snake2

#include "graphics.hpp"
#include <vector>
#include <time.h>
#include <iostream>
#include <cstdlib>
#include <math.h>
#include <sstream>

using namespace genv;
using namespace std;



void torles()
{
    gout << move_to(0,0) << color(255,255,255) << box(600,600) << move_to(5,5) <<
            color(0,0,0) << box(589,589) << color(255,255,255) << move_to(150,295) << box(300,10);
}

struct fal
{

private:
    int fx1;
    int fy1;
    int fx2;
    int fy2;

public:
    fal():
        fx1(150),
        fy1(295),
        fx2(450),
        fy2(305)
    {}

    bool nekimegy(int x, int y)
    {
        bool neki = false;
        if(x >= fx1 && x <= fx2 && y >= fy1 && y <= fy2)
        {
            neki = true;
        }
        return neki;
    }

};

void vege(int a)
{

    string b;
    stringstream ss;
    ss << a;
    ss >> b;

    gout.load_font("LiberationSans-Regular.ttf", 25, 15);
    gout << move_to(245,175) << color(255,255,255) << text("GAME OVER");
    gout << move_to(270, 220) << text("Score: ") << text(b);
    gout.load_font("LiberationSans-Regular.ttf", 14, 10);
    gout << move_to(200, 260) << text("(press ESC to quit, ENTER to play again)");
}

struct pont
{

    int px;
    int py;

public:
    pont():
        px((rand()%582)+7),
        py((rand()%582)+7)
    {}

    void kiir(pont p)
    {

        for (int i=-4; i<=4; i++)
        {

            for (int j=-4; j<=4; j++)
            {

                if (i*i + j*j < 16)
                {

                    gout << move_to(p.px+i, p.py+j) << color(255,0,0) << box(1,1);
                }
            }
        }
    }

    bool bennevan(int x, int y, pont p)
    {

        bool benne = false;

        if((x-p.px)*(x-p.px) + (y-p.py)*(y-p.py) <= 16 || (x+10-p.px)*(x+10-p.px) + (y+10-p.py)*(y+10-p.py) <= 16 ||
           (x+5-p.px)*(x+5-p.px) + (y+5-p.py)*(y+5-p.py) <= 16 || (x-p.px)*(x-p.px) + (y+10-p.py)*(y+10-p.py) <= 16 ||
           (x+10-p.px)*(x+10-p.px) + (y-p.py)*(y-p.py) <= 16)
        {

            benne = true;
        }

        return benne;
    }

    int random(pont p)
    {

        p.px = (rand()%582)+7;
        p.py = (rand()%582)+7;

    }

};

struct kigyo
{

    int x;
    int y;

public:
    kigyo():
        x(100),
        y(100)
    {}

    void mozgat(int a, int b)
    {
        gout << color(255,255,255) << move_to(x+a,y+b) << box(10,10);
    }

    void rajzol(int v1, int v2)
    {
        gout << color(255,255,255) << move_to(v1, v2) << box(10,10);
    }

    void kovet(kigyo k)
    {
        double dx = k.x-x;
        double dy = k.y-y;
        double norma = sqrt(dx*dx+dy*dy);
        x+=dx/norma;
        y+=dy/norma;
    }
    kigyo(double _x, double _y): x(_x), y(_y){}
};

int main()
{
    gout.open(600,600);
    event ev;
    int menu=1;

    gout << color(255,0,0) << move_to(200,150) << box(200,50);
    gout << move_to(280,175) << color(0,0,0) << text("PLAY");
    gout << color(0,0,0) << move_to(200,250) << box(200,50);
    gout << move_to(280,275) << color(255,255,255) << text("EXIT");

    while(gin >> ev)
    {

        if(ev.keycode == key_escape)
        {
            return 0;
        }

        if(ev.keycode == key_down)
        {

            menu=2;

            if(ev.keycode == key_enter && menu == 2)
            {
                return 0;
            }
            gout << color(0,0,0) << move_to(0,0) << box(600,600);
            gout << color(0,0,0) << move_to(200,150) << box(200,50);
            gout << move_to(280,175) << color(255,255,255) << text("PLAY");
            gout << color(255,0,0) << move_to(200,250) << box(200,50);
            gout << move_to(280,275) << color(0,0,0) << text("EXIT");
        }

        if(ev.keycode == key_up)
        {

            menu=1;
            if(ev.keycode == key_enter && menu == 1)
            {

            }
            gout << color(0,0,0) << move_to(0,0) << box(600,600);
            gout << color(255,0,0) << move_to(200,150) << box(200,50);
            gout << move_to(280,175) << color(0,0,0) << text("PLAY");
            gout << color(0,0,0) << move_to(200,250) << box(200,50);
            gout << move_to(280,275) << color(255,255,255) << text("EXIT");
        }

        if(ev.keycode == key_enter && menu == 1)
        {

            gin.timer(10);
            srand(time(0));
            int score = 0;

            vector<kigyo> v;
            kigyo k;
            v.push_back(k);

            int a = 0;
            int b = 1;

            pont p;
            fal f;

            while(gin >> ev)
            {

                if(ev.keycode == key_escape)
                {
                    return 0;
                }

                if(ev.keycode == key_right)
                {
                    a=1;
                    b=0;
                }

                if(ev.keycode == key_left)
                {
                    a=-1;
                    b=0;
                }

                if(ev.keycode == key_down)
                {
                    a=0;
                    b=1;
                }

                if(ev.keycode == key_up)
                {
                    a=0;
                    b=-1;
                }

                for(int i = 0; i < v.size(); i++)
                {
                kigyo[i].kovet(v[(i+1)%v.size()]);
                kigyo[i].rajzol();
                }

                if(p.bennevan(v[0].x, v[0].y, p))
                {
                    score = score+100;
                    torles();
                    p.px = (rand()%582)+7;
                    p.py = (rand()%582)+7;

                    v.push_back(k);
                }

                if(ev.type == ev_timer)
                {

                    torles();

                    v[0].x=v[0].x+a;
                    v[0].y=v[0].y+b;
                    v[0].mozgat(a,b);

                    for(int o=1; o<=v.size(); o++)
                    {
                        v[o].x=v[o-1].x-10*a;
                        v[o].y=v[o-1].y-10*b;
                        v[o].rajzol(v[o-1].x, v[o-1].y);
                    }

                    if(v[0].x >= 586 || v[0].y >= 586 || v[0].x <= 4 || v[0].y <= 4)
                    {
                        gout <<  color(0,0,0) << move_to(0,0) << box(600,600);
                        vege(score);
                        break;
                    }

                    if(f.nekimegy(v[0].x, v[0].y))
                    {
                        gout <<  color(0,0,0) << move_to(0,0) << box(600,600);
                        vege(score);
                        break;
                    }

                    p.kiir(p);

                }

                gout << refresh;

            }

        }

        if(ev.keycode == key_enter && menu == 2)
        {
            return 0;
        }

        gout << refresh;

    }
    return 0;
}