70 lines
1.2 KiB
C++
70 lines
1.2 KiB
C++
#include "..\Header\OrbitCamera.h"
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#include <QVector2D>
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#include <qmath.h>
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#include <iostream>
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/////////////////////////////////////////////////////////////////////////
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// constructor/destructor
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OrbitCamera::OrbitCamera()
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{
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resetView();
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}
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OrbitCamera::~OrbitCamera()
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{
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}
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/////////////////////////////////////////////////////////////////////////
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// functions
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void OrbitCamera::rotateAction(QVector2D diff)
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{
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m_phi -= diff.x() * 0.01;
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m_theta -= diff.y() * 0.01;
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//m_theta = qMax(qMin(M_PI - 0.0001, m_theta), 0.0001);
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}
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void OrbitCamera::moveAction(QVector2D diff)
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{
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}
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void OrbitCamera::wheelAction(double value)
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{
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m_roh -= m_zSpeed * value / 240;
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m_roh = qMax(m_roh, 0.0);
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}
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void OrbitCamera::recalculateMatrix()
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{
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m_matrix = QMatrix4x4();
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// different coordinate (spherical -> world) X->Z | Y->X | Z->Y
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QVector3D tmpPosition(
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qSin(m_theta) * qSin(m_phi),
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qCos(m_theta),
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qSin(m_theta) * qCos(m_phi)
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);
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QVector3D tmpRight(
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qSin(m_phi - M_PI_2),
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0,
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qCos(m_phi - M_PI_2)
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);
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m_matrix.lookAt(m_roh * tmpPosition, QVector3D(0,0,0), QVector3D::crossProduct(tmpRight, tmpPosition));
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}
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void OrbitCamera::resetView()
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{
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m_roh = 4;
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m_phi = 0;
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m_theta = M_PI_2;
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CameraInterface::resetView();
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}
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