import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;


public class Siinus extends JApplet implements Runnable, ActionListener{
	int raadius=50;
	int kiirus=3;
	int algus=0;
	int y_nullkoht=150;
	BufferedImage pilt=new BufferedImage(800,300,BufferedImage.TYPE_INT_RGB);
	TextField tf_kiirus=new TextField("3",1);
	TextField tf_raadius=new TextField("50",2);
	public Siinus(){
		new Thread(this).start();
		Panel p=new Panel(new FlowLayout());
		p.add(new Label("kiirus"));
		p.add(tf_kiirus);
		p.add(new Label("raadius"));
		p.add(tf_raadius);
		tf_raadius.addActionListener(this);
		tf_kiirus.addActionListener(this);
		getContentPane().add(p, BorderLayout.NORTH);
		}
	public void paint(Graphics g){
		Graphics graafika=pilt.getGraphics();
		graafika.setColor(Color.white);
		graafika.fillRect(0,0,getSize().width,getSize().height);
		graafika.setColor(Color.black); 
		joonistaTeljed(graafika);
		joonistaGraafik(graafika);
		joonistaRing(graafika);
		g.drawImage(pilt,0,0,this);
		}
		
	public void joonistaGraafik(Graphics g){
			for(int i=algus;i<=(algus+360);i++){
				int y_k=y_nullkoht-(int)(raadius*Math.sin(Math.toRadians(i)));
				int x_k=i+(100-algus);
				g.drawLine(x_k,y_k,x_k,y_k);
				}
		}
	public void joonistaRing(Graphics g){	
			int punkt_x=(int)(raadius*(Math.sin(Math.toRadians(algus+90))));
			int punkt_y=(int)(raadius*(Math.cos(Math.toRadians(algus+90))));
			g.fillOval(650+punkt_x,150+punkt_y,10,10);
			g.drawOval(650-(raadius-5),150-(raadius-5),2*raadius, 2*raadius);
			g.setColor(Color.white);
			g.drawOval(650+(punkt_x-1),150+(punkt_y-1),10,10);
			g.setColor(Color.black);
		}
	public void run(){
		while(true){
		repaint();
		algus+=kiirus;
		try{Thread.sleep(10);}catch(Exception erind){}
		}
	}
	
	public void actionPerformed(ActionEvent e){
		kiirus=Integer.parseInt(tf_kiirus.getText());
		raadius=Integer.parseInt(tf_raadius.getText());
		}
	
	public void joonistaTeljed(Graphics g){
		Graphics2D g2=(Graphics2D)g; 
		//x telg
		g.setFont(new Font("arial",Font.PLAIN,9));
		g.drawLine(50, 150, 500, 150 );
		g.drawLine(500,150,495,145);
		g.drawLine(500,150,495,155);
		//y telg
		g.drawLine(100,75,100,225);
		g.drawLine(100,75,95,80);
		g.drawLine(100,75,105,80);
		//skaala x
		g.drawString("0",100,160);
		  for(int i=2;i<=36;i+=2){
			g.drawString(i+"0",100+(i*10),160);
			g.drawLine(100+(i*10),148,100+(i*10),152);
		  }
		//skaala y
		g.drawString("1",95,100);
		g.drawString("-1",90,200);
		
		}
	public static void main(String[] args){
		JFrame f=new JFrame("Siinus");
		f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		f.setSize(800,400);
		f.getContentPane().add(new Siinus());
		f.setVisible(true);
		}	
}