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Yet another cr lf mismatch

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Paolo Cignoni 2004-03-03 14:32:13 +00:00
parent 86786bc121
commit e6a05ea921
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vcg/space/box3.h
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/**************************************************************************** /****************************************************************************
* VCGLib o o * * VCGLib o o *
* Visual and Computer Graphics Library o o * * Visual and Computer Graphics Library o o *
* _ O _ * * _ O _ *
* Copyright(C) 2004 \/)\/ * * Copyright(C) 2004 \/)\/ *
* Visual Computing Lab /\/| * * Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | * * ISTI - Italian National Research Council | *
* \ * * \ *
* All rights reserved. * * All rights reserved. *
* * * *
* This program is free software; you can redistribute it and/or modify * * This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by * * it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or * * the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. * * (at your option) any later version. *
* * * *
* This program is distributed in the hope that it will be useful, * * This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of * * but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) * * GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. * * for more details. *
* * * *
****************************************************************************/ ****************************************************************************/
/**************************************************************************** /****************************************************************************
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.3 2004/02/23 23:44:21 cignoni
cr lf mismatch
Revision 1.2 2004/02/19 15:40:56 cignoni Revision 1.2 2004/02/19 15:40:56 cignoni
Added doxygen groups Added doxygen groups
Revision 1.1 2004/02/13 02:16:22 cignoni Revision 1.1 2004/02/13 02:16:22 cignoni
First working release. First working release.
****************************************************************************/ ****************************************************************************/
#ifndef __VCGLIB_BOX3 #ifndef __VCGLIB_BOX3
#define __VCGLIB_BOX3 #define __VCGLIB_BOX3
#include <vcg/space/point3.h> #include <vcg/space/point3.h>
namespace vcg { namespace vcg {
/** \addtogroup space */ /** \addtogroup space */
/*@{*/ /*@{*/
/** /**
Templated class for 3D boxes. Templated class for 3D boxes.
This is the class for definition of a axis aligned bounding box in 3D space. It is stored just as two Point3 This is the class for definition of a axis aligned bounding box in 3D space. It is stored just as two Point3
@param BoxScalarType (template parameter) Specifies the type of scalar used to represent coords. @param BoxScalarType (template parameter) Specifies the type of scalar used to represent coords.
*/ */
template <class BoxScalarType> template <class BoxScalarType>
class Box3 class Box3
{ {
public: public:
/// The scalar type /// The scalar type
typedef BoxScalarType ScalarType; typedef BoxScalarType ScalarType;
/// min coordinate point /// min coordinate point
Point3<BoxScalarType> min; Point3<BoxScalarType> min;
/// max coordinate point /// max coordinate point
Point3<BoxScalarType> max; Point3<BoxScalarType> max;
/// The bounding box constructor /// The bounding box constructor
inline Box3() { min.x()= 1;max.x()= -1;min.y()= 1;max.y()= -1;min.z()= 1;max.z()= -1;} inline Box3() { min.X()= 1;max.X()= -1;min.Y()= 1;max.Y()= -1;min.Z()= 1;max.Z()= -1;}
/// Copy constructor /// Copy constructor
inline Box3( const Box3 & b ) { min=b.min; max=b.max; } inline Box3( const Box3 & b ) { min=b.min; max=b.max; }
/// Min Max constructor /// Min Max constructor
inline Box3( const Point3<BoxScalarType> & mi, const Point3<BoxScalarType> & ma ) { min = mi; max = ma; } inline Box3( const Point3<BoxScalarType> & mi, const Point3<BoxScalarType> & ma ) { min = mi; max = ma; }
/// The bounding box distructor /// The bounding box distructor
inline ~Box3() { } inline ~Box3() { }
/// Operator to compare two bounding box /// Operator to compare two bounding box
inline bool operator == ( Box3<BoxScalarType> const & p ) const inline bool operator == ( Box3<BoxScalarType> const & p ) const
{ {
return min==p.min && max==p.max; return min==p.min && max==p.max;
} }
/// Operator to dispare two bounding box /// Operator to dispare two bounding box
inline bool operator != ( Box3<BoxScalarType> const & p ) const inline bool operator != ( Box3<BoxScalarType> const & p ) const
{ {
return min!=p.min || max!=p.max; return min!=p.min || max!=p.max;
} }
/** Varia le dimensioni del bounding box scalandole rispetto al parametro scalare. /** Varia le dimensioni del bounding box scalandole rispetto al parametro scalare.
@param s Valore scalare che indica di quanto deve variare il bounding box @param s Valore scalare che indica di quanto deve variare il bounding box
*/ */
void Inflate( const BoxScalarType s ) void Inflate( const BoxScalarType s )
{ {
Inflate( (max-min)*s ); Inflate( (max-min)*s );
} }
/** Varia le dimensioni del bounding box di (k,k,k) con k = bbox.diag*s /** Varia le dimensioni del bounding box di (k,k,k) con k = bbox.diag*s
*/ */
void InflateFix( const BoxScalarType s ) void InflateFix( const BoxScalarType s )
{ {
BoxScalarType k = Diag()*s; BoxScalarType k = Diag()*s;
Inflate( Point3<BoxScalarType> (k,k,k)); Inflate( Point3<BoxScalarType> (k,k,k));
} }
/** Varia le dimensioni del bounding box del valore fornito attraverso il parametro. /** Varia le dimensioni del bounding box del valore fornito attraverso il parametro.
@param delta Point in 3D space @param delta Point in 3D space
*/ */
void Inflate( const Point3<BoxScalarType> & delta ) void Inflate( const Point3<BoxScalarType> & delta )
{ {
min -= delta; min -= delta;
max += delta; max += delta;
} }
/// Initializing the bounding box /// Initializing the bounding box
void Set( const Point3<BoxScalarType> & p ) void Set( const Point3<BoxScalarType> & p )
{ {
min = max = p; min = max = p;
} }
/// Set the bounding box to a null value /// Set the bounding box to a null value
void SetNull() void SetNull()
{ {
min.x()= 1; max.x()= -1; min.X()= 1; max.X()= -1;
min.y()= 1; max.y()= -1; min.Y()= 1; max.Y()= -1;
min.z()= 1; max.z()= -1; min.Z()= 1; max.Z()= -1;
} }
/** Function to add two bounding box /** Function to add two bounding box
@param b Il bounding box che si vuole aggiungere @param b Il bounding box che si vuole aggiungere
*/ */
void Add( Box3<BoxScalarType> const & b ) void Add( Box3<BoxScalarType> const & b )
{ {
if(IsNull()) *this=b; if(IsNull()) *this=b;
else else
{ {
if(min.x() > b.min.x()) min.x() = b.min.x(); if(min.X() > b.min.X()) min.X() = b.min.X();
if(min.y() > b.min.y()) min.y() = b.min.y(); if(min.Y() > b.min.Y()) min.Y() = b.min.Y();
if(min.z() > b.min.z()) min.z() = b.min.z(); if(min.Z() > b.min.Z()) min.Z() = b.min.Z();
if(max.x() < b.max.x()) max.x() = b.max.x(); if(max.X() < b.max.X()) max.X() = b.max.X();
if(max.y() < b.max.y()) max.y() = b.max.y(); if(max.Y() < b.max.Y()) max.Y() = b.max.Y();
if(max.z() < b.max.z()) max.z() = b.max.z(); if(max.Z() < b.max.Z()) max.Z() = b.max.Z();
} }
} }
/** Funzione per aggiungere un punto al bounding box. Il bounding box viene modificato se il punto /** Funzione per aggiungere un punto al bounding box. Il bounding box viene modificato se il punto
cade fuori da esso. cade fuori da esso.
@param p The point 3D @param p The point 3D
*/ */
void Add( const Point3<BoxScalarType> & p ) void Add( const Point3<BoxScalarType> & p )
{ {
if(IsNull()) Set(p); if(IsNull()) Set(p);
else else
{ {
if(min.x() > p.x()) min.x() = p.x(); if(min.X() > p.X()) min.X() = p.X();
if(min.y() > p.y()) min.y() = p.y(); if(min.Y() > p.Y()) min.Y() = p.Y();
if(min.z() > p.z()) min.z() = p.z(); if(min.Z() > p.Z()) min.Z() = p.Z();
if(max.x() < p.x()) max.x() = p.x(); if(max.X() < p.X()) max.X() = p.X();
if(max.y() < p.y()) max.y() = p.y(); if(max.Y() < p.Y()) max.Y() = p.Y();
if(max.z() < p.z()) max.z() = p.z(); if(max.Z() < p.Z()) max.Z() = p.Z();
} }
} }
// //
//// Aggiunge ad un box un altro box trasformato secondo la matrice m //// Aggiunge ad un box un altro box trasformato secondo la matrice m
//void Add( const Matrix44<BoxScalarType> &m, const Box3<BoxScalarType> & b ) //void Add( const Matrix44<BoxScalarType> &m, const Box3<BoxScalarType> & b )
//{ //{
// const Point3<BoxScalarType> &mn= b.min; // const Point3<BoxScalarType> &mn= b.min;
// const Point3<BoxScalarType> &mx= b.max; // const Point3<BoxScalarType> &mx= b.max;
// Add(m.Apply(Point3<BoxScalarType>(mn[0],mn[1],mn[2]))); // Add(m.Apply(Point3<BoxScalarType>(mn[0],mn[1],mn[2])));
// Add(m.Apply(Point3<BoxScalarType>(mx[0],mn[1],mn[2]))); // Add(m.Apply(Point3<BoxScalarType>(mx[0],mn[1],mn[2])));
// Add(m.Apply(Point3<BoxScalarType>(mn[0],mx[1],mn[2]))); // Add(m.Apply(Point3<BoxScalarType>(mn[0],mx[1],mn[2])));
// Add(m.Apply(Point3<BoxScalarType>(mx[0],mx[1],mn[2]))); // Add(m.Apply(Point3<BoxScalarType>(mx[0],mx[1],mn[2])));
// Add(m.Apply(Point3<BoxScalarType>(mn[0],mn[1],mx[2]))); // Add(m.Apply(Point3<BoxScalarType>(mn[0],mn[1],mx[2])));
// Add(m.Apply(Point3<BoxScalarType>(mx[0],mn[1],mx[2]))); // Add(m.Apply(Point3<BoxScalarType>(mx[0],mn[1],mx[2])));
// Add(m.Apply(Point3<BoxScalarType>(mn[0],mx[1],mx[2]))); // Add(m.Apply(Point3<BoxScalarType>(mn[0],mx[1],mx[2])));
// Add(m.Apply(Point3<BoxScalarType>(mx[0],mx[1],mx[2]))); // Add(m.Apply(Point3<BoxScalarType>(mx[0],mx[1],mx[2])));
//} //}
/** Calcola l'intersezione tra due bounding box. Al bounding box viene assegnato il valore risultante. /** Calcola l'intersezione tra due bounding box. Al bounding box viene assegnato il valore risultante.
@param b Il bounding box con il quale si vuole effettuare l'intersezione @param b Il bounding box con il quale si vuole effettuare l'intersezione
*/ */
void Intersect( const Box3<BoxScalarType> & b ) void Intersect( const Box3<BoxScalarType> & b )
{ {
if(min.x() < b.min.x()) min.x() = b.min.x(); if(min.X() < b.min.X()) min.X() = b.min.X();
if(min.y() < b.min.y()) min.y() = b.min.y(); if(min.Y() < b.min.Y()) min.Y() = b.min.Y();
if(min.z() < b.min.z()) min.z() = b.min.z(); if(min.Z() < b.min.Z()) min.Z() = b.min.Z();
if(max.x() > b.max.x()) max.x() = b.max.x(); if(max.X() > b.max.X()) max.X() = b.max.X();
if(max.y() > b.max.y()) max.y() = b.max.y(); if(max.Y() > b.max.Y()) max.Y() = b.max.Y();
if(max.z() > b.max.z()) max.z() = b.max.z(); if(max.Z() > b.max.Z()) max.Z() = b.max.Z();
if(min.x()>max.x() || min.y()>max.y() || min.z()>max.z()) SetNull(); if(min.X()>max.X() || min.Y()>max.Y() || min.Z()>max.Z()) SetNull();
} }
/** Trasla il bounding box di un valore definito dal parametro. /** Trasla il bounding box di un valore definito dal parametro.
@param p Il bounding box trasla sulla x e sulla y in base alle coordinate del parametro @param p Il bounding box trasla sulla x e sulla y in base alle coordinate del parametro
*/ */
void Translate( const Point3<BoxScalarType> & p ) void Translate( const Point3<BoxScalarType> & p )
{ {
min += p; min += p;
max += p; max += p;
} }
/** Verifica se un punto appartiene ad un bounding box. /** Verifica se un punto appartiene ad un bounding box.
@param p The point 3D @param p The point 3D
@return True se p appartiene al bounding box, false altrimenti @return True se p appartiene al bounding box, false altrimenti
*/ */
bool IsIn( Point3<BoxScalarType> const & p ) const bool IsIn( Point3<BoxScalarType> const & p ) const
{ {
return ( return (
min.x() <= p.x() && p.x() <= max.x() && min.X() <= p.X() && p.X() <= max.X() &&
min.y() <= p.y() && p.y() <= max.y() && min.Y() <= p.Y() && p.Y() <= max.Y() &&
min.z() <= p.z() && p.z() <= max.z() min.Z() <= p.Z() && p.Z() <= max.Z()
); );
} }
/** Verifica se un punto appartiene ad un bounding box aperto sul max. /** Verifica se un punto appartiene ad un bounding box aperto sul max.
@param p The point 3D @param p The point 3D
@return True se p appartiene al bounding box, false altrimenti @return True se p appartiene al bounding box, false altrimenti
*/ */
bool IsInEx( Point3<BoxScalarType> const & p ) const bool IsInEx( Point3<BoxScalarType> const & p ) const
{ {
return ( return (
min.x() <= p.x() && p.x() < max.x() && min.X() <= p.X() && p.X() < max.X() &&
min.y() <= p.y() && p.y() < max.y() && min.Y() <= p.Y() && p.Y() < max.Y() &&
min.z() <= p.z() && p.z() < max.z() min.Z() <= p.Z() && p.Z() < max.Z()
); );
} }
/** Verifica se due bounding box collidono cioe' se hanno una intersezione non vuota. Per esempio /** Verifica se due bounding box collidono cioe' se hanno una intersezione non vuota. Per esempio
due bounding box adiacenti non collidono. due bounding box adiacenti non collidono.
@param b A bounding box @param b A bounding box
@return True se collidoo, false altrimenti @return True se collidoo, false altrimenti
*/ */
/* old version /* old version
bool Collide(Box3<BoxScalarType> const &b) bool Collide(Box3<BoxScalarType> const &b)
{ {
Box3<BoxScalarType> bb=*this; Box3<BoxScalarType> bb=*this;
bb.Intersect(b); bb.Intersect(b);
return bb.IsValid(); return bb.IsValid();
} }
*/ */
bool Collide(Box3<BoxScalarType> const &b) bool Collide(Box3<BoxScalarType> const &b)
{ {
return b.min.x()<max.x() && b.max.x()>min.x() && return b.min.X()<max.X() && b.max.X()>min.X() &&
b.min.y()<max.y() && b.max.y()>min.y() && b.min.Y()<max.Y() && b.max.Y()>min.Y() &&
b.min.z()<max.z() && b.max.z()>min.z() ; b.min.Z()<max.Z() && b.max.Z()>min.Z() ;
} }
/** Controlla se il bounding box e' nullo. /** Controlla se il bounding box e' nullo.
@return True se il bounding box e' nullo, false altrimenti @return True se il bounding box e' nullo, false altrimenti
*/ */
bool IsNull() const { return min.x()>max.x() || min.y()>max.y() || min.z()>max.z(); } bool IsNull() const { return min.X()>max.X() || min.Y()>max.Y() || min.Z()>max.Z(); }
/** Controlla se il bounding box e' vuoto. /** Controlla se il bounding box e' vuoto.
@return True se il bounding box e' vuoto, false altrimenti @return True se il bounding box e' vuoto, false altrimenti
*/ */
bool IsEmpty() const { return min==max; } bool IsEmpty() const { return min==max; }
/// Restituisce la lunghezza della diagonale del bounding box. /// Restituisce la lunghezza della diagonale del bounding box.
BoxScalarType Diag() const BoxScalarType Diag() const
{ {
return Distance(min,max); return Distance(min,max);
} }
/// Calcola il quadrato della diagonale del bounding box. /// Calcola il quadrato della diagonale del bounding box.
BoxScalarType SquaredDiag() const BoxScalarType SquaredDiag() const
{ {
return SquaredDistance(min,max); return SquaredDistance(min,max);
} }
/// Calcola il centro del bounding box. /// Calcola il centro del bounding box.
Point3<BoxScalarType> Center() const Point3<BoxScalarType> Center() const
{ {
return (min+max)/2; return (min+max)/2;
} }
/// Compute bounding box size. /// Compute bounding box size.
Point3<BoxScalarType> Dim() const Point3<BoxScalarType> Dim() const
{ {
return (max-min); return (max-min);
} }
/// Returns global coords of a local point expressed in [0..1]^3 /// Returns global coords of a local point expressed in [0..1]^3
Point3<BoxScalarType> LocalToGlobal(Point3<BoxScalarType> const & p) const{ Point3<BoxScalarType> LocalToGlobal(Point3<BoxScalarType> const & p) const{
return Point3<BoxScalarType>( return Point3<BoxScalarType>(
min[0] + p[0]*(max[0]-min[0]), min[0] + p[0]*(max[0]-min[0]),
min[1] + p[1]*(max[1]-min[1]), min[1] + p[1]*(max[1]-min[1]),
min[2] + p[2]*(max[2]-min[2])); min[2] + p[2]*(max[2]-min[2]));
} }
/// Returns local coords expressed in [0..1]^3 of a point in 3D /// Returns local coords expressed in [0..1]^3 of a point in 3D
Point3<BoxScalarType> GlobalToLocal(Point3<BoxScalarType> const & p) const{ Point3<BoxScalarType> GlobalToLocal(Point3<BoxScalarType> const & p) const{
return Point3<BoxScalarType>( return Point3<BoxScalarType>(
(p[0]-min[0])/(max[0]-min[0]), (p[0]-min[0])/(max[0]-min[0]),
(p[1]-min[1])/(max[1]-min[1]), (p[1]-min[1])/(max[1]-min[1]),
(p[2]-min[2])/(max[2]-min[2]) (p[2]-min[2])/(max[2]-min[2])
); );
} }
/// Calcola il volume del bounding box. /// Calcola il volume del bounding box.
BoxScalarType Volume() const BoxScalarType Volume() const
{ {
return (max.x()-min.x())*(max.y()-min.y())*(max.z()-min.z()); return (max.X()-min.X())*(max.Y()-min.Y())*(max.Z()-min.Z());
} }
/// Calcola la dimensione del bounding box sulla x. /// Calcola la dimensione del bounding box sulla x.
inline BoxScalarType DimX() const { return max.x()-min.x();} inline BoxScalarType DimX() const { return max.X()-min.X();}
/// Calcola la dimensione del bounding box sulla y. /// Calcola la dimensione del bounding box sulla y.
inline BoxScalarType DimY() const { return max.y()-min.y();} inline BoxScalarType DimY() const { return max.Y()-min.Y();}
/// Calcola la dimensione del bounding box sulla z. /// Calcola la dimensione del bounding box sulla z.
inline BoxScalarType DimZ() const { return max.z()-min.z();} inline BoxScalarType DimZ() const { return max.Z()-min.Z();}
template <class Q> template <class Q>
inline void Import( const Box3<Q> & b ) inline void Import( const Box3<Q> & b )
{ {
min.Import(b.min); min.Import(b.min);
max.Import(b.max); max.Import(b.max);
} }
template <class Q> template <class Q>
inline Box3 Construct( const Box3<Q> & b ) inline Box3 Construct( const Box3<Q> & b )
{ {
return Box3(Point3<ScalarType>::Construct(b.min),Point3<ScalarType>::Construct(b.max)); return Box3(Point3<ScalarType>::Construct(b.min),Point3<ScalarType>::Construct(b.max));
} }
}; // end class definition }; // end class definition
typedef Box3<short> Box3s; typedef Box3<short> Box3s;
typedef Box3<int> Box3i; typedef Box3<int> Box3i;
typedef Box3<float> Box3f; typedef Box3<float> Box3f;
typedef Box3<double> Box3d; typedef Box3<double> Box3d;
/*@}*/ /*@}*/
} // end namespace } // end namespace
#endif #endif