trs.hpp

#ifndef TOPAZ_CORE_TRS_HPP
#define TOPAZ_CORE_TRS_HPP
#include "tz/core/vector.hpp"
#include "tz/core/quaternion.hpp"
#include "tz/core/matrix.hpp"
 
namespace tz
{
    tz::m4f matrix_translate(tz::v3f translate);
    tz::m4f matrix_scale(tz::v3f scale);
    tz::m4f matrix_ortho(float left, float right, float top, float bottom, float near, float far);
    tz::m4f matrix_persp(float fov, float aspect_ratio, float near, float far);
    tz::m4f matrix_persp_nofar(float fov, float aspect_ratio, float near);
 
    struct trs
    {
        tz::v3f translate = tz::v3f::zero();
        tz::quat rotate = tz::quat::iden();
        tz::v3f scale = tz::v3f::filled(1.0f);
 
        trs lerp(const trs& rhs, float factor) const;
        m4f matrix() const;
        static trs from_matrix(m4f mat);
 
        trs inverse() const;
        trs combine(const trs& rhs);
 
        bool operator==(const trs& rhs) const = default;
    };
}
 
#endif // TOPAZ_CORE_TRS_HPP