// 数组旋转
// 

namespace EventCubeMelt.Utils
{
    public static class MatrixRotation<T>
    {
        // 二维数组（矩阵）顺时针旋转90度
        public static T[,] Rotate90Clockwise(T[,] matrix)
        {
            int rows = matrix.GetLength(0);
            int cols = matrix.GetLength(1);
        
            T[,] result = new T[cols, rows]; // 旋转后行列互换
        
            for (int i = 0; i < rows; i++)
            {
                for (int j = 0; j < cols; j++)
                {
                    result[j, rows - 1 - i] = matrix[i, j];
                }
            }
        
            return result;
        }
        
        // 二维数组逆时针旋转90度
        public static T[,] Rotate90CounterClockwise(T[,] matrix)
        {
            int rows = matrix.GetLength(0);
            int cols = matrix.GetLength(1);
        
            T[,] result = new T[cols, rows];
        
            for (int i = 0; i < rows; i++)
            {
                for (int j = 0; j < cols; j++)
                {
                    result[cols - 1 - j, i] = matrix[i, j];
                }
            }
        
            return result;
        }
    }
}