diff options
Diffstat (limited to 'content/geometry/delaunay.cpp')
| -rw-r--r-- | content/geometry/delaunay.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/content/geometry/delaunay.cpp b/content/geometry/delaunay.cpp index c813892..5672b57 100644 --- a/content/geometry/delaunay.cpp +++ b/content/geometry/delaunay.cpp @@ -3,7 +3,8 @@ using pt = complex<lll>; constexpr pt INF_PT = pt(2e18, 2e18); -bool circ(pt p, pt a, pt b, pt c) {// p in circle(A,B,C), ABC must be ccw +// p in circle(A,B,C), ABC must be ccw +bool circ(pt p, pt a, pt b, pt c) { return imag((c-b)*conj(p-c)*(a-p)*conj(b-a)) < 0; } @@ -12,10 +13,10 @@ struct QuadEdge { QuadEdge* onext = nullptr; pt orig = INF_PT; bool used = false; - QuadEdge* rev() const {return rot->rot;} - QuadEdge* lnext() const {return rot->rev()->onext->rot;} - QuadEdge* oprev() const {return rot->onext->rot;} - pt dest() const {return rev()->orig;} + QuadEdge* rev() const { return rot->rot; } + QuadEdge* lnext() const { return rot->rev()->onext->rot; } + QuadEdge* oprev() const { return rot->onext->rot; } + pt dest() const { return rev()->orig; } }; deque<QuadEdge> edgeData; |
