root.LoadDelegate(this);
return(HasChildren());
}
// activate if not active and children are not active
if (!IsActive && !ChildrenActive())
{
Root.LoadedDelegate(this);
IsActive = true;
return(HasChildren());
}
// if active and children are ready, deactivate and activate the children
if (IsActive && ChildrenLoaded())
{
Children.ForEach(child => child.IsActive = true);
IsActive = false;
Root.UnloadDelegate(this);
return(HasChildren());
}
}
else
{
Root.UnloadDelegate(this);
}
// distance testing
if (IsDistanceTesting)
{
return(HasChildren());
}
if (Time.time - lastDistanceTest < 4f)
{
return(HasChildren());
}
lastDistanceTest = Time.time;
IsDistanceTesting = true;
IsDistanceTested = false;
Task.Run(() => TaskDistanceTest());
return(HasChildren());
}
public bool Update()
{
var timer = new System.Diagnostics.Stopwatch();
Root.UpdateDelegate(this);
// bottom-up traversal avoids cascading HasGrandChildren() tests
bool hasGrandChildren = false;
foreach (var child in Children)
{
if (child.Update())
{
hasGrandChildren = true;
}
}
// nothing to do if grandchildren exist
if (hasGrandChildren)
{
return(true);
}
// nothing to do if loading task is active
if (IsLoading)
{
return(HasChildren());
}
// process distances
if (!hasGrandChildren && IsDistanceTested)
{
Root.SwitchDelegate(this);
}
timer.Start();
if (InRange)
{
// start load if not loaded and children state is unknown
if (!IsLoaded && !ChildrenLoaded())
{
IsLoading = true;
Root.LoadDelegate(this);
timer.Stop();
if (timer.ElapsedMilliseconds > 0)
{
Debug.Log("Quad Tree !IsLoaded && !ChildrenLoaded took " + timer.ElapsedMilliseconds + "ms to run.");
}
timer.Reset();
return(HasChildren());
}
// activate if not active and children are not active
if (!IsActive && !ChildrenActive())
{
Root.LoadedDelegate(this);
IsActive = true;
timer.Stop();
if (timer.ElapsedMilliseconds > 0)
{
Debug.Log("Quad Tree !IsActive && !ChildrenLoaded took " + timer.ElapsedMilliseconds + "ms to run.");
}
timer.Reset();
return(HasChildren());
}
// if active and children are ready, deactivate and activate the children
if (IsActive && ChildrenLoaded())
{
Children.ForEach(child => child.IsActive = true);
IsActive = false;
Root.UnloadDelegate(this);
timer.Stop();
if (timer.ElapsedMilliseconds > 0)
{
Debug.Log("Quad Tree IsActive && ChildrenLoaded took " + timer.ElapsedMilliseconds + "ms to run.");
}
timer.Reset();
return(HasChildren());
}
}
else
{
timer.Stop();
if (timer.ElapsedMilliseconds > 0)
{
Debug.Log("Quad Tree Not In Range took " + timer.ElapsedMilliseconds + "ms to run.");
}
timer.Reset();
Root.UnloadDelegate(this);
}
// distance testing
if (IsDistanceTesting)
{
return(HasChildren());
}
if (Time.time - lastDistanceTest < 4f)
{
return(HasChildren());
}
lastDistanceTest = Time.time;
IsDistanceTesting = true;
IsDistanceTested = false;
Task.Run(() => TaskDistanceTest());
return(HasChildren());
}