在平面直角坐标系中,曲线\(C_{1}\)的参数方程为:\( \begin{cases} \overset{x=4\cos \theta }{y=3\sin \theta }\end{cases}(θ\)为参数\()\),以坐标原点\(O\)为极点,\(x\)轴的非负半轴为极轴建立极坐标系,曲线\(C_{2}\)的极坐标方程为\(ρ\sin (θ+ \dfrac {π}{4})= \dfrac {5 \sqrt {2}}{2}\).
\((1)\)求曲线\(C_{2}\)的直角坐标方程;
\((2)\)已知点\(M\)曲线\(C_{1}\)上任意一点,求点\(M\)到曲线\(C_{2}\)的距离\(d\)的取值范围.