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Vec2::normal accounts for zero-length

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Noel Berry
2022-01-09 14:32:50 -08:00
parent 832c8f4283
commit c8afa3f699
1 changed files with 2 additions and 0 deletions
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include/blah/numerics/spatial.h
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@ -456,6 +456,8 @@ namespace Blah
template<class T> template<class T>
Vec2<T> Vec2<T>::normal() const { Vec2<T> Vec2<T>::normal() const {
auto len = std::sqrt(x * x + y * y); auto len = std::sqrt(x * x + y * y);
if (len <= 0)
return Vec2<T>(0, 0);
return Vec2(x / len, y / len); return Vec2(x / len, y / len);
} }