Eegeo::v3 ComputeHeadingVector(Eegeo::dv3 interestPosition, float heading)
{
Eegeo::v3 m_heading(0,1,0);
Eegeo::dv3 interestEcefUp = interestPosition.Norm();
Eegeo::v3 m_interestUp = interestEcefUp.ToSingle();
Eegeo::v3 m_interestRight = Eegeo::v3::Cross(m_interestUp, m_heading);
m_interestRight = m_interestRight.Norm();
m_heading = Eegeo::v3::Cross(m_interestRight, m_interestUp);
m_heading = m_heading.Norm();
Eegeo::Quaternion headingRot;
headingRot.Set(m_interestUp, heading);
m_heading = headingRot.RotatePoint(m_heading);
return m_heading;
}
Eegeo::v3 ComputeHeadingVector(Eegeo::dv3 interestPosition, float heading)
{
Eegeo::v3 interestForward(0,1,0);
Eegeo::dv3 interestEcefUp = interestPosition.Norm();
Eegeo::v3 interestUp = interestEcefUp.ToSingle();
Eegeo::v3 interestRight = Eegeo::v3::Cross(interestUp, interestForward);
interestRight = interestRight.Norm();
interestForward = Eegeo::v3::Cross(interestRight, interestUp);
interestForward = interestForward.Norm();
Eegeo::Quaternion rotation;
rotation.Set(interestUp, heading);
interestForward = rotation.RotatePoint(interestForward);
return interestForward;
}
void SplashScreen::Show()
{
Eegeo::Space::EcefTangentBasis basis;
Eegeo::dv3 p = Eegeo::Space::LatLongAltitude::FromDegrees(56.456160, -2.966101, 241.5f).ToECEF();
Eegeo::Camera::CameraHelpers::EcefTangentBasisFromPointAndHeading(p, -60.53f, basis);
Eegeo::dv3 top(p.ToSingle().Norm());
Eegeo::dv3 forward(basis.GetForward().Norm());
Eegeo::dv3 right(Eegeo::dv3::Cross(top, forward));
m_pStateButtonBuilding->SetEcefPosition((forward*310.f) + (right*4.f) + p);
m_pStateButtonPOI->SetEcefPosition((forward*310.f) + (right*-28.f) + p);
m_pStateButtonLocation->SetEcefPosition((forward*310.f) + (right*37.f) + p);
m_pPlayButton->SetEcefPosition((forward*270.f) + (right*5.f) + (top*-35.f) + p);
m_pStateButtonLocation->Show();
m_pStateButtonBuilding->Show();
m_pStateButtonPOI->Show();
m_pPlayButton->SetItemShouldRender(true);
m_pSplashScreenModel->SetShouldDisplay(true);
}
void WorldMenuController::PositionItems()
{
if(!m_menuItemsShouldRender)
return;
Eegeo::m33 headTrackedOrientation;
Eegeo::m33::Mul(headTrackedOrientation, m_uiCameraProvider.GetBaseOrientation(), m_cachedHeadTracker);
float halfCount = m_viewsByModel.size()/2;
if(m_viewsByModel.size()%2==0)
halfCount-=0.5f;
Eegeo::dv3 center = m_uiCameraProvider.GetRenderCameraForUI().GetEcefLocation();
Eegeo::v3 forward(headTrackedOrientation.GetRow(2));
Eegeo::v3 top(center.ToSingle().Norm());
Eegeo::v3 right(Eegeo::v3::Cross(top, forward));
Eegeo::v3 vA = center.ToSingle();
Eegeo::v3 vB = m_uiCameraProvider.GetOrientation().GetRow(2);
float angle = Eegeo::Math::Rad2Deg(Eegeo::Math::ACos(Eegeo::v3::Dot(vA, vB)/(vA.Length()*vB.Length())));
const float MarginAngle = 85;
const int PositionMultiplier = 600;
bool shouldUpdatePosition = false;
if(!m_isMenuShown && angle<=MarginAngle)
{
m_isMenuShown = true;
shouldUpdatePosition = true;
m_cachedHeadTracker = m_uiCameraProvider.GetHeadTrackerOrientation();
m_cachedCenter = center;
}
else if(m_isMenuShown && angle>MarginAngle)
{
m_isMenuShown = false;
shouldUpdatePosition = true;
}
if ((m_cachedCenter - center).LengthSq() > 1) {
m_cachedCenter = center;
shouldUpdatePosition = true;
}
if(shouldUpdatePosition || m_isMenuShown)
{
std::vector<WorldMenuItemView*> items;
for(TViewsByModel::iterator it = m_viewsByModel.begin(); it != m_viewsByModel.end(); ++it)
{
std::vector<WorldMenuItemView*>::iterator itItems = items.begin();
for(; itItems != items.end(); ++itItems)
{
if((*itItems)->GetWorldMenuItem().GetId() < it->second->GetWorldMenuItem().GetId())
{
break;
}
}
items.insert(itItems, it->second);
}
float margin = 0.f;
for(std::vector<WorldMenuItemView*>::iterator it = items.begin(); it != items.end(); ++it)
{
WorldMenuItemView* pView = *it;
if(!m_isMenuShown)
{
pView->SetItemShouldRender(false);
m_pSelectedArrow->SetItemShouldRender(false);
continue;
}
margin += pView->GetWorldMenuItem().GetMarginRight();
Eegeo::dv3 position(center + (forward*PositionMultiplier) + (top*45) + ((right*55*halfCount)-(right*margin)));
pView->SetEcefPosition(position);
pView->SetItemShouldRender(true);
m_pSelectedArrow->SetItemShouldRender(true);
if(m_menuItemId==pView->GetWorldMenuItem().GetId())
{
m_pSelectedArrow->SetEcefPosition(center + (forward*PositionMultiplier) + (top*92) + (right*55*halfCount)-(right*margin));
}
halfCount-=1;
margin += pView->GetWorldMenuItem().GetMarginLeft();
pView->SetItemShouldRender(m_menuItemsShouldRender);
}
items.clear();
m_lastCameraPosition = center;
}
}