velocity.h

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#pragma once
#include "core/types.h"
#include "game/entity.h"
#include "math/vec3.h"
//------------------------------------------------------------------------------
namespace Game
{
 
//------------------------------------------------------------------------------
struct Velocity : public Math::vec3
{
    using Math::vec3::vec3;// default constructor
    Velocity(Math::vec3 const& v)
    {
        this->load(&v.x);
    }
 
    struct Traits;
};
 
struct AngularVelocity : public Math::vec3
{
    using Math::vec3::vec3; // default constructor
    AngularVelocity(Math::vec3 const& v)
    {
        this->load(&v.x);
    }
 
    struct Traits;
};
 
//------------------------------------------------------------------------------
struct Velocity::Traits
{
    Traits() = delete;
    using type = Velocity;
    static constexpr auto name = "Velocity";
    static constexpr auto fully_qualified_name = "Game.Velocity";
    static constexpr size_t num_fields = 3;
    static constexpr const char* field_names[num_fields] = {
        "x",
        "y",
        "z"
    };
    static constexpr const char* field_typenames[num_fields] = {
        "float",
        "float",
        "float"
    };
    using field_types = std::tuple<float, float, float>;
    static constexpr size_t field_byte_offsets[num_fields] = {
        offsetof(Velocity, x),
        offsetof(Velocity, y),
        offsetof(Velocity, z)
    };
};
 
//------------------------------------------------------------------------------
struct AngularVelocity::Traits
{
    Traits() = delete;
    using type = AngularVelocity;
    static constexpr auto name = "AngularVelocity";
    static constexpr auto fully_qualified_name = "Game.AngularVelocity";
    static constexpr size_t num_fields = 3;
    static constexpr const char* field_names[num_fields] = {
        "x",
        "y",
        "z"
    };
    static constexpr const char* field_typenames[num_fields] = {
        "float",
        "float",
        "float"
    };
    using field_types = std::tuple<float, float, float>;
    static constexpr size_t field_byte_offsets[num_fields] = {
        offsetof(AngularVelocity, x),
        offsetof(AngularVelocity, y),
        offsetof(AngularVelocity, z)
    };
};
 
} // namespace Game