To use a Physics Material 2D, simply drag it onto an object with a 2D collider attached or drag it to the collider component A functional part of a GameObject A GameObject can contain any number of components Unity has many builtin components, and you can create your own by writing scripts that inherit from MonoBehaviourBut since we are lazy, we will just let Unity take care of the bouncing off thing by assigning a Physics Material to the Collider that makes it bounce off things all the time At first we right click in our Project Area and selected Create>Unity already has that specific material created, so we just need to add it On the Project tab, create a new folder inside the Asset folder and name it Physics Select this folder, click Create, and choose Physics2D Material Name your new physics material BallPhysicsMaterial The material has two parameters Friction and Bounciness Unity Manual Character Controller Unity physics material 2d script
