public void GenCutPointNewLine(IntVector2 v1, IntVector2 v2, System.Random rand)
{
float dist = v1.Distance(v2);
IntVector2 centerPoint = new IntVector2((v1.x + v2.x) / 2, (v1.y + v2.y) / 2);
float radius = dist / 4;
IntVector2 result = VArtifactUtil.GetRandomPointFromPoint(centerPoint, radius, rand);
AddTownConnection(v1, result, rand);
AddTownConnection(result, v2, rand);
}