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Add DistanceSquared to vector.h

fix-squashed-planets
Rasmus Brönnegård 2022-03-07 00:00:19 +01:00
parent 73db861cc6
commit 483a855848
1 changed files with 8 additions and 1 deletions
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9
src/math/vector.h
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@ -273,6 +273,14 @@ inline float Distance(const Math::Vector &a, const Math::Vector &b)
(a.z-b.z)*(a.z-b.z) ); (a.z-b.z)*(a.z-b.z) );
} }
//! Returns the squared distance between the ends of two vectors
inline float DistanceSquared(const Math::Vector &a, const Math::Vector &b)
{
return (a.x-b.x)*(a.x-b.x) +
(a.y-b.y)*(a.y-b.y) +
(a.z-b.z)*(a.z-b.z);
}
//! Clamps the vector \a vec to range between \a min and \a max //! Clamps the vector \a vec to range between \a min and \a max
inline Vector Clamp(const Vector &vec, const Vector &min, const Vector &max) inline Vector Clamp(const Vector &vec, const Vector &min, const Vector &max)
{ {
@ -285,4 +293,3 @@ inline Vector Clamp(const Vector &vec, const Vector &min, const Vector &max)
} // namespace Math } // namespace Math