decompose.hxx

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#pragma once
#include <ice/math/vector/vector_operations.hxx>
#include <ice/math/rotate.hxx>
#include <ice/math/scale.hxx>
#include <ice/math/translate.hxx>
 
namespace ice::math
{
 
    template<typename T>
    constexpr void decompose(
        mat<4, 4, T> matrix,
        vec3f* pos,
        vec3f* scale,
        vec<3, rad>* angle
    ) noexcept;
 
 
    template<typename T>
    constexpr void decompose(
        mat<4, 4, T> matrix,
        vec3f* pos,
        vec3f* scale,
        vec<3, rad>* angle
    ) noexcept
    {
        if (scale != nullptr)
        {
            *scale = ice::math::scale(matrix);
        }
 
        matrix = ice::math::ortho_normalize(matrix);
 
        if (pos != nullptr)
        {
            *pos = ice::math::translation(matrix);
        }
        if (angle != nullptr)
        {
            *angle = ice::math::rotation(matrix);
        }
    }
 
} // namespace ice::math