int direction = {{0, 1}, {1, 1}, {1, 0}, {1, -1}, {0, -1}, {-1, -1}, {-1, 0}, {-1, 1}};该代码初始值设定项太多,怎么解决,用C++解决
时间: 2024-10-24 07:09:13 浏览: 26
这个代码看起来是在定义一个二维数组direction,表示八个方向的移动:上、右、下、左、以及四个对角线的方向。如果感觉初始化项过多,可以考虑使用枚举类型(enumeration)或者预定义常量数组来提高代码可读性和维护性。
使用C++的枚举类型:
```cpp
enum class Direction {
Up = 0,
Right,
Down,
Left,
Diagonal1,
Diagonal2,
Diagonal3,
Diagonal4
};
Direction direction[8] = {
Direction::Up,
Direction::Right,
Direction::Down,
Direction::Left,
Direction::Diagonal1,
Direction::Diagonal2,
Direction::Diagonal3,
Direction::Diagonal4
};
```
这样,每个方向都有一个明确的名字,而且修改方向时只需要改变枚举值,而不是直接操作数组索引。
若需要使用预定义常量数组,可以创建一个全局变量:
```cpp
const std::array<Direction, 8> directions = {
Direction::Up,
Direction::Right,
Direction::Down,
Direction::Left,
Direction::Diagonal1,
Direction::Diagonal2,
Direction::Diagonal3,
Direction::Diagonal4
};
```
阅读全文
相关推荐


















