pub type BPhase = ncollide2d::broad_phase::DBVTBroadPhase<
    f32,
    ncollide2d::bounding_volume::AABB<f32>,
    specs::Entity,
>;
pub type NPhase = ncollide2d::narrow_phase::NarrowPhase<f32, ()>;
pub type World = ncollide2d::world::CollisionWorld<f32, Option<specs::Entity>>;