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77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
//
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// Created by Orange on 12/4/2024.
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//
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#pragma once
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#include "omath/engines/source_engine/constants.hpp"
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namespace omath::source_engine
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{
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[[nodiscard]]
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Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
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[[nodiscard]]
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Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
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[[nodiscard]]
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Vector3<float> right_vector(const ViewAngles& angles) noexcept;
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[[nodiscard]]
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Vector3<float> up_vector(const ViewAngles& angles) noexcept;
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[[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
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[[nodiscard]]
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Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far,
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NDCDepthRange ndc_depth_range = NDCDepthRange::NEGATIVE_ONE_TO_ONE) noexcept;
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template<class FloatingType>
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requires std::is_floating_point_v<FloatingType>
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[[nodiscard]]
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constexpr FloatingType units_to_centimeters(const FloatingType& units)
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{
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constexpr auto centimeter_in_unit = static_cast<FloatingType>(2.54);
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return units * centimeter_in_unit;
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}
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template<class FloatingType>
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requires std::is_floating_point_v<FloatingType>
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[[nodiscard]]
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constexpr FloatingType units_to_meters(const FloatingType& units)
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{
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return units_to_centimeters(units) / static_cast<FloatingType>(100);
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}
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template<class FloatingType>
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requires std::is_floating_point_v<FloatingType>
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[[nodiscard]]
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constexpr FloatingType units_to_kilometers(const FloatingType& units)
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{
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return units_to_meters(units) / static_cast<FloatingType>(1000);
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}
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template<class FloatingType>
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requires std::is_floating_point_v<FloatingType>
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[[nodiscard]]
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constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
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{
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constexpr auto centimeter_in_unit = static_cast<FloatingType>(2.54);
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return centimeters / centimeter_in_unit;
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}
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template<class FloatingType>
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requires std::is_floating_point_v<FloatingType>
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[[nodiscard]]
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constexpr FloatingType meters_to_units(const FloatingType& meters)
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{
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return centimeters_to_units(meters * static_cast<FloatingType>(100));
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}
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template<class FloatingType>
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requires std::is_floating_point_v<FloatingType>
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[[nodiscard]]
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constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
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{
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return meters_to_units(kilometers * static_cast<FloatingType>(1000));
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}
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} // namespace omath::source_engine
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