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63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef PHYSICS_H
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#define PHYSICS_H
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//
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// Includes
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//
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#include <nel/misc/vector.h>
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#include <nel/misc/time_nl.h>
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//
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// External classes
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//
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class CTrajectory
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{
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NLMISC::CVector _StartPosition;
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NLMISC::CVector _EndPosition;
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float _Speed;
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NLMISC::TTime _StartTime;
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NLMISC::TTime _StopTime;
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float _Distance;
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public:
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void init(const NLMISC::CVector &position, const NLMISC::CVector &target, float speed, NLMISC::TTime startTime)
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{
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_StartPosition = position;
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_EndPosition = target;
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_Speed = speed;
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_StartTime = startTime;
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_Distance = (_EndPosition-_StartPosition).norm();
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_StopTime = (NLMISC::TTime)(_Distance/_Speed*1000.0+_StartTime);
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}
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// void compute(const NLMISC::CVector &position, const NLMISC::CVector &target, float speed, NLMISC::TTime startTime);
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NLMISC::CVector eval(NLMISC::TTime t) const;
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NLMISC::CVector evalSpeed(NLMISC::TTime t) const;
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NLMISC::TTime getStartTime() const { return _StartTime; }
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NLMISC::CVector getStartPosition() const { return _StartPosition; }
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NLMISC::TTime getStopTime() const { return _StopTime; }
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};
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#endif // PHYSICS_H
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/* End of physics.h */
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