You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
412 lines
12 KiB
412 lines
12 KiB
/*
|
|
**************************************************************************
|
|
pmsphere.cpp - description
|
|
-------------------
|
|
copyright : (C) 2001 by Philippe Van Hecke
|
|
email : lephiloux@tiscalinet.be
|
|
copyright : (C) 2001-2002 by Andreas Zehender
|
|
email : zehender@kde.org
|
|
**************************************************************************
|
|
|
|
**************************************************************************
|
|
* *
|
|
* 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. *
|
|
* *
|
|
**************************************************************************/
|
|
|
|
#include "pmsphere.h"
|
|
|
|
#include "pmxmlhelper.h"
|
|
#include "pmsphereedit.h"
|
|
#include "pmmemento.h"
|
|
#include "pm3dcontrolpoint.h"
|
|
#include "pmdistancecontrolpoint.h"
|
|
#include "pmdefaults.h"
|
|
|
|
#include <klocale.h>
|
|
|
|
/** default param for the sphere */
|
|
const double c_defaultRadius = 0.5;
|
|
const PMVector c_defaultCentre = PMVector( 0, 0, 0 );
|
|
|
|
/** default sphere structure */
|
|
PMViewStructure* PMSphere::s_pDefaultViewStructure = 0;
|
|
|
|
int PMSphere::s_vStep = c_defaultSphereVSteps;
|
|
int PMSphere::s_uStep = c_defaultSphereUSteps;
|
|
int PMSphere::s_parameterKey = 0;
|
|
|
|
PMDefinePropertyClass( PMSphere, PMSphereProperty );
|
|
|
|
PMMetaObject* PMSphere::s_pMetaObject = 0;
|
|
PMObject* createNewSphere( PMPart* part )
|
|
{
|
|
return new PMSphere( part );
|
|
}
|
|
|
|
PMSphere::PMSphere( PMPart* part )
|
|
: Base( part )
|
|
{
|
|
m_radius = c_defaultRadius;
|
|
m_centre = c_defaultCentre;
|
|
}
|
|
|
|
PMSphere::PMSphere( const PMSphere& s )
|
|
: Base( s )
|
|
{
|
|
m_radius = s.m_radius;
|
|
m_centre = s.m_centre;
|
|
}
|
|
|
|
PMSphere::~PMSphere( )
|
|
{
|
|
}
|
|
|
|
|
|
TQString PMSphere::description( ) const
|
|
{
|
|
return i18n( "sphere" );
|
|
}
|
|
|
|
PMMetaObject* PMSphere::metaObject( ) const
|
|
{
|
|
if( !s_pMetaObject )
|
|
{
|
|
s_pMetaObject = new PMMetaObject( "Sphere", Base::metaObject( ),
|
|
createNewSphere );
|
|
s_pMetaObject->addProperty(
|
|
new PMSphereProperty( "radius", &PMSphere::setRadius, &PMSphere::radius ) );
|
|
s_pMetaObject->addProperty(
|
|
new PMSphereProperty( "center", &PMSphere::setCentre, &PMSphere::centre ) );
|
|
}
|
|
return s_pMetaObject;
|
|
}
|
|
|
|
void PMSphere::serialize( TQDomElement& e, TQDomDocument& doc ) const
|
|
{
|
|
e.setAttribute( "centre", m_centre.serializeXML( ) );
|
|
e.setAttribute( "radius", m_radius );
|
|
Base::serialize( e, doc );
|
|
}
|
|
|
|
void PMSphere::readAttributes( const PMXMLHelper& h )
|
|
{
|
|
m_centre = h.vectorAttribute( "centre", c_defaultCentre );
|
|
m_radius = h.doubleAttribute( "radius", c_defaultRadius );
|
|
Base::readAttributes( h );
|
|
}
|
|
|
|
PMDialogEditBase* PMSphere::editWidget( TQWidget* parent ) const
|
|
{
|
|
|
|
return new PMSphereEdit( parent );
|
|
}
|
|
|
|
void PMSphere::restoreMemento( PMMemento* s )
|
|
{
|
|
PMMementoDataIterator it( s );
|
|
PMMementoData* data;
|
|
|
|
for( ; it.current( ); ++it )
|
|
{
|
|
data = it.current( );
|
|
if( data->objectType( ) == s_pMetaObject )
|
|
{
|
|
switch( data->valueID( ) )
|
|
{
|
|
case PMRadiusID:
|
|
setRadius( data->doubleData( ) );
|
|
break;
|
|
case PMCentreID:
|
|
setCentre( data->vectorData( ) );
|
|
break;
|
|
default:
|
|
kdError( PMArea ) << "Wrong ID in PSphere::restoreMemento\n";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
Base::restoreMemento( s );
|
|
|
|
}
|
|
|
|
void PMSphere::controlPoints( PMControlPointList& list )
|
|
{
|
|
PM3DControlPoint* p = new PM3DControlPoint( m_centre, PMCentreID,
|
|
i18n( "Center" ) );
|
|
list.append( p );
|
|
list.append( new PMDistanceControlPoint( p, PMVector( 1.0, 0.0, 0.0 ),
|
|
m_radius, PMRadiusID,
|
|
i18n( "Radius (x)" ) ) );
|
|
list.append( new PMDistanceControlPoint( p, PMVector( 0.0, 1.0, 0.0 ),
|
|
m_radius, PMRadiusID,
|
|
i18n( "Radius (y)" ) ) );
|
|
list.append( new PMDistanceControlPoint( p, PMVector( 0.0, 0.0, 1.0 ),
|
|
m_radius, PMRadiusID,
|
|
i18n( "Radius (z)" ) ) );
|
|
}
|
|
|
|
void PMSphere::controlPointsChanged( PMControlPointList& list )
|
|
{
|
|
PMControlPoint* p;
|
|
bool radiusChanged = false;
|
|
|
|
for( p = list.first( ); p; p = list.next( ) )
|
|
{
|
|
if( p->changed( ) )
|
|
{
|
|
switch( p->id( ) )
|
|
{
|
|
case PMCentreID:
|
|
setCentre( ( ( PM3DControlPoint* ) p )->point( ) );
|
|
break;
|
|
case PMRadiusID:
|
|
setRadius( ( ( PMDistanceControlPoint* ) p )->distance( ) );
|
|
radiusChanged = true;
|
|
break;
|
|
default:
|
|
kdError( PMArea ) << "Wrong ID in PMSphere::controlPointsChanged\n";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if( radiusChanged )
|
|
for( p = list.first( ); p; p = list.next( ) )
|
|
if( p->id( ) == PMRadiusID )
|
|
( ( PMDistanceControlPoint* ) p )->setDistance( m_radius );
|
|
}
|
|
|
|
bool PMSphere::isDefault( )
|
|
{
|
|
if( ( m_radius == c_defaultRadius ) && ( m_centre == c_defaultCentre ) && globalDetail( ) )
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
void PMSphere::createViewStructure( )
|
|
{
|
|
if( !m_pViewStructure )
|
|
{
|
|
m_pViewStructure = new PMViewStructure( defaultViewStructure( ) );
|
|
m_pViewStructure->points( ).detach( );
|
|
}
|
|
|
|
int uStep = (int)( ( (float)s_uStep / 2 ) * ( displayDetail( ) + 1 ) );
|
|
int vStep = (int)( ( (float)s_vStep / 2 ) * ( displayDetail( ) + 1 ) );
|
|
unsigned ptsSize = vStep * ( uStep - 1 ) + 2;
|
|
unsigned lineSize = vStep * ( uStep - 1 ) * 2 + vStep;
|
|
unsigned faceSize = vStep * uStep;
|
|
|
|
if( ptsSize != m_pViewStructure->points( ).size( ) )
|
|
m_pViewStructure->points( ).resize( ptsSize );
|
|
|
|
createPoints( m_pViewStructure->points( ), m_centre, m_radius, uStep, vStep );
|
|
|
|
if( lineSize != m_pViewStructure->lines( ).size( ) )
|
|
{
|
|
m_pViewStructure->lines( ).detach( );
|
|
m_pViewStructure->lines( ).resize( lineSize );
|
|
createLines( m_pViewStructure->lines( ), uStep, vStep );
|
|
}
|
|
|
|
if( faceSize != m_pViewStructure->faces( ).size( ) )
|
|
{
|
|
m_pViewStructure->faces( ).resize( faceSize );
|
|
createFaces( m_pViewStructure->faces( ), uStep, vStep );
|
|
}
|
|
}
|
|
|
|
PMViewStructure* PMSphere::defaultViewStructure( ) const
|
|
{
|
|
if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) )
|
|
{
|
|
delete s_pDefaultViewStructure;
|
|
s_pDefaultViewStructure = 0;
|
|
int uStep = (int)( ( (float)s_uStep / 2 ) * ( globalDetailLevel( ) + 1 ) );
|
|
int vStep = (int)( ( (float)s_vStep / 2 ) * ( globalDetailLevel( ) + 1 ) );
|
|
|
|
s_pDefaultViewStructure =
|
|
new PMViewStructure( vStep * ( uStep - 1 ) + 2,
|
|
vStep * ( uStep - 1 ) * 2 + vStep,
|
|
vStep * uStep );
|
|
|
|
// points
|
|
createPoints( s_pDefaultViewStructure->points( ), c_defaultCentre,
|
|
c_defaultRadius, uStep, vStep );
|
|
//lines
|
|
createLines( s_pDefaultViewStructure->lines( ), uStep, vStep );
|
|
|
|
//faces
|
|
createFaces( s_pDefaultViewStructure->faces( ), uStep, vStep );
|
|
}
|
|
|
|
return s_pDefaultViewStructure;
|
|
}
|
|
|
|
void PMSphere::createFaces( PMFaceArray& faces, int uStep, int vStep )
|
|
{
|
|
int u, v, offsetPt1, offsetPt2, offsetFace;
|
|
|
|
offsetPt1 = vStep * ( uStep - 1 ) + 1;
|
|
offsetPt2 = vStep * ( uStep - 2 ) + 1;
|
|
offsetFace = vStep * ( uStep - 1 );
|
|
for( v = 0; v < vStep - 1; ++v )
|
|
{
|
|
faces[v] = PMFace( 0, v + 2, v + 1 );
|
|
faces[ offsetFace + v ] = PMFace( offsetPt1, v + offsetPt2, v + offsetPt2 + 1 );
|
|
}
|
|
|
|
faces[ vStep - 1 ] = PMFace( 0, 1, vStep );
|
|
faces[ offsetFace + vStep - 1 ] = PMFace( offsetPt1, vStep + offsetPt2 - 1, offsetPt2 );
|
|
|
|
offsetFace = vStep;
|
|
for( u = 0; u < ( uStep - 2 ); ++u )
|
|
{
|
|
offsetPt1 = ( u * vStep ) + 1;
|
|
offsetPt2 = ( ( u + 1 ) * vStep ) + 1;
|
|
for( v = 0; v < ( vStep - 1 ); ++v )
|
|
faces[ offsetFace + v ] = PMFace( v + offsetPt1, v + offsetPt1 + 1, v + offsetPt2 + 1, v + offsetPt2 );
|
|
faces[ offsetFace + vStep - 1 ] = PMFace( offsetPt1 + vStep - 1, offsetPt1, offsetPt2, offsetPt2 + vStep - 1 );
|
|
offsetFace += vStep;
|
|
}
|
|
}
|
|
|
|
void PMSphere::createLines( PMLineArray& lines, int uStep, int vStep )
|
|
{
|
|
int u, v;
|
|
int offset = 0;
|
|
|
|
// horizontal lines
|
|
for( u = 0; u < ( uStep - 1 ); u++ )
|
|
{
|
|
for( v = 0; v < ( vStep - 1 ); v++ )
|
|
lines[offset + v] =
|
|
PMLine( u * vStep + v + 1, u * vStep + v + 2 );
|
|
lines[offset + vStep - 1] =
|
|
PMLine( u * vStep + 1, u * vStep + vStep );
|
|
|
|
offset += vStep;
|
|
}
|
|
|
|
// vertical lines
|
|
// lines at the "north pole"
|
|
for( v = 0; v < vStep; v++ )
|
|
lines[offset + v] = PMLine( 0, v + 1 );
|
|
offset += vStep;
|
|
|
|
for( v = 0; v < vStep; v++ )
|
|
{
|
|
for( u = 0; u < ( uStep - 2 ); u++ )
|
|
{
|
|
lines[offset + u] =
|
|
PMLine( u * vStep + v + 1, ( u + 1 ) * vStep + v + 1 );
|
|
}
|
|
offset += ( uStep - 2 );
|
|
}
|
|
// lines at the "south pole"
|
|
for( v = 0; v < vStep; v++ )
|
|
lines[offset + v] = PMLine( ( uStep - 2 ) * vStep + v + 1,
|
|
( uStep - 1 ) * vStep + 1 );
|
|
// offset += s_vStep;
|
|
}
|
|
|
|
void PMSphere::createPoints( PMPointArray& points, const PMVector& centre, double radius,
|
|
int uStep, int vStep )
|
|
{
|
|
double l_UradStep = M_PI / uStep;
|
|
double l_VradStep = ( 2.0 * M_PI ) / vStep;
|
|
double l_u = l_UradStep;
|
|
int u, v;
|
|
|
|
points[0] = PMPoint( centre + PMVector( 0, radius, 0 ) );
|
|
points[ vStep * ( uStep - 1 ) + 1] = PMPoint( centre - PMVector( 0, radius, 0 ) );
|
|
|
|
for( u = 0; u < ( uStep - 1 ); u++ )
|
|
{
|
|
double l_v = 0.0;
|
|
double l_rcosu = radius * sin( l_u );
|
|
double y = ( radius * cos( l_u ) ) + centre[1];
|
|
for( v = 0; v < vStep ; v++ )
|
|
{
|
|
|
|
double x = ( l_rcosu * cos( l_v ) ) + centre[0];
|
|
double z = ( l_rcosu * sin( l_v ) ) + centre[2];
|
|
|
|
points[u * vStep + v + 1] = PMPoint( x, y, z );
|
|
l_v = l_v + l_VradStep;
|
|
}
|
|
l_u = l_u + l_UradStep;
|
|
}
|
|
}
|
|
|
|
void PMSphere::setRadius( double radius )
|
|
{
|
|
if( m_radius != radius )
|
|
{
|
|
if( m_pMemento )
|
|
m_pMemento->addData( s_pMetaObject, PMRadiusID, m_radius );
|
|
m_radius = radius;
|
|
setViewStructureChanged( );
|
|
}
|
|
}
|
|
|
|
void PMSphere::setCentre( const PMVector& centre )
|
|
{
|
|
if( m_centre != centre )
|
|
{
|
|
if( m_pMemento )
|
|
m_pMemento->addData( s_pMetaObject, PMCentreID, m_centre );
|
|
m_centre = centre;
|
|
setViewStructureChanged( );
|
|
}
|
|
}
|
|
|
|
void PMSphere::setUSteps( int u )
|
|
{
|
|
if( u >= 2 )
|
|
{
|
|
s_uStep = u;
|
|
if( s_pDefaultViewStructure )
|
|
{
|
|
delete s_pDefaultViewStructure;
|
|
s_pDefaultViewStructure = 0;
|
|
}
|
|
}
|
|
else
|
|
kdDebug( PMArea ) << "PMSPhere::setUSteps: U must be greater than 1\n";
|
|
s_parameterKey++;
|
|
}
|
|
|
|
void PMSphere::setVSteps( int v )
|
|
{
|
|
if( v >= 4 )
|
|
{
|
|
s_vStep = v;
|
|
if( s_pDefaultViewStructure )
|
|
{
|
|
delete s_pDefaultViewStructure;
|
|
s_pDefaultViewStructure = 0;
|
|
}
|
|
}
|
|
else
|
|
kdDebug( PMArea ) << "PMSphere::setVSteps: V must be greater than 3\n";
|
|
s_parameterKey++;
|
|
}
|
|
|
|
void PMSphere::cleanUp( ) const
|
|
{
|
|
if( s_pDefaultViewStructure )
|
|
delete s_pDefaultViewStructure;
|
|
s_pDefaultViewStructure = 0;
|
|
if( s_pMetaObject )
|
|
{
|
|
delete s_pMetaObject;
|
|
s_pMetaObject = 0;
|
|
}
|
|
Base::cleanUp( );
|
|
}
|