Package lejos.robotics.geometry

Class Line2D.Float

java.lang.Object

lejos.robotics.geometry.Line2D

lejos.robotics.geometry.Line2D.Float

All Implemented Interfaces:

java.lang.Cloneable, Shape

Direct Known Subclasses:

Line

Enclosing class:

Line2D

public static class Line2D.Float
extends Line2D

A line in 2D space using float coordinates

Nested Class Summary

Nested classes/interfaces inherited from class lejos.robotics.geometry.Line2D

Line2D.Double, Line2D.Float

Field Summary

Fields

Modifier and Type	Field and Description
float	x1 The x coordinate of the start of the line
float	x2 The x coordinate of the end of the line
float	y1 The y coordinate of the start of the line
float	y2 The y coordinate of the end of the line

Constructor Summary

Constructors

Constructor and Description
Float() Creates a zero length line at (0,0)
Float(float x1, float y1, float x2, float y2) Create a line from (x1,y1) to (x2,y2)

Method Summary

Modifier and Type	Method and Description
Rectangle2D	getBounds2D() Get the bounds of the line as a Rectangle2D
Point2D	getP1() Get the start point of the line as a Point2D
Point2D	getP2() Get the end point of the line as a Point2D
double	getX1() Get the x coordinate of the start of the line
double	getX2() Get the x coordinate of the end of the line
double	getY1() Get the y coordinate of the start of the line
double	getY2() Get the y coordinate of the end of the line
void	setLine(double x1, double y1, double x2, double y2) Sets the end points of the line using double coordinates.
void	setLine(float x1, float y1, float x2, float y2) Set the float coordinates of the start and end of the line

Methods inherited from class lejos.robotics.geometry.Line2D

clone, contains, contains, contains, contains, getBounds, intersects, intersects, intersectsLine, intersectsLine, linesIntersect, ptSegDist, ptSegDist, ptSegDist, ptSegDistSq, ptSegDistSq, ptSegDistSq, relativeCCW, relativeCCW, relativeCCW, setLine, setLine

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

x1

public float x1

The x coordinate of the start of the line

y1

public float y1

The y coordinate of the start of the line

x2

public float x2

The x coordinate of the end of the line

y2

public float y2

The y coordinate of the end of the line

Constructor Detail

Float

public Float()

Creates a zero length line at (0,0)

Float

public Float(float x1,
             float y1,
             float x2,
             float y2)

Create a line from (x1,y1) to (x2,y2)

Parameters:

x1 - the x coordinate of the start of the line

y1 - the y coordinate of the start of the line

x2 - the x coordinate of the end of the line

y2 - the y coordinate of the end of the line

Method Detail

setLine

public void setLine(float x1,
                    float y1,
                    float x2,
                    float y2)

Set the float coordinates of the start and end of the line

Parameters:

x1 - the x coordinate of the start of the line

y1 - the y coordinate of the start of the line

x2 - the x coordinate of the end of the line

y2 - the y coordinate of the end of the line

getBounds2D

public Rectangle2D getBounds2D()

Get the bounds of the line as a Rectangle2D

Returns:

the bounding Rectangle2D

getX1

public double getX1()

Description copied from class: Line2D

Get the x coordinate of the start of the line

Specified by:

getX1 in class Line2D

Returns:

the x coordinate as a double

getY1

public double getY1()

Description copied from class: Line2D

Get the y coordinate of the start of the line

Specified by:

getY1 in class Line2D

Returns:

the y coordinate as a double

getP1

public Point2D getP1()

Description copied from class: Line2D

Get the start point of the line as a Point2D

Specified by:

getP1 in class Line2D

Returns:

the Point2D

getX2

public double getX2()

Description copied from class: Line2D

Get the x coordinate of the end of the line

Specified by:

getX2 in class Line2D

Returns:

the x coordinate as a double

getY2

public double getY2()

Description copied from class: Line2D

Get the y coordinate of the end of the line

Specified by:

getY2 in class Line2D

Returns:

the y coordinate as a double

getP2

public Point2D getP2()

Description copied from class: Line2D

Get the end point of the line as a Point2D

Specified by:

getP2 in class Line2D

Returns:

the Point2D

setLine

public void setLine(double x1,
                    double y1,
                    double x2,
                    double y2)

Description copied from class: Line2D

Sets the end points of the line using double coordinates.

Specified by:

setLine in class Line2D

Parameters:

x1 - the x coordinate of the start point

y1 - the y coordinate of the start point

x2 - the x coordinate of the end point

y2 - the y coordinate of the end point