#include <bits/stdc++.h>
#include <graphics.h>
#include <unistd.h>
using namespace std;
int di[8]={-1,-1,-1,0,1,1,1,0};
int dj[8]={-1,0,1,1,1,0,-1,-1};
int dx[16]={-1,0,-1,1,0,1,1,1,1,0,1,-1,-1,0,-1,-1};
int dy[16]={0,-1,-1,-1,-1,0,-1,1,0,1,1,1,0,1,-1,1};
int sofisticat=1;
int lungimex=1900, lungimey=1000;
int vitezamax=20;
short page = 1;
int lungimemax=20;
struct {
int x,y,L,viteza;
int ap[11]; } fulgi[10001];
int clearscreen()
{
    setfillstyle(SOLID_FILL,BLACK);
    floodfill(2,2,YELLOW);
}
int generarefulg(int &u)
{
    u++;
        fulgi[u].x=lungimex;
        fulgi[u].y=rand()%1000;
        fulgi[u].L=rand()%lungimemax+lungimemax/5;
        fulgi[u].viteza=fulgi[u].L;
    if(sofisticat==2)
    {int cate=8;
    int i,x;
    for(i=0;i<=7;i++)
        fulgi[u].ap[i]=0;
    while(cate>0)
    {
        x=rand()%8;
    while(fulgi[u].ap[x]==1)
        x=rand()%8;
    fulgi[u].ap[x]=rand()%3+1;
    cate--;
    }}
}
int brate(int x,int y,int L,int l,int fl)
{
    int aux=x,auy=y,i,j=-1,cate;
    int ap[10];
    cate=8;
    for(i=0;i<=7;i++)
        ap[i]=0;
    while(cate>0)
    {
        x=rand()%8;
    while(ap[x]==1)
        x=rand()%8;
    ap[x]=rand()%3+1;
    cate--;
    }
    for(i=0;i<=7;i++)
    {

        x=aux+di[i]*L;
        y=auy+dj[i]*L;
        j++;
        if(sofisticat==2) {if(fulgi[fl].ap[i]==1||fulgi[fl].ap[i]==3)
        line(x+dy[j]*l,y+dx[j]*l,x,y);}
        else line(x+dy[j]*l,y+dx[j]*l,x,y);
        j++;
        if(sofisticat==2){if(fulgi[fl].ap[i]==2||fulgi[fl].ap[i]==3)
        line(x+dy[j]*l,y+dx[j]*l,x,y);}
        else line(x+dy[j]*l,y+dx[j]*l,x,y);
    }
}
int fulg(int x,int y,int L,int fl)
{
    line(x-L,y,x+L,y);
    line(x,y-L,x,y+L);
    line(x-L,y-L,x+L,y+L);
    line(x+L,y-L,x-L,y+L);
    if(sofisticat==1)
    {brate(x,y,L,L/4,fl);
    brate(x,y,L/2,L/4,fl);}
}
int main()
{
    int i,j,z=1,u;
    u=0;
    initwindow(lungimex,lungimey);
    srand(time(NULL));
    setactivepage(page);
    setvisualpage(1 - page);
    while(z)
    {
    setactivepage(page);
    setvisualpage(page);
    clearscreen();
    setvisualpage(page+1);
        z=(z+1)%10001+1;
        if(z%7==0) generarefulg(u);
        setactivepage(page);
        setvisualpage(1 - page);
        page = 1 - page;
        for(i=1;i<=u;i++)
            {fulgi[i].x-=fulgi[i].viteza;
        if(fulgi[i].x<0)
        {
            for(j=i;j<u;j++)
                fulgi[j]=fulgi[j+1];
            u--;
            i--;
        }
        else fulg(fulgi[i].x,fulgi[i].y,fulgi[i].L,i);
    setvisualpage(page);
        }}
}