You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
150 lines
4.1 KiB
150 lines
4.1 KiB
/* -*-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
|