public string NextPoint()
{
var pt = followRouteAction.LastActive > walkToCorpseAction.LastActive ? followRouteAction.NextPoint() : walkToCorpseAction.NextPoint();
return(pt == null ? string.Empty : $"<circle cx = '{ToCanvasPointX(pt.X)}' cy = '{ToCanvasPointY(pt.Y)}'r = '3' />");
}
