org.dolben.iiid
Class Lighting

java.lang.Object
  org.dolben.iiid.Lighting

public class Lighting
extends java.lang.Object

A representation of the lighting of a scene, with a method for finding the shading of a surface depending on its angle to the light.

Constructor Summary

Lighting()
Creates new Lighting.

Method Summary

java.awt.Color	getShade(double[] normal, java.awt.Color color) Gets the shade for a color produced by the lighting.
void	setLight(double[] l, float bg) Sets the location of the light source and the background light level as a fraction of the source light.

Methods inherited from class java.lang.Object

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

Constructor Detail

Lighting

public Lighting()

Creates new Lighting.

Method Detail

setLight

public void setLight(double[] l,
                     float bg)

Sets the location of the light source and the background light level as a fraction of the source light. The light is presumed to be very far away so that only direction is used to effect shading.

Parameters:

l - the 3D vector location of the light source

bg - the background light level (0,1)

getShade

public java.awt.Color getShade(double[] normal,
                               java.awt.Color color)

Gets the shade for a color produced by the lighting.

Parameters:

normal - the vector normal to the plane to be shaded

color - base color to be shaded

Returns:

the shaded color