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| author | Robert Vollmert <rvollmert@gmx.net> | 2009-10-31 18:17:08 +0100 |
|---|---|---|
| committer | Robert Vollmert <rvollmert@gmx.net> | 2009-11-01 21:45:25 +0100 |
| commit | c8f4dd7a1f5e3c666bc84e81248df7fba78eefeb (patch) | |
| tree | d52b15c1ed055bfebf86124b2a6d7792fa9812a3 /crawl-ref/source/ray.cc | |
| parent | d106005da5f41332ac26febe398adb0d5bb61de0 (diff) | |
| download | crawl-ref-c8f4dd7a1f5e3c666bc84e81248df7fba78eefeb.tar.gz crawl-ref-c8f4dd7a1f5e3c666bc84e81248df7fba78eefeb.zip | |
Some geom2d changes.
1. Add function to reflect vector at a line.
2. Implement scalar multiplication as external operator.
Diffstat (limited to 'crawl-ref/source/ray.cc')
| -rw-r--r-- | crawl-ref/source/ray.cc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/crawl-ref/source/ray.cc b/crawl-ref/source/ray.cc index e0fa416f91..74d402c7ce 100644 --- a/crawl-ref/source/ray.cc +++ b/crawl-ref/source/ray.cc @@ -69,13 +69,13 @@ bool ray_def::advance() void ray_def::advance_and_bounce() { // XXX - r.dir *= -1; + r.dir = -r.dir; } void ray_def::regress() { - r.dir *= -1; + r.dir = -r.dir; advance(); - r.dir *= -1; + r.dir = -r.dir; } |