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Add 2D angle -> direction function

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This commit is contained in:
Nikita Lisitsa 2021-04-10 16:47:51 +03:00
parent 78eec7085d
commit e02efd2f7b
1 changed files with 6 additions and 0 deletions
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6
libs/geom/include/psemek/geom/vector.hpp
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@ -302,6 +302,12 @@ namespace psemek::geom
return ort(v0, v1); return ort(v0, v1);
} }
template <typename T>
vector<T, 2> direction(T angle)
{
return {std::cos(angle), std::sin(angle)};
}
template <typename T, std::size_t N> template <typename T, std::size_t N>
vector<T, N> pointwise_mult(vector<T, N> const & v0, vector<T, N> const & v1) vector<T, N> pointwise_mult(vector<T, N> const & v0, vector<T, N> const & v1)
{ {