package MCview;

import java.awt.*;

public class Bond {

  float start[];
  float end[];

  Color startCol;
  Color endCol;

  public myAtom at1;
  public myAtom at2;

  public Bond(float[] start, float[] end, myAtom at1, myAtom at2) {
    this.start    = start;
    this.end      = end;
    this.startCol = at1.color;
    this.endCol   = at2.color;
    this.at1      = at1;
    this.at2      = at2;
  }
  public Bond(Bond bond) {
    this.start    = new float[3];

    this.start[0] = bond.start[0];
    this.start[1] = bond.start[1];
    this.start[2] = bond.start[2];

    this.end    = new float[3];

    this.end[0] = bond.end[0];
    this.end[1] = bond.end[1];
    this.end[2] = bond.end[2];

    this.startCol = bond.startCol;
    this.endCol   = bond.endCol;
  }

  public void print() {
    System.out.println("Start " + start[0] + " "+ start[1] + " " + start[2]);
    System.out.println("End   " + end[0] + " "+ end[1] + " " + end[2]);
  }

  public float length() {
    float len = (end[0] - start[0])*(end[0] - start[0]) +
                (end[1] - start[1])*(end[1] - start[1]) +
                (end[2] - start[2])*(end[2] - start[2]);

    len = (float)(Math.sqrt(len));

    return len;
  }
  public void translate(float x, float y, float z) {
    start[0] = (start[0] + x);
    end[0]   = (end[0] + x);

    start[1] = (start[1] + y);
    end[1]   = (end[1] + y);

    start[2] = (start[2] + z);
    end[2]   = (end[2] + z);
  }
}