File content as of revision 4:748e3ff14e72:

#include "GameEngine.h"
GameEngine::GameEngine()
{

}

GameEngine::~GameEngine()
{

}

void GameEngine::init(int shx, int shy, int apx, int apy, int Oshx, int Oshy)
{
    _shx = shx;
    _shy = shy;
    _apx = apx;
    _apy = apy;
    _Oshx = Oshx;
    _Oshy = Oshy;
}



void GameEngine::set_Snakehead(Vector2D Snakehead)
{
    Snakehead.x = _shx;
    Snakehead.y = _shy;
}

Vector2D GameEngine::get_Snakehead()
{
    Vector2D Snakehead = {_shx, _shy};
    return Snakehead;
}

Vector2D GameEngine::get_oldSnakehead() 
{
    Vector2D oldSnakehead = {_Oshx, _Oshy};
    return oldSnakehead;
}

Vector2D GameEngine::get_Applepos()
{
    Vector2D Applepos = {_apx, _apy};
    return Applepos;
}


void GameEngine::set_Applepos(N5110 &lcd)
{

    int appleposx = rand()%84;             
    int appleposy = rand()%24;             //ROB apparently rand() is seeded so will generate same position each time - do you know any other random methods to put here?


    if(lcd.getPixel(appleposx, appleposy)) {      // this pixel is set -- 'if it is already filled on lcd, pick new position'
        appleposx = rand()%84;
        appleposy = rand()%24;   //  making sure the apple doesnt spawn inside the snakes body or wall which would increase the score
    } else {


        _apx = appleposx;                 //i and j are fed into applepos.x/y -- those values are then fed into set_applepos which assigngs that value to _appleposx/y which then is fed into get_applepos where it is stored and returned
        _apy = appleposy;      //alters value of private variable - this can then be accessed by get_Applepos

        lcd.setPixel(_apx,_apy, true);
    }
}


//void GameEngine::clear_applepos(N5110 &lcd) {
//   int length = _snake.get_Length();
//   wait(length x fps);
//   lcd.setPixel(Applepos.x, Applepos.y,0);
// }
//void Snakerender_apple()
// lcd.setPixel(_apx,_apy, true);