/*
 * Copyright (c) 1996 CONNIE K. PENG  All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for NON-COMMERCIAL purposes.
 *
 */
import java.awt.Color;

public class Face
{
  int line[];		// lines that enclose the face
  int numLines;		// totacl number of lines on this faces
  Color color;		// color of this face
  boolean behind;	// flag that indicate if the face is behind the view
  int cur;		// current index of the line

  public Face (int num)
  {
    color = null;
    line = new int[num];
    numLines = num;
    behind = false;
    cur = 0;
  }

  public Face (int r, int g, int b, int num)
  {
    color = new Color(r, g, b);
    line = new int[num];
    numLines = num;
    behind = false;
    cur = 0;
  }

  public Face (Face f)
  {
    if (f.color == null)
      color = null;
    else
      color = new Color(f.color.getRGB());

    numLines = f.numLines;
    cur = f.cur;
    behind = f.behind;
    line = new int[numLines];
    for (int i = 0; i < numLines; i++)
      line[i] = f.line[i];
  }

  void addLine (int lindex)
  {
    line[cur] = lindex;
    cur++;
  }

  void setBehind(boolean flag)
  {
    behind = flag;
  }
}