private void Raycast()

in Networked Physics/Assets/Oculus/VR/Scripts/Util/OVRRaycaster.cs [84:164]
61 lines of code
17 McCabe index (conditional complexity)

    private void Raycast(PointerEventData eventData, List<RaycastResult> resultAppendList, Ray ray, bool checkForBlocking)
    {
        //This function is closely based on 
        //void GraphicRaycaster.Raycast(PointerEventData eventData, List<RaycastResult> resultAppendList)
        
        if (canvas == null)
            return;

        float hitDistance = float.MaxValue;

        if (checkForBlocking && blockingObjects != BlockingObjects.None)
        {
            float dist = eventCamera.farClipPlane;

            if (blockingObjects == BlockingObjects.ThreeD || blockingObjects == BlockingObjects.All)
            {
                var hits = Physics.RaycastAll(ray, dist, m_BlockingMask);

                if (hits.Length > 0 && hits[0].distance < hitDistance)
                {
                    hitDistance = hits[0].distance;
                }
            }

            if (blockingObjects == BlockingObjects.TwoD || blockingObjects == BlockingObjects.All)
            {
                var hits = Physics2D.GetRayIntersectionAll(ray, dist, m_BlockingMask);

                if (hits.Length > 0 && hits[0].fraction * dist < hitDistance)
                {
                    hitDistance = hits[0].fraction * dist;
                }
            }
        }

        m_RaycastResults.Clear();

        GraphicRaycast(canvas, ray, m_RaycastResults);

        for (var index = 0; index < m_RaycastResults.Count; index++)
        {
            var go = m_RaycastResults[index].graphic.gameObject;
            bool appendGraphic = true;

            if (ignoreReversedGraphics)
            {
                // If we have a camera compare the direction against the cameras forward.
                var cameraFoward = ray.direction;
                var dir = go.transform.rotation * Vector3.forward;
                appendGraphic = Vector3.Dot(cameraFoward, dir) > 0;
            }

            // Ignore points behind us (can happen with a canvas pointer)
            if (eventCamera.transform.InverseTransformPoint(m_RaycastResults[index].worldPos).z <= 0)
            {
                appendGraphic = false;
            }

            if (appendGraphic)
            {
                float distance = Vector3.Distance(ray.origin, m_RaycastResults[index].worldPos);

                if (distance >= hitDistance)
                {
                    continue;
                }

                var castResult = new RaycastResult
                {
                    gameObject = go,
                    module = this,
                    distance = distance,
                    index = resultAppendList.Count,
                    depth = m_RaycastResults[index].graphic.depth,

                    worldPosition = m_RaycastResults[index].worldPos
                };
                resultAppendList.Add(castResult);
            }
        }
    }