raytracer
Class Map

java.lang.Object
  raytracer.Map

public class Map
extends java.lang.Object

a bumpmap or normalmap

Constructor Summary

Map(IPainter normalmap_)

Map(IPainter bumpmap_, double scale_, double deltax_, double deltay_)

Method Summary

Map	getCopy()
void	modify(IntersectionInfo ri) modifies the normal with the normal from the texture

Methods inherited from class java.lang.Object

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

Constructor Detail

Map

public Map(IPainter bumpmap_,
           double scale_,
           double deltax_,
           double deltay_)

Parameters:

bumpmap_ - a painter as a height map

scale_ - scales the height (bumpiness)

deltax_ - step in x direction to compute normal

deltay_ - step in y direction to compute normal

Map

public Map(IPainter normalmap_)

Parameters:

normalmap_ - a painter as a normal map

Method Detail

modify

public void modify(IntersectionInfo ri)

modifies the normal with the normal from the texture

Parameters:

ri - information at the intersection point

getCopy

public Map getCopy()

Returns:

a copy of the map