de.grogra.ray2.radiosity

Class ZBuffer

java.lang.Object

de.grogra.ray2.radiosity.ZBuffer

public class ZBuffer
extends java.lang.Object

This class implements a Z-buffer for one side of the hemicube.

Author:

Ralf Kopsch

Constructor Summary

Constructors

Constructor and Description
ZBuffer(boolean isTop) Creates a new z-buffer.

Method Summary

Methods

Modifier and Type	Method and Description
void	fillFormFactors(java.util.Map<SubPatch,FormFactor> formFactors, int side) Fills the given form factor map with form factors.
ZPixel	getZPixel(int x, int y) Returns a pixel from this buffer.
void	insert(SubPatch p, SubPatch originalPatch) Inserts a new patch into the buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZBuffer

public ZBuffer(boolean isTop)

Creates a new z-buffer.

Parameters:

isTop - true, if this is the top side of a hemicube.

Method Detail

fillFormFactors

public void fillFormFactors(java.util.Map<SubPatch,FormFactor> formFactors,
                   int side)

Fills the given form factor map with form factors.

Parameters:

formFactors - the form factor array (in/out parameter)

side - the side of the cube.

getZPixel

public ZPixel getZPixel(int x,
               int y)

Returns a pixel from this buffer.

Parameters:

x - the x-coordinate.

y - the y-coordinate.

Returns:

Returns a pixel from this buffer.

insert

public void insert(SubPatch p,
          SubPatch originalPatch)

Inserts a new patch into the buffer.

Parameters:

p - a rotated patch

originalPatch - the unmodified patch