#include <IcePlane.h>

Public Member Functions
inline_	Plane ()
	Constructor. More...

inline_	Plane (float nx, float ny, float nz, float d)
	Constructor from a normal and a distance. More...

inline_	Plane (const Point &p, const Point &n)
	Constructor from a point on the plane and a normal. More...

inline_	Plane (const Point &p0, const Point &p1, const Point &p2)
	Constructor from three points. More...

inline_	Plane (const Point &_n, float _d)
	Constructor from a normal and a distance. More...

inline_	Plane (const Plane &plane)
	Copy constructor. More...

inline_	~Plane ()
	Destructor. More...

inline_ Plane &	Zero ()

inline_ Plane &	Set (float nx, float ny, float nz, float _d)

inline_ Plane &	Set (const Point &p, const Point &_n)

Plane &	Set (const Point &p0, const Point &p1, const Point &p2)

inline_ float	Distance (const Point &p) const

inline_ bool	Belongs (const Point &p) const

inline_ void	Normalize ()

inline_	operator Point () const

inline_	operator HPoint () const

inline_ Plane	operator* (const Matrix4x4 &m) const

inline_ Plane &	operator*= (const Matrix4x4 &m)

Public Attributes
Point	n
	The normal to the plane. More...

float	d
	The distance from the origin. More...

Detailed Description

Plane class.

Author: Pierre Terdiman

Version: 1.0

Definition at line 17 of file IcePlane.h.

Constructor & Destructor Documentation

inline_ Plane::Plane ( )

inline

Constructor.

Definition at line 21 of file IcePlane.h.

21 { }

inline_ Plane::Plane	(	float	nx,
		float	ny,
		float	nz,
		float	d
	)

inline

Constructor from a normal and a distance.

Definition at line 23 of file IcePlane.h.

23 { Set(nx, ny, nz, d); }

inline_ Plane::Plane	(	const Point &	p,
		const Point &	n
	)

inline

Constructor from a point on the plane and a normal.

Definition at line 25 of file IcePlane.h.

25 { Set(p, n); }

inline_ Plane::Plane	(	const Point &	p0,
		const Point &	p1,
		const Point &	p2
	)

inline

Constructor from three points.

Definition at line 27 of file IcePlane.h.

27 { Set(p0, p1, p2); }

inline_ Plane::Plane	(	const Point &	_n,
		float	_d
	)

inline

Constructor from a normal and a distance.

Definition at line 29 of file IcePlane.h.

References d.

29 { n = _n; d = _d; }

inline_ Plane::Plane ( const Plane & plane)

inline

Copy constructor.

Definition at line 31 of file IcePlane.h.

References d.

31 : n(plane.n), d(plane.d) { }

inline_ Plane::~Plane ( )

inline

Destructor.

Definition at line 33 of file IcePlane.h.

33 { }

Member Function Documentation

inline_ bool Plane::Belongs ( const Point & p) const

inline

Definition at line 41 of file IcePlane.h.

References PLANE_EPSILON.

41 { return fabsf(Distance(p)) < PLANE_EPSILON; }

inline_ float Plane::Distance ( const Point & p) const

inline

Definition at line 40 of file IcePlane.h.

References d.

40 { return (p | n) + d; }

inline_ void Plane::Normalize ( )

inline

Definition at line 43 of file IcePlane.h.

References d.

                         {
                             float Denom = 1.0f / n.Magnitude();
                             n.x *= Denom;
                             n.y *= Denom;
                             n.z *= Denom;
                             d   *= Denom;
                         }

inline_ Plane::operator HPoint ( ) const

inline

Definition at line 58 of file IcePlane.h.

References d.

58 { return HPoint(n, d); }

inline_ Plane::operator Point ( ) const

inline

Definition at line 57 of file IcePlane.h.

57 { return n; }

inline_ Plane Plane::operator* ( const Matrix4x4 & m) const

inline

Definition at line 61 of file IcePlane.h.

                         {
                             // Old code from Irion. Kept for reference.
                             Plane Ret(*this);
                             return Ret *= m;
                         }

inline_ Plane& Plane::operator*= ( const Matrix4x4 & m)

inline

Definition at line 68 of file IcePlane.h.

References d, and f.

                         {
                             // Old code from Irion. Kept for reference.
                             Point n2 = HPoint(n, 0.0f) * m;
                             d = -((Point) (HPoint( -d*n, 1.0f ) * m) | n2);
                             n = n2;
                             return *this;
                         }

inline_ Plane& Plane::Set	(	float	nx,
		float	ny,
		float	nz,
		float	_d
	)

inline

Definition at line 36 of file IcePlane.h.

References d, and Set().

Referenced by Set().

36 { n.Set(nx, ny, nz); d = _d; return *this; }

inline_ Plane& Plane::Set	(	const Point &	p,
		const Point &	_n
	)

inline

Definition at line 37 of file IcePlane.h.

References d.

37 { n = _n; d = - p | _n; return *this; }

Plane& Plane::Set	(	const Point &	p0,
		const Point &	p1,
		const Point &	p2
	)

inline_ Plane& Plane::Zero ( )

inline

Definition at line 35 of file IcePlane.h.

References d, and Zero().

Referenced by Zero().

35 { n.Zero(); d = 0.0f; return *this; }

Member Data Documentation

float Plane::d

The distance from the origin.

Definition at line 54 of file IcePlane.h.

Point Plane::n

The normal to the plane.

Definition at line 53 of file IcePlane.h.

The documentation for this class was generated from the following file:

src/cmd/collide2/Ice/IcePlane.h

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation