279 lines
7.5 KiB
C++
279 lines
7.5 KiB
C++
/*
|
|
* This program source code file is part of KiCad, a free EDA CAD application.
|
|
*
|
|
* Copyright (C) 2015 Mario Luzeiro <mrluzeiro@gmail.com>
|
|
* Copyright (C) 1992-2015 KiCad Developers, see AUTHORS.txt for contributors.
|
|
*
|
|
* 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 the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, you may find one here:
|
|
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
|
|
* or you may search the http://www.gnu.org website for the version 2 license,
|
|
* or you may write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
/**
|
|
* @file CBBox.cpp
|
|
* @brief Bounding Box class implementation
|
|
*/
|
|
|
|
#include "CBBox.h"
|
|
|
|
|
|
// openGL includes used for debug the bounding box
|
|
#ifdef __WXMAC__
|
|
# ifdef __DARWIN__
|
|
# include <OpenGL/glu.h>
|
|
# else
|
|
# include <glu.h>
|
|
# endif
|
|
#else
|
|
# include <GL/glu.h>
|
|
#endif
|
|
|
|
CBBOX::CBBOX()
|
|
{
|
|
Reset();
|
|
}
|
|
|
|
CBBOX::CBBOX( const S3D_VERTEX &aPbInit )
|
|
{
|
|
m_min = aPbInit;
|
|
m_max = aPbInit;
|
|
|
|
m_initialized = true;
|
|
}
|
|
|
|
CBBOX::CBBOX( const S3D_VERTEX &aPbMin, const S3D_VERTEX &aPbMax )
|
|
{
|
|
Set( aPbMin, aPbMax );
|
|
}
|
|
|
|
CBBOX::~CBBOX()
|
|
{
|
|
}
|
|
|
|
void CBBOX::Set( const S3D_VERTEX &aPbMin, const S3D_VERTEX &aPbMax )
|
|
{
|
|
m_min.x = glm::min( aPbMin.x, aPbMax.x );
|
|
m_min.y = glm::min( aPbMin.y, aPbMax.y );
|
|
m_min.z = glm::min( aPbMin.z, aPbMax.z );
|
|
|
|
m_max.x = glm::max( aPbMin.x, aPbMax.x );
|
|
m_max.y = glm::max( aPbMin.y, aPbMax.y );
|
|
m_max.z = glm::max( aPbMin.z, aPbMax.z );
|
|
|
|
m_initialized = true;
|
|
}
|
|
|
|
bool CBBOX::IsInitialized() const
|
|
{
|
|
return m_initialized;
|
|
}
|
|
|
|
void CBBOX::Reset()
|
|
{
|
|
m_min = S3D_VERTEX( 0.0f, 0.0f, 0.0f );
|
|
m_max = S3D_VERTEX( 0.0f, 0.0f, 0.0f );
|
|
|
|
m_initialized = false;
|
|
}
|
|
|
|
void CBBOX::Union( const S3D_VERTEX &aPoint )
|
|
{
|
|
if( !m_initialized )
|
|
{
|
|
m_initialized = true;
|
|
// Initialize the bounding box with the given point
|
|
m_min = aPoint;
|
|
m_max = aPoint;
|
|
}
|
|
else
|
|
{
|
|
// get the minimun value between the added point and the existent bounding box
|
|
m_min.x = glm::min( m_min.x, aPoint.x );
|
|
m_min.y = glm::min( m_min.y, aPoint.y );
|
|
m_min.z = glm::min( m_min.z, aPoint.z );
|
|
|
|
// get the maximun value between the added point and the existent bounding box
|
|
m_max.x = glm::max( m_max.x, aPoint.x );
|
|
m_max.y = glm::max( m_max.y, aPoint.y );
|
|
m_max.z = glm::max( m_max.z, aPoint.z );
|
|
}
|
|
}
|
|
|
|
|
|
void CBBOX::Union( const CBBOX &aBBox )
|
|
{
|
|
if( aBBox.m_initialized == false )
|
|
return;
|
|
|
|
if( !m_initialized )
|
|
{
|
|
// Initialize the bounding box with the given bounding box
|
|
m_initialized = true;
|
|
m_min = aBBox.m_min;
|
|
m_max = aBBox.m_max;
|
|
}
|
|
else
|
|
{
|
|
// get the minimun value between the added bounding box and the existent bounding box
|
|
m_min.x = glm::min( m_min.x, aBBox.m_min.x );
|
|
m_min.y = glm::min( m_min.y, aBBox.m_min.y );
|
|
m_min.z = glm::min( m_min.z, aBBox.m_min.z );
|
|
|
|
// get the maximun value between the added bounding box and the existent bounding box
|
|
m_max.x = glm::max( m_max.x, aBBox.m_max.x );
|
|
m_max.y = glm::max( m_max.y, aBBox.m_max.y );
|
|
m_max.z = glm::max( m_max.z, aBBox.m_max.z );
|
|
}
|
|
}
|
|
|
|
|
|
S3D_VERTEX CBBOX::GetCenter() const
|
|
{
|
|
return (m_max + m_min) * 0.5f;
|
|
}
|
|
|
|
S3D_VERTEX CBBOX::Min() const
|
|
{
|
|
return m_min;
|
|
}
|
|
|
|
S3D_VERTEX CBBOX::Max() const
|
|
{
|
|
return m_max;
|
|
}
|
|
|
|
void CBBOX::Scale( float aScale )
|
|
{
|
|
if( m_initialized == false )
|
|
return;
|
|
|
|
S3D_VERTEX scaleV = S3D_VERTEX( aScale, aScale, aScale );
|
|
S3D_VERTEX centerV = GetCenter();
|
|
|
|
m_min = (m_min - centerV) * scaleV + centerV;
|
|
m_max = (m_max - centerV) * scaleV + centerV;
|
|
}
|
|
|
|
|
|
bool CBBOX::OverlapsBox( const CBBOX &aBBox ) const
|
|
{
|
|
if( aBBox.m_initialized == false )
|
|
return false;
|
|
|
|
bool x = ( m_max.x >= aBBox.m_min.x ) && ( m_min.x <= aBBox.m_max.x );
|
|
bool y = ( m_max.y >= aBBox.m_min.y ) && ( m_min.y <= aBBox.m_max.y );
|
|
bool z = ( m_max.z >= aBBox.m_min.z ) && ( m_min.z <= aBBox.m_max.z );
|
|
|
|
return ( x && y && z );
|
|
}
|
|
|
|
|
|
bool CBBOX::Inside( const S3D_VERTEX &aPoint ) const
|
|
{
|
|
if( m_initialized == false )
|
|
return false;
|
|
|
|
return (( aPoint.x >= m_min.x ) && ( aPoint.x <= m_max.x ) &&
|
|
( aPoint.y >= m_min.y ) && ( aPoint.y <= m_max.y ) &&
|
|
( aPoint.z >= m_min.z ) && ( aPoint.z <= m_max.z ));
|
|
}
|
|
|
|
|
|
float CBBOX::Volume() const
|
|
{
|
|
if( m_initialized == false )
|
|
return 0.0f;
|
|
|
|
S3D_VERTEX d = m_max - m_min;
|
|
return d.x * d.y * d.z;
|
|
}
|
|
|
|
|
|
void CBBOX::ApplyTransformation( glm::mat4 aTransformMatrix )
|
|
{
|
|
if( m_initialized == false )
|
|
return;
|
|
|
|
S3D_VERTEX v1 = S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_min.y, m_min.z, 1.0f ) );
|
|
S3D_VERTEX v2 = S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_max.y, m_max.z, 1.0f ) );
|
|
|
|
Reset();
|
|
Union( v1 );
|
|
Union( v2 );
|
|
}
|
|
|
|
|
|
void CBBOX::ApplyTransformationAA( glm::mat4 aTransformMatrix )
|
|
{
|
|
if( m_initialized == false )
|
|
return;
|
|
|
|
// apply the transformation matrix for each of vertices of the bounding box
|
|
// and make a union with all vertices
|
|
CBBOX tmpBBox = CBBOX( S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_min.y, m_min.z, 1.0f ) ) );
|
|
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_min.y, m_min.z, 1.0f ) ) );
|
|
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_max.y, m_min.z, 1.0f ) ) );
|
|
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_min.y, m_max.z, 1.0f ) ) );
|
|
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_min.x, m_max.y, m_max.z, 1.0f ) ) );
|
|
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_max.y, m_min.z, 1.0f ) ) );
|
|
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_min.y, m_max.z, 1.0f ) ) );
|
|
tmpBBox.Union( S3D_VERTEX( aTransformMatrix * glm::vec4( m_max.x, m_max.y, m_max.z, 1.0f ) ) );
|
|
|
|
m_min = tmpBBox.m_min;
|
|
m_max = tmpBBox.m_max;
|
|
}
|
|
|
|
|
|
void CBBOX::GLdebug() const
|
|
{
|
|
if( m_initialized == false )
|
|
return;
|
|
|
|
glBegin( GL_LINE_LOOP );
|
|
glVertex3f( m_min.x, m_min.y, m_min.z );
|
|
glVertex3f( m_max.x, m_min.y, m_min.z );
|
|
glVertex3f( m_max.x, m_max.y, m_min.z );
|
|
glVertex3f( m_min.x, m_max.y, m_min.z );
|
|
glEnd();
|
|
|
|
glBegin( GL_LINE_LOOP );
|
|
glVertex3f( m_min.x, m_min.y, m_max.z );
|
|
glVertex3f( m_max.x, m_min.y, m_max.z );
|
|
glVertex3f( m_max.x, m_max.y, m_max.z );
|
|
glVertex3f( m_min.x, m_max.y, m_max.z );
|
|
glEnd();
|
|
|
|
glBegin( GL_LINE_STRIP );
|
|
glVertex3f( m_min.x, m_min.y, m_min.z );
|
|
glVertex3f( m_min.x, m_min.y, m_max.z );
|
|
glEnd();
|
|
|
|
glBegin( GL_LINE_STRIP );
|
|
glVertex3f( m_max.x, m_min.y, m_min.z );
|
|
glVertex3f( m_max.x, m_min.y, m_max.z );
|
|
glEnd();
|
|
|
|
glBegin( GL_LINE_STRIP );
|
|
glVertex3f( m_max.x, m_max.y, m_min.z );
|
|
glVertex3f( m_max.x, m_max.y, m_max.z );
|
|
glEnd();
|
|
|
|
glBegin( GL_LINE_STRIP );
|
|
glVertex3f( m_min.x, m_max.y, m_min.z );
|
|
glVertex3f( m_min.x, m_max.y, m_max.z );
|
|
glEnd();
|
|
}
|