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

65 lines
1.2 KiB
C++

#include "..\Header\OrbitCamera.h"
#include <QVector2D>
#include <qmath.h>
#include <iostream>
/////////////////////////////////////////////////////////////////////////
// constructor/destructor
OrbitCamera::OrbitCamera()
{
resetView();
}
OrbitCamera::~OrbitCamera()
{
}
/////////////////////////////////////////////////////////////////////////
// functions
void OrbitCamera::rotateAction(QVector2D diff)
{
//m_phi += diff.x() * 0.01;
m_theta -= diff.y() * 0.01;
m_theta = qMax(qMin(M_PI_2, m_theta), -M_PI_2);
}
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));
std::cout << m_theta << ":" << tmpPosition.x() << "-" << tmpPosition.y() << "-" << tmpPosition.z() << std::endl;
m_matrix.lookAt(m_roh * tmpPosition, QVector3D(0, 0, 0), QVector3D(0, 1, 0));
}
void OrbitCamera::resetView()
{
m_roh = 4;
m_phi = - M_PI_2;
m_theta = 0;
CameraInterface::resetView();
}