X3DTK::SFPoint2f Class Reference
[base]

Class declared in <X3DTK/kernel.h> providing a 2D point. More...

List of all members.

Public Member Functions

• SFPoint2f ()
• SFPoint2f (float x, float y)
• SFPoint2f (const SFPoint2f &p)
• SFPoint2f & operator= (const SFPoint2f &v)
• SFPoint2f & operator+= (const SFVec2f &v)
• SFPoint2f & operator+= (const SFPoint2f &v)
• SFPoint2f & operator-= (const SFVec2f &v)
• SFPoint2f (const SFString &s)
• SFPoint2f (const SFVec2f &V)
• float & operator[] (int i)
• const float & operator[] (int i) const
• float * f_data ()
• const float * f_data () const
• operator float * ()
• operator const float * () const

Public Attributes

• float x
• float y

Static Public Attributes

• const SFPoint2f null

Friends

• SFPoint2f operator+ (const SFPoint2f &v1, const SFVec2f &v2)
• SFPoint2f operator+ (const SFPoint2f &v1, const SFPoint2f &v2)
• SFPoint2f operator- (const SFPoint2f &v1, const SFVec2f &v2)
• SFVec2f operator- (const SFPoint2f &v1, const SFPoint2f &v2)
• SFPoint2f operator * (const float a, const SFPoint2f &v)
• float distance (const SFPoint2f &A, const SFPoint2f &B)

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Detailed Description

Class declared in <X3DTK/kernel.h> providing a 2D point.

SFPoint2f is a point in an affin space, which is different from a vector represented by the SFVec2f class.

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Constructor & Destructor Documentation

X3DTK::SFPoint2f::SFPoint2f (   )

Constructor.

X3DTK::SFPoint2f::SFPoint2f (  float  x, float  y )

Constructor with x, y and z coordinates in parameters.

X3DTK::SFPoint2f::SFPoint2f (  const SFPoint2f &  p  )

Copy constructor.

X3DTK::SFPoint2f::SFPoint2f (  const SFString &  s  )  [explicit]

Explicit constructor from a string of which format is "x y".

X3DTK::SFPoint2f::SFPoint2f (  const SFVec2f &  V  )  [explicit]

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Member Function Documentation

const float* X3DTK::SFPoint2f::f_data (   )  const [inline]

Returns the pointed array.

float* X3DTK::SFPoint2f::f_data (   )  [inline]

Returns the pointed array.

X3DTK::SFPoint2f::operator const float * (   )  const [inline]

Returns the pointed array.

X3DTK::SFPoint2f::operator float * (   )  [inline]

Returns the pointed array.

SFPoint2f& X3DTK::SFPoint2f::operator+= (  const SFPoint2f &  v  )

Overloaded operator.

SFPoint2f& X3DTK::SFPoint2f::operator+= (  const SFVec2f &  v  )

Overloaded operator.

SFPoint2f& X3DTK::SFPoint2f::operator-= (  const SFVec2f &  v  )

Overloaded operator.

SFPoint2f& X3DTK::SFPoint2f::operator= (  const SFPoint2f &  v  )

Overloaded assignment operator.

const float& X3DTK::SFPoint2f::operator[] (  int  i  )  const [inline]

Bracket operator.

float& X3DTK::SFPoint2f::operator[] (  int  i  )  [inline]

Bracket operator.

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Friends And Related Function Documentation

float distance (  const SFPoint2f &  A, const SFPoint2f &  B )  [friend]

Returns the distance between the points A and B.

SFPoint2f operator * (  const float  a, const SFPoint2f &  v )  [friend]

Overloaded operator*.

SFPoint2f operator+ (  const SFPoint2f &  v1, const SFPoint2f &  v2 )  [friend]

Overloaded operator+.

SFPoint2f operator+ (  const SFPoint2f &  v1, const SFVec2f &  v2 )  [friend]

Overloaded operator+.

SFVec2f operator- (  const SFPoint2f &  v1, const SFPoint2f &  v2 )  [friend]

Overloaded operator-.

SFPoint2f operator- (  const SFPoint2f &  v1, const SFVec2f &  v2 )  [friend]

Overloaded operator-.

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Member Data Documentation

const SFPoint2f X3DTK::SFPoint2f::null [static]

Origin point.

float X3DTK::SFPoint2f::x

x coordinates.

float X3DTK::SFPoint2f::y

y coordinates.

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