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improved radar

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Orange
2026-08-05 21:37:18 +03:00
parent 43e2af556f
commit 11b2129d6d
2 changed files with 68 additions and 8 deletions
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include/omath/algorithm/radar.hpp
+28 -8
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@@ -3,6 +3,8 @@
//
#pragma once
#include "omath/linear_algebra/vector3.hpp"
#include <functional>
#include <optional>
#include <type_traits>
namespace omath::algorithm
@@ -10,7 +12,10 @@ namespace omath::algorithm
template<class Camera, class FloatingType>
requires std::is_floating_point_v<FloatingType>
[[nodiscard]]
constexpr Vector2<float> world_to_radar(const Camera& camera, const Vector3<FloatingType>& position, const FloatingType scale)
constexpr Vector2<float> world_to_radar(
const Camera& camera, const Vector3<FloatingType>& position, const FloatingType scale,
const std::optional<std::function<FloatingType(const Vector3<FloatingType>&, const Vector3<FloatingType>&)>>
calc_distance = std::nullopt)
{
const auto look_at_angles = camera.calc_look_at_angles(position);
const auto current_angles = camera.get_view_angles();
@@ -18,25 +23,40 @@ namespace omath::algorithm
if consteval
{
const auto right_yaw = current_angles.yaw
- camera.calc_look_at_angles(camera.get_origin() + camera.get_abs_right()).yaw
- decltype(current_angles.yaw)::from_degrees(90);
const auto sign = right_yaw.cos() < 0 ? -1.f : 1.f;
- camera.calc_look_at_angles(camera.get_origin() + camera.get_abs_right()).yaw
- decltype(current_angles.yaw)::from_degrees(90);
const auto sign = right_yaw.cos() < 0 ? -1.f : 1.f;
const auto yaw = current_angles.yaw - look_at_angles.yaw - decltype(current_angles.yaw)::from_degrees(90);
auto distance = FloatingType{0};
if (calc_distance.has_value())
distance = calc_distance.value()(camera.get_origin(), position);
else
distance = camera.get_origin().distance_to(position);
return omath::Vector2<float>(static_cast<float>(yaw.cos()) * sign, static_cast<float>(yaw.sin()))
* (camera.get_origin().distance_to(position) * scale);
* (distance * scale);
}
static const auto sign = [&camera, &current_angles]
{
const auto right_yaw = current_angles.yaw
- camera.calc_look_at_angles(camera.get_origin() + camera.get_abs_right()).yaw
- decltype(current_angles.yaw)::from_degrees(90);
- camera.calc_look_at_angles(camera.get_origin() + camera.get_abs_right()).yaw
- decltype(current_angles.yaw)::from_degrees(90);
return right_yaw.cos() < 0 ? -1.f : 1.f;
}();
const auto yaw = current_angles.yaw - look_at_angles.yaw - decltype(current_angles.yaw)::from_degrees(90);
auto distance = FloatingType{0};
if (calc_distance.has_value())
distance = calc_distance.value()(camera.get_origin(), position);
else
distance = camera.get_origin().distance_to(position);
return omath::Vector2<float>(static_cast<float>(yaw.cos()) * sign, static_cast<float>(yaw.sin()))
* (camera.get_origin().distance_to(position) * scale);
* (distance * scale);
}
} // namespace omath::algorithm