GenColor Class Reference

#include <GenColor.h>

Collaboration diagram for GenColor:


Public Member Functions
virtual	~GenColor ()
	Empty destructor of GenColor.
GLubyte *	getNewColor ()
	Create a new color.
Static Public Member Functions
static GenColor *	instance ()
	Return the instance of GenColor (use of singleton design pattern).
static void	destroy ()
	Destroy the instance of GenColor.
Protected Member Functions
	GenColor ()
	Empty constructor of GenColor.
Static Protected Attributes
static GenColor *	_instance = NULL
static unsigned int	_nb_colors = 0
static float	_factor = 1.0

Detailed Description

< Generator of new colors

Definition at line 33 of file GenColor.h.

Member Function Documentation

GenColor * GenColor::instance ( ) [static]

Return the instance of GenColor (use of singleton design pattern).

Returns:: the instance of GenColor

Definition at line 41 of file GenColor.cpp.

References _instance, and GenColor().

Referenced by Colony::Colony().

00041                              {
00042   if(_instance == NULL) {
00043     _instance = new GenColor();
00044   }
00045 
00046   return _instance;
00047 }

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GLubyte * GenColor::getNewColor ( )

Create a new color.

Returns:: the new color created

Definition at line 58 of file GenColor.cpp.

References _factor, _nb_colors, COLOR_LIMIT, COLOR_MAX, and COLOR_MIN.

Referenced by Colony::Colony().

00058                                {
00059   GLubyte *colors;
00060 
00061   colors = new GLubyte[3];
00062   _nb_colors++;
00063 
00064   if(_nb_colors % 8 == 0) {
00065     _factor /= 2.0;
00066   }
00067   colors[0] = ((_nb_colors + 1) % 2 == 0 ?
00068     (GLubyte) (_factor * ((float) (COLOR_MAX - COLOR_LIMIT))) :
00069     (GLubyte) COLOR_MIN);
00070   colors[1] = (((int) (_nb_colors / 2) + 1) % 2 == 0 ?
00071     (GLubyte) (_factor * ((float) (COLOR_MAX - COLOR_LIMIT))) :
00072     (GLubyte) COLOR_MIN);
00073   colors[2] = (((int) (_nb_colors / 4) + 1) % 2 == 0 ?
00074     (GLubyte) (_factor * ((float) (COLOR_MAX - COLOR_LIMIT))) :
00075     (GLubyte) COLOR_MIN);
00076 
00077   return colors;
00078 }