mirror of
https://github.com/orange-cpp/omath.git
synced 2026-04-19 04:03:27 +00:00
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
//
|
|
// Created by Vlad on 3/17/2025.
|
|
//
|
|
|
|
#pragma once
|
|
#include "omath/engines/iw_engine/constants.hpp"
|
|
|
|
namespace omath::iw_engine
|
|
{
|
|
[[nodiscard]]
|
|
Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
|
|
|
|
[[nodiscard]]
|
|
Vector3<float> right_vector(const ViewAngles& angles) noexcept;
|
|
|
|
[[nodiscard]]
|
|
Vector3<float> up_vector(const ViewAngles& angles) noexcept;
|
|
|
|
[[nodiscard]]
|
|
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
|
|
|
|
[[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
|
|
|
|
[[nodiscard]]
|
|
Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
|
|
|
|
template<class FloatingType>
|
|
requires std::is_floating_point_v<FloatingType>
|
|
[[nodiscard]]
|
|
constexpr FloatingType units_to_centimeters(const FloatingType& units)
|
|
{
|
|
constexpr auto centimeter_in_unit = static_cast<FloatingType>(2.54);
|
|
return units * centimeter_in_unit;
|
|
}
|
|
|
|
template<class FloatingType>
|
|
requires std::is_floating_point_v<FloatingType>
|
|
[[nodiscard]]
|
|
constexpr FloatingType units_to_meters(const FloatingType& units)
|
|
{
|
|
return units_to_centimeters(units) / static_cast<FloatingType>(100);
|
|
}
|
|
|
|
template<class FloatingType>
|
|
requires std::is_floating_point_v<FloatingType>
|
|
[[nodiscard]]
|
|
constexpr FloatingType units_to_kilometers(const FloatingType& units)
|
|
{
|
|
return units_to_meters(units) / static_cast<FloatingType>(1000);
|
|
}
|
|
|
|
template<class FloatingType>
|
|
requires std::is_floating_point_v<FloatingType>
|
|
[[nodiscard]]
|
|
constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
|
|
{
|
|
constexpr auto centimeter_in_unit = static_cast<FloatingType>(2.54);
|
|
return centimeters / centimeter_in_unit;
|
|
}
|
|
|
|
template<class FloatingType>
|
|
requires std::is_floating_point_v<FloatingType>
|
|
[[nodiscard]]
|
|
constexpr FloatingType meters_to_units(const FloatingType& meters)
|
|
{
|
|
return centimeters_to_units(meters * static_cast<FloatingType>(100));
|
|
}
|
|
|
|
template<class FloatingType>
|
|
requires std::is_floating_point_v<FloatingType>
|
|
[[nodiscard]]
|
|
constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
|
|
{
|
|
return meters_to_units(kilometers * static_cast<FloatingType>(1000));
|
|
}
|
|
} // namespace omath::iw_engine
|