How to make KinematicBody2D interact With Line 2D

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:bust_in_silhouette: Asked By GDnoob

In my scene, There Is A Player(KinematicBody2D) Which Is A Ball, And A Line2D.

I made it so when I Click Left Mouse Button, Line2D will have a new point, And My Question Is How To Let The Ball “Bounce” On
Line2D.