Full coding of snake game in C language
#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <conio.h>
#include<time.h>
#include<ctype.h>
#include <time.h>
#include <windows.h>
#include <process.h>
#define UP 72
#define DOWN 80
#define LEFT 75
#define RIGHT 77
int length;
int bend_no;
int len;
char key;
void record();
void load();
int life;
void Delay(long double);
void Move();
void Food();
int Score();
void Print();
void gotoxy(int x, int y);
void GotoXY(int x,int y);
void Bend();
void Boarder();
void Down();
void Left();
void Up();
void Right();
void ExitGame();
int Scoreonly();
struct coordinate
{
int x;
int y;
int direction;
};
typedef struct coordinate coordinate;
coordinate head, bend[500],food,body[30];
int main()
{
char key;
Print();
system("cls");
load();
length=5;
head.x=25;
head.y=20;
head.direction=RIGHT;
Boarder();
Food(); //to generate food coordinates initially
life=3; //number of extra lives
bend[0]=head;
Move(); //initialing initial bend coordinate
return 0;
}
void Move()
{
int a,i;
do
{
Food();
fflush(stdin);
len=0;
for(i=0; i<30; i++)
{
body[i].x=0;
body[i].y=0;
if(i==length)
break;
}
Delay(length);
Boarder();
if(head.direction==RIGHT)
Right();
else if(head.direction==LEFT)
Left();
else if(head.direction==DOWN)
Down();
else if(head.direction==UP)
Up();
ExitGame();
}
while(!kbhit());
a=getch();
if(a==27)
{
system("cls");
exit(0);
}
key=getch();
if((key==RIGHT&&head.direction!=LEFT&&head.direction!=RIGHT)||(key==LEFT&&head.direction!=RIGHT&&head.direction!=LEFT)||(key==UP&&head.direction!=DOWN&&head.direction!=UP)||(key==DOWN&&head.direction!=UP&&head.direction!=DOWN))
{
bend_no++;
bend[bend_no]=head;
head.direction=key;
if(key==UP)
head.y--;
if(key==DOWN)
head.y++;
if(key==RIGHT)
head.x++;
if(key==LEFT)
head.x--;
Move();
}
else if(key==27)
{
system("cls");
exit(0);
}
else
{
printf("\a");
Move();
}
}
void gotoxy(int x, int y)
{
COORD coord;
coord.X = x;
coord.Y = y;
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
}
void GotoXY(int x, int y)
{
HANDLE a;
COORD b;
fflush(stdout);
b.X = x;
b.Y = y;
a = GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleCursorPosition(a,b);
}
void load()
{
int row,col,r,c,q;
gotoxy(36,14);
printf("loading...");
gotoxy(30,15);
for(r=1; r<=20; r++)
{
for(q=0; q<=100000000; q++); //to display the character slowly
printf("%c",177);
}
getch();
}
void Down()
{
int i;
for(i=0; i<=(head.y-bend[bend_no].y)&&len<length; i++)
{
GotoXY(head.x,head.y-i);
{
if(len==0)
printf("v");
else
printf("*");
}
body[len].x=head.x;
body[len].y=head.y-i;
len++;
}
Bend();
if(!kbhit())
head.y++;
}
void Delay(long double k)
{
Score();
long double i;
for(i=0; i<=(10000000); i++);
}
void ExitGame()
{
int i,check=0;
for(i=4; i<length; i++) //starts with 4 because it needs minimum 4 element to touch its own body
{
if(body[0].x==body[i].x&&body[0].y==body[i].y)
{
check++; //check's value increases as the coordinates of head is equal to any other body coordinate
}
if(i==length||check!=0)
break;
}
if(head.x<=10||head.x>=70||head.y<=10||head.y>=30||check!=0)
{
life--;
if(life>=0)
{
head.x=25;
head.y=20;
bend_no=0;
head.direction=RIGHT;
Move();
}
else
{
system("cls");
printf("All lives completed\nBetter Luck Next Time!!!\nPress any key to quit the game\n");
record();
exit(0);
}
}
}
void Food()
{
if(head.x==food.x&&head.y==food.y)
{
length++;
time_t a;
a=time(0);
srand(a);
food.x=rand()%70;
if(food.x<=10)
food.x+=11;
food.y=rand()%30;
if(food.y<=10)
food.y+=11;
}
else if(food.x==0)/*to create food for the first time coz global variable are initialized with 0*/
{
food.x=rand()%70;
if(food.x<=10)
food.x+=11;
food.y=rand()%30;
if(food.y<=10)
food.y+=11;
}
}
void Left()
{
int i;
for(i=0; i<=(bend[bend_no].x-head.x)&&len<length; i++)
{
GotoXY((head.x+i),head.y);
{
if(len==0)
printf("<");
else
printf("*");
}
body[len].x=head.x+i;
body[len].y=head.y;
len++;
}
Bend();
if(!kbhit())
head.x--;
}
void Right()
{
int i;
for(i=0; i<=(head.x-bend[bend_no].x)&&len<length; i++)
{
//GotoXY((head.x-i),head.y);
body[len].x=head.x-i;
body[len].y=head.y;
GotoXY(body[len].x,body[len].y);
{
if(len==0)
printf(">");
else
printf("*");
}
/*body[len].x=head.x-i;
body[len].y=head.y;*/
len++;
}
Bend();
if(!kbhit())
head.x++;
}
void Bend()
{
int i,j,diff;
for(i=bend_no; i>=0&&len<length; i--)
{
if(bend[i].x==bend[i-1].x)
{
diff=bend[i].y-bend[i-1].y;
if(diff<0)
for(j=1; j<=(-diff); j++)
{
body[len].x=bend[i].x;
body[len].y=bend[i].y+j;
GotoXY(body[len].x,body[len].y);
printf("*");
len++;
if(len==length)
break;
}
else if(diff>0)
for(j=1; j<=diff; j++)
{
/*GotoXY(bend[i].x,(bend[i].y-j));
printf("*");*/
body[len].x=bend[i].x;
body[len].y=bend[i].y-j;
GotoXY(body[len].x,body[len].y);
printf("*");
len++;
if(len==length)
break;
}
}
else if(bend[i].y==bend[i-1].y)
{
diff=bend[i].x-bend[i-1].x;
if(diff<0)
for(j=1; j<=(-diff)&&len<length; j++)
{
/*GotoXY((bend[i].x+j),bend[i].y);
printf("*");*/
body[len].x=bend[i].x+j;
body[len].y=bend[i].y;
GotoXY(body[len].x,body[len].y);
printf("*");
len++;
if(len==length)
break;
}
else if(diff>0)
for(j=1; j<=diff&&len<length; j++)
{
/*GotoXY((bend[i].x-j),bend[i].y);
printf("*");*/
body[len].x=bend[i].x-j;
body[len].y=bend[i].y;
GotoXY(body[len].x,body[len].y);
printf("*");
len++;
if(len==length)
break;
}
}
}
}
void Boarder()
{
system("cls");
int i;
GotoXY(food.x,food.y); /*displaying food*/
printf("F");
for(i=10; i<71; i++)
{
GotoXY(i,10);
printf("!");
GotoXY(i,30);
printf("!");
}
for(i=10; i<31; i++)
{
GotoXY(10,i);
printf("!");
GotoXY(70,i);
printf("!");
}
}
void Print()
{
//GotoXY(10,12);
printf("\tWelcome to the mini Snake game.(press any key to continue)\n");
getch();
system("cls");
printf("\tGame instructions:\n");
printf("\n-> Use arrow keys to move the snake.\n\n-> You will be provided foods at the several coordinates of the screen which you have to eat. Everytime you eat a food the length of the snake will be increased by 1 element and thus the score.\n\n-> Here you are provided with three lives. Your life will decrease as you hit the wall or snake's body.\n\n-> YOu can pause the game in its middle by pressing any key. To continue the paused game press any other key once again\n\n-> If you want to exit press esc. \n");
printf("\n\nPress any key to play game...");
if(getch()==27)
exit(0);
}
void record()
{
char plname[20],nplname[20],cha,c;
int i,j,px;
FILE *info;
info=fopen("record.txt","a+");
getch();
system("cls");
printf("Enter your name\n");
scanf("%[^\n]",plname);
//************************
for(j=0; plname[j]!='\0'; j++) //to convert the first letter after space to capital
{
nplname[0]=toupper(plname[0]);
if(plname[j-1]==' ')
{
nplname[j]=toupper(plname[j]);
nplname[j-1]=plname[j-1];
}
else nplname[j]=plname[j];
}
nplname[j]='\0';
//*****************************
//sdfprintf(info,"\t\t\tPlayers List\n");
fprintf(info,"Player Name :%s\n",nplname);
//for date and time
time_t mytime;
mytime = time(NULL);
fprintf(info,"Played Date:%s",ctime(&mytime));
//**************************
fprintf(info,"Score:%d\n",px=Scoreonly());//call score to display score
//fprintf(info,"\nLevel:%d\n",10);//call level to display level
for(i=0; i<=50; i++)
fprintf(info,"%c",'_');
fprintf(info,"\n");
fclose(info);
printf("Wanna see past records press 'y'\n");
cha=getch();
system("cls");
if(cha=='y')
{
info=fopen("record.txt","r");
do
{
putchar(c=getc(info));
}
while(c!=EOF);
}
fclose(info);
}
int Score()
{
int score;
GotoXY(20,8);
score=length-5;
printf("SCORE : %d",(length-5));
score=length-5;
GotoXY(50,8);
printf("Life : %d",life);
return score;
}
int Scoreonly()
{
int score=Score();
system("cls");
return score;
}
void Up()
{
int i;
for(i=0; i<=(bend[bend_no].y-head.y)&&len<length; i++)
{
GotoXY(head.x,head.y+i);
{
if(len==0)
printf("^");
else
printf("*");
}
body[len].x=head.x;
body[len].y=head.y+i;
len++;
}
Bend();
if(!kbhit())
head.y--;
}
#include <time.h>
#include <stdlib.h>
#include <conio.h>
#include<time.h>
#include<ctype.h>
#include <time.h>
#include <windows.h>
#include <process.h>
#define UP 72
#define DOWN 80
#define LEFT 75
#define RIGHT 77
int length;
int bend_no;
int len;
char key;
void record();
void load();
int life;
void Delay(long double);
void Move();
void Food();
int Score();
void Print();
void gotoxy(int x, int y);
void GotoXY(int x,int y);
void Bend();
void Boarder();
void Down();
void Left();
void Up();
void Right();
void ExitGame();
int Scoreonly();
struct coordinate
{
int x;
int y;
int direction;
};
typedef struct coordinate coordinate;
coordinate head, bend[500],food,body[30];
int main()
{
char key;
Print();
system("cls");
load();
length=5;
head.x=25;
head.y=20;
head.direction=RIGHT;
Boarder();
Food(); //to generate food coordinates initially
life=3; //number of extra lives
bend[0]=head;
Move(); //initialing initial bend coordinate
return 0;
}
void Move()
{
int a,i;
do
{
Food();
fflush(stdin);
len=0;
for(i=0; i<30; i++)
{
body[i].x=0;
body[i].y=0;
if(i==length)
break;
}
Delay(length);
Boarder();
if(head.direction==RIGHT)
Right();
else if(head.direction==LEFT)
Left();
else if(head.direction==DOWN)
Down();
else if(head.direction==UP)
Up();
ExitGame();
}
while(!kbhit());
a=getch();
if(a==27)
{
system("cls");
exit(0);
}
key=getch();
if((key==RIGHT&&head.direction!=LEFT&&head.direction!=RIGHT)||(key==LEFT&&head.direction!=RIGHT&&head.direction!=LEFT)||(key==UP&&head.direction!=DOWN&&head.direction!=UP)||(key==DOWN&&head.direction!=UP&&head.direction!=DOWN))
{
bend_no++;
bend[bend_no]=head;
head.direction=key;
if(key==UP)
head.y--;
if(key==DOWN)
head.y++;
if(key==RIGHT)
head.x++;
if(key==LEFT)
head.x--;
Move();
}
else if(key==27)
{
system("cls");
exit(0);
}
else
{
printf("\a");
Move();
}
}
void gotoxy(int x, int y)
{
COORD coord;
coord.X = x;
coord.Y = y;
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
}
void GotoXY(int x, int y)
{
HANDLE a;
COORD b;
fflush(stdout);
b.X = x;
b.Y = y;
a = GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleCursorPosition(a,b);
}
void load()
{
int row,col,r,c,q;
gotoxy(36,14);
printf("loading...");
gotoxy(30,15);
for(r=1; r<=20; r++)
{
for(q=0; q<=100000000; q++); //to display the character slowly
printf("%c",177);
}
getch();
}
void Down()
{
int i;
for(i=0; i<=(head.y-bend[bend_no].y)&&len<length; i++)
{
GotoXY(head.x,head.y-i);
{
if(len==0)
printf("v");
else
printf("*");
}
body[len].x=head.x;
body[len].y=head.y-i;
len++;
}
Bend();
if(!kbhit())
head.y++;
}
void Delay(long double k)
{
Score();
long double i;
for(i=0; i<=(10000000); i++);
}
void ExitGame()
{
int i,check=0;
for(i=4; i<length; i++) //starts with 4 because it needs minimum 4 element to touch its own body
{
if(body[0].x==body[i].x&&body[0].y==body[i].y)
{
check++; //check's value increases as the coordinates of head is equal to any other body coordinate
}
if(i==length||check!=0)
break;
}
if(head.x<=10||head.x>=70||head.y<=10||head.y>=30||check!=0)
{
life--;
if(life>=0)
{
head.x=25;
head.y=20;
bend_no=0;
head.direction=RIGHT;
Move();
}
else
{
system("cls");
printf("All lives completed\nBetter Luck Next Time!!!\nPress any key to quit the game\n");
record();
exit(0);
}
}
}
void Food()
{
if(head.x==food.x&&head.y==food.y)
{
length++;
time_t a;
a=time(0);
srand(a);
food.x=rand()%70;
if(food.x<=10)
food.x+=11;
food.y=rand()%30;
if(food.y<=10)
food.y+=11;
}
else if(food.x==0)/*to create food for the first time coz global variable are initialized with 0*/
{
food.x=rand()%70;
if(food.x<=10)
food.x+=11;
food.y=rand()%30;
if(food.y<=10)
food.y+=11;
}
}
void Left()
{
int i;
for(i=0; i<=(bend[bend_no].x-head.x)&&len<length; i++)
{
GotoXY((head.x+i),head.y);
{
if(len==0)
printf("<");
else
printf("*");
}
body[len].x=head.x+i;
body[len].y=head.y;
len++;
}
Bend();
if(!kbhit())
head.x--;
}
void Right()
{
int i;
for(i=0; i<=(head.x-bend[bend_no].x)&&len<length; i++)
{
//GotoXY((head.x-i),head.y);
body[len].x=head.x-i;
body[len].y=head.y;
GotoXY(body[len].x,body[len].y);
{
if(len==0)
printf(">");
else
printf("*");
}
/*body[len].x=head.x-i;
body[len].y=head.y;*/
len++;
}
Bend();
if(!kbhit())
head.x++;
}
void Bend()
{
int i,j,diff;
for(i=bend_no; i>=0&&len<length; i--)
{
if(bend[i].x==bend[i-1].x)
{
diff=bend[i].y-bend[i-1].y;
if(diff<0)
for(j=1; j<=(-diff); j++)
{
body[len].x=bend[i].x;
body[len].y=bend[i].y+j;
GotoXY(body[len].x,body[len].y);
printf("*");
len++;
if(len==length)
break;
}
else if(diff>0)
for(j=1; j<=diff; j++)
{
/*GotoXY(bend[i].x,(bend[i].y-j));
printf("*");*/
body[len].x=bend[i].x;
body[len].y=bend[i].y-j;
GotoXY(body[len].x,body[len].y);
printf("*");
len++;
if(len==length)
break;
}
}
else if(bend[i].y==bend[i-1].y)
{
diff=bend[i].x-bend[i-1].x;
if(diff<0)
for(j=1; j<=(-diff)&&len<length; j++)
{
/*GotoXY((bend[i].x+j),bend[i].y);
printf("*");*/
body[len].x=bend[i].x+j;
body[len].y=bend[i].y;
GotoXY(body[len].x,body[len].y);
printf("*");
len++;
if(len==length)
break;
}
else if(diff>0)
for(j=1; j<=diff&&len<length; j++)
{
/*GotoXY((bend[i].x-j),bend[i].y);
printf("*");*/
body[len].x=bend[i].x-j;
body[len].y=bend[i].y;
GotoXY(body[len].x,body[len].y);
printf("*");
len++;
if(len==length)
break;
}
}
}
}
void Boarder()
{
system("cls");
int i;
GotoXY(food.x,food.y); /*displaying food*/
printf("F");
for(i=10; i<71; i++)
{
GotoXY(i,10);
printf("!");
GotoXY(i,30);
printf("!");
}
for(i=10; i<31; i++)
{
GotoXY(10,i);
printf("!");
GotoXY(70,i);
printf("!");
}
}
void Print()
{
//GotoXY(10,12);
printf("\tWelcome to the mini Snake game.(press any key to continue)\n");
getch();
system("cls");
printf("\tGame instructions:\n");
printf("\n-> Use arrow keys to move the snake.\n\n-> You will be provided foods at the several coordinates of the screen which you have to eat. Everytime you eat a food the length of the snake will be increased by 1 element and thus the score.\n\n-> Here you are provided with three lives. Your life will decrease as you hit the wall or snake's body.\n\n-> YOu can pause the game in its middle by pressing any key. To continue the paused game press any other key once again\n\n-> If you want to exit press esc. \n");
printf("\n\nPress any key to play game...");
if(getch()==27)
exit(0);
}
void record()
{
char plname[20],nplname[20],cha,c;
int i,j,px;
FILE *info;
info=fopen("record.txt","a+");
getch();
system("cls");
printf("Enter your name\n");
scanf("%[^\n]",plname);
//************************
for(j=0; plname[j]!='\0'; j++) //to convert the first letter after space to capital
{
nplname[0]=toupper(plname[0]);
if(plname[j-1]==' ')
{
nplname[j]=toupper(plname[j]);
nplname[j-1]=plname[j-1];
}
else nplname[j]=plname[j];
}
nplname[j]='\0';
//*****************************
//sdfprintf(info,"\t\t\tPlayers List\n");
fprintf(info,"Player Name :%s\n",nplname);
//for date and time
time_t mytime;
mytime = time(NULL);
fprintf(info,"Played Date:%s",ctime(&mytime));
//**************************
fprintf(info,"Score:%d\n",px=Scoreonly());//call score to display score
//fprintf(info,"\nLevel:%d\n",10);//call level to display level
for(i=0; i<=50; i++)
fprintf(info,"%c",'_');
fprintf(info,"\n");
fclose(info);
printf("Wanna see past records press 'y'\n");
cha=getch();
system("cls");
if(cha=='y')
{
info=fopen("record.txt","r");
do
{
putchar(c=getc(info));
}
while(c!=EOF);
}
fclose(info);
}
int Score()
{
int score;
GotoXY(20,8);
score=length-5;
printf("SCORE : %d",(length-5));
score=length-5;
GotoXY(50,8);
printf("Life : %d",life);
return score;
}
int Scoreonly()
{
int score=Score();
system("cls");
return score;
}
void Up()
{
int i;
for(i=0; i<=(bend[bend_no].y-head.y)&&len<length; i++)
{
GotoXY(head.x,head.y+i);
{
if(len==0)
printf("^");
else
printf("*");
}
body[len].x=head.x;
body[len].y=head.y+i;
len++;
}
Bend();
if(!kbhit())
head.y--;
}
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