Untitled

package shotcaller;import java.awt.*;import java.applet.*;import java.util.*;import javax.swing.*;import java.math.*;import java.awt.event.*;import javax.swing.event.MouseInputAdapter;public class shot extends Applet  {        public void mouseMoved(MouseEvent e){       x = e.getX();        y = e.getY();             }                public class cue {        int x;        int y;            }        public class ball {                double grav =.6;        double damp =.98;        int rad = 12;        double x;        double y;        double vx =0;        double vy =0;                int m = 3;                    }        int i = 0;    int j = 0;    Object ball;    int bmax = 8;    ball[] b = new ball [8];                        public void fold(){                                for (i= 0; i < bmax; i++){                    b[i] = new ball();            }                 b[0].x=70;	b[1].x=387;	b[2].x=414;	b[3].x=444;	b[4].x=444;	b[5].x=444;	b[6].x=414;        b[7].x=-100;	b[0].y=132;	b[1].y=132;	b[2].y=117;	b[3].y=103;	b[4].y=134;	b[5].y=165;	b[6].y=150;        b[0].vx+=40;}                                        public int x = 0;            public int y = 0;            java.util.Timer timer;            Graphics doublebuffer;            Image offscreen;            private final int WIDTH =550;            private final int HEIGHT = 300;                            public void init(){                fold();                       cue c = new cue();                this.setSize(WIDTH,HEIGHT);                timer = new java.util.Timer();                timer.schedule(new gameTask(),0,1*5);                offscreen = createImage(640,480);                doublebuffer = offscreen.getGraphics();            }            class gameTask extends TimerTask            {                               public void run(){                                                              repaint();                    for (i = 0; i<8; i++){                                                   if(b[i].x>520){			b[i].vx*=-1;		}		if(b[i].y>270){			b[i].vy*=-1;		}if(b[i].y<10){			b[i].vy*=-1;		}		if(b[i].x<10){			b[i].vx*=-1;		}                                              b[i].vx*=b[i].damp;                        b[i].vy*=b[i].damp;                        b[i].x +=b[i].vx;                        b[i].y +=b[i].vy;                                                for (j=1; j<8; j++){                                               double dx = b[j].x-b[i].x;                       double dy = b[j].y-b[i].y;                                              double dist = Math.sqrt(dx*dx+dy*dy);                                              if(dist <b[i].rad+b[j].rad){                                                      double angle = Math.atan2(dy,dx);                                           double cosa = Math.cos(angle);                       double sina = Math.sin(angle);                       double vx1p = cosa*b[i].vx+sina*b[i].vy;                       double vy1p = cosa*b[i].vy-sina*b[i].vx;                       double vx2p = cosa*b[j].vx+sina*b[j].vy;                       double vy2p = cosa*b[j].vy-sina*b[j].vx;                        double P = vx1p*b[i].m+vx2p*b[j].m;                        double V = vx1p-vx2p;                        vx1p = (P-b[j].m*V)/(b[i].m+b[j].m);                        vx2p = V+vx1p;                        b[i].vx = cosa*vx1p-sina*vy1p;                        b[i].vy = cosa*vy1p+sina*vx1p;                        b[j].vx =cosa*vx2p-sina*vy2p;                        b[j].vy = cosa*vy2p+sina*vx2p;                                                double diff =((b[i].rad+b[j].rad)-dist)/2;                               double  cosd=cosa*diff;                               double sind = sina*diff;                               b[i].x-=cosd;                               b[i].y -= sind;                               b[j].x += cosd;                               b[j].y += sind;                                                  }}}                                      }                            } public void update (Graphics g) {     paint (g); } public void paint(Graphics g) {          doublebuffer.clearRect(0,0,550,300);     doublebuffer.setColor(Color.black);     doublebuffer.fillRect(0,0,550,300);     doublebuffer.setColor(Color.green);     doublebuffer.fillRoundRect(10,10,530,280,30,30);     doublebuffer.setColor(Color.darkGray);     doublebuffer.fillOval(0,0,30,30);     doublebuffer.fillOval(0,270,30,30);     doublebuffer.fillOval(520,0,30,30);     doublebuffer.fillOval(520,270,30,30);     doublebuffer.fillOval(260,0,30,30);     doublebuffer.fillOval(260,270,30,30);     for (i=0; i<8; i++){                     if(i==0){           doublebuffer.setColor(Color.white);             }          if(i==1){           doublebuffer.setColor(Color.lightGray);             }             if(i==2){           doublebuffer.setColor(Color.red);             }             if(i==3){           doublebuffer.setColor(Color.blue);             }             if(i==4){           doublebuffer.setColor(Color.orange);             }             if(i==5){           doublebuffer.setColor(Color.magenta);             }             if(i==6){           doublebuffer.setColor(Color.yellow);             }             if(i==7){           doublebuffer.setColor(Color.black);             }             if(i==8){           doublebuffer.setColor(Color.lightGray);             }         doublebuffer.fillOval((int)b[i].x,(int)b[i].y,24,24);     }     doublebuffer.setColor(Color.red);     doublebuffer.fillRect(20,20,x,y);     g.drawImage(offscreen,0,0,this);    }}