import java.awt.*;

/**
  Experimenting with two Spiders in a Room named "tinCan" ---
  click on the "close button" (marked X) in the top right corner of the
  spider's window, to terminate the application.
@see Spider
@see Room
@see AppFrame
@author Istvan Mohos, 1996
*/
public class SpiderApp7 {
  static final int WIDE = 500;  // window width, in pixels
  static final int HIGH = 430;  // window height, in pixels

  public static void main(String[] args) {
    Room tinCan = new Room();
    new AppFrame("In a tin can #7", tinCan, WIDE, HIGH);
    Spider sp1 = new Spider(90, 90, Room.WEST, Color.yellow, Color.red);
    Spider sp2 = new Spider(40, 40, Room.EAST, Color.blue, Color.blue);

    int offset1 = 1;

    for (int line = 0; line < 5000 ; line++) {

      // Do things with first spider
      if (line % 2 == 0) {
        tinCan.veer(sp1, line % 31, -1);
        sp1.turnRight();
      }
      else {
        tinCan.veer(sp1, line % 31, 1);
        sp1.turnLeft();
      }
      if (line % 32 == 0)
        ++offset1;
      if (tinCan.isAtWall(sp1))
        tinCan.jumpTo(sp1, line % (WIDE - 10), line % (HIGH - 10));
      if (line % 256 == 0)
        sp1.setSilk(new Color(offset1 % 256, offset1 * 3 % 256,
          offset1 * 5 % 256));

      // Do things with second spider
      tinCan.veer(sp2, line % 301, -3);
      sp2.turnLeft();
      if (tinCan.isAtWall(sp1)) {
        sp2.setSilk(new Color(line % 256, line * 2 % 256, line * 3 % 256));
        tinCan.jumpTo(sp2, sp1.getXY());
      }

    } // end of for-loop
  } // end definition of main method
} // end definition of class;