mgl_vector4.h

[詳解]

// SPDX-License-Identifier: Zlib
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
 
#ifndef INCGUARD_MGL_VECTOR4_H_1614659262
#define INCGUARD_MGL_VECTOR4_H_1614659262
 
namespace MGL
{
struct Vector4
{
    float x;    
    float y;    
    float z;    
    float w;    
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    constexpr Vector4() noexcept
        : x(0.0f)
        , y(0.0f)
        , z(0.0f)
        , w(0.0f)
    {}
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    constexpr Vector4(float inX, float inY, float inZ, float inW) noexcept
        : x(inX)
        , y(inY)
        , z(inZ)
        , w(inW)
    {}
};
 
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
constexpr Vector4 operator+(const Vector4 &lhs, const Vector4 &rhs) noexcept
{
    return Vector4(lhs.x + rhs.x,
                   lhs.y + rhs.y,
                   lhs.z + rhs.z,
                   lhs.w + rhs.w);
}
 
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
constexpr Vector4 operator-(const Vector4 &lhs, const Vector4 &rhs) noexcept
{
    return Vector4(lhs.x - rhs.x,
                   lhs.y - rhs.y,
                   lhs.z - rhs.z,
                   lhs.w - rhs.w);
}
}    // namespace MGL
 
#endif    // INCGUARD_MGL_VECTOR4_H_1614659262
 
// vim: et ts=4 sw=4 sts=4