OgreVector4.h
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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/
Copyright (c) 2000-2013 Torus Knot Software Ltd
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------------------------------
*/
#ifndef __Vector4_H__
#define __Vector4_H__
#include "OgrePrerequisites.h"
#include "OgreVector3.h"
namespace Ogre
{
class _OgreExport Vector4
{
public:
Real x, y, z, w;
public:
inline Vector4()
{
}
inline Vector4( const Real fX, const Real fY, const Real fZ, const Real fW )
: x( fX ), y( fY ), z( fZ ), w( fW )
{
}
inline explicit Vector4( const Real afCoordinate[4] )
: x( afCoordinate[0] ),
y( afCoordinate[1] ),
z( afCoordinate[2] ),
w( afCoordinate[3] )
{
}
inline explicit Vector4( const int afCoordinate[4] )
{
x = (Real)afCoordinate[0];
y = (Real)afCoordinate[1];
z = (Real)afCoordinate[2];
w = (Real)afCoordinate[3];
}
inline explicit Vector4( Real* const r )
: x( r[0] ), y( r[1] ), z( r[2] ), w( r[3] )
{
}
inline explicit Vector4( const Real scaler )
: x( scaler )
, y( scaler )
, z( scaler )
, w( scaler )
{
}
inline explicit Vector4(const Vector3& rhs)
: x(rhs.x), y(rhs.y), z(rhs.z), w(1.0f)
{
}
inline void swap(Vector4& other)
{
std::swap(x, other.x);
std::swap(y, other.y);
std::swap(z, other.z);
std::swap(w, other.w);
}
inline Real operator [] ( const size_t i ) const
{
assert( i < 4 );
return *(&x+i);
}
inline Real& operator [] ( const size_t i )
{
assert( i < 4 );
return *(&x+i);
}
inline Real* ptr()
{
return &x;
}
inline const Real* ptr() const
{
return &x;
}
inline Vector4& operator = ( const Vector4& rkVector )
{
x = rkVector.x;
y = rkVector.y;
z = rkVector.z;
w = rkVector.w;
return *this;
}
inline Vector4& operator = ( const Real fScalar)
{
x = fScalar;
y = fScalar;
z = fScalar;
w = fScalar;
return *this;
}
inline bool operator == ( const Vector4& rkVector ) const
{
return ( x == rkVector.x &&
y == rkVector.y &&
z == rkVector.z &&
w == rkVector.w );
}
inline bool operator != ( const Vector4& rkVector ) const
{
return ( x != rkVector.x ||
y != rkVector.y ||
z != rkVector.z ||
w != rkVector.w );
}
inline Vector4& operator = (const Vector3& rhs)
{
x = rhs.x;
y = rhs.y;
z = rhs.z;
w = 1.0f;
return *this;
}
// arithmetic operations
inline Vector4 operator + ( const Vector4& rkVector ) const
{
return Vector4(
x + rkVector.x,
y + rkVector.y,
z + rkVector.z,
w + rkVector.w);
}
inline Vector4 operator - ( const Vector4& rkVector ) const
{
return Vector4(
x - rkVector.x,
y - rkVector.y,
z - rkVector.z,
w - rkVector.w);
}
inline Vector4 operator * ( const Real fScalar ) const
{
return Vector4(
x * fScalar,
y * fScalar,
z * fScalar,
w * fScalar);
}
inline Vector4 operator * ( const Vector4& rhs) const
{
return Vector4(
rhs.x * x,
rhs.y * y,
rhs.z * z,
rhs.w * w);
}
inline Vector4 operator / ( const Real fScalar ) const
{
assert( fScalar != 0.0 );
Real fInv = 1.0f / fScalar;
return Vector4(
x * fInv,
y * fInv,
z * fInv,
w * fInv);
}
inline Vector4 operator / ( const Vector4& rhs) const
{
return Vector4(
x / rhs.x,
y / rhs.y,
z / rhs.z,
w / rhs.w);
}
inline const Vector4& operator + () const
{
return *this;
}
inline Vector4 operator - () const
{
return Vector4(-x, -y, -z, -w);
}
inline friend Vector4 operator * ( const Real fScalar, const Vector4& rkVector )
{
return Vector4(
fScalar * rkVector.x,
fScalar * rkVector.y,
fScalar * rkVector.z,
fScalar * rkVector.w);
}
inline friend Vector4 operator / ( const Real fScalar, const Vector4& rkVector )
{
return Vector4(
fScalar / rkVector.x,
fScalar / rkVector.y,
fScalar / rkVector.z,
fScalar / rkVector.w);
}
inline friend Vector4 operator + (const Vector4& lhs, const Real rhs)
{
return Vector4(
lhs.x + rhs,
lhs.y + rhs,
lhs.z + rhs,
lhs.w + rhs);
}
inline friend Vector4 operator + (const Real lhs, const Vector4& rhs)
{
return Vector4(
lhs + rhs.x,
lhs + rhs.y,
lhs + rhs.z,
lhs + rhs.w);
}
inline friend Vector4 operator - (const Vector4& lhs, Real rhs)
{
return Vector4(
lhs.x - rhs,
lhs.y - rhs,
lhs.z - rhs,
lhs.w - rhs);
}
inline friend Vector4 operator - (const Real lhs, const Vector4& rhs)
{
return Vector4(
lhs - rhs.x,
lhs - rhs.y,
lhs - rhs.z,
lhs - rhs.w);
}
// arithmetic updates
inline Vector4& operator += ( const Vector4& rkVector )
{
x += rkVector.x;
y += rkVector.y;
z += rkVector.z;
w += rkVector.w;
return *this;
}
inline Vector4& operator -= ( const Vector4& rkVector )
{
x -= rkVector.x;
y -= rkVector.y;
z -= rkVector.z;
w -= rkVector.w;
return *this;
}
inline Vector4& operator *= ( const Real fScalar )
{
x *= fScalar;
y *= fScalar;
z *= fScalar;
w *= fScalar;
return *this;
}
inline Vector4& operator += ( const Real fScalar )
{
x += fScalar;
y += fScalar;
z += fScalar;
w += fScalar;
return *this;
}
inline Vector4& operator -= ( const Real fScalar )
{
x -= fScalar;
y -= fScalar;
z -= fScalar;
w -= fScalar;
return *this;
}
inline Vector4& operator *= ( const Vector4& rkVector )
{
x *= rkVector.x;
y *= rkVector.y;
z *= rkVector.z;
w *= rkVector.w;
return *this;
}
inline Vector4& operator /= ( const Real fScalar )
{
assert( fScalar != 0.0 );
Real fInv = 1.0f / fScalar;
x *= fInv;
y *= fInv;
z *= fInv;
w *= fInv;
return *this;
}
inline Vector4& operator /= ( const Vector4& rkVector )
{
x /= rkVector.x;
y /= rkVector.y;
z /= rkVector.z;
w /= rkVector.w;
return *this;
}
inline Real dotProduct(const Vector4& vec) const
{
return x * vec.x + y * vec.y + z * vec.z + w * vec.w;
}
inline bool isNaN() const
{
return Math::isNaN(x) || Math::isNaN(y) || Math::isNaN(z) || Math::isNaN(w);
}
inline _OgreExport friend std::ostream& operator <<
( std::ostream& o, const Vector4& v )
{
o << "Vector4(" << v.x << ", " << v.y << ", " << v.z << ", " << v.w << ")";
return o;
}
// special
static const Vector4 ZERO;
};
}
#endif
Ogre::Vector4::isNaN
bool isNaN() const
Check whether this vector contains valid values.
Definition: OgreVector4.h:398
Ogre::Vector3::z
Real z
Definition: OgreVector3.h:54
Ogre::Vector4::Vector4
Vector4(const Real scaler)
Definition: OgreVector4.h:85
OgreVector3.h
Ogre::Vector4::Vector4
Vector4()
Default constructor.
Definition: OgreVector4.h:55
_OgreExport
#define _OgreExport
Definition: OgrePlatform.h:257
Ogre::Vector4::Vector4
Vector4(const Real fX, const Real fY, const Real fZ, const Real fW)
Definition: OgreVector4.h:59
Ogre::Vector4::w
Real w
Definition: OgreVector4.h:48
Ogre::Vector4::z
Real z
Definition: OgreVector4.h:48
Ogre::Vector4
4-dimensional homogeneous vector.
Definition: OgreVector4.h:45
Ogre::Math::isNaN
static bool isNaN(Real f)
Definition: OgreMath.h:305
Ogre::Real
float Real
Software floating point type.
Definition: OgrePrerequisites.h:70
Ogre::Vector4::Vector4
Vector4(Real *const r)
Definition: OgreVector4.h:80
Ogre::Vector4::dotProduct
Real dotProduct(const Vector4 &vec) const
Calculates the dot (scalar) product of this vector with another.
Definition: OgreVector4.h:393
Ogre::Vector3
Standard 3-dimensional vector.
Definition: OgreVector3.h:51
Ogre::Vector4::ZERO
static const Vector4 ZERO
Definition: OgreVector4.h:411
Ogre::Vector4::ptr
const Real * ptr() const
Pointer accessor for direct copying.
Definition: OgreVector4.h:128
OgrePrerequisites.h
Ogre::Vector3::y
Real y
Definition: OgreVector3.h:54
Ogre::operator!=
bool operator!=(STLAllocator< T, P > const &, STLAllocator< T2, P > const &)
determine equality, can memory from another allocator be released by this allocator, (ISO C++)
Definition: OgreMemorySTLAllocator.h:202
Ogre::Vector4::swap
void swap(Vector4 &other)
Exchange the contents of this vector with another.
Definition: OgreVector4.h:100
std::swap
void swap(Ogre::SmallVectorImpl< T > &LHS, Ogre::SmallVectorImpl< T > &RHS)
Implement std::swap in terms of SmallVector swap.
Definition: OgreSmallVector.h:802
Ogre::Vector4::Vector4
Vector4(const Real afCoordinate[4])
Definition: OgreVector4.h:64
Ogre::Vector4::ptr
Real * ptr()
Pointer accessor for direct copying.
Definition: OgreVector4.h:123
Ogre::Vector3::x
Real x
Definition: OgreVector3.h:54
Ogre
Definition: OgreAndroidLogListener.h:34
Ogre::Vector4::x
Real x
Definition: OgreVector4.h:48
Ogre::Vector4::Vector4
Vector4(const int afCoordinate[4])
Definition: OgreVector4.h:72
Ogre::Vector4::y
Real y
Definition: OgreVector4.h:48
Ogre::operator==
bool operator==(STLAllocator< T, P > const &, STLAllocator< T2, P > const &)
determine equality, can memory from another allocator be released by this allocator, (ISO C++)
Definition: OgreMemorySTLAllocator.h:184
Ogre::operator/
Radian operator/(Real a, const Radian &b)
Definition: OgreMath.h:752
Ogre::Vector4::Vector4
Vector4(const Vector3 &rhs)
Definition: OgreVector4.h:93
Ogre::operator*
Radian operator*(Real a, const Radian &b)
Definition: OgreMath.h:747

Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.