SWBF2-Classic-Msh-Viewer/QtMeshViewer/Source/OrbitCamera.cpp

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#include "..\Header\OrbitCamera.h"
#include <QVector2D>
#include <qmath.h>
#include <iostream>
/////////////////////////////////////////////////////////////////////////
// constructor/destructor
OrbitCamera::OrbitCamera()
{
resetView();
}
OrbitCamera::~OrbitCamera()
{
}
/////////////////////////////////////////////////////////////////////////
// functions
void OrbitCamera::rotateAction(QVector2D diff)
{
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m_phi -= diff.x() * 0.01;
m_theta -= diff.y() * 0.01;
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m_theta = qMax(qMin(M_PI - 0.0001, m_theta), 0.0001);
}
void OrbitCamera::moveAction(QVector2D diff)
{
}
void OrbitCamera::wheelAction(double value)
{
m_roh -= m_zSpeed * value / 240;
m_roh = qMax(m_roh, 0.0);
}
void OrbitCamera::recalculateMatrix()
{
m_matrix = QMatrix4x4();
QVector3D tmpPosition;
tmpPosition.setX(qSin(m_theta) * qCos(m_phi));
tmpPosition.setY(qSin(m_theta) * qSin(m_phi));
tmpPosition.setZ(qCos(m_theta));
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m_matrix.lookAt(m_roh * tmpPosition, QVector3D(0,0,0), QVector3D(0, 0, 1));
m_matrix.rotate(90, 1, 0, 0);
m_matrix.rotate(90, 0, 1, 0);
}
void OrbitCamera::resetView()
{
m_roh = 4;
m_phi = 0; //-M_PI_2;
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m_theta = M_PI_2;
CameraInterface::resetView();
}