lejos.localization
Class Line

java.lang.Object
  lejos.localization.Line

public class Line
extends Object

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.

Field Summary

float	x1
float	x2
float	y1
float	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.lang.Object

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

Field Detail

x1

public float x1

y1

public float y1

x2

public float x2

y2

public float y2

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