void MatrixDisplayDlg::fillDialogWith(const ccGLMatrix& mat)
{
m_mat = ccGLMatrixd(mat.data());
int precision = ccGui::Parameters().displayedNumPrecision;
//display as 4x4 matrix
maxTextEdit->setText(mat.toString(precision));
//display as rotation vector/angle
{
PointCoordinateType angle_rad;
CCVector3 axis3D, t3D;
mat.getParameters(angle_rad, axis3D, t3D);
fillDialogWith(CCVector3d::fromArray(axis3D.u),angle_rad,CCVector3d::fromArray(t3D.u),precision);
}
}
void CleanMatrix(ccGLMatrixd& mat)
{
//make the transform a little bit cleaner (necessary as it's read from ASCII!)
{
//#ifdef QT_DEBUG
// //test the matrix quality
// ccGLMatrixd before = mat;
// CCVector3d X0(before.getColumn(0));
// CCVector3d Y0(before.getColumn(1));
// CCVector3d Z0(before.getColumn(2));
// double normX0 = X0.norm();
// double normY0 = Y0.norm();
// double normZ0 = Z0.norm();
//#endif
CCVector3d X(mat.getColumn(0));
CCVector3d Y(mat.getColumn(1));
CCVector3d Z(mat.getColumn(2));
CCVector3d T = mat.getTranslationAsVec3D();
Z = X.cross(Y);
Y = Z.cross(X);
X.normalize();
Y.normalize();
Z.normalize();
mat = ccGLMatrixd(X,Y,Z,T);
//#ifdef QT_DEBUG
// double dot = CCVector3d(X).dot(X0);
// dot /= (normX0 * CCVector3d(X).norm());
// double alpha = acos(dot);
//
// dot = CCVector3d(Y).dot(Y0);
// dot /= (normY0 * CCVector3d(Y).norm());
// double beta = acos(dot);
//
// dot = CCVector3d(Z).dot(Z0);
// dot /= (normZ0 * CCVector3d(Z).norm());
// double gamma = acos(dot);
//#endif
}
}
bool ccViewportParameters::fromFile(QFile& in, short dataVersion, int flags)
{
//base modelview matrix (dataVersion>=20)
if (dataVersion >= 36) //we now save the camera matrix in double precision
{
if (!viewMat.fromFile(in, dataVersion, flags))
return false;
}
else
{
//camera matrix was saved in standard (float) precision
ccGLMatrix _viewMat;
if (!_viewMat.fromFile(in, dataVersion, flags))
return false;
viewMat = ccGLMatrixd(_viewMat.data());
}
//other parameters (dataVersion>=20)
QDataStream inStream(&in);
inStream >> pixelSize;
//before version 25, we were saving the inverse of 'pixelSize' ('globalZoom')
if (dataVersion < 25)
pixelSize = (pixelSize> ZERO_TOLERANCE ? 1.0f/pixelSize : 1.0f);
inStream >> zoom;
inStream >> defaultPointSize;
inStream >> defaultLineWidth;
inStream >> perspectiveView;
inStream >> objectCenteredView;
if (dataVersion >= 36) //we now save the camera center and pivot point in double precision
{
inStream >> pivotPoint.x;
inStream >> pivotPoint.y;
inStream >> pivotPoint.z;
inStream >> cameraCenter.x;
inStream >> cameraCenter.y;
inStream >> cameraCenter.z;
}
