mirror of
https://github.com/worldforge/cyphesis
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61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
// Cyphesis Online RPG Server and AI Engine
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// Copyright (C) 2000,2001 Alistair Riddoch
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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 General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software Foundation,
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// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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// $Id$
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#ifndef PHYSICS_VECTOR_3D_H
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#define PHYSICS_VECTOR_3D_H
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#include <wfmath/const.h>
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#include <cmath>
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#include <vector>
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/// Used to indicate which axis
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static const int cX = 0;
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static const int cY = 1;
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static const int cZ = 2;
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typedef WFMath::Point<3> Point3D;
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typedef WFMath::Vector<3> Vector3D;
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void addToEntity(const Point3D & p, std::vector<double> & vd);
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void addToEntity(const Vector3D & v, std::vector<double> & vd);
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template <typename FloatT>
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int fromStdVector(Point3D & p, const std::vector<FloatT> & vf);
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template <typename FloatT>
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int fromStdVector(Vector3D & v, const std::vector<FloatT> & vf);
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float sqrMag(const Point3D & p);
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/// Find relative distance, to be used when the result is only
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/// going to be compared with other distances
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float squareDistance(const Point3D & u, const Point3D & v);
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/// Find the distance between two points
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inline float distance(const Point3D & u, const Point3D & v)
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{
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return std::sqrt(squareDistance(u, v));
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}
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typedef std::vector<Point3D> CoordList;
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typedef std::vector<Vector3D> VectorList;
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#endif // PHYSICS_VECTOR_3D_H
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