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023df37b2b
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1260 ebee16cc-31ac-478f-84a7-5cbb03baadba
112 lines
3.4 KiB
C++
112 lines
3.4 KiB
C++
/****************************************************************************
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This file is part of the GLC-lib library.
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Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
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Copyright (C) 2009 Laurent Bauer
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Version 2.0.0, packaged on July 2010.
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http://glc-lib.sourceforge.net
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GLC-lib is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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GLC-lib is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with GLC-lib; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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#include "glc_turntablemover.h"
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#include "glc_viewport.h"
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// Default constructor
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GLC_TurnTableMover::GLC_TurnTableMover(GLC_Viewport* pViewport, const QList<GLC_RepMover*>& repsList)
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: GLC_Mover(pViewport, repsList)
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, m_Sign(1.0)
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{
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}
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// Copy constructor
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GLC_TurnTableMover::GLC_TurnTableMover(const GLC_TurnTableMover& mover)
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: GLC_Mover(mover)
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, m_Sign(mover.m_Sign)
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{
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}
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GLC_TurnTableMover::~GLC_TurnTableMover()
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{
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}
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//////////////////////////////////////////////////////////////////////
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// Get Functions
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//////////////////////////////////////////////////////////////////////
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// Return a clone of the mover
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GLC_Mover* GLC_TurnTableMover::clone() const
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{
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return new GLC_TurnTableMover(*this);
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}
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//////////////////////////////////////////////////////////////////////
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// Set Functions
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//////////////////////////////////////////////////////////////////////
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// Initialized the mover
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void GLC_TurnTableMover::init(QMouseEvent * e)
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{
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GLC_Mover::m_PreviousVector.setVect(static_cast<double>(e->x()), static_cast<double>(e->y()),0.0);
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GLC_Camera* pCamera= GLC_Mover::m_pViewport->cameraHandle();
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// Calculate angle sign
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m_Sign= pCamera->defaultUpVector() * pCamera->upVector();
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if (m_Sign == 0)
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{
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m_Sign= 1;
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}
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else
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{
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m_Sign= m_Sign / fabs(m_Sign);
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}
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pCamera->setUpCam(pCamera->defaultUpVector() * m_Sign);
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}
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bool GLC_TurnTableMover::move(QMouseEvent * e)
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{
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GLC_Camera* pCamera= GLC_Mover::m_pViewport->cameraHandle();
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// Turn table rotation
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const double rotSpeed= 2.3;
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const double width= static_cast<double> ( GLC_Mover::m_pViewport->viewVSize() );
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const double height= static_cast<double> ( GLC_Mover::m_pViewport->viewHSize() );
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const double alpha = -((static_cast<double>(e->x()) - GLC_Mover::m_PreviousVector.x()) / width) * rotSpeed;
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const double beta = ((static_cast<double>(e->y()) - GLC_Mover::m_PreviousVector.y()) / height) * rotSpeed;
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// Rotation around the screen vertical axis
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pCamera->rotateAroundTarget(pCamera->defaultUpVector(), alpha * m_Sign);
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// Rotation around the screen horizontal axis
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GLC_Vector3d incidentVector= -pCamera->forward();
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GLC_Vector3d rightVector= incidentVector ^ pCamera->upVector();
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if (!rightVector.isNull())
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{
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pCamera->rotateAroundTarget(rightVector, beta);
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}
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m_PreviousVector.setVect(static_cast<double>(e->x()), static_cast<double>(e->y()), 0.0);
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return true;
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}
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