Requirments: Turbo C++ compiler
If you face any graphics error ,follow these steps.
- Go to “BGI” folder. ( C:\TurboC++\Disk\TurboC3\BGI).
- Copy file “EGAVGA.BGI”
- Got “BIN” folder. ( C:\TurboC++\Disk\TurboC3\BIN).
- Paste “EGAVGA.BGI” file .
- Close Turbo C++ and open it again and run program.
How snake game works?:
- Initialize the snake by inserting 4 nodes in queue
- Print the queue, these 4 nodes will create snake
- To move the snake, add new node in front of head and delete node from tail
- clear screen and redraw the screen
- This will create illusion of moving snake
- If snake hits the food then add extra node in queue
- if snake hits the wall or himself then end the game
Download .C file-> SNAKE ( Right click & Save link As). Copy paste code on your local machine
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//http://gauravvichare.com/snake-game-in-c-language-using-queue/ #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:%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%6==0&&food_y_cord%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:%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:%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:%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:%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:%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(); } |
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