Lines connecting UI points. Unity

PointsConnections.cs

        for (int pIdx = 0; pIdx < points.Count - 1; pIdx++)
        {
            RectTransform point1 = points[pIdx];
            RectTransform point2 = points[pIdx + 1];

            Vector2 midpoint = (point2.position - point1.position) / 2 + point1.position;
            float xDifference = point2.position.x - point1.position.x;
            float yDifference = point2.position.y - point1.position.y;
            float distance = (point2.position - point1.position).magnitude;
            float angle = Mathf.Acos(Mathf.Abs(xDifference)/ distance) * 57.2958f;

            if ((yDifference < 0 && xDifference > 0) || (yDifference > 0 && xDifference < 0))
            {
                angle = 180 - angle;
            }

            var newLine = Instantiate(linePrefab, linesParent, true) as RectTransform;
            newLine.SetPositionAndRotation(midpoint, Quaternion.Euler(0, 0, angle));
            newLine.sizeDelta = new Vector2(distance, newLine.sizeDelta.y);

            newLine.name = string.Format("Line {0}-{1}", pIdx, pIdx + 1);

        }