use std::ops::{Deref, DerefMut}; use glc::vector::Vector2f; use specs::{Component, VecStorage}; pub struct Velocity(pub Vector2f); impl Component for Velocity { type Storage = VecStorage; } impl Deref for Velocity { type Target = Vector2f; fn deref(&self) -> &Self::Target { &self.0 } } impl DerefMut for Velocity { fn deref_mut(&mut self) -> &mut Self::Target { &mut self.0 } }