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Selection rectangle

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This commit is contained in:
Jan Mrna
2025-10-10 19:32:58 +02:00
parent 250f0963c8
commit 08b4b10113
4 changed files with 63 additions and 2 deletions
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30
cpp/src/pathfindingdemo.cpp
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@@ -203,5 +203,35 @@ void PathFindingDemo::HandleActions(const std::vector<UserAction> &actions)
m_Camera.Zoom(action.Argument.float_number);
LOG_INFO("Camera zoom: ", action.Argument.float_number);
}
else if (action.type == UserAction::Type::SELECTION_START)
{
m_SelectionBox.active = true;
m_SelectionBox.start = action.Argument.position;
}
else if (action.type == UserAction::Type::SELECTION_END)
{
m_SelectionBox.end = action.Argument.position;
m_SelectionBox.active = false;
SelectEntitiesInRectangle(m_SelectionBox.start, m_SelectionBox.end);
}
};
}
void PathFindingDemo::SelectEntitiesInRectangle(WindowPos A, WindowPos B)
{
// TODO use colliders for this
m_SelectedEntities.clear();
auto [x_min, x_max] = std::minmax(A.x(), B.x());
auto [y_min, y_max] = std::minmax(A.y(), B.y());
for (const auto& entity : m_Entities)
{
const auto& pos = entity->GetPosition();
bool x_in_range = x_min < pos.x() && pos.x() < x_max;
bool y_in_range = y_min < pos.y() && pos.y() < y_max;
if (x_in_range && y_in_range)
{
m_SelectedEntities.push_back(std::weak_ptr(entity));
}
}
}