inline void AssimpScene::retrieveColor( const aiMaterial * mtl , const char * pKey , const unsigned int type , const unsigned int index , QVector4D & color , const float r , const float g , const float b , const float a) { aiColor4D acolor; if (AI_SUCCESS == aiGetMaterialColor(mtl, pKey, type, index, &acolor)) { color.setX(acolor.r); color.setY(acolor.g); color.setZ(acolor.b); color.setW(acolor.a); } else { color.setX(r); color.setY(g); color.setZ(b); color.setW(a); } }
void PropertyGroup::getValue(QVector4D & v) { v.setX(properties.at(0)->getValue()); v.setY(properties.at(1)->getValue()); v.setZ(properties.at(2)->getValue()); v.setW(properties.at(3)->getValue()); }
static QVector3D unproject( QVector3D v, const QMatrix4x4 &modelView, const QMatrix4x4 &projection, QRect viewport ) { // Reimplementation of QVector3D::unproject() - see qtbase/src/gui/math3d/qvector3d.cpp // The only difference is that the original implementation uses tolerance 1e-5 // (see qFuzzyIsNull()) as a protection against division by zero. For us it is however // common to get lower values (e.g. as low as 1e-8 when zoomed out to the whole Earth with web mercator). QMatrix4x4 inverse = QMatrix4x4( projection * modelView ).inverted(); QVector4D tmp( v, 1.0f ); tmp.setX( ( tmp.x() - float( viewport.x() ) ) / float( viewport.width() ) ); tmp.setY( ( tmp.y() - float( viewport.y() ) ) / float( viewport.height() ) ); tmp = tmp * 2.0f - QVector4D( 1.0f, 1.0f, 1.0f, 1.0f ); QVector4D obj = inverse * tmp; if ( qgsDoubleNear( obj.w(), 0, 1e-10 ) ) obj.setW( 1.0f ); obj /= obj.w(); return obj.toVector3D(); }
QVector4D GLScene::unproject(const QVector3D & screen){ GLint viewport[4]; glGetIntegerv(GL_VIEWPORT, viewport); const qreal xNorm = (2.0f * ((screen.x() - viewport[0]) / (viewport[2] - viewport[0]))) - 1.0f; const qreal yNorm = 1.0f - (2.0f * ((screen.y() - viewport[1]) / (viewport[3] - viewport[1]))); QMatrix4x4 pvMatrixInv = camera().projViewProduct().inverted(); QVector4D worldPoint = pvMatrixInv * QVector4D(xNorm, yNorm, screen.z(), 1); if (worldPoint.w() == 0){ return QVector4D(0,0,0,0); } worldPoint.setW(1 / worldPoint.w()); worldPoint.setX(worldPoint.x() * worldPoint.w()); worldPoint.setY(worldPoint.y() * worldPoint.w()); return worldPoint; }
bool PropertyMatrixModel::setData(const QModelIndex &index, const QVariant &data, int role) { if (!index.isValid()) return false; if (role != Qt::EditRole) return false; bool ok = false; float floatData = data.toFloat(&ok); if (!ok) return false; switch (m_matrix.type()) { case QVariant::Vector2D: { QVector2D value = m_matrix.value<QVector2D>(); switch (index.row()) { case 0: value.setX(floatData); break; case 1: value.setY(floatData); break; } m_matrix = value; break; } case QVariant::Vector3D: { QVector3D value = m_matrix.value<QVector3D>(); switch (index.row()) { case 0: value.setX(floatData); break; case 1: value.setY(floatData); break; case 2: value.setZ(floatData); break; } m_matrix = value; break; } case QVariant::Vector4D: { QVector4D value = m_matrix.value<QVector4D>(); switch (index.row()) { case 0: value.setX(floatData); break; case 1: value.setY(floatData); break; case 2: value.setZ(floatData); break; case 3: value.setW(floatData); break; } m_matrix = value; break; } #if QT_VERSION >= QT_VERSION_CHECK(5, 5, 0) case QVariant::Quaternion: { float pitch, yaw, roll; const QQuaternion value = m_matrix.value<QQuaternion>(); value.getEulerAngles(&pitch, &yaw, &roll); switch (index.row()) { case 0: pitch = floatData; break; case 1: yaw = floatData; break; case 2: roll = floatData; break; } m_matrix = QQuaternion::fromEulerAngles(pitch, yaw, roll); break; } #endif case QVariant::Matrix: { QMatrix value = m_matrix.value<QMatrix>(); switch (index.row() << 4 | index.column()) { case 0x00: value.setMatrix(floatData, value.m12(), value.m21(), value.m22(), value.dx(), value.dy()); break; case 0x01: value.setMatrix(value.m11(), floatData, value.m21(), value.m22(), value.dx(), value.dy()); break; case 0x10: value.setMatrix(value.m11(), value.m12(), floatData, value.m22(), value.dx(), value.dy()); break; case 0x11: value.setMatrix(value.m11(), value.m12(), value.m21(), floatData, value.dx(), value.dy()); break; case 0x20: value.setMatrix(value.m11(), value.m12(), value.m21(), value.m22(), floatData, value.dy()); break; case 0x21: value.setMatrix(value.m11(), value.m12(), value.m21(), value.m22(), value.dx(), floatData); break; } m_matrix = value; break; } case QVariant::Transform: { QTransform value = m_matrix.value<QTransform>(); switch (index.row() << 4 | index.column()) { case 0x00: value.setMatrix(floatData, value.m12(), value.m13(), value.m21(), value.m22(), value.m23(), value.m31(), value.m32(), value.m33()); break; case 0x01: value.setMatrix(value.m11(), floatData, value.m13(), value.m21(), value.m22(), value.m23(), value.m31(), value.m32(), value.m33()); break; case 0x02: value.setMatrix(value.m11(), value.m12(), floatData, value.m21(), value.m22(), value.m23(), value.m31(), value.m32(), value.m33()); break; case 0x10: value.setMatrix(value.m11(), value.m12(), value.m13(), floatData, value.m22(), value.m23(), value.m31(), value.m32(), value.m33()); break; case 0x11: value.setMatrix(value.m11(), value.m12(), value.m13(), value.m21(), floatData, value.m23(), value.m31(), value.m32(), value.m33()); break; case 0x12: value.setMatrix(value.m11(), value.m12(), value.m13(), value.m21(), value.m22(), floatData, value.m31(), value.m32(), value.m33()); break; case 0x20: value.setMatrix(value.m11(), value.m12(), value.m13(), value.m21(), value.m22(), value.m23(), floatData, value.m32(), value.m33()); break; case 0x21: value.setMatrix(value.m11(), value.m12(), value.m13(), value.m21(), value.m22(), value.m23(), value.m31(), floatData, value.m33()); break; case 0x22: value.setMatrix(value.m11(), value.m12(), value.m13(), value.m21(), value.m22(), value.m23(), value.m31(), value.m32(), floatData); break; } m_matrix = value; break; } case QVariant::Matrix4x4: { QMatrix4x4 value = m_matrix.value<QMatrix4x4>(); value(index.row(), index.column()) = floatData; m_matrix = value; break; } } emit dataChanged(index, index); return true; }
void CombinedNavRenderer::leftMouseDown( int x, int y ) { float xf = static_cast<float>( x ); float yf = static_cast<float>( m_height - y ); QVector4D test; test.setX( ( 2 * xf ) / m_width - 1 ); test.setY( ( 2 * yf ) / m_height - 1 ); test.setZ( 1 ); test.setW( 1 ); int xout; int yout; QVector4D out = m_mvpMatrix.inverted() * test; QModelIndex mi; if ( m_ratio > 1.5 ) { xout = out.x() / m_dx; if ( ( (float)out.x() / m_dx ) < m_nx ) { xout = qMax( 0, qMin( xout, static_cast<int>( m_nx - 1.0 ) ) ); yout = out.y() / m_dy; yout = qMax( 0, qMin( yout, static_cast<int>( m_ny - 1.0 ) ) ); mi = model()->index( (int)Fn::Global::SAGITTAL_CORONAL, 0 ); } else if ( ( (float)out.x() / m_dx ) < m_nx * 2 ) { xout = xout - m_nx; xout = qMax( 0, qMin( xout, static_cast<int>( m_nx - 1.0 ) ) ); yout = out.y() / m_dz; yout = qMax( 0, qMin( yout, static_cast<int>( m_nz - 1.0 ) ) ); mi = model()->index( (int)Fn::Global::SAGITTAL_AXIAL, 0 ); } else { xout = xout - ( 2 * m_nx ); xout = qMax( 0, qMin( m_ny - xout - 1, static_cast<int>( m_ny - 1.0 ) ) ); yout = out.y() / m_dz; yout = qMax( 0, qMin( yout, static_cast<int>( m_nz - 1.0 ) ) ); mi = model()->index( (int)Fn::Global::CORONAL_AXIAL, 0 ); } } else if ( m_ratio < 0.66 ) { yout = out.y() / m_dz; if ( ( (float)out.y() / m_dz ) < m_nz ) { xout = out.x() / m_dy; xout = qMax( 0, qMin( m_ny - xout - 1, static_cast<int>( m_ny - 1.0 ) ) ); yout = qMax( 0, qMin( yout, static_cast<int>( m_nz - 1.0 ) ) ); mi = model()->index( (int)Fn::Global::CORONAL_AXIAL, 0 ); } else if ( ( (float)out.y() / m_dz ) < m_nz * 2 ) { xout = out.x() / m_dx; xout = qMax( 0, qMin( xout, static_cast<int>( m_nx - 1.0 ) ) ); yout = yout - m_nz; yout = qMax( 0, qMin( yout, static_cast<int>( m_nz - 1.0 ) ) ); mi = model()->index( (int)Fn::Global::SAGITTAL_AXIAL, 0 ); } else { xout = out.x() / m_dx; xout = qMax( 0, qMin( xout, static_cast<int>( m_nx - 1.0 ) ) ); yout = yout - ( 2 * m_nz ); yout = qMax( 0, qMin( yout, static_cast<int>( m_ny - 1.0 ) ) ); mi = model()->index( (int)Fn::Global::SAGITTAL_CORONAL, 0 ); } } else { xout = out.x() / m_dx; yout = out.y() / m_dy; if ( ( (float)out.x() / m_dx ) < m_nx ) { if ( ( (float)out.y() / m_dy ) < m_nz ) { xout = qMax( 0, qMin( xout, static_cast<int>( m_nx - 1.0 ) ) ); yout = qMax( 0, qMin( yout, static_cast<int>( m_ny - 1.0 ) ) ); mi = model()->index( (int)Fn::Global::SAGITTAL_CORONAL, 0 ); } else { xout = qMax( 0, qMin( xout, static_cast<int>( m_nx - 1.0 ) ) ); yout = yout - m_ny; yout = qMax( 0, qMin( yout, static_cast<int>( m_nz - 1.0 ) ) ); mi = model()->index( (int)Fn::Global::SAGITTAL_AXIAL, 0 ); } } else { xout = xout - m_nx; xout = qMax( 0, qMin( m_ny - xout- 1, static_cast<int>( m_ny - 1.0 ) ) ); yout = yout - m_ny; yout = qMax( 0, qMin( yout, static_cast<int>( m_nz - 1.0 ) ) ); mi = model()->index( (int)Fn::Global::CORONAL_AXIAL, 0 ); } } QPoint p( xout, yout ); if ( mi.isValid() ) { model()->setData( mi, p ); } }