File content as of revision 8:52e0506e98b8:

#include "Game.h"


Snake::Snake()
{

}

Snake::~Snake()
{

}

void Snake::init(int x, int y)
{
     _length = 5;
    _oldDirection = 'N';
    memset(_x, 0, sizeof(_x));  
    memset(_y, 0, sizeof(_y));  


    for (int i = 0; i < _length; i++) { 
        _x[i] = x;                     
        _y[i] = y + i;                
    }
    
    printf("Snake init\n");
}

void Snake::update(Direction d)
{
   
    for (int i = _length-1; i >= 1; i--) {
        _x[i] =  _x[i-1];
        _y[i] =  _y[i-1];
    }

    if (_oldDirection == 'N') {         
        _y[0] = _y[0] - 1;}                     
    else if (_oldDirection == 'S') {
         _y[0] = _y[0] + 1;}
    else if (_oldDirection == 'E') {
        _x[0] = _x[0] + 1;}
    else if (_oldDirection == 'W') {
        _x[0] = _x[0] - 1;}
    };
        printf(" Direction changed\n");
    switch(d){
        case N:
             if(_oldDirection !='S')
             {
                 _y[0] = _y[0] - 1;                       
                _oldDirection = 'N';               
                printf("_oldDirection change to North\n");
                
            }
            break;
            
        case S:
            if(_oldDirection !='N'){
                 _y[0] = _y[0] + 1;
                _oldDirection = 'S';
                printf("_oldDirection change to South\n");
                
                }
                break;
         
        case E:
            if(_oldDirection != 'W'){
                _x[0] = _x[0] + 1;
                _oldDirection = 'E';
                printf("_oldDirection change to East\n");
                
                }
            break;
        case W:
            if(_oldDirection != 'E'){
                 _x[0] = _x[0]- 1;
                _oldDirection = 'W';
                printf("_oldDirection change to West\n");
                
                }break;
}
                                       

    }

int Snake::getLength()
{
    return _length;
    printf("return _length\n");
}

void Snake::grow()
{
    _length =_length + 1;  
    printf("length + 1\n");
}
int Snake::getX(int head)
{
    return _x[head];
    printf("return _x[head]\n");
}

int Snake::getY(int head)
{
    return _y[head];
    printf("return _y[head]\n");
}