IRdVertex Interface Reference

Inherits IUnknown.

List of all members.

Public Member Functions
HRESULT	Normalize ()
HRESULT	GetLength ([out, retval] RtFloat *pVal)
HRESULT	DotProduct ([in] RtFloat fCoef)
HRESULT	Add ([in] IRdVertex *pV)
HRESULT	Sub ([in] IRdVertex *pV)
HRESULT	GetDistanceFrom ([in] IRdVertex *pV,[out, retval] RtFloat *pVal)
HRESULT	SProduct ([in] IRdVertex *pV,[out, retval] RtFloat *pVal)
HRESULT	XProduct ([in] IRdVertex *pV,[out, retval] IRdVertex **pCross)
Properties
RtFloat *	x [get]
RtFloat	x [set]
RtFloat *	y [get]
RtFloat	y [set]
RtFloat *	z [get]
RtFloat	z [set]

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Detailed Description

The IRdVertex object represents vector or point in 3D space

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Member Function Documentation

HRESULT IRdVertex::Normalize

(

)

Normalizes vector to unit length

HRESULT IRdVertex::GetLength

(

[out, retval] RtFloat *

pVal

)

Returns length of vector

Parameters:

pVal

length of vector

HRESULT IRdVertex::DotProduct

(

[in] RtFloat

fCoef

)

Multiplies vector by scalar coefficient

Parameters:

fCoef

scalar coefficient

HRESULT IRdVertex::Add

(

[in] IRdVertex *

pV

)

Adds vector

Parameters:

pV

vector to add

HRESULT IRdVertex::Sub

(

[in] IRdVertex *

pV

)

Subtracts vector

Parameters:

pV

vector to subtract

HRESULT IRdVertex::GetDistanceFrom	(	[in] IRdVertex *	pV,
		[out, retval] RtFloat *	pVal
	)

Returns distance from given point

Parameters:

	pV	point
	pVal	distance

HRESULT IRdVertex::SProduct	(	[in] IRdVertex *	pV,
		[out, retval] RtFloat *	pVal
	)

Returns dot product with an arbitrary vector

Parameters:

	pV	vector
	pVal	dot product

HRESULT IRdVertex::XProduct	(	[in] IRdVertex *	pV,
		[out, retval] IRdVertex **	pCross
	)

Returns cross product with an arbitrary vector

Parameters:

	pV	vector
	pCross	cross product

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Property Documentation

RtFloat* IRdVertex::x [get]

Gets x coordinate

Parameters:

pVal

x coordinate

RtFloat IRdVertex::x [set]

Sets x coordinate

Parameters:

pVal

x coordinate

RtFloat* IRdVertex::y [get]

Gets y coordinate

Parameters:

pVal

y coordinate

RtFloat IRdVertex::y [set]

Sets y coordinate

Parameters:

pVal

y coordinate

RtFloat* IRdVertex::z [get]

Gets z coordinate

Parameters:

pVal

z coordinate

RtFloat IRdVertex::z [set]

Sets z coordinate

Parameters:

pVal

z coordinate