public override bool HitTest(NPoint point)
{
this.SelectedPoint = null;
this.IsSelected = false;
this.MouseState = NMouseState.NONE;
if (NMathHelper.Distance(this.Model.StartPoint, point) <= NConfig.HIT_DISTANCE)
{
this.SelectedPoint = this.Model.StartPoint;
this.IsSelected = true;
this.MouseState = NMouseState.RESIZE;
}
else if (NMathHelper.Distance(this.Model.EndPoint, point) <= NConfig.HIT_DISTANCE)
{
this.SelectedPoint = this.Model.EndPoint;
this.IsSelected = true;
this.MouseState = NMouseState.RESIZE;
}
else if (HitTestNodeX(EndNode, point))
{
this.IsSelected = true;
this.MouseState = NMouseState.MOVE;
}
return(this.IsSelected);
}
private bool HitTestNodeX(NNodeX node, NPoint point)
{
if (node != null && node.Parent != null)
{
if (NMathHelper.Distance(node.Point, point) <= NConfig.HIT_DISTANCE)
{
return(true);
}
else
{
return(HitTestNodeX(node.Parent, point));
}
}
return(false);
}
public override void Visit(NBox component)
{
component.IsCloseEnough = false;
for (int i = 0; i < component.ConnectPoints.Length; i++)
{
double d = NMathHelper.Distance(SelectedPoint, component.ConnectPoints[i]);
if (d <= NConfig.CONNECT_DISTANCE)
{
component.IsCloseEnough = true;
if (Connect)
{
if (Connector.Model.StartPoint == SelectedPoint)
{
Connector.StartBox = component;
Connector.Model.StartBoxIndex = i;
Connector.Model.StartBoxID = component.Model.ID;
}
else
{
Connector.EndBox = component;
Connector.Model.EndBoxIndex = i;
Connector.Model.EndBoxID = component.Model.ID;
}
SelectedPoint.Set(component.ConnectPoints[i]);
PathResolver.Connector = Connector;
PathResolver.StartPoint = Connector.Model.StartPoint;
PathResolver.EndPoint = Connector.Model.EndPoint;
PathResolver.RebuildGraph();
PathResolver.Resolve();
return;
}
}
}
}