mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-12-15 22:08:43 +00:00
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
//
|
|
// Includes
|
|
//
|
|
|
|
#include <nel/misc/types_nl.h>
|
|
|
|
#include "physics.h"
|
|
|
|
//
|
|
// Namespaces
|
|
//
|
|
|
|
using namespace std;
|
|
using namespace NLMISC;
|
|
|
|
namespace SBCLIENT {
|
|
|
|
// -- -- this file exists twice
|
|
|
|
CVector CTrajectory::eval(NLMISC::TLocalTime t) const
|
|
{
|
|
if (t < _StartTime) return _StartPosition;
|
|
|
|
float ft = (float)(t-_StartTime)/(float)(_StopTime-_StartTime);
|
|
ft = min(ft, 1.0f);
|
|
CVector res = _EndPosition*ft + _StartPosition*(1.0f-ft);
|
|
res.z += 0.3f*_Distance*_Distance/90.0f*(float)sin(Pi*ft);
|
|
return res;
|
|
}
|
|
|
|
CVector CTrajectory::evalSpeed(NLMISC::TLocalTime t) const
|
|
{
|
|
if (t < _StartTime) return _StartPosition;
|
|
|
|
float ft = (float)(t-_StartTime)/(float)(_StopTime-_StartTime);
|
|
ft = min(ft, 1.0f);
|
|
CVector res = (_EndPosition-_StartPosition).normed()*_Speed;
|
|
res.z += 0.3f*_Distance*_Distance/90.0f*(float)Pi*(float)cos(Pi*ft);
|
|
return res;
|
|
}
|
|
|
|
} /* namespace SBCLIENT */
|
|
|
|
/* end of file */
|