diff options
Diffstat (limited to 'meowpp/geo/Vector3D.h')
| -rw-r--r-- | meowpp/geo/Vector3D.h | 109 |
1 files changed, 56 insertions, 53 deletions
diff --git a/meowpp/geo/Vector3D.h b/meowpp/geo/Vector3D.h index 08b5705..6da1820 100644 --- a/meowpp/geo/Vector3D.h +++ b/meowpp/geo/Vector3D.h @@ -1,74 +1,77 @@ #ifndef geo_Vector3D_H__ #define geo_Vector3D_H__ +#include "../math/Matrix.h" + #include <cmath> -#include "../utility.h" namespace meow{ template<class Scalar> class Vector3D{ private: - Scalar _x, _y, _z, _w; + Scalar _x, _y, _z; public: + Vector3D(); + Vector3D(Vector3D const& __v); + Vector3D(Scalar const& __x, Scalar const& __y, Scalar const& _z); + ~Vector3D(); + // + Vector3D& copy(Vector3D const& __v); + // + Scalar const& x() const; + Scalar const& y() const; + Scalar const& z() const; + Scalar const& x(Scalar const& __s); + Scalar const& y(Scalar const& __s); + Scalar const& z(Scalar const& __s); + Vector3D& xyz(Scalar const& __x, Scalar const& __y, Scalar const& __z); // - Vector3D(): _x(0), _y(0), _z(0), _w(0){ } - Vector3D(Scalar const& x, - Scalar const& y, - Scalar const& z) : _x( x), _y( y), _z( z), _w( 0){ } - Vector3D(Scalar const& x, - Scalar const& y, - Scalar const& z, - Scalar const& w) : _x( x), _y( y), _z( z), _w( w){ } - Vector3D(Vector3D const& v): _x(v._x), _y(v._y), _z(v._z), _w(v._w){ } + Vector3D positive() const; + Vector3D negative() const; + Vector3D right () const; // - Scalar const& x() const{ return _x; } - Scalar const& y() const{ return _y; } - Scalar const& z() const{ return _z; } - Scalar const& w() const{ return _w; } - Scalar & x(Scalar const& s){ _x = s; return _x; } - Scalar & y(Scalar const& s){ _y = s; return _y; } - Scalar & z(Scalar const& s){ _z = s; return _z; } - Scalar & w(Scalar const& s){ _w = s; return _w; } - Vector3D& operator()(Scalar const& x, Scalar const& y, Scalar const& z ){ _x = x; _y = y; _z = z; return *this; } - Vector3D& operator()(Scalar const& x, Scalar const& y, Scalar const& z, Scalar const& w){ _x = x; _y = y; _z = z; _w = w; return *this; } - Scalar & operator[](size_t n) { return (n == 0 ? _x : (n == 1 ? _y : (n == 2 ? _z : _w))); } - Scalar const& operator[](size_t n) const{ return (n == 0 ? _x : (n == 1 ? _y : (n == 2 ? _z : _w))); } + Vector3D add(Vector3D const& __v) const; + Vector3D sub(Vector3D const& __v) const; + Vector3D mul(Scalar const& __s) const; + Vector3D div(Scalar const& __s) const; // - Vector3D operator-() const{ return Vector3D(-_x, -_y, -_z, _w); } + Scalar dot (Vector3D const& __v) const; + Vector3D cross(Vector3D const& __v) const; + Scalar length () const; + Scalar length2() const; // - Vector3D operator+(Vector3D const& v) const{ return Vector3D(_x + v._x, _y + v._y, _z + v._z, _w); } - Vector3D operator-(Vector3D const& v) const{ return Vector3D(_x - v._x, _y - v._y, _z - v._z, _w); } - Vector3D operator*(Scalar const& s) const{ return Vector3D(_x * s, _y * s, _z * s, _w); } - Vector3D operator/(Scalar const& s) const{ return Vector3D(_x / s, _y / s, _z / s, _w); } + Vector3D& normalize (); + Vector3D normalized() const; + Vector3D& rotate (Vector3D const& __axis, Scalar const& __theta); + Vector3D rotated (Vector3D const& __axis, Scalar const& __theta) const; + Vector3D& reflect (Vector3D const& __v); + Vector3D reflected (Vector3D const& __v) const; // - Vector3D& operator+=(Vector3D const& v){ _x += v._x; _y += v._y; _z += v._z; return *this; } - Vector3D& operator-=(Vector3D const& v){ _x -= v._x; _y -= v._y; _z -= v._z; return *this; } - Vector3D& operator*=(Scalar const& s){ _x *= s; _y *= s; _z *= s; return *this; } - Vector3D& operator/=(Scalar const& s){ _x /= s; _y /= s; _z /= s; return *this; } + Matrix<Scalar> matrix( ) const; + Matrix<Scalar> matrix(Scalar const& __homo) const; // - Scalar dot (Vector3D const& v) const{ return _x * v._x + _y * v._y + _z * v._z; } - Scalar cross(Vector3D const& v) const{ return Vector3D(_y * v._z - _z * v._y, - _z * v._x - _x * v._z, - _x * v._y - _y - v._x, - _w); } - Scalar length () const{ return sqrt(squ(_x) + squ(_y) + squ(_z)); } - Scalar length3() const{ return squ(_x) + squ(_y) + squ(_z) ; } + Scalar const& operator()(size_t n) const; + Scalar& operator()(size_t n); + Vector3D& operator()(Scalar const& __x, + Scalar const& __y, + Scalar const& __z); // - Vector3D normal() const{ - Scalar len(length()); - return Vector3D(_x / len, _y / len, _z / len, _w); - } - Vector3D rotation(Vector3D const& axis, Scalar theta) const{ - Vector3D a(axis.normal()); - Vector3D h(a * a.dot(*this)); - Vector3D x((*this) - a); - Vector3D y(a.cross(*this)); - return h + x * cos(theta) + y * sin(theta); - } - Vector3D reflection(Vector3D const& v) const{ - return v * v.dot(*this) * 2 / v.length2() - *this; - } + Vector3D operator+() const; + Vector3D operator-() const; + Vector3D operator~() const; + // + Vector3D operator+(Vector3D const& __v) const; + Vector3D operator-(Vector3D const& __v) const; + Vector3D operator*(Scalar const& __s) const; + Vector3D operator/(Scalar const& __s) const; + // + Vector3D& operator+=(Vector3D const& __v); + Vector3D& operator-=(Vector3D const& __v); + Vector3D& operator*=(Scalar const& __s); + Vector3D& operator/=(Scalar const& __s); }; } +#include "Vector3D.hpp" + #endif // geo_Vector3D_H__ |