WIP: MutablePolygon - linked list based polygon implementation

allowing rapid insertion and removal of points.
WIP: porting smooth_outward() from Cura.
This commit is contained in:
Vojtech Bubnik 2021-03-01 18:41:36 +01:00
parent 409849d238
commit 5276bd98d7
6 changed files with 632 additions and 5 deletions

View file

@ -56,11 +56,21 @@ typedef Eigen::Transform<double, 3, Eigen::Affine, Eigen::DontAlign> Transform3d
inline bool operator<(const Vec2d &lhs, const Vec2d &rhs) { return lhs(0) < rhs(0) || (lhs(0) == rhs(0) && lhs(1) < rhs(1)); }
// One likely does not want to perform the cross product with a 32bit accumulator.
//inline int32_t cross2(const Vec2i32 &v1, const Vec2i32 &v2) { return v1(0) * v2(1) - v1(1) * v2(0); }
inline int64_t cross2(const Vec2i64 &v1, const Vec2i64 &v2) { return v1(0) * v2(1) - v1(1) * v2(0); }
inline float cross2(const Vec2f &v1, const Vec2f &v2) { return v1(0) * v2(1) - v1(1) * v2(0); }
inline double cross2(const Vec2d &v1, const Vec2d &v2) { return v1(0) * v2(1) - v1(1) * v2(0); }
template<int Options>
int32_t cross2(const Eigen::MatrixBase<Eigen::Matrix<int32_t, 2, 1, Options>> &v1, const Eigen::MatrixBase<Eigen::Matrix<int32_t, 2, 1, Options>> &v2) = delete;
template<typename T, int Options>
inline T cross2(const Eigen::MatrixBase<Eigen::Matrix<T, 2, 1, Options>> &v1, const Eigen::MatrixBase<Eigen::Matrix<T, 2, 1, Options>> &v2)
{
return v1(0) * v2(1) - v1(1) * v2(0);
}
template<typename Derived, typename Derived2>
inline typename Derived::Scalar cross2(const Eigen::MatrixBase<Derived> &v1, const Eigen::MatrixBase<Derived2> &v2)
{
static_assert(std::is_same<typename Derived::Scalar, typename Derived2::Scalar>::value, "cross2(): Scalar types of 1st and 2nd operand must be equal.");
return v1(0) * v2(1) - v1(1) * v2(0);
}
template<typename T, int Options>
inline Eigen::Matrix<T, 2, 1, Eigen::DontAlign> perp(const Eigen::MatrixBase<Eigen::Matrix<T, 2, 1, Options>> &v) { return Eigen::Matrix<T, 2, 1, Eigen::DontAlign>(- v.y(), v.x()); }