SLPlane Class Reference

Defines a plane in 3D space with the equation ax + by + cy + d = 0. More...

#include <SLPlane.h>

Public Member Functions
	SLPlane (const SLVec3f &v1, const SLVec3f &v2, const SLVec3f &v3)
	SLPlane ()
	~SLPlane ()
void	setPoints (const SLVec3f &v1, const SLVec3f &v2, const SLVec3f &v3)
void	setNormalAndPoint (const SLVec3f &N, const SLVec3f &P)
void	setCoefficients (const SLfloat A, const SLfloat B, const SLfloat C, const SLfloat D)
SLfloat	distToPoint (const SLVec3f &p)
	Returns distance between a point P and the plane. More...
void	print (const char *name)

Public Attributes
SLVec3f	N
	plane normal More...
SLfloat	d
	d = -(ax+by+cy) = -normal.dot(point) More...

Detailed Description

Defines a plane in 3D space with the equation ax + by + cy + d = 0.

SLPlane defines a plane in 3D space with the equation ax + by + cy + d = 0 where [a,b,c] is the plane normal and d is the distance from [0,0,0]. The class is used to define the 6 planes of the view frustum.

Constructor & Destructor Documentation

SLPlane() [1/2]

SLPlane::SLPlane	(	const SLVec3f &	v0,
		const SLVec3f &	v1,
		const SLVec3f &	v2
	)

SLPlane::SLPlane ctor with 3 points

SLPlane() [2/2]

SLPlane::SLPlane ( )

inline

~SLPlane()

SLPlane::~SLPlane ( )

inline

Member Function Documentation

distToPoint()

SLfloat SLPlane::distToPoint ( const SLVec3f &  p )

inline

Returns distance between a point P and the plane.

print()

void SLPlane::print

(

const char *

name

)

SLPlane::print prints the normal and the coefficent d

setCoefficients()

void SLPlane::setCoefficients	(	const SLfloat	A,
		const SLfloat	B,
		const SLfloat	C,
		const SLfloat	D
	)

SLPlane::setByCoefficients defines the plane by the coefficient A,B,C & D

setNormalAndPoint()

void SLPlane::setNormalAndPoint	(	const SLVec3f &	normal,
		const SLVec3f &	P
	)

SLPlane::setByNormalAndPoint defines the plane by a normal N and a point P

setPoints()

void SLPlane::setPoints	(	const SLVec3f &	v0,
		const SLVec3f &	v1,
		const SLVec3f &	v2
	)

SLPlane::setFromPoints set the plane from 3 points

Member Data Documentation

d

SLfloat SLPlane::d

d = -(ax+by+cy) = -normal.dot(point)

N

SLVec3f SLPlane::N

plane normal

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

• SLPlane.h
• SLPlane.cpp