track_ball.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2015-2016 Mario Luzeiro <[email protected]>
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

 
#ifndef TRACK_BALL_H
#define TRACK_BALL_H
 
#include <gal/3d/camera.h>
 
 
class TRACK_BALL : public CAMERA
{
public:
    explicit TRACK_BALL( float aInitialDistance );
    explicit TRACK_BALL( SFVEC3F aInitPos, SFVEC3F aLookat, PROJECTION_TYPE aProjectionType );
 
    virtual ~TRACK_BALL()
    {
    }
 
    void Drag( const wxPoint& aNewMousePosition ) override;
 
    void Pan( const wxPoint& aNewMousePosition ) override;
 
    void Pan( const SFVEC3F& aDeltaOffsetInc ) override;
 
    void Pan_T1( const SFVEC3F& aDeltaOffsetInc ) override;
 
    void Reset_T1() override;
 
    void SetT0_and_T1_current_T() override;
 
    void Interpolate( float t ) override;
 
private:
    void initQuat();

    double m_quat_t0[4];
    double m_quat_t1[4];
};
 
#endif // TRACK_BALL_H