如图,在平面直角坐标系中,\(Rt\triangle ABC\)三个顶点都在格点上,点\(A\)、\(B\)、\(C\)的坐标分别为\(A(-1,3)\),\(B(-3,1)\),\(C(-1,1).\)请解答下列问题:
\((1)\)画出\(\triangle ABC\)关于\(y\)轴对称的\(\triangle A_{1}B_{1}C_{1}\),并写出\(B_{1}\)的坐标.
\((2)\)画出\(\triangle A_{1}B_{1}C_{1}\)绕点\(C_{1}\)顺时针旋转\(90^{\circ}\)后得到的\(\triangle A_{2}B_{2}C_{1}\),并求出点\(A_{1}\)走过的路径长.