dxlib_util.h

[詳解]

 
 
// Copyright(c) 2023-2025 Design Engineering Laboratory, Saitama University
// Released under the MIT license
// https://opensource.org/licenses/mit-license.php
 
#ifndef DESIGNLAB_DXLIB_UTIL_H_
#define DESIGNLAB_DXLIB_UTIL_H_
 
#include <array>
 
#include <Dxlib.h>
 
#include "math_rotation_matrix.h"
#include "math_vector3.h"
 
 
namespace designlab::dxlib_util
{
 
void InitDxlib3DSetting(bool high_quality);
 
inline VECTOR ConvertToDxlibVec(const Vector3& vec)
{
    return VGet(vec.x, -vec.y, vec.z);
}
 
inline MATRIX ConvertToDxlibMat(const RotationMatrix3x3& mat)
{
    return {
      mat.element[0][0], mat.element[0][1], mat.element[0][2], 0,
      mat.element[1][0], mat.element[1][1], mat.element[1][2], 0,
      mat.element[2][0], mat.element[2][1], mat.element[2][2], 0,
      0, 0, 0, 1
    };
}
 
inline Vector3 ConvertDesignLabVec(const VECTOR& vec)
{
    return Vector3(vec.x, -vec.y, vec.z);
}
 
 
void SetZBufferEnable();
 
 
void DrawCube3D(const VECTOR& center_pos, float side_len, unsigned int color);
 
 
void DrawCube3DWithTopPos(
    const VECTOR& top_pos, float side_len, unsigned int color);
 
 
void DrawHexagon(const std::array<VECTOR, 6>& vertex, unsigned int color);
 
 
void DrawHexagonalPrism(
    const std::array<VECTOR, 6>& vertex, float height, unsigned int color);
 
 
}  // namespace designlab::dxlib_util
 
 
namespace DxLib
{
// VECTORの算術演算子を自作する．
 
constexpr VECTOR operator+(const VECTOR& vec1, const VECTOR& vec2)
{
    return { vec1.x + vec2.x, vec1.y + vec2.y, vec1.z + vec2.z };
};
 
constexpr VECTOR operator-(const VECTOR& vec1, const VECTOR& vec2)
{
    return { vec1.x - vec2.x, vec1.y - vec2.y, vec1.z - vec2.z };
};
 
constexpr VECTOR operator*(const VECTOR& vec, const float s)
{
    return { vec.x * s, vec.y * s, vec.z * s };
};
 
constexpr VECTOR operator*(const float s, const VECTOR& vec)
{
    return vec * s;
};
 
constexpr VECTOR operator/(const VECTOR& vec, const float s)
{
    return { vec.x / s, vec.y / s, vec.z / s };
};
 
}  // namespace DxLib
 
 
#endif  // DESIGNLAB_DXLIB_UTIL_H_