Module com.marginallyclever.robotoverlord

Package com.marginallyclever.convenience

Class Ray

java.lang.Object

com.marginallyclever.convenience.Ray

public class Ray
extends Object

Ray is a starting point and a direction.

Constructor Summary

Constructors

Constructor	Description
Ray()
Ray(Ray r)
Ray(javax.vecmath.Tuple3d origin, javax.vecmath.Vector3d direction)
Ray(javax.vecmath.Tuple3d origin, javax.vecmath.Vector3d direction, double maxDistance)

Method Summary

Modifier and Type	Method	Description
javax.vecmath.Vector3d	getDirection()
double	getMaxDistance()
javax.vecmath.Point3d	getOrigin()
javax.vecmath.Vector3d	getPoint(double t)
void	setDirection(javax.vecmath.Vector3d direction)
void	setMaxDistance(double maxDistance)
void	setOrigin(javax.vecmath.Point3d origin)
void	transform(javax.vecmath.Matrix4d matrix, Ray from)	Set this ray to be a copy of another ray.

Methods inherited from class java.lang.Object

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

Constructor Details

Ray

public Ray()

Ray

public Ray(javax.vecmath.Tuple3d origin,
 javax.vecmath.Vector3d direction)

Ray

public Ray(javax.vecmath.Tuple3d origin,
 javax.vecmath.Vector3d direction,
 double maxDistance)

Ray

public Ray(Ray r)

Method Details

setDirection

public void setDirection(javax.vecmath.Vector3d direction)
                  throws IllegalArgumentException

Parameters:

direction - the direction of this ray. cannot be a zero vector.

Throws:

IllegalArgumentException - if direction is too small

getDirection

public javax.vecmath.Vector3d getDirection()

setOrigin

public void setOrigin(javax.vecmath.Point3d origin)

getOrigin

public javax.vecmath.Point3d getOrigin()

setMaxDistance

public void setMaxDistance(double maxDistance)

getMaxDistance

public double getMaxDistance()

getPoint

public javax.vecmath.Vector3d getPoint(double t)

Returns:

start + direction * t

transform

public void transform(javax.vecmath.Matrix4d matrix,
 Ray from)

Set this ray to be a copy of another ray. this = matrix.transform(from)

Parameters:

matrix - the local transform

from - the ray to copy