สอบถามผู้รู้เกี่ยวกับเรื่องสีกับคณิตศาสตร์คับ เกี่ยวกับการหาความไกล้เคียงของสี

//package org.anddev.andengine.util;

import android.graphics.Color;

/**
 * (c) 2010 Nicolas Gramlich 
 * (c) 2011 Zynga Inc.
 * 
 * @author Nicolas Gramlich
 * @since 11:13:45 - 04.08.2010
 */
public class ColorUtils {
  //          
  // Constants
  //          

  private static final float[] HSV_TO_COLOR = new float[3];
  private static final int HSV_TO_COLOR_HUE_INDEX = 0;
  private static final int HSV_TO_COLOR_SATURATION_INDEX = 1;
  private static final int HSV_TO_COLOR_VALUE_INDEX = 2;

  private static final int COLOR_FLOAT_TO_INT_FACTOR = 255;

  //          
  // Fields
  //          

  //          
  // Constructors
  //          

  //          
  // Getter & Setter
  //          

  //          
  // Methods for/from SuperClass/Interfaces
  //          

  /**
   * @param pHue [0 .. 360)
   * @param pSaturation [0...1]
   * @param pValue [0...1]
   */
  public static int HSVToColor(final float pHue, final float pSaturation, final float pValue) {
    HSV_TO_COLOR[HSV_TO_COLOR_HUE_INDEX] = pHue;
    HSV_TO_COLOR[HSV_TO_COLOR_SATURATION_INDEX] = pSaturation;
    HSV_TO_COLOR[HSV_TO_COLOR_VALUE_INDEX] = pValue;
    return Color.HSVToColor(HSV_TO_COLOR);
  }

  public static int RGBToColor(final float pRed, final float pGreen, final float pBlue) {
    return Color.rgb((int)(pRed * COLOR_FLOAT_TO_INT_FACTOR), (int)(pGreen * COLOR_FLOAT_TO_INT_FACTOR), (int)(pBlue * COLOR_FLOAT_TO_INT_FACTOR));
  }

  //          
  // Methods
  //          

  //          
  // Inner and Anonymous Classes
  //          
}