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

public class samurai extends JFrame {

    public samurai() {
	setSize(750, 500);
	setTitle("Samurai");
	setDefaultCloseOperation(EXIT_ON_CLOSE);
	MyJPanel myJPanel = new MyJPanel();
	Container c = getContentPane();
	c.add(myJPanel);	
	setVisible(true);
    }

    public static void main(String[] args) {
	new samurai();
    }

    public class MyJPanel extends JPanel implements MouseListener, MouseMotionListener, ActionListener {
	Timer timer;
	double line = -3.14/2;
	//自機
	int jiki_x = 100;
	int jiki_y;
	Image jiki_ima1,jiki_ima2;
	int jiki_w, jiki_h;
	int jiki_id=0;//瞬間移動打消、0＝マウスに反応 1＝マウスが出た 2＝up 3＝down
	int cut;

	public MyJPanel() {
	    setResizable(false);

	    timer = new Timer(10, this);
	    timer.start();
	    //自機初期化
	    ImageIcon icon1 = new ImageIcon("normal.png");
	    ImageIcon icon2 = new ImageIcon("cut.png");
	    jiki_ima1 = icon1.getImage();
	    jiki_ima2 = icon2.getImage();
	    jiki_w = jiki_ima1.getWidth(this);
	    jiki_h = jiki_ima1.getHeight(this);
	    cut = 0;
	    jiki_id=1;

	    addMouseListener(this);
	    addMouseMotionListener(this);
	}
	public void actionPerformed(ActionEvent e){
	    int heightL = 50;
	    Dimension d = getSize();

	    if(e.getSource() == timer){
		line += 3.14/30;
		//自機とマウスの照準
		if(jiki_id==2){
		    jiki_y+=5;
		    if(jiki_y>d.height-heightL-70){
			jiki_y = d.height-heightL-70;
			jiki_id=3;
		    }
		}else if(jiki_id==3){
		    jiki_y-=5;
		    if(jiki_y<0){
			jiki_y = 0;
			jiki_id=2;
		    }
		}
		//cut 復元
		if(cut == 0){}else{
		    cut --;
		    if(cut < 0){
			cut = 0;
		    }
		}
		    repaint();
		}
	    }
	
	public void mouseClicked(MouseEvent me) {
	    Dimension d = getSize();
	    //int heightR = teki_ima.getHeight(this);
	    
	    //cut
	    if(cut == 0){
	    cut = 30;
	    //当たり判定
	    /* for(int num =0;num<n;num++){
		if(jiki_y[she]>=tekiki_y[num] &&
		   jiki_y[she]<=tekiki_y[num]+heightR &&
		   jiki_x[she]== tekiki_x[num] &&
		   tekiki_alive[num]>0){
		    //敵消滅
		    tekiki_alive[num] --;
		}
		}*/}
	    repaint();
	    
	}
	public void mousePressed(MouseEvent me) { }
	public void mouseReleased(MouseEvent me) { }
	public void mouseExited(MouseEvent me) {
	    jiki_id=1;
	}
	public void mouseEntered(MouseEvent me) {
	    if(jiki_y==me.getY()){
		jiki_id=0;
	    }else if(jiki_y<me.getY()){
		jiki_id=2;
	    }else if(jiki_y>me.getY()){
		jiki_id=3;
	    }
	}
	
	public void mouseMoved(MouseEvent me) {
	    int heightL = 50;
	    Dimension d = getSize();

	    if(jiki_id==0){//手動操縦
		jiki_y = me.getY();
		if(jiki_y>d.height-heightL-70){
		    jiki_y = d.height-heightL-70;
	      }
		repaint();
	    }else{
		if(jiki_y==me.getY()){
		    jiki_id=0;
		}else if(jiki_y<me.getY()){
		    jiki_id=2;
		}else if(jiki_y>me.getY()){
		    jiki_id=3;
		}
	    }
	    repaint();
	}
	public void mouseDragged(MouseEvent me) { }
	
	public void paintComponent(Graphics g) {
	    super.paintComponent(g);
	    int heightL = jiki_ima1.getHeight(this);
	    int widthL = jiki_ima1.getWidth(this);
	    int maru_y = jiki_y + heightL +35;
	    int maru_x = jiki_x + 35;
	    
	    //自機を描く
	    if(cut == 0){
		g.drawImage(jiki_ima1, jiki_x,  jiki_y, this);
	    }else{
		g.drawImage(jiki_ima2, jiki_x+35,  jiki_y, this);
	    }
	    //ball
	    g.fillOval(jiki_x,  jiki_y + heightL,70,70);
	    g.setColor(Color.red);
	    g.drawLine(maru_x, maru_y, (int)(maru_x + 35*(Math.cos(line))), (int)(maru_y + 35*(Math.sin(line))));
	    
	}
    }
}