threeD.raytracer.shaders
Class ShaderParameters

java.lang.Object
  threeD.raytracer.shaders.ShaderParameters

public class ShaderParameters

extends java.lang.Object

A ShaderParameters object stores parameters needed by most Shader implementations.

Constructor Summary

ShaderParameters(Vector point, Vector viewerDirection, Vector lightDirection, Light light, Light[] otherLights, Surface[] otherSurfaces)

ShaderParameters(Vector point, Vector viewerDirection, Vector lightDirection, Light light, Light[] otherLights, Surface surface, Surface[] otherSurfaces)
Constructs a new ShaderParameters object using the specified arguments.

Method Summary

Light	getLight()
Vector	getLightDirection()
Light[]	getOtherLights()
Surface[]	getOtherSurfaces()
Vector	getPoint()
Surface	getSurface()
Vector	getViewerDirection()
void	setSurface(Surface surface)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ShaderParameters

public ShaderParameters(Vector point,
                        Vector viewerDirection,
                        Vector lightDirection,
                        Light light,
                        Light[] otherLights,
                        Surface surface,
                        Surface[] otherSurfaces)

Constructs a new ShaderParameters object using the specified arguments.

Parameters:

point - Vector object representing the point to be shaded.

viewerDirection - Vector object representing the direction toward the viewer (should be unit length).

lightDirection - Vector object representing the direction toward the light (should be unit length).

light - Light object representing the light.

otherLights - Array of Light objects representing other lights in the scene.

surface - Surface object to be shaded.

otherSurfaces - Array of other Surface objects in the scene.

ShaderParameters

public ShaderParameters(Vector point,
                        Vector viewerDirection,
                        Vector lightDirection,
                        Light light,
                        Light[] otherLights,
                        Surface[] otherSurfaces)

Method Detail

getPoint

public Vector getPoint()

Returns:

A Vector object representing the point to be shaded.

getViewerDirection

public Vector getViewerDirection()

Returns:

A Vector object representing the direction toward the viewer (this can be expected to be unit length).

getLightDirection

public Vector getLightDirection()

Returns:

A Vector object representing the direction toward the light (this can be expected to be unit length).

getLight

public Light getLight()

Returns:

A Light object representing the light.

getOtherLights

public Light[] getOtherLights()

Returns:

An array of Light objects representing the other lights in the scene.

setSurface

public void setSurface(Surface surface)

Parameters:

surface - The new Surface object.

getSurface

public Surface getSurface()

Returns:

The Surface object to be shaded.

getOtherSurfaces

public Surface[] getOtherSurfaces()

Returns:

An array of other Surface objects in the scene.

toString

public java.lang.String toString()