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Create Snake Game in C #6

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287 changes: 287 additions & 0 deletions Snake Game in C
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Original file line number Diff line number Diff line change
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#include<graphics.h>
#include<stdlib.h>
#include<stdio.h>
#include<conio.h>
#include<process.h>
#include<dos.h>

#define UP_KEY 'H'
#define RIGHT_KEY 'M'
#define DOWN_KEY 'P'
#define LEFT_KEY 'K'

#define UP_DIRECTION 3
#define RIGHT_DIRECTION 1
#define DOWN_DIRECTION 4
#define LEFT_DIRECTION 2

#define True 1
#define False 0

typedef struct node
{
int x,y,radius;
struct node *next;
}node;

typedef struct queue
{
node *rear,*front;
}queue;

void init(queue *t)
{
t->rear=t->front=NULL;
}

int empty(queue *t)
{
if(t->rear==NULL)
return 0;
return 1;
}

void insert(queue *t,int x1,int y1,int r1)
{
node *p;
p=(node*)malloc(sizeof(node));
p->x=x1;
p->y=y1;
p->radius=r1;
p->next=NULL;

if(t->rear==NULL)
{
t->front=t->rear=p;
}
else
{
(t->rear)->next=p;
t->rear=p;
}
}

int delete(queue *t)
{
int x;
node *u;
u=t->front;

if(t->rear==t->front)
{
init(t);
}
else
{
t->front=(t->front)->next;
}
free(u);
return x;
}

void display_snake(queue *t)
{
node *s;
s=t->front;
while(s!=NULL)
{
circle(s->x,s->y,s->radius);
s=s->next;
}
}

void init_snake(queue *t)
{
insert(t,6,204,3);
insert(t,12,204,3);
insert(t,18,204,3);
insert(t,24,204,3);
insert(t,30,204,3);
// so now next node will be insert(t,36,204,3)
// check variable snake_head_x_cord and snake_head_y_cord
// in main function
}

void main()
{
queue p,*t=&p;
node *s;
int snake_head_x_cord=36,snake_head_y_cord=204,dir=RIGHT_DIRECTION,draw_food=True,i,score=0,food_x_cord,food_y_cord,gdriver = DETECT, gmode;
char key_pressed;
initgraph(&gdriver, &gmode, "");
init(t);
init_snake(t);
printf("\n\n\n\n\n\n\t\tUse Arrow Keys To Controll Snake\n\t\t\tPress 'q' to Quit\n\t\t\tPress Enter to Play");
getch();
cleardevice();
display_snake(t);
rectangle(1,7,485,455);
rectangle(3,9,483,453);
gotoxy(65,10);
printf("score:{b15f91eef52e7c6d40fd3fe45227e26332e4c02be027e4e72c6ecf7adacefb97}d",score);

// Loop forever until snake collide with walls or himself
while(True)
{
if(draw_food==True)
{
// find co-ordinates for food
while(True)
{
food_x_cord=random(480);
food_y_cord=random(450);

// new food generated should have correct x and y co-ordinate, so
// that it will match with x&y co-ordinates of head of snake to occur
// collision
if(food_x_cord{b15f91eef52e7c6d40fd3fe45227e26332e4c02be027e4e72c6ecf7adacefb97}6==0&&food_y_cord{b15f91eef52e7c6d40fd3fe45227e26332e4c02be027e4e72c6ecf7adacefb97}6==0&&food_x_cord>5&&food_y_cord>11)
break;
}
}
// draw food
circle(food_x_cord,food_y_cord,3);
draw_food=False;

// if snake collide with food
if((t->rear)->x==food_x_cord&&(t->rear)->y==food_y_cord)
{
score++;
draw_food=True;
sound(11000);
delay(20);
nosound();

// increase length of snake by 1,
// i.e. add new node in front of head node
if(dir==RIGHT_DIRECTION)
insert(t,snake_head_x_cord+4,snake_head_y_cord,5);
if(dir==LEFT_DIRECTION)
insert(t,snake_head_x_cord-4,snake_head_y_cord,5);
if(dir==UP_DIRECTION)
insert(t,snake_head_x_cord,snake_head_y_cord-4,5);
if(dir==4)
insert(t,snake_head_x_cord,snake_head_y_cord+4,5);

}

// read key pressed by user
if(kbhit())
{
key_pressed=getch();
if(key_pressed=='q')
exit(0);
key_pressed=getch();
}

// set the direction of snake
if(key_pressed==LEFT_KEY&&dir!=RIGHT_DIRECTION)
dir=LEFT_DIRECTION;
if(key_pressed==RIGHT_KEY&&dir!=LEFT_DIRECTION)
dir=RIGHT_DIRECTION;
if(key_pressed==UP_KEY&&dir!=DOWN_DIRECTION)
dir=UP_DIRECTION;
if(key_pressed==DOWN_KEY&&dir!=UP_DIRECTION)
dir=DOWN_DIRECTION;

// turn and move snake according to key pressed by user
if(dir==RIGHT_DIRECTION)
{
snake_head_x_cord=snake_head_x_cord+6;
display_snake(t);
circle(food_x_cord,food_y_cord,3);
// Delete node from tail
delete(t);
// insert node next to head
insert(t,snake_head_x_cord,snake_head_y_cord,3);
rectangle(1,7,485,455);
rectangle(3,9,483,453);
gotoxy(65,10);
printf("score:{b15f91eef52e7c6d40fd3fe45227e26332e4c02be027e4e72c6ecf7adacefb97}d",score);
delay(50);
cleardevice();
}

if(dir==LEFT_DIRECTION)
{
snake_head_x_cord=snake_head_x_cord-6;
display_snake(t);
circle(food_x_cord,food_y_cord,3);
// Delete node from tail
delete(t);
// insert node next to head
insert(t,snake_head_x_cord,snake_head_y_cord,3);
rectangle(1,7,485,455);
rectangle(3,9,483,453);
gotoxy(65,10);
printf("score:{b15f91eef52e7c6d40fd3fe45227e26332e4c02be027e4e72c6ecf7adacefb97}d",score);
delay(50);
cleardevice();
}

if(dir==UP_DIRECTION)
{
snake_head_y_cord=snake_head_y_cord-6;
display_snake(t);
circle(food_x_cord,food_y_cord,3);
// Delete node from tail
delete(t);
// insert node next to head
insert(t,snake_head_x_cord,snake_head_y_cord,3);
rectangle(1,7,485,455);
rectangle(3,9,483,453);
gotoxy(65,10);
printf("score:{b15f91eef52e7c6d40fd3fe45227e26332e4c02be027e4e72c6ecf7adacefb97}d",score);
delay(50);
cleardevice();
}

if(dir==DOWN_DIRECTION)
{
snake_head_y_cord=snake_head_y_cord+6;
display_snake(t);
circle(food_x_cord,food_y_cord,3);
// Delete node from tail
delete(t);
// insert node next to head
insert(t,snake_head_x_cord,snake_head_y_cord,3);
rectangle(1,7,485,455);
rectangle(3,9,483,453);
gotoxy(65,10);
printf("score:{b15f91eef52e7c6d40fd3fe45227e26332e4c02be027e4e72c6ecf7adacefb97}d",score);
delay(50);
cleardevice();
}

s=t->front;

while(s->next->next!=NULL)
{
// condtion to Check if snake hit the walls or himself
if(s->x==(t->rear)->x&&s->y==(t->rear)->y||(t->rear)->x<6||(t->rear)->y<12||(t->rear)->x>480||(t->rear)->y>450)
{
// blick the screen if snake hits wall or himself
for(i=0;i<5;i++)
{
sound(4000);
delay(20);
nosound();
gotoxy(65,10);
printf("score:{b15f91eef52e7c6d40fd3fe45227e26332e4c02be027e4e72c6ecf7adacefb97}d",score);
rectangle(1,7,485,455);
rectangle(3,9,483,453);
circle(food_x_cord,food_y_cord,3);
delay(280);
display_snake(t);
delay(300);
cleardevice();
}
goto end;
}
s=s->next;
}
}
end:
printf("\n\n\n\n\n\t\t\t\tEnd");
getch();
}