/****************************/
/* マニピュレータ           */
/*      coded by Y.Suganuma */
/****************************/
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.util.StringTokenizer;

public class Link {
	public static void main (String[] args) throws IOException
	{
		LinkControl lc = new LinkControl("マニピュレータ");
	}
}

class LinkControl extends Frame implements Runnable, ActionListener {
	Thread th;
	boolean state = true;
	Dimension d;
	Insets insets;
	int init = 1, n_l = 3, err = 0;
	int len[] = {200, 100, 50};
	int now[] = new int [n_l];
	int now_o[] = new int [n_l];
	int next[] = new int [n_l];
	Button bt;
	/************************/
	/* コンストラクタ       */
	/*      name : タイトル */
	/************************/
	LinkControl(String name)
	{
					// Frameクラスのコンストラクタの呼び出し
		super(name);
					// Windowの大きさの設定
		int i1, s = 0;
		for (i1 = 0; i1 < n_l; i1++)
			s += len[i1];
		setSize(s+40, s+70);
		d = getSize();
					// ウィンドウを表示
		setVisible(true);
		insets = getInsets();
					// リセットボタンの追加
		setLayout(null);
		Font f = new Font("ＭＳ 明朝", Font.PLAIN, 20);
		bt = new Button("Reset");
		bt.setFont(f);
		bt.setBackground(Color.yellow);
		bt.addActionListener(this);   // リスナー
		bt.setLocation(s-50-insets.right, insets.top+10);
		bt.setSize(new Dimension(80, 30));
		add(bt);
					// イベントアダプタ
		addWindowListener(new WinEnd());
					// スレッドの定義と開始
		th = new Thread(this);
		th.start();
	}

	/******************************/
	/* ボタンが押されたときの処理 */
	/******************************/
	public void actionPerformed(ActionEvent e)
	{
		init = 1;
	}

	/******************/
	/* スレッドの実行 */
	/******************/
	public void run()
	{
		int i1, k, draw = 1, sw = 0, chg, y1, y2, s = 0;
		double a;
		String str;
		StringTokenizer token;

		while (state) {
			try {
				th.sleep(500);
			}
			catch (InterruptedException e) {}
					// 初期設定
			if (init > 0) {
				init = 0;
				chg  = 1;
				for (i1 = 0; i1 < n_l; i1++) {
					now[i1]  = 0;
					next[i1] = 0;
				}
				repaint();
			}
					// 初期設定以外
			else {
							// 角度の読み込み
				chg = 0;
				try {
					BufferedReader in = new BufferedReader(new FileReader("angle"));
					str   = in.readLine();
					token = new StringTokenizer(str, " \n");
					k     = -1;
					while (token.hasMoreTokens()) {
						if (k < 0) {
							draw = Integer.parseInt(token.nextToken());
							if (draw > 0)
								break;
						}
						else
							next[k] = (int)Math.round(90.0 * Integer.parseInt(token.nextToken()) / 255.0);
						k++;
					}
					in.close();
				}
				catch (IOException er_i) {}
							// 描画
				if (draw == 0 && err == 0) {
					sw = 1;
					while (sw > 0) {
						sw = 0;
						try {
							th.sleep(10);
						}
						catch (InterruptedException e) {}
						for (i1 = 0; i1 < n_l; i1++) {
							if (next[i1] != now[i1]) {
								sw  = 1;
								chg = 1;
								if (next[i1] > now[i1])
									now[i1]++;
								else
									now[i1]--;
							}
						}
						if (sw > 0) {
							repaint();
							y1 = d.height - insets.bottom - 10;
							y2 = y1;
							for (i1 = 0; i1 < n_l; i1++) {
								if (i1 == 0) {
									a  = now[i1] * Math.PI / 180.0;
									s  = 0;
								}
								else
									a  = (s + now[i1]) * Math.PI / 180.0;
								y2  = y2 - (int)Math.round(len[i1] * Math.cos(a));
								s  += now[i1];
							}
							if (y2 >= y1) {
								err = 1;
								break;
							}
						}
					}
				}
			}
					// 位置情報の出力
			if (chg > 0) {
				str = "angle";
				for (i1 = 0; i1 < n_l; i1++) {
					now_o[i1]  = (int)Math.round(now[i1] * 255.0 / 90.0);
					str       += (" " + now[i1]);
				}
				System.out.println(str);
				str = (err == 0) ? "1" : "2";
				try {
					PrintStream out = new PrintStream(new FileOutputStream("angle"));
					for (i1 = 0; i1 < n_l; i1++)
						str += (" " + now_o[i1]);
					out.println(str);
					out.close();
				}
				catch (IOException er_o) {}
			}
		}
	}

	/********/
	/* 描画 */
	/********/
	public void paint (Graphics g)
	{
		int i1, x1, y1, x2, y2, s = 0;
		int xp[] = new int [4];
		int yp[] = new int [4];
		double a = 0.0;
					// 座標軸の描画
		g.setColor(Color.black);
		x1 = insets.left + 10;
		y1 = d.height - insets.bottom - 10;
		y2 = insets.top + 5;
		g.drawLine(x1, y1, x1, y2);
		x2 = d.width - insets.right - 5;
		g.drawLine(x1, y1, x2, y1);
					// リンクの描画
		for (i1 = 0; i1 < n_l; i1++) {
			if (i1 == 0) {
				a = now[i1] * Math.PI / 180.0;
				s = 0;
			}
			else {
				a  = (s + now[i1]) * Math.PI / 180.0;
				x1 = x2;
				y1 = y2;
			}
			x2 = x1 + (int)Math.round(len[i1] * Math.sin(a));
			y2 = y1 - (int)Math.round(len[i1] * Math.cos(a));
			g.setColor(Color.pink);
			xp[0] = x1 - (int)Math.round(2 * Math.sin(a-0.5*Math.PI));
			yp[0] = y1 + (int)Math.round(2 * Math.cos(a-0.5*Math.PI));
			xp[1] = x1 - (int)Math.round(2 * Math.sin(a+0.5*Math.PI));
			yp[1] = y1 + (int)Math.round(2 * Math.cos(a+0.5*Math.PI));
			xp[2] = x2 - (int)Math.round(2 * Math.sin(a+0.5*Math.PI));
			yp[2] = y2 + (int)Math.round(2 * Math.cos(a+0.5*Math.PI));
			xp[3] = x2 - (int)Math.round(2 * Math.sin(a-0.5*Math.PI));
			yp[3] = y2 + (int)Math.round(2 * Math.cos(a-0.5*Math.PI));
			g.fillPolygon(xp, yp, 4);
			g.setColor(Color.red);
			g.fillOval(x1-5, y1-5, 10, 10);
			s += now[i1];
		}
	}

	/************/
	/* 終了処理 */
	/************/
	class WinEnd extends WindowAdapter
	{
		public void windowClosing(WindowEvent e) {
			System.exit(0);
		}
	}
}