diff options
Diffstat (limited to 'crawl-ref')
-rw-r--r-- | crawl-ref/source/ray.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/crawl-ref/source/ray.cc b/crawl-ref/source/ray.cc index bb3dde3a8e..6d7049b4ab 100644 --- a/crawl-ref/source/ray.cc +++ b/crawl-ref/source/ray.cc @@ -321,7 +321,9 @@ void ray_def::bounce(const reflect_grid &rg) void ray_def::regress() { + ASSERT(_valid()); r.dir = -r.dir; advance(); r.dir = -r.dir; + ASSERT(_valid()); } |