use sdl2::render::Canvas;
use sdl2::video::Window;
-use {SCREEN_HEIGHT, SCREEN_WIDTH};
+use ::{SCREEN_HEIGHT, SCREEN_WIDTH};
use boll::*;
use common::Point2D;
use sprites::SpriteManager;
pub canvas: Canvas<Window>,
pub event_pump: EventPump,
pub sprites: SpriteManager,
- pub state: Box<AppState>,
+ pub state: Box<dyn AppState>,
}
impl App {