bool PoiRingTouchController::HandleTouchMove(const AppInterface::TouchData &data, const Eegeo::Camera::RenderCamera &renderCamera, Eegeo::Camera::GlobeCamera::GlobeCameraController& globeCameraController)
{
if (m_myPinCreationModel.GetCreationStage() != Ring)
{
return false;
}
if (m_isDragging)
{
float screenPixelX = data.point.GetX();
float screenPixelY = data.point.GetY();
Eegeo::dv3 rayDirection;
Eegeo::Camera::CameraHelpers::GetScreenPickRay(renderCamera, screenPixelX, screenPixelY, rayDirection);
Eegeo::dv3 rayOrigin = globeCameraController.ComputeNonFlattenedCameraPosition();
Eegeo::dv3 rayIntersectionPoint;
double intersectionParam;
bool rayPick = PerformRayPick(rayOrigin, rayDirection, rayIntersectionPoint, intersectionParam);
if (rayPick)
{
m_myPinCreationModel.SetPosition(rayIntersectionPoint);
}
return true;
}
return false;
}
bool PoiRingTouchController::HandleTouchDown(const AppInterface::TouchData& data, const Eegeo::Camera::RenderCamera& renderCamera, Eegeo::Camera::GlobeCamera::GlobeCameraController& globeCameraController)
{
if (m_myPinCreationModel.GetCreationStage() != Ring)
{
return false;
}
float screenPixelX = data.point.GetX();
float screenPixelY = data.point.GetY();
Eegeo::dv3 rayDirection;
Eegeo::Camera::CameraHelpers::GetScreenPickRay(renderCamera, screenPixelX, screenPixelY, rayDirection);
Eegeo::dv3 rayOrigin = globeCameraController.ComputeNonFlattenedCameraPosition();
Eegeo::dv3 rayIntersectionPoint;
double intersectionParam;
bool rayPick = PerformRayPick(rayOrigin, rayDirection, rayIntersectionPoint, intersectionParam);
if (rayPick)
{
Eegeo::dv3 iconPosition;
float iconSize;
m_poiRingController.GetIconPositionAndSize(iconPosition, iconSize);
Eegeo::dv3 spherePosition;
float sphereRadius;
m_poiRingController.GetSpherePositionAndRadius(spherePosition, sphereRadius);
bool hitIcon = Eegeo::Geometry::IntersectionTests::TestRaySphere(rayOrigin, rayDirection, iconPosition, iconSize/2.0f);
if ((rayIntersectionPoint - spherePosition).Length() < sphereRadius || hitIcon)
{
m_isDragging = true;
return true;
}
}
return false;
}