physics3d
Class Line

java.lang.Object
  physics3d.Line

public class Line
extends Object

Constructor Summary

Line(Vect3 direction, Vect3 pointOnLine)

Method Summary

boolean	containsPoint(Vect3 v)
Vect3	getDirection()
Vect3	getPointOnLine()
Vect3	getPointOnLineClosestToP(Vect3 p)
static Line	MakeLineFromTwoPoints(Vect3 p1, Vect3 p2)

Methods inherited from class java.lang.Object

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

Constructor Detail

Line

public Line(Vect3 direction,
            Vect3 pointOnLine)

Requires:

direction is not null, pointOnLine is not null,

Effects:

constructs a Line

Method Detail

MakeLineFromTwoPoints

public static Line MakeLineFromTwoPoints(Vect3 p1,
                                         Vect3 p2)

Returns:

the line that contains these two points

Requires:

p1, p2 != null !p1.equals(p2)

getDirection

public Vect3 getDirection()

Returns:

the direction of this

getPointOnLine

public Vect3 getPointOnLine()

Returns:

a point on this

containsPoint

public boolean containsPoint(Vect3 v)

Returns:

true if v is within GameConstants.TOLERANCE of this

Requires:

v != null

getPointOnLineClosestToP

public Vect3 getPointOnLineClosestToP(Vect3 p)

Returns:

the point on this such that v.minus(p).cross(direction) = Vect3.ZERO

Requires:

v != null