iicm.utils3d
Class Ray

java.lang.Object
  iicm.utils3d.Ray

public class Ray
extends java.lang.Object

Ray - definition of a ray for picking purposes. Copyright (c) 1997 IICM

Version:

1.0, changed: 5 May 97

Author:

Michael Pichler

Field Summary

Vec3f	direction_
float	far_
float	near_
Vec3f	start_

Constructor Summary

Ray(float[] start, float[] direction, float near, float far)
create a ray, given by start point, direction vector, and near/far picking ranges

Ray(float sx, float sy, float sz, float dx, float dy, float dz, float near, float far)
create a ray, given by start coordinates, direction, and near/far ranges

Ray(Vec3f start, Vec3f direction, float near, float far)
create a ray (as above).

Method Summary

Vec3f	at(float t) tell where the ray is at a specific value of t.
java.lang.String	toString() string rep (for debugging)

Methods inherited from class java.lang.Object

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

Field Detail

start_

public Vec3f start_

direction_

public Vec3f direction_

near_

public float near_

far_

public float far_

Constructor Detail

Ray

public Ray(float[] start,
           float[] direction,
           float near,
           float far)

create a ray, given by start point, direction vector, and near/far picking ranges

Ray

public Ray(Vec3f start,
           Vec3f direction,
           float near,
           float far)

create a ray (as above). Vec3f references taken over by Ray class

Ray

public Ray(float sx,
           float sy,
           float sz,
           float dx,
           float dy,
           float dz,
           float near,
           float far)

create a ray, given by start coordinates, direction, and near/far ranges

Method Detail

at

public Vec3f at(float t)

tell where the ray is at a specific value of t. ray equation: start + t * direction

See Also:

Vec3f.rayat(float[], float, float[])

toString

public java.lang.String toString()

string rep (for debugging)

Overrides:

toString in class java.lang.Object