de.grogra.ray2.radiosity
Class HemiCube

java.lang.Object
  de.grogra.ray2.radiosity.HemiCube

public final class HemiCube
extends java.lang.Object

This class creates a hemicube and calculates the delta form factors.

Author:

Ralf Kopsch

Constructor Summary

HemiCube()

Method Summary

static float	getFormFactor(int side, int pixX, int pixY) Returns the form factor for one hemicube pixel.
static int	getPixelsWide() Return the number of hemicube pixels.
static float	getWorldWide() Returns the hemicube size in world coordinates.
static void	init(int cubeWidth) Initializes the hemicube with the given cube width.
static void	print() Prints out the hemicube delta form factor for debugging.
static void	setWorldWide(float worldWide) Sets the hemicube size in world coordinates.

Methods inherited from class java.lang.Object

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

Constructor Detail

HemiCube

public HemiCube()

Method Detail

getFormFactor

public static float getFormFactor(int side,
                                  int pixX,
                                  int pixY)

Returns the form factor for one hemicube pixel.

Parameters:

side - the cube side

pixX - the x-coordinate.

pixY - the y-coordinate.

Returns:

Returns the form factor for one hemicube pixel.

getPixelsWide

public static int getPixelsWide()

Return the number of hemicube pixels.

Returns:

Return the number of hemicube pixels.

getWorldWide

public static float getWorldWide()

Returns the hemicube size in world coordinates.

Returns:

Returns the hemicube size in world coordinates.

init

public static void init(int cubeWidth)

Initializes the hemicube with the given cube width.

Parameters:

cubeWidth - the cube width.

print

public static void print()

Prints out the hemicube delta form factor for debugging.

setWorldWide

public static void setWorldWide(float worldWide)

Sets the hemicube size in world coordinates.

Parameters:

worldWide - the hemicube size to set.