jan.mrna/pathfinding_demo
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Fix entity selection when zoomed in/out

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This commit is contained in:
Jan Mrna 2025-10-12 15:46:40 +02:00
parent 370df129a8
commit 4b3a4c53e8
2 changed files with 18 additions and 3 deletions
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17
cpp/src/pathfindingdemo.cpp
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@ -212,12 +212,17 @@ void PathFindingDemo::HandleActions(const std::vector<UserAction> &actions)
{
m_SelectionBox.end = action.Argument.position;
m_SelectionBox.active = false;
SelectEntitiesInRectangle(m_SelectionBox.start, m_SelectionBox.end);
auto diff = m_SelectionBox.end - m_SelectionBox.start;
// here we explicitly change the vector type from WindowPos to WindowSize
m_SelectionBox.size = diff.ChangeTag<WindowSizeTag>();
WorldPos start = m_Camera.WindowToWorld(m_SelectionBox.start);
WorldPos end = m_Camera.WindowToWorld(m_SelectionBox.end);
SelectEntitiesInRectangle(start, end);
}
};
}
void PathFindingDemo::SelectEntitiesInRectangle(WindowPos A, WindowPos B)
void PathFindingDemo::SelectEntitiesInRectangle(WorldPos A, WorldPos B)
{
// TODO use colliders for this
m_SelectedEntities.clear();
@ -233,5 +238,13 @@ void PathFindingDemo::SelectEntitiesInRectangle(WindowPos A, WindowPos B)
m_SelectedEntities.push_back(std::weak_ptr(entity));
}
}
LOG_INFO("Selected ", m_SelectedEntities.size(), " entities");
}
std::pair<const WorldPos&, const WorldSize&> PathFindingDemo::GetSelectionBoxPosSize()
{
const auto& pos = m_SelectionBox.start;
WindowPos diff = m_SelectionBox.end - m_SelectionBox.start;
}

4
cpp/src/pathfindingdemo.hpp
View File

@ -41,7 +41,9 @@ public:
void HandleActions(const std::vector<UserAction> &actions);
WorldPos GetRandomPosition() const;
void SelectEntitiesInRectangle(WindowPos A, WindowPos B);
void SelectEntitiesInRectangle(WorldPos A, WorldPos B);
bool IsSelectionBoxActive() const { return m_SelectionBox.active; }
std::pair<const WorldPos&, const WorldSize&> GetSelectionBoxPosSize();
private:
const std::vector<Collision>& GetEntityCollisions();