// ipercubo2   by Sergio Savoldelli, 30 Nov. 2009: http:\\www.savoldelli.net

import java.awt.*;
import java.awt.event.*;
import java.util.StringTokenizer;
public class Ipercubo4 extends java.applet.Applet
  implements MouseListener, MouseMotionListener{
public  int w,h, h2,w2, mx0,my0,iCol[],dcol,ster= 5,az,px;
public   int[][] Fx,Fy;
  public int[][] fx2,fy2;
  public  int  mov1,mov2,mov3,mov4,rid,ridb=6, ridc=8;
  
  public double fiX = .2, fiY = .3, dfi = .01, scale,cc,bb,bbcos,dd,ee,z,yz,pi= 3.141592,pib,pi2=pi*2;
  Image buffImage;     Graphics buffGraphics;
  Color[] col;

    public Label  ruotadati,ruotal,labela;
    private boolean movingCircleOut = false;
    Checkbox insideCheckbox, outsideCheckbox;

   String sliderTextR = "Cubi  in & out (2X  0  - 180): ";
    public Scrollbar ruota; 
    Font font;
	Panel controlPanel,optionPanel0;;
    
public void init() {
  setSize(650, 550); 

   setBackground(Color.black);
		
		setLayout(new FlowLayout());
		CheckboxGroup CircleInOutGroup = new CheckboxGroup ();
		
		insideCheckbox = new Checkbox("si  stereo                ",  CircleInOutGroup, !movingCircleOut);
		outsideCheckbox = new Checkbox("no  stereo             ", CircleInOutGroup, movingCircleOut);
		
		
		insideCheckbox.setForeground(Color.green);
outsideCheckbox.setForeground(Color.cyan);
font = new Font("Helvetica", Font.BOLD, 12);
insideCheckbox.setFont(font);
outsideCheckbox.setFont(font);
		
	add(insideCheckbox);
	  add(outsideCheckbox);
	  Label labela=new Label("                                                     ",Label.CENTER);
		
	add(labela);	
		
			
    controlPanel = new Panel();
		controlPanel.setLayout(new GridLayout(3,1));
		
	add("East ", controlPanel);
		
		             addMouseListener(this);
                                                         addMouseMotionListener(this);
                                                      
  ruotadati = new Label(sliderTextR + Integer.toString(px));
    	Label ruotal=new Label("           Ruota l' ipercubo            ",Label.LEFT);
    	ruotal.setForeground(Color.white);
    	
    	ruotadati.setForeground(Color.white);
    	
    ruotal.setFont(new Font("",Font.BOLD,12));
 
     ruota=new Scrollbar(Scrollbar.HORIZONTAL,0,0,0,159);
    ruota.setUnitIncrement(1);
    ruota.setBlockIncrement(0);

  controlPanel.add(ruotal);
      controlPanel.add(ruotadati);
     controlPanel.add(ruota);

  w = 40+getSize().width;  h=getSize().height;  h2=(h/2+30); w2=(w/2-20);
  iCol = new int[6];
  Fx = new int[6][];  Fy = new int[6][];
  fx2 = new int[6][]; fy2 = new int[6][];
  for (int i = 0; i < 4; i++){ Fx[i] = new int[5]; Fy[i] = new int[5]; fx2[i] = new int[5]; fy2[i] = new int[5];}
  scale = w2 / 2.5;
  col = new Color[256];
  for (int i = 0; i < 256; i++) col[i] = new Color(i, i, i);

  buffImage = createImage(w, h);   buffGraphics = buffImage.getGraphics();
  addMouseListener(this);   addMouseMotionListener(this);
  rotate();
}

 
public void destroy() {
  removeMouseListener(this);  removeMouseMotionListener(this);
}
public void mouseClicked(MouseEvent e){ }     
public void mousePressed(MouseEvent e) {
  mx0 = e.getX();  my0 = e.getY();

   if (e.isMetaDown()) {

     rid=(rid+1)%6;
     if (rid ==0 )rid = 6;
     ridb=rid;
     ridc=ridb;
     if (ridb== 6)ridc=8;
        repaint();}
 
 }

	public boolean handleEvent(Event evt)
		
		
	{
	      
		if (evt.target instanceof Scrollbar) {
			
			int value = ((Scrollbar)evt.target).getValue();
			if (evt.target == ruota) {
								
				px = value;
				// cc =(px)/(pi2*2);
				 cc =(px)/(pi2*4);
				 pib= (cc%(pi+0.01))*(180/pi);
				ruotadati.setText(sliderTextR + Double.toString(pib));
				
      
         
              bb=  (Math.sin(cc));
          bbcos= (Math.cos(cc));
				repaint();
return true;
			} 
			
			return true;
			
		}

		
		if (   evt.target == insideCheckbox || evt.target == outsideCheckbox) {
		 repaint();
		 return true;
		
                                            }
		
		return true;
	                                      }

         

public void mouseReleased(MouseEvent e){}
public void mouseEntered(MouseEvent e) {}
public void mouseExited(MouseEvent e)  {}
public void mouseDragged(MouseEvent e) {
  int x1 = e.getX();  int y1 = e.getY();

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

   z=z+0.03*((mov1-mov2));mov2=mov1;
     yz=yz +0.03* ((mov4-mov3));mov3=mov4;

  fiY += dfi*(x1 - mx0);   mx0 = x1;
  fiX += dfi*(y1 - my0);   my0 = y1;
  rotate();
  repaint();
  e.consume();
}
public void mouseMoved(MouseEvent e) {}

public void rotate(){

  double ct = Math.cos(fiX), cf = Math.cos(fiY),
         st = Math.sin(fiX), sf = Math.sin(fiY),
  
         ix = (scale)*cf,                    kx =  (scale)*sf,
         iy = (scale)*st*sf, jy =  (scale)*ct, ky =( -scale)*st*cf,
         iz = -255*ct*sf,  jz = 255*st,    kz = 255*ct*cf;
  int  Vx[] = {(int)(ix+kx), (int)(ix+kx), (int)(ix-kx), (int)(ix-kx),
              (int)(-ix+kx),(int)(-ix+kx),(int)(-ix-kx),(int)(-ix-kx)},
  Vy[] = {(int)(iy+jy+ky), (int)(iy-jy+ky), (int)(iy-jy-ky), (int)(iy+jy-ky),
         (int)(-iy+jy+ky),(int)(-iy-jy+ky),(int)(-iy-jy-ky),(int)(-iy+jy-ky)},
  x0123[] = {Vx[0],Vx[1],Vx[2],Vx[3]}, y0123[] = {Vy[0],Vy[1],Vy[2],Vy[3]},
  x4567[] = {Vx[4],Vx[5],Vx[6],Vx[7]}, y4567[] = {Vy[4],Vy[5],Vy[6],Vy[7]},
  x0374[] = {Vx[0],Vx[3],Vx[7],Vx[4]}, y0374[] = {Vy[0],Vy[3],Vy[7],Vy[4]},
  x1265[] = {Vx[1],Vx[2],Vx[6],Vx[5]}, y1265[] = {Vy[1],Vy[2],Vy[6],Vy[5]},
  x0451[] = {Vx[0],Vx[4],Vx[5],Vx[1]}, y0451[] = {Vy[0],Vy[4],Vy[5],Vy[1]},
  x3762[] = {Vx[3],Vx[7],Vx[6],Vx[2]}, y3762[] = {Vy[3],Vy[7],Vy[6],Vy[2]};
  
  Fx[0] =  x0123 ; Fy[0] = y0123;
   Fx[3] = x4567; Fy[3] = y4567;
  Fx[1] = x0374; Fy[1] = y0374;
   Fx[4] = x1265; Fy[4] = y1265;
   Fx[2] = x0451; Fy[2] = y0451;
  Fx[5] = x3762; Fy[5] = y3762;
 iCol[0] = (int)255;  iCol[1] = (int)0;  iCol[2] = (int)0; 
 
}

public void paint(Graphics g) {

  int px[] = new int[4],  py[] = new int[4],   px2[] = new int[4],  py2[] = new int[4],px3[] = new int[65],  py3[] = new int[65],px4[] = new int[65],  py4[] = new int[65];
   int pxg[] = new int[4],  pyg[] = new int[4],   px2g[] = new int[4],  py2g[] = new int[4],px3g[] = new int[65],  py3g[] = new int[65],px4g[] = new int[65],  py4g[] = new int[65];
 int b=0,ix=0;
  buffGraphics.setColor(Color.black);
  buffGraphics.fillRect(0,65, w, h);
    
          if (outsideCheckbox.getState()){
				ster = -3000;
				 
				
			}
			 if (insideCheckbox.getState()){
				ster = 5;
			
			}


  for (int i = 0; i < ridb; i++){
  
      
    for (int j = 0; j < 4; j++){
        
  
   px[j] = w2 + (int)(bbcos-dd)+(int)(Fx[i][j]/(1+Math.abs(bb)));   py[j] =   (int)(bb)+h2 - (int)(Fy[i][j]/(1+Math.abs(bb)));
    px2[j] = w2 + (int)(bb*120-dd)+(int)(Fx[i][j]/(2-Math.abs(bb)));   py2[j] = h2-  (int)(Fy[i][j]/(2-Math.abs(bb)));
      px4[b] = w2 +(int)(bbcos-dd)+  (int)(Fx[i][j]/(1+Math.abs(bb)));   py4[b] = (int)(bb)+ h2 - (int) (Fy[i][j]/(1+Math.abs(bb)));
    px3[b] = w2 + (int)(bb*120-dd)+(int)(Fx[i][j]/(2-Math.abs(bb)));   py3[b] = h2-  (int)(Fy[i][j]/(2-Math.abs(bb)));    
    
       ster=ster;
     pxg[j] = w2+(int)(ster-dd) +(int)(bbcos-2)+(int) (Fx[i][j]/(1.01+Math.abs(bb)));   pyg[j] =   (int)(bb)+h2-(int)(-ster+ee)  - (int)(Fy[i][j]/(1.01+Math.abs(bb)));
    px2g[j] = w2-(int)(ster-dd) +(int)(bb*120-2) +(int)(Fx[i][j]/(2-Math.abs(bb)));   py2g[j] =  h2-(int)(-ster+ee)  - (int)(Fy[i][j]/(2-Math.abs(bb)));
      px4g[b] =w2+(int)(ster-dd) + (int)(bbcos-2)+(int)(Fx[i][j]/(1.01+Math.abs(bb)));   py4g[b] =  (int)(bb)+ h2-(int)(-ster+ee)  - (int)(Fy[i][j]/(1.01+Math.abs(bb)));
    px3g[b] = w2-(int)(ster-dd)  +(int)(bb*120-2)+(int)(Fx[i][j]/(2-Math.abs(bb)));   py3g[b] =  h2-(int)(-ster+ee)  -(int) (Fy[i][j]/(2-Math.abs(bb)));

    
  b = b+1;
      }
 
     buffGraphics.setColor(new Color(175,200,100,175));
   
    buffGraphics.fillPolygon(px,py, 4);
     buffGraphics.setColor(new Color(255,0,0,255));
    buffGraphics.drawPolygon(px,py,4);
 
         buffGraphics.setColor(new Color(200,0,250,127));
buffGraphics.fillPolygon(px2,py2, 4);
  buffGraphics.setColor(new Color(255,0,0,255));
buffGraphics.drawPolygon(px2,py2,4);
//verde

     buffGraphics.setColor(new Color(0,255,0,255));
    buffGraphics.drawPolygon(pxg,pyg, 4);
  
  buffGraphics.setColor(new Color(0,255,0,255));
buffGraphics.drawPolygon(px2g,py2g, 4);


}
  g.drawImage(buffImage, 0, 0, this);
  
  showStatus( " Clicca con il tasto destro del mouse per aprire l' ipercubo. ###################     N.  Cubi  =  " + ridc);
  
     g.setFont(new Font("TimesRoman",Font.PLAIN,15));
      g.setColor(new Color(255,255,0));
     
            g.drawString(" Per aprire  l'ipercubo. Clicca con il tasto destro del mouse    N.cubi =  "  + ridc , 0,15);
                     g.drawString("  Clicca e trascina il  Mouse.---------Click and drag. "   , 0,65);
                                  g.setColor(new Color(0,255,0));

       g.drawLine(px3g[0],py3g[0],px4g[0],py4g[0]);
        g.drawLine(px3g[1],py3g[1],px4g[1],py4g[1]);
        g.drawLine(px3g[2],py3g[2],px4g[2],py4g[2]);
        g.drawLine(px3g[3],py3g[3],px4g[3],py4g[3]);
         g.drawLine(px3g[9],py3g[9],px4g[9],py4g[9]);
        g.drawLine(px3g[10],py3g[10],px4g[10],py4g[10]);
        g.drawLine(px3g[18],py3g[18],px4g[18],py4g[18]);
       g.drawLine(px3g[6],py3g[6],px4g[6],py4g[6]);
                                g.setColor(new Color(255,0,0));

       g.drawLine(px3[0],py3[0],px4[0],py4[0]);
        g.drawLine(px3[1],py3[1],px4[1],py4[1]);
        g.drawLine(px3[2],py3[2],px4[2],py4[2]);
        g.drawLine(px3[3],py3[3],px4[3],py4[3]);
         g.drawLine(px3[9],py3[9],px4[9],py4[9]);
        g.drawLine(px3[10],py3[10],px4[10],py4[10]);
        g.drawLine(px3[18],py3[18],px4[18],py4[18]);
   
     g.drawLine(px3[6],py3[6],px4[6],py4[6]);
}
public void update(Graphics g)   {  paint(g); }

}