threeD.raytracer.engine
Class Ray

java.lang.Object
  threeD.raytracer.engine.Ray

All Implemented Interfaces:

java.lang.Cloneable

public class Ray

extends java.lang.Object

implements java.lang.Cloneable

A Ray object represents a 3d ray. It stores the origin and direction of a 3d ray, which are vector quantities, as Vector objects.

Constructor Summary

Ray()
Constructs a Ray object with origin and direction at the origin.

Ray(Vector origin, Vector direction)
Constructs a Ray object using the specified origin and direction vectors.

Method Summary

java.lang.Object	clone()
Vector	getDirection() Returns the direction of this Ray object as a Vector object.
Vector	getOrigin() Returns the origin of this Ray object as a Vector object.
Vector	pointAt(double t) Returns the point on the ray represented by this Ray object at distance t from the origin as a Vector object.
void	setDirection(Vector direction) Sets the direction of this Ray object to the specified direction vector.
void	setOrigin(Vector origin) Sets the origin of this Ray object to the specified origin vector.
java.lang.String	toString() Returns a String representation of this Ray object.

Methods inherited from class java.lang.Object

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

Constructor Detail

Ray

public Ray()

Constructs a Ray object with origin and direction at the origin.

Ray

public Ray(Vector origin,
           Vector direction)

Constructs a Ray object using the specified origin and direction vectors.

Method Detail

setOrigin

public void setOrigin(Vector origin)

Sets the origin of this Ray object to the specified origin vector.

setDirection

public void setDirection(Vector direction)

Sets the direction of this Ray object to the specified direction vector.

getOrigin

public Vector getOrigin()

Returns the origin of this Ray object as a Vector object.

getDirection

public Vector getDirection()

Returns the direction of this Ray object as a Vector object.

pointAt

public Vector pointAt(double t)

Returns the point on the ray represented by this Ray object at distance t from the origin as a Vector object.

clone

public java.lang.Object clone()

toString

public java.lang.String toString()

Returns a String representation of this Ray object.