/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield * * This library is open source and may be redistributed and/or modified under * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or * (at your option) any later version. The full license is in LICENSE file * included with this distribution, and on the openscenegraph.org website. * * This library 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 * OpenSceneGraph Public License for more details. */ #ifndef OSG_VEC2S #define OSG_VEC2S 1 namespace osg { class Vec2s { public: /** Data type of vector components.*/ typedef short value_type; /** Number of vector components. */ enum { num_components = 2 }; value_type _v[2]; /** Constructor that sets all components of the vector to zero */ Vec2s() { _v[0]=0; _v[1]=0; } Vec2s(value_type x, value_type y) { _v[0] = x; _v[1] = y; } inline bool operator == (const Vec2s& v) const { return _v[0]==v._v[0] && _v[1]==v._v[1]; } inline bool operator != (const Vec2s& v) const { return _v[0]!=v._v[0] || _v[1]!=v._v[1]; } inline bool operator < (const Vec2s& v) const { if (_v[0]<v._v[0]) return true; else if (_v[0]>v._v[0]) return false; else return (_v[1]<v._v[1]); } inline value_type* ptr() { return _v; } inline const value_type* ptr() const { return _v; } inline void set( value_type x, value_type y) { _v[0]=x; _v[1]=y; } inline void set( const Vec2s& rhs) { _v[0]=rhs._v[0]; _v[1]=rhs._v[1]; } inline value_type& operator [] (int i) { return _v[i]; } inline value_type operator [] (int i) const { return _v[i]; } inline value_type& x() { return _v[0]; } inline value_type& y() { return _v[1]; } inline value_type x() const { return _v[0]; } inline value_type y() const { return _v[1]; } inline value_type& r() { return _v[0]; } inline value_type& g() { return _v[1]; } inline value_type r() const { return _v[0]; } inline value_type g() const { return _v[1]; } inline Vec2s operator * (value_type rhs) const { return Vec2s(_v[0]*rhs, _v[1]*rhs); } inline Vec2s& operator *= (value_type rhs) { _v[0]*=rhs; _v[1]*=rhs; return *this; } inline Vec2s operator / (value_type rhs) const { return Vec2s(_v[0]/rhs, _v[1]/rhs); } inline Vec2s& operator /= (value_type rhs) { _v[0]/=rhs; _v[1]/=rhs; return *this; } inline Vec2s operator * (const Vec2s& rhs) const { return Vec2s(_v[0]*rhs._v[0], _v[1]*rhs._v[1]); } inline Vec2s operator + (const Vec2s& rhs) const { return Vec2s(_v[0]+rhs._v[0], _v[1]+rhs._v[1]); } inline Vec2s& operator += (const Vec2s& rhs) { _v[0] += rhs._v[0]; _v[1] += rhs._v[1]; return *this; } inline Vec2s operator - (const Vec2s& rhs) const { return Vec2s(_v[0]-rhs._v[0], _v[1]-rhs._v[1]); } inline Vec2s& operator -= (const Vec2s& rhs) { _v[0]-=rhs._v[0]; _v[1]-=rhs._v[1]; return *this; } inline Vec2s operator - () const { return Vec2s (-_v[0], -_v[1]); } }; // end of class Vec2s /** multiply by vector components. */ inline Vec2s componentMultiply(const Vec2s& lhs, const Vec2s& rhs) { return Vec2s(lhs[0]*rhs[0], lhs[1]*rhs[1]); } /** divide rhs components by rhs vector components. */ inline Vec2s componentDivide(const Vec2s& lhs, const Vec2s& rhs) { return Vec2s(lhs[0]/rhs[0], lhs[1]/rhs[1]); } } // end of namespace osg #endif