net.sf.j3d.threeD.raytracer.lighting
Class SphericalLight

java.lang.Object
  net.sf.j3d.threeD.raytracer.engine.AbstractSurface
      net.sf.j3d.threeD.raytracer.primitives.Sphere
          net.sf.j3d.threeD.raytracer.lighting.SphericalLight

All Implemented Interfaces:

Surface, Light, SurfaceLight

public class SphericalLight
extends Sphere
implements SurfaceLight

A SphericalLight object provides PointLight samples that are randomly distributed across the surface of a sphere.

Author:

Mike Murray

Field Summary

Fields inherited from interface net.sf.j3d.threeD.raytracer.lighting.Light

castShadows

Constructor Summary

SphericalLight()
Constructs a new SphericalLight object.

SphericalLight(Vector location, double radius)
Constructs a new SphericalLight object.

Method Summary

double[]	getAttenuationCoefficients()
double	getIntensity() Returns the intensity of this Light object as a double value.
double[][]	getParticleVertices()
int	getSampleCount()
Light[]	getSamples()
Light[]	getSamples(int total)
void	setAttenuationCoefficients(double a, double b, double c) Sets the attenuation coefficients to be used when light samples are created.
void	setIntensity(double intensity) Sets the intensity of this Light object.
void	setSampleCount(int samples) Sets the number of samples to use for this SphericalLight object.
String	toString()

Methods inherited from class net.sf.j3d.threeD.raytracer.primitives.Sphere

getIndexOfRefraction, getNormalAt, intersect, intersectAt, triangulate

Methods inherited from class net.sf.j3d.threeD.raytracer.engine.AbstractSurface

addShader, addTexture, addTransform, calculateTransform, getColor, getColorAt, getColorAt, getIndexOfRefraction, getLocation, getParent, getReflectedPercentage, getReflectedPercentage, getRefractedPercentage, getRefractedPercentage, getRotationCoefficients, getScaleCoefficients, getShadeBack, getShadeFront, getShaderSet, getSize, getTexture, getTextures, getTextureSet, getTransform, getTransform, getTransforms, removeTexture, removeTransform, setColor, setIndexOfRefraction, setLocation, setParent, setReflectedPercentage, setRefractedPercentage, setRotationCoefficients, setScaleCoefficients, setShadeBack, setShadeFront, setShaders, setShaders, setSize, setTexture, setTextures, setTransform, setTransforms, shade

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.j3d.threeD.raytracer.lighting.Light

getColor, getColorAt, setColor

Constructor Detail

SphericalLight

public SphericalLight()

Constructs a new SphericalLight object.

SphericalLight

public SphericalLight(Vector location,
                      double radius)

Constructs a new SphericalLight object.

Parameters:

location - Location for sphere.

radius - Radius of sphere.

Method Detail

setSampleCount

public void setSampleCount(int samples)

Sets the number of samples to use for this SphericalLight object.

Parameters:

samples -

getSampleCount

public int getSampleCount()

Returns:

The number of samples to use for this SphericalLight object.

getSamples

public Light[] getSamples(int total)

Specified by:

getSamples in interface SurfaceLight

Parameters:

total - Total number of samples to return.

Returns:

An array containing samples for this SurfaceLight instance.

See Also:

SurfaceLight.getSamples(int)

getSamples

public Light[] getSamples()

Specified by:

getSamples in interface SurfaceLight

Returns:

An array containing samples for this SurfaceLight instance.

See Also:

SurfaceLight.getSamples()

setIntensity

public void setIntensity(double intensity)

Description copied from interface: Light

Sets the intensity of this Light object.

Specified by:

setIntensity in interface Light

See Also:

Light.setIntensity(double)

getIntensity

public double getIntensity()

Description copied from interface: Light

Returns the intensity of this Light object as a double value.

Specified by:

getIntensity in interface Light

See Also:

Light.getIntensity()

setAttenuationCoefficients

public void setAttenuationCoefficients(double a,
                                       double b,
                                       double c)

Sets the attenuation coefficients to be used when light samples are created.

getAttenuationCoefficients

public double[] getAttenuationCoefficients()

Returns:

An array containing the attenuation coefficients used when light samples are created.

getParticleVertices

public double[][] getParticleVertices()

See Also:

ParticleGroup.getParticleVertices()

toString

public String toString()

Overrides:

toString in class Object

Returns:

"Spherical Light".