Wouldn't it be fun to actually play with these bouncy balls? Let's make a game – try to aim the ball at a target using headshots. For this game, balls drop one at a time from above and bounce off your forehead (face), aiming for a target.
Feature: When a ball drops from above your head, you bounce it off your face and aim for a target.
To implement this, place a cube collider on the
MeMyselfEye head, parented by the VR camera, so our head pose will move the face of the cube. I decided a cube shaped collider will be better for this game than a sphere or capsule, because it provides a flat face (like a paddle) that will make the bounce direction more predictable. Balls will drop out of the sky. For a target, we'll use a flattened cylinder. ...