import java.awt.Stroke;
import javax.swing.*;          
import java.awt.*;
import java.awt.event.*;
import java.awt.Point;
import javax.swing.event.*;
import javax.swing.border.*;
import java.awt.image.*;
import java.awt.geom.*;
import static java.lang.Math.*;

/**
 * 
 * Class spirosfericoc3 - Simulatore ciclosferico 3D  e stereo  
 * @author (Sergio Savoldelli.-  wwww.savoldelli.net) 
 * @version (number 3. - 07/2011 )
 * 
 */

public class spirosfericoc3 extends JApplet
implements MouseListener, MouseMotionListener  {

    public  int  mov1,mov2,mov3,mov4,k=200,n1=25,n2=1,p,c=255,px=250,py=290, w3=0,zz,zz2 ;

    public double aa,hh,k0,k02,r0,r02,k03,xe2,ye2, d,zi,i,a,pi2= PI*2,ci = 0,
    puntoy, puntox,puntoy2, puntox2,q2,a2,z,yz,q,ab5,ab6,ab7, ab5b,ab7b,incpasso,incpassob,ipassob,aa2,rg,rp,ii,
    incpasso2,incpassob2,ipassob2,
    pux3,puy3,pux3b,puy3b;

    Font font;
    Panel controlPanel, optionPanelColor, optionPanel0, optionPanel1;

    Scrollbar sliderR, sliderr,sliderOb ;
    private boolean movingCircleOut = false;

   
    String sliderTextr = " Cono Mobile (5 - 150): ";
    
    String sliderTextC = "       -     Stereo    -   ";

    Label  sliderLabelR,sliderLabelr, sliderLabelO,  sliderLabelC,  sferalabel, titleLabel,auLabel;
    Checkbox insideCheckbox, outsideCheckbox;
   
   

    public void init() {
       
        
    
   Point bPoint = new Point(200,200);
        setSize(730, 500); 
         setBackground(Color.black);
       
        controlPanel = new Panel();
        controlPanel.setBackground(Color.black);
        
        controlPanel.setLayout(new GridLayout(8,1,1,1));
       
         add("East", controlPanel);
         addMouseListener(this);
        addMouseMotionListener(this);
       
       
       auLabel = new Label("Author Sergio Savoldelli ", 1); 
        font = new Font("Helvetica", Font.BOLD, 12);
        auLabel.setFont(font);
        auLabel.setBackground(Color.black);
        auLabel.setForeground(Color.cyan);
         controlPanel.add(auLabel);
       
       ////////////////////////////
         
        titleLabel = new Label("Spirosferico 3D ", 1); 
        font = new Font("Helvetica", Font.BOLD, 17);
        titleLabel.setFont(font);
        titleLabel.setBackground(Color.black);
        titleLabel.setForeground(Color.cyan);
        controlPanel.add(titleLabel);
        ///**
        sferalabel=(new Label("     Raggio sfera = 200  "));
        font = new Font("Helvetica", Font.BOLD, 13);
        sferalabel.setFont(font);
        controlPanel.setBackground(Color.black);
        sferalabel.setForeground(Color.yellow);
        controlPanel.add(sferalabel);
      
       
       
        sliderLabelr = new Label(sliderTextr + Integer.toString((int)n1));
        font = new Font("Helvetica", Font.PLAIN, 12);
        sliderLabelr.setFont(font);
        sliderLabelr.setBackground(Color.black);
        sliderLabelr.setForeground(Color.white);
        controlPanel.add(sliderLabelr);
       sliderr = new Scrollbar(Scrollbar.HORIZONTAL,(int) n1, 1, 5, 151);
          controlPanel.add(sliderr);
         
            
         
          sliderLabelC = new Label(sliderTextC);
           font = new Font("Helvetica", Font.BOLD, 18);
        sliderLabelC.setFont(font);
        sliderLabelC.setBackground(Color.red);
       sliderLabelC.setForeground(Color.white);

       controlPanel.add(new Label(" "));
            controlPanel.add(sliderLabelC);
         //////////////////////////////////////////////
         optionPanel1 = new Panel();
        optionPanel1.setLayout(new GridLayout(1, 2));
         
          CheckboxGroup CircleInOutGroup = new CheckboxGroup ();

        insideCheckbox = new Checkbox("si",  CircleInOutGroup, !movingCircleOut);
        outsideCheckbox = new Checkbox("no", CircleInOutGroup, movingCircleOut);
       
        insideCheckbox.setForeground(Color.green);
        outsideCheckbox.setForeground(Color.cyan);
        font = new Font("Helvetica", Font.BOLD, 18);
       
        insideCheckbox.setFont(font);
        outsideCheckbox.setFont(font);

        
      
        optionPanel1.add(insideCheckbox);

        optionPanel1.add(outsideCheckbox);
       
       
        controlPanel.add("East", optionPanel1);
       
    }

    public boolean handleEvent(Event ev)

    {
        if (ev.target instanceof Scrollbar) {

            int value = ((Scrollbar)ev.target).getValue();
            
             if (ev.target == sliderr) {
                sliderLabelr.setText(sliderTextr + Integer.toString(value));
                n1 = value;
                

            } 

            repaint();

        }

        if (   ev.target == insideCheckbox || ev.target == outsideCheckbox ) {

            repaint();

        }

        return true;
    }

    public void paint(Graphics g) {
        Graphics2D g2 = (Graphics2D)g;
        
        
        BufferedImage bufimage;
        BufferedImage bi,co,bi2;
        Graphics2D bufimagegraf,bufimagegrafb ;
        Graphics2D big,cog,cogb;

        if (outsideCheckbox.getState()){

            px=250;px=px+1250;
            py=225;py=py+1290;
            c=0;

        }

        if (insideCheckbox.getState()){

            px=250;
            py=225;
            c= 255;

        }	

        c=c;
        //////////////////////////////////////////////////////////////////
        bi =  (BufferedImage)createImage(600,600);
        big = bi.createGraphics();
        big.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
       
        big.setStroke(new BasicStroke(1.0f));

        
        cog = bi.createGraphics();
        
        cog.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        cog.setColor(new Color(0,c,0));//linea verde
        cog.setStroke(new BasicStroke(1.8f));
        

        cogb = bi.createGraphics();
        cogb.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        cogb.setColor(new Color(255,0,0));//linea rossa
        cogb.setStroke(new BasicStroke(1.8f));

        bufimage = new BufferedImage(600, 600, BufferedImage.TYPE_4BYTE_ABGR);
        bufimagegraf= bufimage.createGraphics();
        bufimagegraf.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        bufimagegraf.setStroke(new BasicStroke(2.5f));
        bufimagegraf.setColor(new Color(0,c,0));

        bufimagegrafb= bufimage.createGraphics();
        bufimagegrafb.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        bufimagegrafb.setStroke(new BasicStroke(2.5f));
        bufimagegrafb.setColor(new Color(255,255-c,0));

        rg = 200;
        rp= n1;

        a=12;
        for( double hh2=-PI;hh2<=PI;hh2=(hh2+PI/(a/1.25))){  
             q= abs(cos (hh2)*hh2)*3;
            q2=0;

            for(double aab=(-PI);aab<=(PI);aab=aab+PI/(a*3)){  

             
                q2=(q2+1);

                xe2= aab;
                ye2= hh2;

                double k02=  (Math.cos(xe2)*Math.cos(ye2)*(rg))+sin(xe2)*5;  
                double y02= (Math.cos(xe2)*Math.sin(ye2));
                double z02= (Math.sin(xe2)*(rg));

                double  k0=  (Math.cos(xe2)*Math.cos(ye2+0.15)*(rg));  
                double  y0= (Math.cos(xe2)*Math.sin(ye2+0.01));  
                double  z0= (Math.sin(xe2)*(rg));

                double x02=(k02+250);
                double  r02= (y02)+225+((z02));

                double  x0=(k0+258);
                double  r0= ((y0+233+z0));

                cog.draw(  new Ellipse2D.Double((int)(x02),(int)(r02),q/3,q));

                cogb.draw( new Ellipse2D.Double((int)(x0),(int)(r0),q/3,q));

            }

        }
           
        zi=0;

        a=pi2/k;

      
        i=sqrt(2);
       

        q= (rg/i)-(rp/i); 
           
             ci=0;
        
         for( ii=0;ii<PI;ii=(ii+pi2/n2)){ 
         
        fuori:  
        for(hh=0;hh<pi2;hh=(hh+a)){  
            ci=(ci+1)%2;
            zi=zi+a;
           
         
            a2=  ceil((rg)/(rp));
            
            ipassob= sin(hh+yz)*q;//verde
            incpasso= px+(cos(hh)*cos(ii)*(q))+sin(hh)*5;
            incpassob= py+(cos(hh)*sin(ii+yz))+ipassob;
            
             ipassob2=233+sin(hh+yz)*q;//rosso
            incpasso2= 258+(cos(hh+0.15)*cos(ii+0.15)*(q));
            incpassob2= (cos(hh+0.02)*sin(ii+0.02+yz))+ipassob2;
            
                                  
                                        puntox2=incpasso; puntoy2 = incpassob;
                                          puntox=incpasso2; puntoy = incpassob2;
                                   
             
                 for(aa2=(-0.1+zi*a2+z);aa2<(pi2+zi*a2+z);aa2=aa2+a2){
                 ab6= (cos(zi+PI/2+ii))*(rp);
                ab5= cos(aa2+ii+hh)*(ab6); 
                ab7= sin(aa2+ii+hh)*(rp);//
                ab5b= cos(aa2+ii+hh+0.15)*(ab6); 
                ab7b= sin(aa2+ii+hh+0.01)*(rp);
               
                       
              
              
                puntox2=(ab5+incpasso+ab6);
                puntoy2=(ab7+incpassob);
                puntox=(ab5b+incpasso2+ab6);
                puntoy=(ab7b+incpassob2);
                
                
             
               
               
           
            }
            
           
                 bufimagegraf.drawLine((int)( pux3),(int)( puy3),(int)puntox2,(int)puntoy2);
                Point   aPoint = new Point((int)puntox2,(int)puntoy2);
               
                                  pux3= aPoint.x ;
                                   puy3= aPoint.y;
            
             bufimagegrafb.drawLine((int)(pux3b),(int)(puy3b),(int)puntox,(int)puntoy);
            pux3b=puntox;
                     puy3b=puntoy;
           
            
           
            if (ci >= 1 ){continue fuori;  }  
            
             
            
        }
       
          
        }
           
        ci=0;
         

        g2.drawImage(bi,0,0, this); 

       g2.drawImage(bufimage,0,0, this);
     
        
        
    }  

    public void mouseClicked(MouseEvent et) {  
        Object source = et.getSource();  

        int aaaa=  et.getButton();

    } 

    public void mousePressed(MouseEvent e) {

        mov2 = e.getX();  int mov3 = e.getY();

        if (e.isAltDown()) {
       
        
        }

        if (e.isShiftDown()) {

        }   }

    public void mouseReleased(MouseEvent e){}

    public void mouseEntered(MouseEvent e) {}

    public void mouseExited(MouseEvent e)  {}

    public void mouseMoved(MouseEvent e) {}

    public void mouseDragged(MouseEvent e) {

        mov1 = e.getX();   mov4 = e.getY();

        z=z+0.08*((mov1-mov2));mov2=mov1;
        yz=yz +0.02* ((mov4-mov3));mov3=mov4;

        repaint();
        e.consume();
    }

}