remove annoying left walker stuff

src/components.rs

@@ -15,9 +15,6 @@ pub struct Renderable {
     pub bg: RGB,
 }
 
-#[derive(Component)]
-pub struct LeftMover {}
-
 #[derive(Component, Debug)]
 pub struct Player {}
 

src/main.rs

@@ -54,21 +54,6 @@ pub fn player_input(gs: &mut State, ctx: &mut Rltk) {
     }
 }
 
-struct LeftWalker {}
-
-impl<'a> System<'a> for LeftWalker {
-    type SystemData = (ReadStorage<'a, LeftMover>, WriteStorage<'a, Position>);
-
-    fn run(&mut self, (lefty, mut pos): Self::SystemData) {
-        for (_lefty, pos) in (&lefty, &mut pos).join() {
-            pos.x -= 1;
-            if pos.x < 0 {
-                pos.x = 79;
-            }
-        }
-    }
-}
-
 impl State {
     fn run_systems(&mut self) {
         let mut vis = VisibilitySystem {};
@@ -104,7 +89,6 @@ fn main() {
 
     gs.ecs.register::<Position>();
     gs.ecs.register::<Renderable>();
-    gs.ecs.register::<LeftMover>();
     gs.ecs.register::<Player>();
     gs.ecs.register::<Viewshed>();
 
@@ -126,18 +110,6 @@ fn main() {
         })
         .build();
 
-    for i in 0..10 {
-        gs.ecs
-            .create_entity()
-            .with(Position { x: i * 7, y: 20 })
-            .with(Renderable {
-                glyph: rltk::to_cp437('☺'),
-                fg: RGB::named(rltk::RED),
-                bg: RGB::named(rltk::BLACK),
-            })
-            .with(LeftMover {})
-            .build();
-    }
     gs.ecs.insert(map);
 
     rltk::main_loop(context, gs);