lejos.geom
Class Line

java.lang.Object
  java.awt.geom.Line2D
      java.awt.geom.Line2D.Float
          lejos.geom.Line

All Implemented Interfaces:

Shape, Cloneable

public class Line
extends Line2D.Float

Represents a line and supports calculating the point of intersection of two line segments.

Author:

Lawrie Griffiths

WARNING: THIS CLASS IS SHARED BETWEEN THE classes AND pccomms PROJECTS. DO NOT EDIT THE VERSION IN pccomms AS IT WILL BE OVERWRITTEN WHEN THE PROJECT IS BUILT.

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.geom.Line2D

Line2D.Double, Line2D.Float

Field Summary

Fields inherited from class java.awt.geom.Line2D.Float

x1, x2, y1, y2

Constructor Summary

Line(float x1, float y1, float x2, float y2)

Method Summary

Point	intersectsAt(Line l) Calculate the point of intersection of two lines.
float	length() Return the length of the line

Methods inherited from class java.awt.geom.Line2D.Float

getBounds2D, getP1, getP2, getX1, getX2, getY1, getY2, setLine, setLine

Methods inherited from class java.awt.geom.Line2D

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

Methods inherited from class java.lang.Object

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

Constructor Detail

Line

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

Method Detail

intersectsAt

public Point intersectsAt(Line l)

Calculate the point of intersection of two lines.

Parameters:

l - the second line

Returns:

the point of intersection or null if the lines do not intercept or are coincident

length

public float length()

Return the length of the line

Returns:

the length of the line