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

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#include "..\Header\FreeCamera.h"
#include <QVector2D>
#include <QVector3D>
#include <QQuaternion>
/////////////////////////////////////////////////////////////////////////
// constructor/destructor
FreeCamera::FreeCamera()
{
resetView();
}
FreeCamera::~FreeCamera()
{
}
/////////////////////////////////////////////////////////////////////////
// functions
void FreeCamera::rotateAction(QVector2D diff)
{
m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(diff.y(), diff.x(), 0.0).normalized(), diff.length() * 0.5) * m_rotation;
}
void FreeCamera::moveAction(QVector2D diff)
{
m_translation += {(float)(diff.x() * 0.01), (float)(diff.y() * -0.01), 0.0};
}
void FreeCamera::wheelAction(double value)
{
m_translation += {0.0, 0.0, (float) (m_zSpeed * value / 240)};
}
void FreeCamera::recalculateMatrix()
{
m_matrix = QMatrix4x4();
m_matrix.translate(m_translation);
m_matrix.rotate(m_rotation);
}
void FreeCamera::resetView()
{
m_translation = { 0, 0, -4 };
m_rotation = QQuaternion();
CameraInterface::resetView();
}