omath/source/engines/rage_engine/traits/camera_trait.cpp

//
// Created by Codex on 6/3/2026.
//
#include "omath/engines/rage_engine/traits/camera_trait.hpp"

namespace omath::rage_engine
{

    ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
    {
        const auto direction = (look_at - cam_origin).normalized();

        return {PitchAngle::from_radians(std::asin(direction.z)),
                YawAngle::from_radians(-std::atan2(direction.x, direction.y)), RollAngle::from_radians(0.f)};
    }
    Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
    {
        return rage_engine::calc_view_matrix(angles, cam_origin);
    }
    Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
                                               const projection::ViewPort& view_port, const float near, const float far,
                                               const NDCDepthRange ndc_depth_range) noexcept
    {
        return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far,
                                                  ndc_depth_range);
    }
} // namespace omath::rage_engine