Esempio n. 1
0
    protected void _RaySelection()
    {
        // Ray picking
        Vector3 rayOrigin    = transform.position;
        Vector3 rayDirection = transform.TransformDirection(Vector3.forward);

        VRSelection newSelection = null;

        foreach (RaycastHit raycastHit in Physics.RaycastAll(rayOrigin, rayDirection, m_Wand.GetDefaultRayLength()))
        {
            if (newSelection != null && raycastHit.distance >= newSelection.SelectionDistance)
            {
                continue;
            }

            GameObject objectHit = raycastHit.collider.gameObject;

            if (objectHit.name != "VRWand")
            {
                // Ignore GameObject without the VRActor component
                if (objectHit.GetComponent <VRActor>() == null)
                {
                    continue;
                }

                VRWebView    webView     = objectHit.GetComponent <VRWebView>();
                VRRaycastHit completeHit = null;
                if (webView != null)
                {
                    completeHit = webView.RaycastMesh(rayOrigin, rayDirection);
                }
                else
                {
                    completeHit = new VRRaycastHit(raycastHit);
                }

                if (completeHit != null)
                {
                    // Special case : pass through transparent pixels of web views.
                    if (webView != null)
                    {
                        if (!webView.GetComponent <Renderer>().enabled || webView.IsPixelEmpty(completeHit.textureCoord))
                        {
                            continue;
                        }
                    }

                    // Create selection if it does not exist
                    if (newSelection == null)
                    {
                        newSelection = new VRSelection();
                    }

                    newSelection.SourceWand        = m_Wand;
                    newSelection.SelectedObject    = objectHit;
                    newSelection.TextureCoordinate = completeHit.textureCoord;
                    newSelection.SelectionDistance = completeHit.distance;
                    newSelection.SelectionContact  = completeHit.point;
                    newSelection.SelectionNormal   = completeHit.normal;
                }
            }
        }

        m_LastSelection = m_SelectionMgr.GetSelection();
        m_SelectionMgr.SetSelection(newSelection);
    }
Esempio n. 2
0
    private void _RaySelection()
    {
        // Ray picking
        RaycastHit[] hits;
        Vector3      dir = transform.localToWorldMatrix * Vector3.forward;

        hits = Physics.RaycastAll(transform.position, dir, m_Wand.GetDefaultRayLength());

        bool  foundActor   = false;
        int   currentHitId = 0;
        int   foundHitId   = 0;
        float distance     = Mathf.Infinity;

        while (currentHitId < hits.Length)
        {
            RaycastHit hit = hits[currentHitId];

            if (hit.distance < distance && hit.collider.name != "VRWand")
            {
                if (hit.collider.GetComponent <VRActor>() == null)
                {
                    currentHitId++;
                    continue;
                }

                // Pass through empty/transparent GUI pixels
                VRWebView webView = hit.collider.GetComponent <VRWebView>();
                if (webView != null)
                {
                    if (!webView.GetComponent <Renderer>().enabled || webView.IsPixelEmpty(hit.textureCoord))
                    {
                        currentHitId++;
                        continue;
                    }
                }

                foundActor = true;
                foundHitId = currentHitId;
                distance   = hit.distance;
            }

            currentHitId++;
        }

        m_LastSelection = m_SelectionMgr.GetSelection();

        // If something found, select
        if (foundActor)
        {
            RaycastHit  selectionHit = hits[foundHitId];
            VRSelection newSelection = new VRSelection();
            newSelection.SourceWand        = m_Wand;
            newSelection.SelectedObject    = selectionHit.collider.gameObject;
            newSelection.TextureCoordinate = selectionHit.textureCoord;
            newSelection.SelectionDistance = selectionHit.distance;
            newSelection.SelectionContact  = selectionHit.point;
            newSelection.SelectionNormal   = selectionHit.normal;
            m_SelectionMgr.SetSelection(newSelection);
        }
        else
        {
            m_SelectionMgr.SetSelection(null);
        }
    }