threeD.raytracer.engine
Class DiffuseShader

java.lang.Object
  threeD.raytracer.engine.DiffuseShader

All Implemented Interfaces:

ColorProducer, Editable, Producer, Shader

public class DiffuseShader

extends Object

implements Shader, Editable

A DiffuseShader object provides a shading method for diffuse surfaces. The DiffuseShader class uses a lambertian shading algorithm.

Nested Class Summary

Nested classes inherited from class threeD.raytracer.util.Editable

Editable.Selection

Constructor Summary

DiffuseShader()
Constructs a new DiffuseShader object.

Method Summary

RGB	evaluate(Object[] args) Produces a color using the specified arguments.
Producer[]	getInputPropertyValues()
String[]	getPropertyDescriptions() Returns a zero length array.
String[]	getPropertyNames() Returns a zero length array.
Class[]	getPropertyTypes() Returns a zero length array.
Object[]	getPropertyValues() Returns a zero length array.
void	setInputPropertyValue(int index, Producer p) Does nothing.
void	setPropertyValue(Object value, int index) Sets the value of the property of this Editable object at the specified index to the specified value.
void	setPropertyValues(Object[] values) Does nothing.
RGB	shade(ShaderParameters p) Method specified by the Shader interface.
String	toString() Returns "Diffuse Shader".

Methods inherited from class java.lang.Object

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

Constructor Detail

DiffuseShader

public DiffuseShader()

Constructs a new DiffuseShader object.

Method Detail

shade

public RGB shade(ShaderParameters p)

Method specified by the Shader interface.

Specified by:

shade in interface Shader

evaluate

public RGB evaluate(Object[] args)

Description copied from interface: ColorProducer

Produces a color using the specified arguments.

Specified by:

evaluate in interface ColorProducer

Parameters:

args - Arguments.

Returns:

this.shade(args[0]).

Throws:

IllegalArgumentException - If args[0] is not a ShaderParameters object.

getPropertyNames

public String[] getPropertyNames()

Returns a zero length array.

Specified by:

getPropertyNames in interface Editable

getPropertyDescriptions

public String[] getPropertyDescriptions()

Returns a zero length array.

Specified by:

getPropertyDescriptions in interface Editable

getPropertyTypes

public Class[] getPropertyTypes()

Returns a zero length array.

Specified by:

getPropertyTypes in interface Editable

getPropertyValues

public Object[] getPropertyValues()

Returns a zero length array.

Specified by:

getPropertyValues in interface Editable

setPropertyValue

public void setPropertyValue(Object value,
                             int index)

Description copied from interface: Editable

Sets the value of the property of this Editable object at the specified index to the specified value.

Specified by:

setPropertyValue in interface Editable

Throws:

IndexOutOfBoundsException

setPropertyValues

public void setPropertyValues(Object[] values)

Does nothing.

Specified by:

setPropertyValues in interface Editable

getInputPropertyValues

public Producer[] getInputPropertyValues()

Specified by:

getInputPropertyValues in interface Editable

Returns:

An empty array.

setInputPropertyValue

public void setInputPropertyValue(int index,
                                  Producer p)

Does nothing.

Specified by:

setInputPropertyValue in interface Editable

Parameters:

index - Index of input property (array index from this.getInputPropertyValue).

p - Producer object to use for input property.

toString

public String toString()

Returns "Diffuse Shader".