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| author | Dan Goodliffe <dan@randomdan.homeip.net> | 2022-12-18 14:04:23 +0000 |
|---|---|---|
| committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2022-12-18 14:04:23 +0000 |
| commit | 9c2fce90b58b65b6c52802657fe5aff602d4afb2 (patch) | |
| tree | db3086b2f851b145375c6d1ccc92618b34c0f022 | |
| parent | Pair support for streams (diff) | |
| download | ilt-9c2fce90b58b65b6c52802657fe5aff602d4afb2.tar.bz2 ilt-9c2fce90b58b65b6c52802657fe5aff602d4afb2.tar.xz ilt-9c2fce90b58b65b6c52802657fe5aff602d4afb2.zip | |
Helper for midpoint of pair
| -rw-r--r-- | lib/maths.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/maths.h b/lib/maths.h index 1c07baa..5bb69d3 100644 --- a/lib/maths.h +++ b/lib/maths.h @@ -3,6 +3,7 @@ #include <cmath> #include <glm/glm.hpp> #include <glm/gtc/constants.hpp> +#include <numeric> #include <utility> struct Arc : public std::pair<float, float> { @@ -130,6 +131,13 @@ std::pair<glm::vec2, bool> find_arc_centre(glm::vec2 start, glm::vec2 ad, glm::v std::pair<float, float> find_arcs_radius(glm::vec2 start, float entrys, glm::vec2 end, float entrye); float find_arcs_radius(glm::vec2 start, glm::vec2 ad, glm::vec2 end, glm::vec2 bd); +template<typename T> +auto +midpoint(const std::pair<T, T> & v) +{ + return std::midpoint(v.first, v.second); +} + // Conversions template<typename T> inline constexpr auto |