diff options
Diffstat (limited to 'utility')
| -rw-r--r-- | utility/maths.cpp | 21 | ||||
| -rw-r--r-- | utility/maths.h | 4 |
2 files changed, 13 insertions, 12 deletions
diff --git a/utility/maths.cpp b/utility/maths.cpp index 5cae411..e36c91e 100644 --- a/utility/maths.cpp +++ b/utility/maths.cpp @@ -39,15 +39,16 @@ normalize(float ang) return ang; } -Arc -create_arc(const glm::vec3 & centre3, const glm::vec3 & e0p, const glm::vec3 & e1p) +Arc::Arc(const glm::vec3 & centre3, const glm::vec3 & e0p, const glm::vec3 & e1p) : + Arc([&]() -> Arc { + const auto diffa = e0p - centre3; + const auto diffb = e1p - centre3; + const auto anga = flat_angle(diffa); + const auto angb = [&diffb, &anga]() { + const auto angb = flat_angle(diffb); + return (angb < anga) ? angb + two_pi : angb; + }(); + return {anga, angb}; + }()) { - const auto diffa = centre3 - e0p; - const auto diffb = centre3 - e1p; - const auto anga = flat_angle(diffa); - const auto angb = [&diffb, &anga]() { - const auto angb = flat_angle(diffb); - return (angb < anga) ? angb + two_pi : angb; - }(); - return {anga, angb}; } diff --git a/utility/maths.h b/utility/maths.h index 31f5960..572268a 100644 --- a/utility/maths.h +++ b/utility/maths.h @@ -8,6 +8,8 @@ struct Arc : public std::pair<float, float> { using std::pair<float, float>::pair; + Arc(const glm::vec3 & centre3, const glm::vec3 & e0p, const glm::vec3 & e1p); + float operator[](unsigned int i) const { @@ -44,6 +46,4 @@ arc_length(const Arc & arc) float normalize(float ang); -Arc create_arc(const glm::vec3 & centre3, const glm::vec3 & e0p, const glm::vec3 & e1p); - #endif |