This reference page is linked to from the following overview topics: Mudbox 2013.

Detailed Description

Definition at line 17 of file nurbs.h.

#include <nurbs.h>

Inheritance diagram for NURBSCurve:

Classes
struct	ChordLength
Public Member Functions
	NURBSCurve (int iDegree=2, bool bFalloff=false)
	~NURBSCurve (void)
bool	operator== (const NURBSCurve &) const throw ()
bool	operator!= (const NURBSCurve &v) const throw ()
void	SetVisible (bool bVisible)
	Sets the node visibility Should be overridden in derived classes.
bool	Visible (void)
bool	AddCP (const Vector &v, int iIndex=-1)
void	RemoveCP (unsigned int iIndex)
void	MoveCP (unsigned int iIndex, const Vector &v)
void	Interpolate (const QList< CurvePoint > &points)
void	RecalcKnots (void)
int	GetDegree (void)
void	SetDegree (int iDegree)
Matrix	GetMatrix (void)
void	Display (bool bScreen=true)
void	Render ()
	Virtual render method.
void	Recalculate ()
void	ProjectPoint (const Vector &vOrig, float fGuess, float &u, Vector &vProjected, float fMin=0.001f, float fMax=0.001f, int iMaxTry=100) const
void	BasisFunction (float u, int i, Store< float > &N) const
void	DeriveBasisFunction (int n, float u, int span, Store< Store< float > > &aDerF) const
int	FindSpan (float u) const
void	DeriveAt (float u, int iDeg, Store< Vector > &aDerivs) const
float	GetMaxParam (void) const
Vector	operator() (float u) const
void	Serialize (Stream &s)
	Serialize the node.
Vector	TransformToWorld (const Vector &v)
Vector	TransformToLocal (const Vector &v)
NURBSCurve &	operator= (const NURBSCurve &c)
void	PrecalculateValues (void)
void	CalculateChordLengths (void)
float	GetChordPos (float fLength)
void	Close (void)
Public Attributes
	DECLARE_CLASS
int	m_iCPs
int	m_iSelectedCP
bool	m_bEdited
bool	m_bVisible
bool	m_bClosed
bool	m_bPrecalculated
float	m_fTotalLength
float	m_fPosX
float	m_fPosY
float	m_fAngle
float	m_fScale
QString	m_sName
Store< Vector >	m_aCPs
Store< float >	m_aKnots
Store< float >	m_aPrecalc
NURBSCurve *	m_pFalloff
Protected Member Functions
void	CalculateChordLength (float fStart, float fEnd)
Protected Attributes
int	m_iDegree
Store< ChordLength >	m_aChordLengths

Constructor & Destructor Documentation

NURBSCurve	(	int	iDegree = `2`,
		bool	bFalloff = `false`
	)

~NURBSCurve ( void )

Member Function Documentation

bool operator== ( const NURBSCurve & ) const throw () [inline]

Definition at line 25 of file nurbs.h.

{ return false; };

bool operator!= ( const NURBSCurve & v ) const throw () [inline]

Definition at line 26 of file nurbs.h.

{ return !operator ==( v ); };

void SetVisible ( bool b ) [inline, virtual]

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Sets the node visibility Should be overridden in derived classes.

Reimplemented from TreeNode.

Definition at line 28 of file nurbs.h.

{ m_bVisible = bVisible; };

bool Visible ( void ) [inline]

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Definition at line 29 of file nurbs.h.

{ return m_bVisible; };

bool AddCP	(	const Vector &	v,
		int	iIndex = `-1`
	)

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void RemoveCP ( unsigned int iIndex )

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void MoveCP	(	unsigned int	iIndex,
		const Vector &	v
	)

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void Interpolate ( const QList< CurvePoint > & points )

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void RecalcKnots ( void )

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int GetDegree ( void ) [inline]

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Definition at line 35 of file nurbs.h.

{ return m_iDegree; };

void SetDegree ( int iDegree )

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Matrix GetMatrix ( void )

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void Display ( bool bScreen = true )

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void Render ( ) [virtual]

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Virtual render method.

Reimplemented from CurveBase.

void Recalculate ( )

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void ProjectPoint	(	const Vector &	vOrig,
		float	fGuess,
		float &	u,
		Vector &	vProjected,
		float	fMin = `0.001f`,
		float	fMax = `0.001f`,
		int	iMaxTry = `100`
	)		const

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void BasisFunction	(	float	u,
		int	i,
		Store< float > &	N
	)		const

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void DeriveBasisFunction	(	int	n,
		float	u,
		int	span,
		Store< Store< float > > &	aDerF
	)		const

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int FindSpan ( float u ) const

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void DeriveAt	(	float	u,
		int	iDeg,
		Store< Vector > &	aDerivs
	)		const

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float GetMaxParam ( void ) const [inline]

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Definition at line 46 of file nurbs.h.

    {
        if( m_aKnots.ItemCount() == 0 )
            return 0.0f;
        return m_aKnots[m_aKnots.ItemCount()-1];
    };

Vector operator() ( float u ) const [inline]

Definition at line 52 of file nurbs.h.

    {
        Vector v;
        if( m_iCPs <= m_iDegree )
            return v;

        Store<float> aN( "NURBSCurve temp" );
        int iSpan = FindSpan(u);
        BasisFunction( u, iSpan, aN );

        for( int i = m_iDegree; i >= 0; --i )
        {
            v += aN[i] * m_aCPs[iSpan-m_iDegree+i];
        };
        return v;
    };

void Serialize ( Stream & s ) [virtual]

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Serialize the node.

Reimplemented from CurveBase.

Vector TransformToWorld ( const Vector & v ) [inline]

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Definition at line 69 of file nurbs.h.

    {
        Matrix m = GetMatrix();
        return m.Transform( v );
    };

Vector TransformToLocal ( const Vector & v ) [inline]

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Definition at line 74 of file nurbs.h.

    {
        Matrix m = GetMatrix();
        m.Invert();
        return m.Transform( v );
    };

NURBSCurve& operator= ( const NURBSCurve & c ) [inline]

Definition at line 80 of file nurbs.h.

    {
        m_iDegree = c.m_iDegree;
        m_iCPs = c.m_iCPs;
        m_iSelectedCP = c.m_iSelectedCP;
        m_bEdited = c.m_bEdited;
        m_bVisible = c.m_bVisible;
        m_bClosed = c.m_bClosed;
        m_bPrecalculated = c.m_bPrecalculated;
        m_fTotalLength = c.m_fTotalLength;
        m_fPosX = c.m_fPosX;
        m_fPosY = c.m_fPosY;
        m_fAngle = c.m_fAngle;
        m_fScale = c.m_fScale;
        m_sName = c.m_sName;
        if( !m_pFalloff && c.m_pFalloff )
            m_pFalloff = new NURBSCurve( 3, false );
        if( c.m_pFalloff )
            *m_pFalloff = *(c.m_pFalloff);
        c.m_aCPs.Clone( m_aCPs );
        c.m_aKnots.Clone( m_aKnots );
        c.m_aPrecalc.Clone( m_aPrecalc );
        return *this;
    };