void PMDistanceControlPoint::snapToGrid( )
{
double d = moveGrid( );
if( !approxZero( d ) )
m_distance = rint( m_distance / d ) * d;
setChanged( );
}
void PMCone::createPoints( PMPointArray& points, const PMVector& end1,
const PMVector& end2, double radius1, double radius2, int steps )
{
double angle = ( 2.0 * M_PI ) / (double) steps;
PMVector pointAt = end2 - end1;
double pl = pointAt.abs( );
if( approxZero( pl ) )
pointAt = PMVector( 0.0, 1.0, 0.0 );
else
pointAt /= pl;
PMMatrix rotation = PMMatrix::rotation( pointAt, angle );
PMVector endPoint1 = pointAt.orthogonal( );
endPoint1 *= radius1;
PMVector endPoint2 = pointAt.orthogonal( );
endPoint2 *= radius2;
int i;
for( i = 0; i < steps; i++ )
{
points[i] = PMPoint( endPoint1 + end1 );
points[i + steps] = PMPoint( endPoint2 + end2 );
endPoint1 = rotation * endPoint1;
endPoint2 = rotation * endPoint2;
}
}
void PMDistanceControlPoint::graphicalChange( const PMVector& startPoint,
const PMVector& /*viewNormal*/,
const PMVector& endPoint )
{
if( !approxZero( m_directionLength ) )
m_distance = m_originalDistance +
PMVector::dot( endPoint - startPoint, m_direction )
/ ( m_directionLength * m_directionLength );
}
void PMCone::controlPoints( PMControlPointList & list )
{
PMVector center, angle1, angle2;
center = m_end1 - m_end2;
double pl = center.abs( );
if( approxZero( pl ) )
center = PMVector( 0.0, 1.0, 0.0 );
else
center /= pl;
angle1 = center.orthogonal( );
angle2 = PMVector::cross( center, angle1 );
PM3DControlPoint* pb1 = new PM3DControlPoint( m_end1, PMEnd1ID, i18n( "End 1" ) );
list.append( pb1 );
PM3DControlPoint* pb2 = new PM3DControlPoint( m_end2, PMEnd2ID, i18n( "End 2" ) );
list.append( pb2 );
list.append( new PMDistanceControlPoint( pb1, angle1, m_radius1, PMRadius1ID, i18n( "Radius 1 (1)" ) ) );
list.append( new PMDistanceControlPoint( pb1, angle2, m_radius1, PMRadius1ID, i18n( "Radius 1 (2)" ) ) );
list.append( new PMDistanceControlPoint( pb2, angle1, m_radius2, PMRadius2ID, i18n( "Radius 2 (1)" ) ) );
list.append( new PMDistanceControlPoint( pb2, angle2, m_radius2, PMRadius2ID, i18n( "Radius 2 (2)" ) ) );
}
void PMCone::controlPointsChanged( PMControlPointList & list )
{
PMControlPoint* p;
bool pointChanged = false;
bool radiusChanged = false;
for( p = list.first( ); p; p = list.next( ) )
{
if( p->changed( ) )
{
switch( p->id( ) )
{
case PMEnd1ID:
setEnd1( ( ( PM3DControlPoint *) p)->point( ) );
pointChanged = true;
break;
case PMEnd2ID:
setEnd2( ( ( PM3DControlPoint *) p)->point( ) );
pointChanged = true;
break;
case PMRadius1ID:
setRadius1( ( ( PMDistanceControlPoint *) p)->distance( ) );
radiusChanged = true;
break;
case PMRadius2ID:
setRadius2( ( ( PMDistanceControlPoint *) p)->distance( ) );
radiusChanged = true;
break;
default:
kdError (PMArea) << "Wrong ID in PMCone::controlPointsChanged\n";
break;
}
}
}
if( pointChanged )
{
PMVector center, angle1, angle2;
bool firstPoint1 = true;
bool firstPoint2 = true;
center = m_end1 - m_end2;
double pl = center.abs( );
if( approxZero( pl ) )
center = PMVector( 0.0, 1.0, 0.0 );
else
center /= pl;
angle1 = center.orthogonal( );
angle2 = PMVector::cross( center, angle1 );
for( p = list.first( ); p; p = list.next( ) )
{
if( p->id( ) == PMRadius1ID )
{
if( firstPoint1 )
{
( ( PMDistanceControlPoint *) p)->setDirection( angle1 );
firstPoint1 = false;
}
else
( ( PMDistanceControlPoint *) p)->setDirection( angle2 );
}else if( p->id( ) == PMRadius2ID )
{
if( firstPoint2 )
{
( ( PMDistanceControlPoint *) p)->setDirection( angle1 );
firstPoint2 = false;
}
else
( ( PMDistanceControlPoint *) p)->setDirection( angle2 );
}
}
}
if( radiusChanged )
for( p = list.first( ); p; p = list.next( ) )
if( p->id( ) == PMRadius1ID )
( ( PMDistanceControlPoint *) p)->setDistance( m_radius1 );
else if( p->id( ) == PMRadius2ID )
( ( PMDistanceControlPoint *) p)->setDistance( m_radius2 );
}
