K3dDistance Class Reference

#include <K3dDistance.h>

Inheritance diagram for K3dDistance:

List of all members.

Public Member Functions
	K3dDistance (K3dGameData *_pGameData)
	~K3dDistance ()
float	Points (const K3dVector3Obj &_rkV0, const K3dVector3Obj &_rkV1)
	Calculate distance between two poins.
float	SqrPointRay (const K3dVector3Obj &_rkPoint, const K3dRay &_rkRay, float *_pfParam=NULL)
	Calculate squared distance between point and ray.
int	PointPlane (const K3dPlane &_rkPlane, const K3dVector3 &_rkPoint)
	By plane equation "Ax + By + Cz - D = 0" calculate point of plane distance A, B, C is normal vector of plane D is plane distance of origin x, y, z is any camera position on the plane Calculate distance between point and plane.
int	DistLinePlane (const K3dPlane &_rkPlane, const K3dVector3 &_rkLineOrigin, const K3dVector3 &_rkLineDirection)
	Calculate distance between line and plane.
Private Attributes
K3dGameData *	m_pGameData
	Global game data, data centered game system.

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Detailed Description

Definition at line 41 of file K3dDistance.h.

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Constructor & Destructor Documentation

K3dDistance::K3dDistance

(

K3dGameData *

_pGameData

)

Definition at line 36 of file K3dDistance.cpp.

References m_pGameData.

K3dDistance::~K3dDistance

(

)

Definition at line 41 of file K3dDistance.cpp.

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Member Function Documentation

float K3dDistance::Points	(	const K3dVector3Obj &	_rkV0,
		const K3dVector3Obj &	_rkV1
	)			[inline]

Calculate distance between two poins.

Definition at line 49 of file K3dDistance.h.

References K3dSceneData::GetVector3Work(), K3dVector3Work::Length(), m_pGameData, and K3dVector3Work::VectorBetween().

Referenced by K3dObjectWork::GetDistance().

float K3dDistance::SqrPointRay	(	const K3dVector3Obj &	_rkPoint,
		const K3dRay &	_rkRay,
		float *	_pfParam = NULL
	)			[inline]

Calculate squared distance between point and ray.

Definition at line 59 of file K3dDistance.h.

References K3dVector3Work::Dot(), K3dRay::GetDirection(), K3dRay::GetOrigin(), K3dSceneData::GetVector3Work(), m_pGameData, and K3dVector3Work::SquaredLength().

Referenced by K3dIntrLinSph::RaySphere().

int K3dDistance::PointPlane	(	const K3dPlane &	_rkPlane,
		const K3dVector3 &	_rkPoint
	)			[inline]

By plane equation "Ax + By + Cz - D = 0" calculate point of plane distance A, B, C is normal vector of plane D is plane distance of origin x, y, z is any camera position on the plane Calculate distance between point and plane.

Parameters:

	_rkPlane	Input plane
	_rkPoint	Input point

Return values:

int

Rounded distance between point and plane

Definition at line 99 of file K3dDistance.h.

References K3dPlane::GetDistance(), and K3dPlane::GetNormal().

Referenced by K3dVorBsp::CalcFrontBackVertices(), K3dCutPoly::CalcNewEdges(), K3dPolyPlaneBuild::CalcVertsOnPlane(), K3dConvex::CheckConvexPlane(), K3dConvex::CheckEdge(), K3dPlaneWork::ComparePlane(), K3dCutEdge::CutEdge(), K3dCutPoly::DeleteOpositePlane(), DistLinePlane(), K3dVorBsp::FindNearestVertex(), K3dIntrLinePlane::LinePlane(), and K3dIntersection::RayPlane().

int K3dDistance::DistLinePlane	(	const K3dPlane &	_rkPlane,
		const K3dVector3 &	_rkLineOrigin,
		const K3dVector3 &	_rkLineDirection
	)			[inline]

Calculate distance between line and plane.

Return values:

	1	If line lies on plane front side
	-1	If line lies on plane back side
	-1	If line intersect the plane

Definition at line 115 of file K3dDistance.h.

References PointPlane(), and K3dMath::Sign().

Referenced by K3dCutPoly::DeleteOpositeEdges().

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Member Data Documentation

K3dGameData* K3dDistance::m_pGameData [private]

Global game data, data centered game system.

Reimplemented in K3dIntersection, K3dIntrLinePlane, K3dIntrLinSph, K3dScene, and K3dMngSystem.

Definition at line 43 of file K3dDistance.h.

Referenced by K3dDistance(), Points(), and SqrPointRay().

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

• /home/kwan/work/kengine/branches/k3dengine-kwan/K3dEngine_1_0/src/K3dEngine/MathCore/K3dDistance.h
• /home/kwan/work/kengine/branches/k3dengine-kwan/K3dEngine_1_0/src/K3dEngine/MathCore/K3dDistance.cpp

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