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#include <iostream>
#include <windows.h>
#include <stdlib.h>
#include <conio.h>
using namespace std;
typedef struct tailpos
{
int x;
int y;
struct tailpos *next;
struct tailpos *prev;
}
tail;
// d used to set the direction
int d=4; // up = 1 , down = 2 , left =3 , right = 4;
class snake
{
public:
int foodx,foody;
HANDLE console_handle;
COORD cur_cord;
tail *start,*current,*newtail;
snake();
void insert(int x , int y);
void draw();
void drawWall();
void move();
bool collision();
void drawfood(int x=0);
};
snake::snake()
{
start = NULL;
current = NULL;
newtail = NULL;
console_handle=GetStdHandle( STD_OUTPUT_HANDLE );
foodx=12;
foody=14;
}
void snake::drawWall()
{
// draw left column
cur_cord.X=0;
for(int y=0;y<=30;y++)
{.....
}
void snake::drawfood(int x)
{
tail *tmp;
tmp=start->next;
if(x==1) .....
}
void snake :: insert(int x , int y)
{
if(start == NULL)
{
newtail = new tail;
newtail->x=x;
newtail->y=y;
newtail->next=NULL;
newtail->prev=NULL;
start=newtail;
current=newtail;
}
else
{
newtail = new tail;
newtail->x=x;
newtail->y=y;
newtail->next=NULL;
newtail->prev=current;
current->next=newtail;
current=newtail;
}
}
void snake::move()
{
tail *tmp,*cur;
tmp =current;
while(tmp->prev!=NULL)
{
tmp->x=tmp->prev->x;
tmp->y=tmp->prev->y;
tmp=tmp->prev;
}
if(d==1)
start->y--;
if(d==2)
start->y++;
if(d==3)
start->x--;
if(d==4)
start->x++;
}
bool snake::collision()
{
tail *tmp;
tmp=start->next;
//check collision with itself
while(tmp->next!=NULL)
{
if(start->x == tmp->x && start->y == tmp->y)
return true;
tmp=tmp->next;
}
//check collision with food
if(start->x == foodx && start->y == foody)
{
insert(foodx,foody);
drawfood(1); // draw food at new position
}
//check collision with wall
//collision top
for(int x=0;x<=30;x++)
{
if(start->x == x .....
}
void snake::draw()
{
tail *tmp , *last;
tmp=start;
last = current;
while(tmp!=NULL)
{
cur_cord.X=tmp->x;
cur_cord.Y=tmp->y;
SetConsoleCursorPosition(console_handle,cur_cord);
cout << "#";
tmp=tmp->next;
}
// remove tail
cur_cord.X=last->x;
cur_cord.Y=last->y;
SetConsoleCursorPosition(console_handle,cur_cord);
cout << ' ';
//draw the food
cur_cord.X.....
}
int main()
{
......
}
getch();
return 0;
}
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