OpenSceneGraph/include/osg/Vec2us

137 lines
3.9 KiB
C++

/* -*-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_VEC2US
#define OSG_VEC2US 1
namespace osg {
class Vec2us
{
public:
/** Data type of vector components.*/
typedef unsigned 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 */
Vec2us() { _v[0]=0; _v[1]=0; }
Vec2us(value_type x, value_type y) { _v[0] = x; _v[1] = y; }
inline bool operator == (const Vec2us& v) const { return _v[0]==v._v[0] && _v[1]==v._v[1]; }
inline bool operator != (const Vec2us& v) const { return _v[0]!=v._v[0] || _v[1]!=v._v[1]; }
inline bool operator < (const Vec2us& 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 Vec2us& 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 Vec2us operator * (value_type rhs) const
{
return Vec2us(_v[0]*rhs, _v[1]*rhs);
}
inline Vec2us& operator *= (value_type rhs)
{
_v[0]*=rhs;
_v[1]*=rhs;
return *this;
}
inline Vec2us operator / (value_type rhs) const
{
return Vec2us(_v[0]/rhs, _v[1]/rhs);
}
inline Vec2us& operator /= (value_type rhs)
{
_v[0]/=rhs;
_v[1]/=rhs;
return *this;
}
inline Vec2us operator + (const Vec2us& rhs) const
{
return Vec2us(_v[0]+rhs._v[0], _v[1]+rhs._v[1]);
}
inline Vec2us& operator += (const Vec2us& rhs)
{
_v[0] += rhs._v[0];
_v[1] += rhs._v[1];
return *this;
}
inline Vec2us operator - (const Vec2us& rhs) const
{
return Vec2us(_v[0]-rhs._v[0], _v[1]-rhs._v[1]);
}
inline Vec2us& operator -= (const Vec2us& rhs)
{
_v[0]-=rhs._v[0];
_v[1]-=rhs._v[1];
return *this;
}
}; // end of class Vec2us
/** multiply by vector components. */
inline Vec2us componentMultiply(const Vec2us& lhs, const Vec2us& rhs)
{
return Vec2us(lhs[0]*rhs[0], lhs[1]*rhs[1]);
}
/** divide rhs components by rhs vector components. */
inline Vec2us componentDivide(const Vec2us& lhs, const Vec2us& rhs)
{
return Vec2us(lhs[0]/rhs[0], lhs[1]/rhs[1]);
}
} // end of namespace osg
#endif