// ict1xx 24/10/2016
#include <stdio.h>
#include "console.c"
int x,y, dx=0,dy=1;

typedef struct coordinates{
	int x, y;
} Snake;
Snake snake[100];

void printXY(int x, int y, char s[]){
	gotoxy
	printf
}

void init(int n) {
	int i,j,mx=25,my=20;
	srand(time(NULL));
	SetCursorVisible(0,0);
	clrscr();
	printf("***************************\n");
	printf("*@                        *\n");
	printf("*                         *\n");
	printf("*                         *\n");
	printf("*                         *\n");
	printf("*                         *\n");
	printf("*                         *\n");
	printf("***************************\n");
	snake[4].x = 1;
	snake[4].y = 1;
	snake[2].y = 2;
	snake[0].y = 4;
}

void move(int ch){	// delta x, delta y
	dx = dy = 0;
	switch(ch) {
	case 72: /* up */
		dy=-1;	break;
	case 80: /* down */
		dy=+1;	break;
	case 75: /* left */
		dx=-2;	break;
	case 77: /* right */
		dx=+2;	break;
	}
}

main() {
	int bodyLen, ch, i,j;

	do{
		bodyLen=5;	x=1; y=4; dx=0; dy=1;
		init(bodyLen);
		for(i=0; i<bodyLen; i++) printXY(?, ?, "@");	// snake

		while(1){
			if(kbhit()){		// keyboard hit
				ch = getch();
				if(ch==224) move(getch());		// change dx, dy
			}
			x
			y

			printXY(?, ?, "@");	// new head
			printXY(?, ?, " ");	// old tail
			for(i=...) {
				snake[].x = 	// shift snake body
				snake[].y =
			}
			snake[0].x = ?;		// new snake head
			snake[0].y = ?;
			Sleep(100);

			if(...=food...){	// take the food
				bodyLen
				score
				food
			}
		}
	}while(1);
}

/*
(x,y)
(1,1) snake[4]=1
(1,2) snake[3]=2 snake[4]=2	// snake[4].y = snake[3].y
(1,3) snake[2]=3 snake[3]=3 snake[4]=3
(1,4) snake[1]=4 snake[2]=4 snake[3]=4
(1,5) snake[0]=5 snake[1]=5 snake[2]=5
(1,6)            snake[0]=6 snake[1]=6
(1,7)                       snake[0]=7
*/