polygon

package poly;

public class polygon {

    int x=new int[500];
    int y=new int[500];
  int xx=new int[500];
    int yy=new int[500];
    
    int number,ax,ay;
  int vx1,vx2,vy1,vy2;  
  int x2,y2;
  int s;
    int sig,sp;
    int ch,check;
    
    int  makedata(int x1,int y1){
    
    
        check=0;
     avg();   
        
      for(s=1;s<number+1;s++){
    xx[s]=x[s]-ax;
    yy[s]=y[s]-ay;
      }
      
      
      x2=x1-ax;
      y2=y1-ay;
      
      for(sig=1;sig<number+1;sig++){
      
      vx1=xx[sig];
      vy1=yy[sig];
      
      sp=sig+1;
      
      if(sp>number)sp=1;
      
      vx2=xx[sp];
      vy2=yy[sp];
     
      triangle sub=new triangle();
      sub.vx1=vx1;
      sub.vx2=vx2;
      sub.vy1=vy1;
      sub.vy2=vy2;
      ch=sub.makedata(x2,y2);
      
      if(ch>50)check=100;
      
      
      }
     
    
    return check;
    }
    
void avg(){
int s,x1,y1;
    
x1=0;
    for(s=1;s<number+1;s++){
    x1=x1+x[s];
    }
    ax=x1/number;
y1=0;
    for(s=1;s<number+1;s++){
    y1=y1+y[s];
    }
ay=y1/number;
    
    
    
    
    
}


}