com.piro.bezier.Bezier Class Reference

Public Member Functions
	Bezier (float sx, float sy, float[] coords, int numCoords)
void	setCoords (float sx, float sy, float[] coords, int numCoords)
float	getLength ()
Vector2	getFinalPoint (Vector2 point)

Private Member Functions
void	calcLength ()
float	lineLength (float x1, float y1, float x2, float y2)
double	bernstein (int numKnots, int knotNo, double param)
int	choose (int num, int denom)

Detailed Description

Class that represents a Bèzier curve

Definition at line 10 of file Bezier.java.

Constructor & Destructor Documentation

Bezier()

com.piro.bezier.Bezier.Bezier	(	float	sx,
		float	sy,
		float[]	coords,
		int	numCoords
	)

Definition at line 15 of file Bezier.java.

References com.piro.bezier.Bezier.setCoords().

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Member Function Documentation

bernstein()

double com.piro.bezier.Bezier.bernstein ( int  numKnots, int  knotNo, double  param  )

private

Calculates the bernstein polynomial for evaluating parametric bezier

Parameters

numKnots	- one less than number of knots in this curve hull
knotNo	- knot we are evaluating Bernstein for
param	- Parametric value we are evaluating at

Definition at line 87 of file Bezier.java.

References com.piro.bezier.Bezier.choose().

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calcLength()

void com.piro.bezier.Bezier.calcLength ( )

private

Definition at line 42 of file Bezier.java.

References com.piro.bezier.Bezier.lineLength().

Referenced by com.piro.bezier.Bezier.setCoords().

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choose()

int com.piro.bezier.Bezier.choose ( int  num, int  denom  )

private

Definition at line 153 of file Bezier.java.

Referenced by com.piro.bezier.Bezier.bernstein().

getFinalPoint()

Vector2 com.piro.bezier.Bezier.getFinalPoint

(

Vector2

point

)

Definition at line 57 of file Bezier.java.

References com.piro.bezier.Vector2.x, and com.piro.bezier.Vector2.y.

getLength()

float com.piro.bezier.Bezier.getLength

(

)

Retuns aproximation of the length of the bezier

Definition at line 37 of file Bezier.java.

Referenced by com.piro.bezier.BezierListProducer.curvetoCubicAbs(), com.piro.bezier.BezierListProducer.curvetoCubicSmoothAbs(), com.piro.bezier.BezierListProducer.curvetoQuadraticAbs(), com.piro.bezier.BezierPath.eval(), and com.piro.bezier.BezierListProducer.linetoAbs().

lineLength()

float com.piro.bezier.Bezier.lineLength ( float  x1, float  y1, float  x2, float  y2  )

private

Definition at line 51 of file Bezier.java.

Referenced by com.piro.bezier.Bezier.calcLength().

setCoords()

void com.piro.bezier.Bezier.setCoords	(	float	sx,
		float	sy,
		float[]	coords,
		int	numCoords
	)

Definition at line 20 of file Bezier.java.

References com.piro.bezier.Bezier.calcLength().

Referenced by com.piro.bezier.Bezier.Bezier().

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

• JCSG/src/main/java/com/piro/bezier/Bezier.java