/***************************************************************
* Function: applyTranslation()
*
* 'gridSVect': number of snapping segments along each direction
* 'gridUnitLegnth': actual length represented by each segment,
* only one component of 'gridSVect' is supposed to be non-zero
*
***************************************************************/
void CAVEGroupEditGeodeWireframe::applyTranslation(const osg::Vec3s &gridSVect, const float &gridUnitLegnth,
const string &gridUnitLegnthInfo)
{
mMoveSwitch->setAllChildrenOn();
/* move to other direction: clear all children of 'mMoveSwitch' except child[0], rebuild offset tree */
if ((mMoveSVect.x() * gridSVect.x() + mMoveSVect.y() * gridSVect.y() + mMoveSVect.z() * gridSVect.z()) <= 0)
{
unsigned int numChildren = mMoveSwitch->getNumChildren();
if (numChildren > 1)
{
mMoveSwitch->removeChildren(1, numChildren - 1);
MatrixTransVector::iterator itrMatTrans = mMoveMatTransVector.begin();
mMoveMatTransVector.erase(itrMatTrans + 1, itrMatTrans + numChildren);
}
mMoveSVect = Vec3s(0, 0, 0);
}
/* decide unit offset vector and start/end index of children under 'mMoveSwitch' */
Vec3 gridOffsetVect;
short idxStart = 0, idxEnd = 0;
if (gridSVect.x() != 0)
{
idxStart = mMoveSVect.x();
idxEnd = gridSVect.x();
if (gridSVect.x() > 0) gridOffsetVect = Vec3(gridUnitLegnth, 0, 0);
else gridOffsetVect = Vec3(-gridUnitLegnth, 0, 0);
}
else if (gridSVect.y() != 0)
{
idxStart = mMoveSVect.y();
idxEnd = gridSVect.y();
if (gridSVect.y() > 0) gridOffsetVect = Vec3(0, gridUnitLegnth, 0);
else gridOffsetVect = Vec3(0, -gridUnitLegnth, 0);
}
else if (gridSVect.z() != 0)
{
idxStart = mMoveSVect.z();
idxEnd = gridSVect.z();
if (gridSVect.z() > 0) gridOffsetVect = Vec3(0, 0, gridUnitLegnth);
else gridOffsetVect = Vec3(0, 0, -gridUnitLegnth);
}
idxStart = idxStart > 0 ? idxStart: -idxStart;
idxEnd = idxEnd > 0 ? idxEnd : -idxEnd;
/* update the first wireframe with global translation and rotation */
if (idxStart == 0) mMoveMatTransVector[0]->setMatrix(mBoundBoxScaleMat * mAccRootMat);
/* create or remove a sequence of extra children under 'mMoveSwitch' */
if (idxStart < idxEnd)
{
for (short i = idxStart + 1; i <= idxEnd; i++)
{
Matrixd transMat;
transMat.makeTranslate(gridOffsetVect * i);
MatrixTransform *moveTrans = new MatrixTransform;
CAVEGeodeEditWireframeMove *moveGeode = new CAVEGeodeEditWireframeMove;
mMoveSwitch->addChild(moveTrans);
mMoveMatTransVector.push_back(moveTrans);
moveTrans->addChild(moveGeode);
moveTrans->setMatrix(mBoundBoxScaleMat * mAccRootMat * transMat);
}
}
else if (idxStart > idxEnd)
{
mMoveSwitch->removeChildren(idxEnd + 1, idxStart - idxEnd);
MatrixTransVector::iterator itrMatTrans = mMoveMatTransVector.begin();
itrMatTrans += idxEnd + 1;
mMoveMatTransVector.erase(itrMatTrans, itrMatTrans + (idxStart - idxEnd));
}
mMoveSVect = gridSVect;
if (!mPrimaryFlag) return;
/* update info text if 'this' wireframe is primary */
mEditInfoTextSwitch->setAllChildrenOn();
char info[128];
sprintf(info, "Offset = %3.2f m\nSnapping = ", gridUnitLegnth * idxEnd);
mEditInfoText->setText(info + gridUnitLegnthInfo);
}
/***************************************************************
* Function: applyRotation()
*
* 'axisSVect': rotational snapping values around each axis,
* for instance, Vec3(2, 0, 0) means rotation around X-axis by
* two times of 'gridUnitAngle'
* only one component of 'axisIntVect' is supposed to be non-zero
*
***************************************************************/
void CAVEGroupEditGeodeWireframe::applyRotation(const osg::Vec3s &axisSVect, const float &gridUnitAngle,
const string &gridUnitAngleInfo)
{
if (!mPrimaryFlag) return;
mRotateSwitch->setAllChildrenOn();
/* rotate in other direction: clear all children of 'mRotateSwitch' except child[0], rebuild offset tree */
if ((mRotateSVect.x() * axisSVect.x() + mRotateSVect.y() * axisSVect.y() + mRotateSVect.z() * axisSVect.z()) <= 0)
{
unsigned int numChildren = mRotateSwitch->getNumChildren();
if (numChildren > 1)
{
mRotateSwitch->removeChildren(1, numChildren - 1);
MatrixTransVector::iterator itrMatTrans = mRotateMatTransVector.begin();
mRotateMatTransVector.erase(itrMatTrans + 1, itrMatTrans + numChildren);
}
mRotateSVect = Vec3s(0, 0, 0);
}
/* decide unit rotation quat and start/end index of children under 'mRotateSwitch' */
Vec3 gridRotationAxis;
short idxStart = 0, idxEnd = 0;
if (axisSVect.x() != 0)
{
idxStart = mRotateSVect.x();
idxEnd = axisSVect.x();
if (axisSVect.x() > 0) gridRotationAxis = Vec3(1, 0, 0);
else gridRotationAxis = Vec3(-1, 0, 0);
}
else if (axisSVect.y() != 0)
{
idxStart = mRotateSVect.y();
idxEnd = axisSVect.y();
if (axisSVect.y() > 0) gridRotationAxis = Vec3(0, 1, 0);
else gridRotationAxis = Vec3(0, -1, 0);
}
else if (axisSVect.z() != 0)
{
idxStart = mRotateSVect.z();
idxEnd = axisSVect.z();
if (axisSVect.z() > 0) gridRotationAxis = Vec3(0, 0, 1);
else gridRotationAxis = Vec3(0, 0, -1);
}
idxStart = idxStart > 0 ? idxStart: -idxStart;
idxEnd = idxEnd > 0 ? idxEnd : -idxEnd;
/* create or remove a sequence of extra children under 'mRotateSwitch' */
if (idxStart < idxEnd)
{
for (short i = idxStart + 1; i <= idxEnd; i++)
{
Matrixd rotMat;
rotMat.makeRotate(gridUnitAngle * i, gridRotationAxis);
MatrixTransform *rotateTrans = new MatrixTransform;
CAVEGeodeEditWireframeRotate *rotateGeode = new CAVEGeodeEditWireframeRotate;
mRotateSwitch->addChild(rotateTrans);
mRotateMatTransVector.push_back(rotateTrans);
rotateTrans->addChild(rotateGeode);
rotateTrans->setMatrix(mBoundSphereScaleMat * rotMat);
}
}
else if (idxStart > idxEnd)
{
mRotateSwitch->removeChildren(idxEnd + 1, idxStart - idxEnd);
MatrixTransVector::iterator itrMatTrans = mRotateMatTransVector.begin();
itrMatTrans += idxEnd + 1;
mRotateMatTransVector.erase(itrMatTrans, itrMatTrans + (idxStart - idxEnd));
}
mRotateSVect = axisSVect;
/* update info text if 'this' wireframe is primary */
mEditInfoTextSwitch->setAllChildrenOn();
char info[128];
const float gridUnitAngleDegree = gridUnitAngle * 180 / M_PI;
sprintf(info, "Angle = %3.2f\nSnapping = ", gridUnitAngleDegree * idxEnd);
mEditInfoText->setText(info + gridUnitAngleInfo);
}
static bool
buildBoxData( const osg::Vec3& halfExtents, const osg::Vec3s& subdivisions, osg::Geometry* geom )
{
if( ( subdivisions.x() <= 0. ) || ( subdivisions.y() <= 0. ) || ( subdivisions.z() <= 0. ) )
{
osg::notify( osg::WARN ) << "osgwTools: makeBox: Invalid subdivisions." << std::endl;
return( false );
}
const unsigned short subX( (unsigned short)( subdivisions.x() ) );
const unsigned short subY( (unsigned short)( subdivisions.y() ) );
const unsigned short subZ( (unsigned short)( subdivisions.z() ) );
const float xMin( -halfExtents[ 0 ] );
const float xMax( halfExtents[ 0 ] );
const float yMin( -halfExtents[ 1 ] );
const float yMax( halfExtents[ 1 ] );
const float zMin( -halfExtents[ 2 ] );
const float zMax( halfExtents[ 2 ] );
geom->setVertexArray( new osg::Vec3Array );
geom->setNormalArray( new osg::Vec3Array );
geom->setNormalBinding( osg::Geometry::BIND_PER_VERTEX );
geom->setTexCoordArray( 0, new osg::Vec2Array );
{
osg::Vec4Array* osgC = new osg::Vec4Array;
osgC->push_back( osg::Vec4( 1., 1., 1., 1. ) );
geom->setColorArray( osgC );
geom->setColorBinding( osg::Geometry::BIND_OVERALL );
}
// +x
addPlaneData( osg::Vec3( xMax, yMin, zMin ),
osg::Vec3( 0., yMax-yMin, 0. ), subY,
osg::Vec3( 0., 0., zMax-zMin ), subZ,
osg::Vec3( 1., 0., 0. ), geom );
// -x
addPlaneData( osg::Vec3( xMin, yMax, zMin ),
osg::Vec3( 0., yMin-yMax, 0. ), subY,
osg::Vec3( 0., 0., zMax-zMin ), subZ,
osg::Vec3( -1., 0., 0. ), geom );
// +y
addPlaneData( osg::Vec3( xMax, yMax, zMin ),
osg::Vec3( xMin-xMax, 0., 0. ), subX,
osg::Vec3( 0., 0., zMax-zMin ), subZ,
osg::Vec3( 0., 1., 0. ), geom );
// -y
addPlaneData( osg::Vec3( xMin, yMin, zMin ),
osg::Vec3( xMax-xMin, 0., 0. ), subX,
osg::Vec3( 0., 0., zMax-zMin ), subZ,
osg::Vec3( 0., -1., 0. ), geom );
// +z
addPlaneData( osg::Vec3( xMin, yMin, zMax ),
osg::Vec3( xMax-xMin, 0., 0. ), subX,
osg::Vec3( 0., yMax-yMin, 0. ), subY,
osg::Vec3( 0., 0., 1. ), geom );
// -z
addPlaneData( osg::Vec3( xMax, yMin, zMin ),
osg::Vec3( xMin-xMax, 0., 0. ), subX,
osg::Vec3( 0., yMax-yMin, 0. ), subY,
osg::Vec3( 0., 0., -1. ), geom );
return( true );
}
