/**
* @brief
* Performs the picking
*/
void MyPicking::PerformPicking()
{
// Get the default input controller of the application
Controller *pController = reinterpret_cast<Controller*>(m_pApplication->GetInputController());
if (pController && pController->GetActive()) {
// Get the "MouseLeft" control
Control *pControl = pController->GetControl("MouseLeft");
if (pControl && pControl->GetType() == ControlButton) {
Button *pButton = reinterpret_cast<Button*>(pControl);
SceneNode *pPickedSceneNode = nullptr;
// If the left mouse button is currently down, do NOT perform new picking
if (!pButton->IsPressed()) {
// Get the current time data
const uint64 nPastTime = Timing::GetInstance()->GetPastTime();
// Perform mouse picking - do not make this test each frame because it may cost some performance
if ((nPastTime-m_nLastPickingTime) > 100) {
m_nLastPickingTime = nPastTime;
// Perform picking - "PerformMousePicking()" is using the current mouse position inside the main window
// and the currently used camera in order to find the scene node under the mouse cursor
PickingResult cPickingResult;
if (PerformMousePicking(cPickingResult))
pPickedSceneNode = cPickingResult.GetSceneNode();
} else {
// Use the previous result
pPickedSceneNode = m_cCurrentPickedSceneNodeHandler.GetElement();
}
// Picked changed?
if (pPickedSceneNode != m_cCurrentPickedSceneNodeHandler.GetElement()) {
// Backup the currently picked scene node
m_cCurrentPickedSceneNodeHandler.SetElement(pPickedSceneNode);
}
}
// Is currently anything picked?
if (pButton->IsHit() && pPickedSceneNode) {
// Toggle the debug mode of the picked scene node
if (pPickedSceneNode->GetDebugFlags() & SceneNode::DebugEnabled) {
// Disable debug mode
pPickedSceneNode->SetDebugFlags(pPickedSceneNode->GetDebugFlags() & ~SceneNode::DebugEnabled);
} else {
// Enable debug mode
pPickedSceneNode->SetDebugFlags(pPickedSceneNode->GetDebugFlags() |SceneNode::DebugEnabled);
}
}
}
}
}
