optics
Class Optics

java.lang.Object
  optics.Optics

public class Optics
extends java.lang.Object

a class for optical functions

Constructor Summary

Optics()

Method Summary

static double	calculateDielectricReflectance(Vector3D v, Vector3D tv, Vector3D n, double Ni, double Nt) calculates the fresnel reflection
static Vector3D	calculateReflectedRay(Vector3D In, Vector3D Normal) calculates the reflected ray from an incoming ray at a normal
static boolean	calculateRefractedRay(Vector3D Normal, double Ni, double Nt, Vector3D In) calculates the refracted ray from an incoming ray at a normal

Methods inherited from class java.lang.Object

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

Constructor Detail

Optics

public Optics()

Method Detail

calculateReflectedRay

public static Vector3D calculateReflectedRay(Vector3D In,
                                             Vector3D Normal)

calculates the reflected ray from an incoming ray at a normal

Parameters:

In - incoming vector

Normal -

Returns:

reflected ray

calculateRefractedRay

public static boolean calculateRefractedRay(Vector3D Normal,
                                            double Ni,
                                            double Nt,
                                            Vector3D In)

calculates the refracted ray from an incoming ray at a normal

Parameters:

Normal -

Ni - IOR of incoming ray

Nt - IOR of refracted ray

In - [in/out] incoming vector / refracted ray

Returns:

do we have a refracted ray?

calculateDielectricReflectance

public static double calculateDielectricReflectance(Vector3D v,
                                                    Vector3D tv,
                                                    Vector3D n,
                                                    double Ni,
                                                    double Nt)

calculates the fresnel reflection

Parameters:

v - incoming ray (pointing away from surface)

tv - refracted ray

n - normal

Ni - IOR of incoming ray

Nt - IOR of the material

Returns:

dielectric reflectance