Acad::ErrorStatus
AsdkSmiley::transformBy(const AcGeMatrix3d& xform)
{
assertWriteEnabled();
// Transform the center point and get the translation vector
AcGePoint3d oldCenter( center() ),
newCenter( center() );
newCenter.transformBy( xform );
AcGeVector3d transVec = newCenter - center();
// Get the equivalent transformation
AcGeMatrix3d newXform;
newXform.setToTranslation( transVec );
// Only translate the face and mouth - do not transform!
mfacecircle.transformBy( newXform );
mmoutharc.transformBy( newXform );
// Get the point at a quadrant, transform it..
AcGePoint3d oldXquad = center() + AcGeVector3d( radius(), 0, 0 ),
newXquad( oldXquad );
newXquad.transformBy( xform );
// ... then scale the Smiley accordingly
if ( Adesk::kFalse == xform.isEqualTo( AcGeMatrix3d::kIdentity ))
scaleRadius( radius() * newCenter.distanceTo( newXquad ) / oldCenter.distanceTo( oldXquad ));
return Acad::eOk;
}
std::list<KDPoint> randomPointsInSphereGaussianDistribution(int numPoints, double radius, double width)
{
CGAL::Random_points_in_sphere_3<KDPoint, Pt_creator> sphereRnd(1.0);
std::list<KDPoint> innerRandomPoints;
CGAL::copy_n(sphereRnd, numPoints, std::back_inserter(innerRandomPoints));
std::list<KDPoint> randomPoints;
std::list<KDPoint>::iterator pointsIter;
for(pointsIter = innerRandomPoints.begin(); pointsIter != innerRandomPoints.end(); ++pointsIter)
{
KDPoint point = *pointsIter;
KDVector vPointR = KDVector(point.x(), point.y(), point.z());
double r = CGAL::sqrt(vPointR.squared_length());
KDVector unitVector = vPointR / r;
double gaussRadius = std::exp(-(width*r*r));
KDTransformation scaleGauss(CGAL::SCALING, gaussRadius);
KDTransformation scaleRadius(CGAL::SCALING, radius);
KDPoint scaledPoint = scaleGauss(KDPoint(unitVector.x(), unitVector.y(), unitVector.z()));
scaledPoint = scaleRadius(scaledPoint);
randomPoints.push_back(scaledPoint);
}
return randomPoints;
}
Acad::ErrorStatus
AsdkSmiley::moveGripPointsAt(
const AcDbIntArray& indices,
const AcGeVector3d& offset)
{
assertWriteEnabled();
AcGePoint3dArray eyearray;
AcGePoint3d oldquad, newquad, newmouthcenter, newmouthbottom,
smilecen, startpt, endpt, midpt, newpt;
AcGeVector3d vecstart(0,0,0), vecend(0,0,0), newvec(0,0,0);
eyes( eyearray );
for( int i = 0; i < indices.length(); i++ ) {
int idx = indices[i];
switch( idx ) {
// Stretch smiley center
//
case 0:
setCenter( center() + offset );
continue;
// Stretch smiley radius
//
case 1:
oldquad = center() + AcGeVector3d( radius(), 0, 0 );
break;
case 2:
oldquad = center() + AcGeVector3d( 0, radius(), 0 );
break;
case 3:
oldquad = center() - AcGeVector3d( radius(), 0, 0 );
break;
case 4:
oldquad = center() - AcGeVector3d( 0, radius(), 0 );
break;
// Stretch smiley mouth
//
case 5:
// Left hand edge of mouth
//
setMouthLeft( mouthLeft() + offset );
ensureRadius();
continue;
case 6:
// Right hand edge of mouth
//
setMouthRight( mouthRight() + offset );
ensureRadius();
continue;
case 7:
// Middle mouth chord
//
setMouth( mouthLeft() + offset, mouthBottom() + offset, mouthRight() + offset );
ensureRadius();
continue;
case 8:
// Bottom of mouth arc
//
setMouthBottom( mouthBottom() + offset );
ensureRadius();
continue;
// Stretch smiley eyes
//
default:
if(( eyearray.length() * 5 ) + 9 > idx ){
// Get eye number, extracting it from the array
//
int eyepos = (int)(( idx - 9 ) / 5 );
AcGePoint3d eyecen = eyearray.at( eyepos );
// Handle the grip for the eye
//
int subidx = idx - 9;
while ( subidx >= 5 ){ subidx -= 5; }
switch( subidx ){
// Stretch eye center
//
case 0:
// Keep the minimum eye height at zero
//
if( meyesheight+offset[Y] < 0 )
setEyesHeight( 0 );
else
setEyesHeight( meyesheight + offset[Y] );
// Keep the eyes from overlapping
//
if( eyecen[X] < center()[X] ){ // left eye
if( meyesapart - ( offset[X] * 2 ) < meyesize * 2 )
setEyesApart( meyesize * 2 );
else
setEyesApart( meyesapart - ( offset[X] * 2 ));
}
else { // right eye
if( meyesapart + ( offset[X] * 2 ) < meyesize * 2 )
setEyesApart( meyesize * 2 );
else
setEyesApart( meyesapart + ( offset[X] * 2));
}
ensureRadius();
continue;
// Stretch eye radius
//
case 1:
oldquad = eyecen + AcGeVector3d( meyesize, 0, 0 );
break;
case 2:
oldquad = eyecen + AcGeVector3d( 0, meyesize, 0 );
break;
case 3:
oldquad = eyecen - AcGeVector3d( meyesize, 0, 0 );
break;
case 4:
oldquad = eyecen - AcGeVector3d( 0, meyesize, 0 );
break;
}
newquad = oldquad + offset;
// Keep eyes from touching
//
if( newquad.distanceTo( eyecen ) > meyesapart / 2 )
setEyeSize( meyesapart / 2 );
else
setEyeSize( newquad.distanceTo( eyecen ));
ensureRadius();
}
continue;
}
newquad = oldquad + offset;
scaleRadius( newquad.distanceTo( center() ));
}
return Acad::eOk;
}
