public static void Reorder(this List <Vertex> vertices, Vector2 pivot)
{
vertices.Sort((a, b) => {
var localA = a.Position - pivot;
var angleA = Vector2Ext.PositiveAngle(localA);
var localB = b.Position - pivot;
var angleB = Vector2Ext.PositiveAngle(localB);
if (angleA == angleB)
{
return(0);
}
var delta = angleA - angleB;
if (delta > 0)
{
return(1);
}
return(-1);
});
}
