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//-----------------------------------------------------------------------------
// BSPLIB HEADER: Vertex.h
//
// Copyright (c) 1997 by Markus Hadwiger
// All Rights Reserved.
//-----------------------------------------------------------------------------
#ifndef _VERTEX_H_
#define _VERTEX_H_
// bsplib header files
#include "BspLibDefs.h"
BSPLIB_NAMESPACE_BEGIN
// single 3-D vertex ----------------------------------------------------------
//
class Vertex3 {
friend class Vector3;
friend class LineSeg3;
friend int operator ==( const Vertex3 v1, const Vertex3 v2 );
friend int operator !=( const Vertex3 v1, const Vertex3 v2 );
friend class Vector3 operator -( const Vertex3 v1, const Vertex3 v2 );
friend Vertex3 operator +( const Vertex3 v1, const class ector3 v2 );
friend Vertex3 operator +( const class Vector3 v1, const Vertex3 v2 );
friend Vertex3 operator -( const Vertex3 v1, const class Vector3 v2 );
public:
Vertex3( hprec_t x = 0, hprec_t y = 0, hprec_t z = 0, hprec_t w = 1.0 );
~Vertex3() { }
Vertex3& operator +=( const Vector3 v );
Vertex3& operator -=( const Vector3 v );
int IsInVicinity( const Vertex3& vertex ) const;
void ChangeAxes( const char *xchangecmd, const Vertex3& ads );
hprec_t getX() const { return X; }
hprec_t getY() const { return Y; }
hprec_t getZ() const { return Z; }
hprec_t getW() const { return W; }
void setX( hprec_t x ) { X = x; }
void setY( hprec_t y ) { Y = y; }
void setZ( hprec_t z ) { Z = z; }
void setW( hprec_t w ) { W = w; }
hprec_t X;
hprec_t Y;
hprec_t Z;
hprec_t W;
private:
void ChangeAxis( const char xchar, const hprec_t src );
protected:
};
// single 3-D vector ----------------------------------------------------------
//
class Vector3 : public Vertex3 {
friend class LineSeg3;
friend Vector3 operator -( const Vertex3 v1, const Vertex3 v2 );
friend Vertex3 operator +( const Vertex3 v1, const Vector3 v2 );
friend Vertex3 operator +( const Vector3 v1, const Vertex3 v2 );
friend Vertex3 operator -( const Vertex3 v1, const Vector3 v2 );
friend Vector3 operator +( const Vector3 v1, const Vector3 v2 );
friend Vector3 operator -( const Vector3 v1, const Vector3 v2 );
friend Vector3 operator *( const Vector3 v1, double t );
friend Vector3 operator *( double t, const Vector3 v1 );
public:
Vector3( hprec_t x = 0, hprec_t y = 0, hprec_t z = 0, hprec_t w = 1.0 )
: Vertex3( x, y, z, w ) { }
// initialize as direction vector
Vector3( const Vertex3& v1, const Vertex3& v2 )
: Vertex3( v2.X - v1.X, v2.Y - v1.Y, v2.Z - v1.Z ) { }
// initialize as cross product
Vector3( const Vector3& v1, const Vector3& v2 );
// conversion from Vertex3
Vector3( const Vertex3& vtx ) { *(Vertex3*)this = vtx; }
~Vector3() { }
Vector3& operator +=( const Vector3 v );
Vector3& operator -=( const Vector3 v );
Vector3& operator *=( double t );
int Normalize();
int Homogenize();
int IsNullVector() const;
hprec_t VecLength() const;
hprec_t DotProduct( const Vector3& vect ) const;
void CrossProduct( const Vector3& vect1, const Vector3& vect2 );
void CreateDirVec( const Vertex3& vertex1, const Vertex3& vertex2 );
};
// single 2-D vertex ----------------------------------------------------------
//
class Vertex2 {
friend class Vector2;
friend class LineSeg2;
friend int operator ==( const Vertex2 v1, const Vertex2 v2 );
friend int operator !=( const Vertex2 v1, const Vertex2 v2 );
friend class Vector2 operator -( const Vertex2 v1, const Vertex2 v2 );
friend Vertex2 operator +( const Vertex2 v1, const class Vector2 v2 );
friend Vertex2 operator +( const class Vector2 v1, const Vertex2 v2 );
friend Vertex2 operator -( const Vertex2 v1, const class Vector2 v2 );
public:
Vertex2( hprec_t x = 0, hprec_t y = 0, hprec_t w = 1.0 ) { X = x; Y = y; W = w; }
// conversion Vector2 -> Vertex2
Vertex2( const Vector2& vect );
~Vertex2() { }
Vertex2& operator +=( const Vector2 v );
Vertex2& operator -=( const Vector2 v );
int IsInVicinity( const Vertex2& vertex ) const;
void InitFromVertex3( const Vertex3& vertex );
hprec_t getX() const { return X; }
hprec_t getY() const { return Y; }
hprec_t getW() const { return W; }
void setX( hprec_t x ) { X = x; }
void setY( hprec_t y ) { Y = y; }
void setW( hprec_t w ) { W = w; }
protected:
hprec_t X;
hprec_t Y;
hprec_t W;
};
// single 2-D vector ----------------------------------------------------------
//
class Vector2 : public Vertex2 {
friend class LineSeg2;
friend Vector2 operator -( const Vertex2 v1, const Vertex2 v2 );
friend Vertex2 operator +( const Vertex2 v1, const Vector2 v2 );
friend Vertex2 operator +( const Vector2 v1, const Vertex2 v2 );
friend Vertex2 operator -( const Vertex2 v1, const Vector2 v2 );
friend Vector2 operator +( const Vector2 v1, const Vector2 v2 );
friend Vector2 operator -( const Vector2 v1, const Vector2 v2 );
friend Vector2 operator *( const Vector2 v1, double t );
friend Vector2 operator *( double t, const Vector2 v1 );
public:
Vector2( hprec_t x = 0, hprec_t y = 0, hprec_t w = 1.0 )
: Vertex2( x, y, w ) { }
// initialize as direction vector
Vector2( const Vertex2& v1, const Vertex2& v2 )
: Vertex2( v2.X - v1.X, v2.Y - v1.Y ) { }
// conversion from Vertex2
Vector2( const Vertex2& vtx ) { *(Vertex2*)this = vtx; }
~Vector2() { }
Vector2& operator +=( const Vector2 v );
Vector2& operator -=( const Vector2 v );
Vector2& operator *=( double t );
int Normalize();
int Homogenize();
int IsNullVector() const;
hprec_t VecLength() const;
hprec_t DotProduct( const Vector2& vect ) const;
void CreateDirVec( const Vertex2& vertex, const Vertex2& dirvec );
};
BSPLIB_NAMESPACE_END
// include vector and lineseg capability, and chunks of vertices
#include "Vector.h"
#include "LineSeg2.h"
#include "LineSeg3.h"
#include "VertexChunk.h"
#endif // _VERTEX_H_
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