private DTSweepConstraint getOppositeEdge(DelaunayTriangle triangle, TriangulationPoint point)
	{
		if(point==triangle.points[0])
		{
			return new DTSweepConstraint(triangle.points[1], triangle.points[2]);
		}
		else if(point==triangle.points[1])
		{
			return new DTSweepConstraint(triangle.points[0], triangle.points[2]);
		}
		else if(point==triangle.points[2])
		{
			return new DTSweepConstraint(triangle.points[0], triangle.points[1]);
		}
		return null;
	}