Public Types
enum	IntersectionTarget { Line, LineSegment, Ray }

typedef VectorT< Scalar, 3 >	Vec3
	typedefs

typedef VectorT< Scalar, 4 >	Vec4

typedef Matrix4x4T< Scalar >	Mat4x4

Public Member Functions
	PlaneT (Scalar _a=0, Scalar _b=0, Scalar _c=0, Scalar _d=0)
	constructor: coefficients

	PlaneT (const Vec3 &_o, const Vec3 &_n)
	constructor: origin and normal

	PlaneT (const Vec3 &_v0, const Vec3 &_v1, const Vec3 &_v2)
	constructor: 3 points

Vec3	normal () const
	normal vector

const Vec4 &	coeffs () const
	coeffitients

Scalar	distance (const Vec3 &_v) const
	signed distance point-plane

bool	operator() (const Vec3 &_v) const
	predicate: above plane

bool	intersect_line (const Vec3 &_v0, const Vec3 &_v1, Vec3 &_v, Scalar &_t) const

bool	intersect_ray (const Vec3 &_v0, const Vec3 &_v1, Vec3 &_v, Scalar &_t) const

bool	intersect_linesegment (const Vec3 &_v0, const Vec3 &_v1, Vec3 &_v, Scalar &_t) const

bool	intersect (const Vec3 &_v0, const Vec3 &_v1, Vec3 &_v, Scalar &_t, IntersectionTarget _target) const
	General intersection function. More...

bool	affine_transformation (const Mat4x4 &_M)
	affine transformation of the plane

void	affine_transformation_precomp (const Mat4x4 &_M_inverseTransposed)
	affine transformation of the plane (M^{-T} precomputed)

Detailed Description

This class stores a plane in normal form and provides useful algorithms for left/right test, itersection, and so on.

Definition at line 88 of file PlaneT.hh.

Member Function Documentation

template<typename Scalar >

bool ACG::Geometry::PlaneT< Scalar >::intersect	(	const Vec3 &	_v0,
		const Vec3 &	_v1,
		Vec3 &	_v,
		Scalar &	_t,
		IntersectionTarget	_target
	)		const

inline

General intersection function.

General intersection between a line/ray and the plane.

Parameters

_v0	start vector of the ray
_v1	end vector of the ray
_v	returned intersection point
_t	returned relative distance from the interection to _v0 compared to _v1
_target	type of intersection to test

Definition at line 170 of file PlaneT.hh.

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