OOP in rust article - AABB trait

player.rs

trait AABB {
    fn min(&self) -> Vec3;
  
    fn max(&self) -> Vec3;

    fn collision(&self, other: &impl AABB, vel: &Vec3) -> Vec3 {
        // default implementation
    }
}

struct Player {
    position: Vec3,
    dims: Vec3,
    // ...
}

impl AABB for Player {
    fn min(&self) -> Vec3 {
        self.position - self.dims / 2.
    }

    fn max(&self) -> Vec3 {
        self.position + self.dims / 2.
    }
}