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added by distance targeting

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Orange
2026-03-19 19:29:01 +03:00
parent ef422f0a86
commit d737aee1c5
2 changed files with 146 additions and 0 deletions
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40
include/omath/algorithm/targeting.hpp
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@@ -60,4 +60,44 @@ namespace omath::algorithm
std::ranges::begin(range), std::ranges::end(range), camera, get_position, filter_func);
}
// ── By world-space distance ───────────────────────────────────────────────
template<std::input_or_output_iterator IteratorType, class FilterT>
requires std::is_invocable_r_v<bool, std::function<FilterT>, std::iter_reference_t<IteratorType>>
[[nodiscard]]
IteratorType get_closest_target_by_distance(const IteratorType& begin, const IteratorType& end,
const Vector3<float>& origin, auto get_position,
const std::optional<std::function<FilterT>>& filter_func = std::nullopt)
{
auto best_target = end;
for (auto current = begin; current != end; current = std::next(current))
{
if (filter_func && !filter_func.value()(*current))
continue;
if (best_target == end)
{
best_target = current;
continue;
}
if (origin.distance_to(get_position(*current)) < origin.distance_to(get_position(*best_target)))
best_target = current;
}
return best_target;
}
template<std::ranges::range RangeType, class FilterT>
requires std::is_invocable_r_v<bool, std::function<FilterT>,
std::ranges::range_reference_t<const RangeType>>
[[nodiscard]]
auto get_closest_target_by_distance(const RangeType& range, const Vector3<float>& origin,
auto get_position,
const std::optional<std::function<FilterT>>& filter_func = std::nullopt)
{
return get_closest_target_by_distance<decltype(std::ranges::begin(range)), FilterT>(
std::ranges::begin(range), std::ranges::end(range), origin, get_position, filter_func);
}
} // namespace omath::algorithm