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#pragma once
#ifndef ZM_VEC3_HPP
#define ZM_VEC3_HPP
#include <cstddef>
namespace zm {
struct vec3 {
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wgnu-anonymous-struct"
#pragma clang diagnostic ignored "-Wnested-anon-types"
#elif defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpedantic"
#elif defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable : 4201) // nonstandard extension used :
// nameless struct/union
#pragma warning(disable : 4324) // structure was padded due to
// alignment specifier
#endif
union {
float elements[3];
struct {
union {
float x, r, s;
};
union {
float y, g, t;
};
union {
float z, b, p;
};
};
};
#if defined(__clang__)
#pragma clang diagnostic pop
#elif defined(__GNUC__)
#pragma GCC diagnostic pop
#elif defined(_MSC_VER)
#pragma warning(pop)
#endif
vec3() : x(0), y(0), z(0) {
}
vec3(float x_, float y_, float z_)
: x(x_), y(y_), z(z_) {
}
constexpr float* data() {
return elements;
}
constexpr const float* data() const {
return this->elements;
}
constexpr float& operator[](std::size_t i) {
return this->elements[i];
}
constexpr const float& operator[](
std::size_t i) const {
return this->elements[i];
}
};
} // namespace zm
#endif // ZM_VEC3_HPP
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