ぽｌｙごｎ - プログラム倉庫

package polygon;
 
 
public class pro {
 
    int th;
    double[] cirx=new double[36];
    double[] ciry=new double[36];
   int[] polx=new int[36];
   int[] poly=new int[36];
    int[][] group=new int[500][500];
 
   int cx,cy,len;
    int mx,nx;
    int w,h;
 
 
    public static void main(String[] args) {
        pro test=new pro();
    }
 
    pro(){
 
 
        w=500;
        h=500;
 
        for(mx=100;mx<300;mx++){
        for(nx=100;nx<300;nx++){
        group[mx][nx]=100;
        }
        }
 
   circle();
 
 
   cx=200;
   cy=200;
 
   polygon();
 
   graph sub2=new graph();
   sub2.polx=polx;
   sub2.poly=poly;
   sub2.makedata();
 
 
 
 
    }
 
    void polygon(){
 
   int x1,y1;     
   int len,z,ch;
 
   for(th=0;th<36;th++){
   ch=0;
   polx[th]=cx;
   poly[th]=cy;
   for(len=1;len<500;len++){
   x1=cx+(int)(len*cirx[th]);
   y1=cy+(int)(len*ciry[th]);
   if(x1>w-1)x1=w-1;
    if(x1<0)x1=0;
   if(y1>h-1)y1=h-1;
   if(y1<0)y1=w-1;
   z=0;
   if(group[y1][x1]>50)z=z+1;
   if(ch<50)z=z+1;
   if(z<2)ch=100;
   if(z==2)polx[th]=x1;
   if(z==2)poly[th]=y1;
   }
 
   }
 
 
    }
void circle(){
 
     double pi;
    double c;
    int th1;
 
 
    pi=3.1415;
 
    for(th=0;th<19;th++){
    c=Math.sin(th*pi/18);
    ciry[th]=c;
    c=Math.cos(th*pi/18);
    cirx[th]=c;
    }
 
    for(th=19;th<36;th++){
    th1=th-18;
   c=Math.sin(th1*pi/18);
    ciry[th]=-c;
    c=Math.cos(th1*pi/18);
    cirx[th]=-c;
    }
 
 
}
}
 
 
package polygon;
 
 
 
import java.awt.*; 
import java.awt.Color;   
import java.awt.image.*;   
import java.awt.image.BufferedImage;   
import java.io.*;   
import javax.imageio.ImageIO;   
 
class graph{
 
    int h=500;
    int w=500;
int p1;
int s,sx;
String a1,a2;
 int[] polx=new int[36];
   int[] poly=new int[36];
 
int mx,nx;
 
 
 
int w1,h1;
 
int boadernumber;
 
 
void makedata(){
 
w1=w;
h1=h;    
BufferedImage off = new BufferedImage(w1, h1, BufferedImage.TYPE_INT_BGR);   
Graphics offsc = off.getGraphics();  
 
int s1;
offsc.setColor(Color.white);
offsc.fillRect(0,0,500,500);
 
for(s=0;s<36;s++){
offsc.setColor(Color.red); 
s1=s+1;
if(s1==36)s1=0;
offsc.drawLine(polx[s],poly[s],polx[s1],poly[s1]);
}
 
 
 
 
 
offsc.dispose(); 
 
try { 
ImageIO.write(off, "jpeg", new File("resize.jpg")); 
} catch (IOException exception) { exception.printStackTrace(); }     
}   
}