rcssjava.geom
Class LineSegment

java.lang.Object
  rcssjava.geom.LineSegment

public class LineSegment
extends java.lang.Object

Implementation of 2d line segment

Constructor Summary

LineSegment()
Constructs a line segment with both endpoints at the origin

LineSegment(VecPosition p1, VecPosition p2)
Constructs a line segment with the given endpoints

Method Summary

Rectangle	getBoundingRectangle() Create the rectangle that has this line segment as a diagonal
VecPosition	getIntersection(Line l) Get intersection with line
VecPosition	getIntersection(LineSegment ls) Get intersection with line segment
double	getLength() Get distance between endpoints
Line	getLine() Create infinite line from this segment
VecPosition	getMidpoint() Get point on line segment halfway between endpoints
void	setPoints(VecPosition p1, VecPosition p2) Set endpoints of line segment

Methods inherited from class java.lang.Object

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

Constructor Detail

LineSegment

public LineSegment()

Constructs a line segment with both endpoints at the origin

LineSegment

public LineSegment(VecPosition p1,
                   VecPosition p2)

Constructs a line segment with the given endpoints

Parameters:

p1 - first endpoint

p2 - second endpoint

Method Detail

setPoints

public void setPoints(VecPosition p1,
                      VecPosition p2)

Set endpoints of line segment

Parameters:

p1 - first endpoint

p2 - second endpoint

getLength

public double getLength()

Get distance between endpoints

Returns:

euclidean distance between endpoints

getMidpoint

public VecPosition getMidpoint()

Get point on line segment halfway between endpoints

Returns:

midpoint

getBoundingRectangle

public Rectangle getBoundingRectangle()

Create the rectangle that has this line segment as a diagonal

Returns:

bounding rectangle

getLine

public Line getLine()

Create infinite line from this segment

Returns:

extrapolated line

getIntersection

public VecPosition getIntersection(Line l)

Get intersection with line

Parameters:

l - line to intersect with

Returns:

intersection point or null if none

getIntersection

public VecPosition getIntersection(LineSegment ls)

Get intersection with line segment

Parameters:

ls - line segment to intersect with

Returns:

intersection point or null if none