private Point UpdateTargetEpData(Point from, Point to)
{
var dir = MathHelper.GetDirection(from, to);
var result = EdgePointerForTarget.Update(from, dir, EdgePointerForTarget.NeedRotation ? (-MathHelper.GetAngleBetweenPoints(from, to).ToDegrees()) : 0);
return(EdgePointerForTarget.Visibility == Visibility.Visible ? result : new Point());
}
private Point UpdateTargetEpData(Point from, Point to, bool allowUnsuppress = true)
{
var dir = MathHelper.GetDirection(from, to);
if (from == to)
{
if (HideEdgePointerOnVertexOverlap)
{
EdgePointerForTarget.Suppress();
}
else
{
dir = new Vector(0, 0);
}
}
else if (allowUnsuppress)
{
EdgePointerForTarget.UnSuppress();
}
var result = EdgePointerForTarget.Update(from, dir, EdgePointerForTarget.NeedRotation ? (-MathHelper.GetAngleBetweenPoints(from, to).ToDegrees()) : 0);
return(EdgePointerForTarget.Visibility == Visibility.Visible ? result : new Point());
}
private void UpdateSourceEpData(Point from, Point to)
{
var dir = MathHelper.GetDirection(from, to);
_edgePointerForSource.Update(from, dir, _edgePointerForSource.NeedRotation ? -MathHelper.GetAngleBetweenPoints(from, to).ToDegrees() : 0);
}
private Point UpdateTargetEpData(Point from, Point to)
{
var dir = MathHelper.GetDirection(from, to);
return(_edgePointerForTarget.Update(from, dir, _edgePointerForTarget.NeedRotation ? (-MathHelper.GetAngleBetweenPoints(from, to).ToDegrees()) : 0));
}
