OpenSceneGraph
3.0.1
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General purpose float pair. More...
Public Types | |
enum | { num_components = 2 } |
Number of vector components. More... | |
typedef float | value_type |
Data type of vector components. | |
Public Member Functions | |
Vec2f () | |
Constructor that sets all components of the vector to zero. | |
Vec2f (value_type x, value_type y) | |
bool | operator== (const Vec2f &v) const |
bool | operator!= (const Vec2f &v) const |
bool | operator< (const Vec2f &v) const |
value_type * | ptr () |
const value_type * | ptr () const |
void | set (value_type x, value_type y) |
value_type & | operator[] (int i) |
value_type | operator[] (int i) const |
value_type & | x () |
value_type & | y () |
value_type | x () const |
value_type | y () const |
bool | valid () const |
Returns true if all components have values that are not NaN. | |
bool | isNaN () const |
Returns true if at least one component has value NaN. | |
value_type | operator* (const Vec2f &rhs) const |
Dot product. | |
const Vec2f | operator* (value_type rhs) const |
Multiply by scalar. | |
Vec2f & | operator*= (value_type rhs) |
Unary multiply by scalar. | |
const Vec2f | operator/ (value_type rhs) const |
Divide by scalar. | |
Vec2f & | operator/= (value_type rhs) |
Unary divide by scalar. | |
const Vec2f | operator+ (const Vec2f &rhs) const |
Binary vector add. | |
Vec2f & | operator+= (const Vec2f &rhs) |
Unary vector add. | |
const Vec2f | operator- (const Vec2f &rhs) const |
Binary vector subtract. | |
Vec2f & | operator-= (const Vec2f &rhs) |
Unary vector subtract. | |
const Vec2f | operator- () const |
Negation operator. | |
value_type | length () const |
Length of the vector = sqrt( vec . | |
value_type | length2 (void) const |
Length squared of the vector = vec . | |
value_type | normalize () |
Normalize the vector so that it has length unity. | |
Public Attributes | |
value_type | _v [2] |
Vec member variable. |
General purpose float pair.
Uses include representation of texture coordinates. No support yet added for float * Vec2f - is it necessary? Need to define a non-member non-friend operator* etc. BTW: Vec2f * float is okay
typedef float osg::Vec2f::value_type |
Data type of vector components.
osg::Vec2f::Vec2f | ( | ) | [inline] |
Constructor that sets all components of the vector to zero.
References _v.
Referenced by operator*(), operator/(), operator+(), and operator-().
osg::Vec2f::Vec2f | ( | value_type | x, |
value_type | y | ||
) | [inline] |
bool osg::Vec2f::isNaN | ( | ) | const [inline] |
value_type osg::Vec2f::length | ( | ) | const [inline] |
value_type osg::Vec2f::length2 | ( | void | ) | const [inline] |
value_type osg::Vec2f::normalize | ( | ) | [inline] |
value_type osg::Vec2f::operator* | ( | const Vec2f & | rhs | ) | const [inline] |
Dot product.
References _v.
const Vec2f osg::Vec2f::operator* | ( | value_type | rhs | ) | const [inline] |
Vec2f& osg::Vec2f::operator*= | ( | value_type | rhs | ) | [inline] |
Unary multiply by scalar.
References _v.
const Vec2f osg::Vec2f::operator- | ( | ) | const [inline] |
const Vec2f osg::Vec2f::operator/ | ( | value_type | rhs | ) | const [inline] |
Vec2f& osg::Vec2f::operator/= | ( | value_type | rhs | ) | [inline] |
Unary divide by scalar.
References _v.
value_type& osg::Vec2f::operator[] | ( | int | i | ) | [inline] |
References _v.
value_type osg::Vec2f::operator[] | ( | int | i | ) | const [inline] |
References _v.
value_type* osg::Vec2f::ptr | ( | ) | [inline] |
References _v.
const value_type* osg::Vec2f::ptr | ( | ) | const [inline] |
References _v.
void osg::Vec2f::set | ( | value_type | x, |
value_type | y | ||
) | [inline] |
bool osg::Vec2f::valid | ( | ) | const [inline] |
Returns true if all components have values that are not NaN.
References isNaN().
value_type& osg::Vec2f::x | ( | ) | [inline] |
References _v.
Referenced by osg::Image::getColor(), Vec2f(), set(), osgParticle::Interpolator::interpolate(), osgTerrain::ValidDataOperator::operator()(), osgWidget::Widget::setOrigin(), osgWidget::Widget::setSize(), osgWidget::Widget::setTexCoord(), osgWidget::Widget::setTexCoordRegion(), osgWidget::Widget::addOrigin(), osgWidget::Widget::addSize(), osgWidget::Widget::setMinimumSize(), osgWidget::Widget::getImageColorAtXY(), osgWidget::Window::isPointerXYWithinVisible(), and osgWidget::Window::setOrigin().
value_type osg::Vec2f::x | ( | ) | const [inline] |
References _v.
value_type& osg::Vec2f::y | ( | ) | [inline] |
References _v.
Referenced by osg::Image::getColor(), Vec2f(), set(), osgParticle::Interpolator::interpolate(), osgTerrain::ValidDataOperator::operator()(), osgWidget::Widget::setOrigin(), osgWidget::Widget::setSize(), osgWidget::Widget::setTexCoord(), osgWidget::Widget::setTexCoordRegion(), osgWidget::Widget::addOrigin(), osgWidget::Widget::addSize(), osgWidget::Widget::setMinimumSize(), osgWidget::Widget::getImageColorAtXY(), osgWidget::Window::isPointerXYWithinVisible(), and osgWidget::Window::setOrigin().
value_type osg::Vec2f::y | ( | ) | const [inline] |
References _v.
Vec member variable.
Referenced by osg::operator<<(), osg::operator>>(), osg::Vec2d::Vec2d(), Vec2f(), operator==(), operator!=(), operator<(), ptr(), set(), operator[](), x(), y(), isNaN(), operator*(), operator*=(), operator/(), operator/=(), operator+(), operator+=(), operator-(), operator-=(), length(), length2(), and normalize().
![]() | Generated at Mon Oct 3 2011 12:39:45 for the OpenSceneGraph by doxygen 1.7.5. |