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Merge branch 'patch-1' of https://github.com/mgedmin/rustrogueliketutorial into mgedmin-patch-1

Herbert Wolverson 5 лет назад
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352c2c3857
1 измененных файлов с 2 добавлено и 2 удалено
  1. 2 2
      book/src/chapter_5.md

+ 2 - 2
book/src/chapter_5.md

@@ -486,7 +486,6 @@ Our creation method also needs to know to add all false to it, just like before:
 
 ```rust
 if viewshed.dirty {
-    for t in map.visible_tiles.iter_mut() { *t = false };
     viewshed.dirty = false;
     viewshed.visible_tiles.clear();
     viewshed.visible_tiles = field_of_view(Point::new(pos.x, pos.y), viewshed.range, &*map);
@@ -494,6 +493,7 @@ if viewshed.dirty {
     // If this is the player, reveal what they can see
     let _p : Option<&Player> = player.get(ent);
     if let Some(_p) = _p {
+        for t in map.visible_tiles.iter_mut() { *t = false };
         for vis in viewshed.visible_tiles.iter() {
             let idx = map.xy_idx(vis.x, vis.y);
             map.revealed_tiles[idx] = true;
@@ -551,4 +551,4 @@ If you `cargo run` your project, you will now have visible tiles as slightly cya
 
 Copyright (C) 2019, Herbert Wolverson.
 
----
+---