:'( :icon_cry: i'm trying to make a snake game & i can't make the lenght of the snake increase & it's score & the fruit appears one time only & i have to press on the arrow all the time please help me in this code today please. i've thought that i get the nextpixel every second but i don't knw how please someone reply .
#include<graphics.h>
#include<conio.h>
#include<math.h>
#include<time.h>
#include<stdlib.h>
#include<dos.h>
#include <cstdlib>
#include <iostream>
#include <cstdio>
#include <windows.h>
#include <fstream>
#include <string>
using namespace std;
#define LEFT 1
#define RIGHT 2
#define UP 3
#define DOWN 4
class snake
{
public:
int length;
int head_x;
int head_y;
int head_dir;
int tail_x;
int tail_y;
int tail_dir;
int bend_x[1000];
int bend_y[1000];
int bend_dir[1000];
void GameDate();
};
snake snake;
int score;
char scorestring[100];
//screen function
void screen()
{
score = 0;
setcolor(LIGHTRED);
line(10,30,10,470);
line(10,30,630,30);
line(630,30,630,470);
line(10,470,630,470);
settextstyle(3,0,2);
char Theta2[]=" High score : ";
sprintf(scorestring,"score : %d",score);
outtextxy(1,0,scorestring);
outtextxy(300,0,Theta2);
}
//start function game Date
void GameDate()
{
snake.length = 50;
snake.head_x = 320;
snake.head_y = 240;
snake.head_dir = RIGHT;
snake.tail_x = snake.head_x - snake.length;
snake.tail_y = snake.head_y;
snake.tail_dir = snake.head_dir;
setcolor(LIGHTGREEN);
line(snake.tail_x,snake.tail_y,snake.head_x,snake.head_y);
}
//start funcyion movement
void move()
{
static int i = 0;
static int j = 0;
if(i > 100)
i = 0;
if(j > 100)
j = 0;
char arrow;
if(kbhit)
{
arrow = getch();
if(arrow == 77)
arrow = RIGHT;
if(arrow == 75)
arrow = LEFT;
if(arrow == 72)
arrow = UP;
if(arrow == 80)
arrow = DOWN;
if(arrow == RIGHT && snake.head_dir != LEFT && snake.head_dir != RIGHT)
{
snake.head_dir = RIGHT;
snake.bend_x[i] = snake.head_x;
snake.bend_y[i] = snake.head_y;
snake.bend_dir[i] = RIGHT;
i++;
}
if(arrow == LEFT && snake.head_dir != RIGHT && snake.head_dir != LEFT)
{
snake.head_dir = LEFT;
snake.bend_x[i] = snake.head_x;
snake.bend_y[i] = snake.head_y;
snake.bend_dir[i] = LEFT;
i++;
}
if(arrow == UP && snake.head_dir != DOWN && snake.head_dir != UP)
{
snake.head_dir = UP;
snake.bend_x[i] = snake.head_x;
snake.bend_y[i] = snake.head_y;
snake.bend_dir[i] = UP;
i++;
}
if(arrow == DOWN && snake.head_dir != UP && snake.head_dir != DOWN)
{
snake.head_dir = DOWN;
snake.bend_x[i] = snake.head_x;
snake.bend_y[i] = snake.head_y;
snake.bend_dir[i] = DOWN;
i++;
}
if(snake.tail_x == snake.bend_x[j] && snake.tail_y == snake.bend_y[j])
{
snake.tail_dir = snake.bend_dir[j];
j++;
}
}
if(snake.head_dir == LEFT)
{
snake.head_x--;
}
if(snake.head_dir == RIGHT)
{
snake.head_x++;
}
if(snake.head_dir == DOWN)
{
snake.head_y++;
}
if(snake.head_dir == UP)
{
snake.head_y--;
}
putpixel(snake.head_x,snake.head_y,LIGHTGREEN);
putpixel(snake.tail_x,snake.tail_y,0);
delay(50);
if(snake.tail_dir == LEFT)
{
snake.tail_x--;
}
if(snake.tail_dir == RIGHT)
{
snake.tail_x++;
}
if(snake.tail_dir == DOWN)
{
snake.tail_y++;
}
if(snake.tail_dir == UP)
{
snake.tail_y--;
}
}
//start food function
void food()
{
int difrencex = 10 - 630;
int difrencey = 30 - 470;
int salma = 0;
int foodx;
int foody;
time_t t;
srand((unsigned) time(&t));
for(int i=0;i<salma;i++)
rand();
foodx = (rand() % difrencex);
foody = (rand() % difrencey);
for(int i=0; 630>foodx>10 && 470>foody>30;i++)
{
foodx = (rand() % difrencex);
foody = (rand() % difrencey);
}
putpixel(foodx,foody,15);
salma++;
static int foodcount = 0;
score = 0;
int nextx;
int nexty;
nextx = snake.head_x;
nexty = snake.head_y;
if(snake.head_dir == RIGHT)
{
nextx++;
}
if(snake.head_dir == LEFT)
{
nextx--;
}
if(snake.head_dir == UP)
{
nexty--;
}
if(snake.head_dir == DOWN)
{
nexty++;
}
int nextpixel;
nextpixel = getpixel(nextx,nexty);
if(nextpixel==15)
{
if (snake.tail_dir == UP)
{
for ( int i = 0; i<101;i++)
putpixel (snake.tail_x,snake.tail_y+i,15);
snake.tail_y +=100;
}
if (snake.tail_dir == DOWN)
{
for (int i = 0; i<101;i++)
putpixel (snake.tail_x,snake.tail_y-i,15);
snake.tail_y -=100;
}
if (snake.tail_dir == LEFT)
{
for (int i = 0; i<101;i++)
putpixel (snake.tail_x+i,snake.tail_y,15);
snake.tail_x +=100;
//printf ("LEFT");
}
if (snake.tail_dir == RIGHT)
{
for ( int i = 0; i<101;i++)
putpixel (snake.tail_x-i,snake.tail_y,15);
snake.tail_x -=100;
//printf ("RIGHT");
}
foodcount--;
score+=10;
settextstyle(3,0,2);
sprintf(scorestring,"score : %d ",score);
outtextxy(1,0,scorestring);
}
}
//start function bouns
/*void bouns()
{
int difrencex = 620 - 20;
int difrencey = 460 - 40;
int salma = 0;
int bounsx;
int bounsy;
time_t t;
srand((unsigned) time(&t));
for(int i=0;i<salma;i++)
rand();
bounsx = (rand() % difrencex);
bounsy = (rand() % difrencey);
int j = 20;
setcolor(LIGHTBLUE);
circle(bounsx+j,bounsy+j,1);
salma++;
}*/
//Game Over
void GameOver()
{
if(snake.head_x <= 10 || snake.head_x >= 630 || snake.head_y <= 30 || snake.head_y >= 470)
{
settextstyle(3,0,2);
outtextxy(290,220,"Game Over");
delay(3000);
exit(1);
}
int nextx;
int nexty;
nextx = snake.head_x;
nexty = snake.head_y;
if(snake.head_dir == RIGHT)
{
nextx++;
}
if(snake.head_dir == LEFT)
{
nextx--;
}
if(snake.head_dir == UP)
{
nexty--;
}
if(snake.head_dir == DOWN)
{
nexty++;
}
int nextpixel;
nextpixel = getpixel(nextx,nexty);
if(nextpixel == LIGHTGREEN)
{
settextstyle(3,0,2);
outtextxy(290,220,"Game Over");
delay(3000);
exit(1);
}
}
//start function Game
void Game()
{
food();
//bouns();
while(1)
{
move();
GameOver();
}
}
//start function main
int main()
{
int g = 0,m;
initgraph(&g,&m,"");
int X =getmaxx();
int Y =getmaxy();
char string1[]=" Welcome to our Snake Game ";
char string2[]=" please choose from this menu ";
char string3[]=" 1.New Game ";
char string4[]=" 2.High Scores ";
char string5[]=" 3.Control Options ";
char string6[]=" 4.Exit ";
setcolor(9);
settextstyle(6,0,2);
outtextxy(X-555,Y-400,string1);
outtextxy(X-555,Y-350,string2);
outtextxy(X-450,Y-300,string3);
outtextxy(X-450,Y-250,string4);
outtextxy(X-450,Y-200,string5);
outtextxy(X-450,Y-150,string6);
char c;
do
{
c = (char) getch( );
if (c != 0)
{
cout<<(int) c;
switch (c)
{
case 49:
{
do
{
clearviewport();
screen();
GameDate();
Game();
}while(c!='e'|| c!='E');
break;
}
case 50:
{
clearviewport();
ifstream myfile;
myfile.open("highscores.txt");
if(myfile.fail())
cout<<"fail\n";
else
{
int l=0;
string k;
while(!myfile.eof())
{
getline(myfile,k);
int r=k.size();
char p[r];
for(int i=0;i<=r;i++)
{
p[i]=k[i];
}
outtextxy(X-450,Y-400," High Scores");
outtextxy(X-555,Y-350+l,p);
l+=20;
}
}
break;
}
case 51:
{
clearviewport();
ifstream myfile;
myfile.open("controloptions.txt");
if(myfile.fail())
cout<<"fail\n";
else
{
int l=0;
string k;
while(!myfile.eof())
{
getline(myfile,k);
int r=k.size();
char p[r];
for(int i=0;i<=r;i++)
{
p[i]=k[i];
}
outtextxy(X-450,Y-400," Control Options");
outtextxy(X-555,Y-350+l,p);
l+=20;
}
}
break;
}
}
}
}while (c != 52);
//screen();
//GameDate();
//Game();
getch();
closegraph();
return 0;
}