File content as of revision 6:bf90044188d0:

#include "snake.h"

Snake::Snake()
{

}

Snake::~Snake()
{
}



void Snake::init()
{
    _x0 = 48;
    _x1 = 48;
    _x2 = 48;
    _x3 = 48;

    _y0 = 20;
    _y1 = 19;
    _y2 = 18;
    _y3 = 17;

    //  Vector2D SK0 {_x0, _y0};
    // Vector2D SK1 {_x1, _y1};
    //Vector2D SK2 {_x2, _y2};
    //Vector2D SK3 {_x3, _y3};

    _gameover = false;
    _score = 0;
    _direction = up;
                                      //  Vector2D *_snakebody = new Vector2D [_length];
}


void Snake::check_score(N5110 &lcd, Gamepad &pad, Apple &apple, Timer &timer)
{


    Vector2D Apos = apple.get_Applepos(lcd);
    //   printf("apple coordinate =, %d , %d",Apos.x, Apos.y);               //need to code clear apple and make sure apple isnt spawning every time
    if((_x0 == Apos.x) && (_y0 == Apos.y)) {

        lcd.setPixel(Apos.x, Apos.y, 0);   // Plem:: Wanted to make sure that this didnt clear the pixel of the snake as it passes through it
        _score++;
        timer.reset();
               //by waiting unil the snake has passed through before clearing the old apple however the new apple spawn needs to be ASAP after collection
        //randomises new values for _apx,_apy and draws on lcd -- draws on next loop-- the position is not needed until we compare it to Snakehead
        pad.tone(1500.0,0.5);          //need to clear apple
        pad.leds_on();
        wait(0.5);
        pad.leds_off();


        lcd.refresh();

    }

}


void Snake::check_collisions()   //code where it hits itself
{
    if (_x0 == 0 ||_x0 == 84 || _y0 == 0 || _y1 == 42) {   //how do i access snakehead.headx

        _gameover = true;
    } else {
        _gameover = _gameover;
    }
}




void Snake::render(N5110 &lcd, Apple &apple)
{

    Vector2D Apos = apple.get_Applepos(lcd);
    lcd.setPixel(Apos.x, Apos.y,1);
    lcd.drawRect(0, 0, 84, 42, FILL_TRANSPARENT);

    lcd.setPixel(_x0, _y0,1);
    lcd.setPixel(_x1, _y1,1);
    lcd.setPixel(_x2, _y2,1);
    lcd.setPixel(_x3, _y3,1);

//   lcd.printString("       &d      ",0,0, _display_time);

}

void Snake::get_position(Gamepad &pad)
{
    Directions direction = _direction;
    if(direction != left) {
        if (pad.A_pressed()) {

            _direction = right;
        }
    }
    if(direction != right) {
        if (pad.B_pressed()) {

            _direction = left;
        }                                 //check these are orrecrt
    }
    if(direction != down) {
        if (pad.X_pressed()) {

            _direction = up;
        }
    }
    if(direction != up) {
        if (pad.Y_pressed()) {

            _direction = down;
        } else {
            _direction = direction;
        }


        if (_direction == up) {           //           /-/
            _x3 = _x2;
            _y3 = _y2;
            _x2 = _x1;
            _y2 = _y1;
            _x1 = _x0;
            _y1 = _y0;

            _x0 = _x0;
            _y0 = _y0 + 1;

            ///// alters Snakehead initial value
            //    Does this code look okay ? returning _direction in previous function and accessing it in this one - _direction should be member function
        }
        if (_direction == down) {
            _x3 = _x2;
            _y3 = _y2;
            _x2 = _x1;
            _y2 = _y1;
            _x1 = _x0;
            _y1 = _y0;

            _x0 = _x0;
            _y0 = _y0 - 1;

        }
        if (_direction == left) {

            _x3 = _x2;
            _y3 = _y2;
            _x2 = _x1;
            _y2 = _y1;
            _x1 = _x0;
            _y1 = _y0;

            _x0 = _x0 - 1;
            _y0 = _y0;



        }

        if (_direction == right) {
            _x3 = _x2;
            _y3 = _y2;
            _x2 = _x1;
            _y2 = _y1;
            _x1 = _x0;
            _y1 = _y0;

            _x0 = _x0 + 1;
            _y0 = _y0;


        }

    }

}

//MAKE WALL CLASS // MAIN  MENU DIFFERENT DIFFUCLTIES CHANGING fps
//DRAW RECTANGLE - SHRINK // CHANE SHAPE AFTER CERTAIN SCORE --- SET UP TIMER

//NOTES - maybe make 2 player - joystick is player 2






void Snake::get_LEDs(Gamepad &pad)
{
    pad.leds_off();

    if (_x0 >= 42 && _y0 >= 24) {
        // top right led on

        pad.led(4, 1);
    }
    // topleft led on
    if (_x0 <= 42 && _y0 >=24) {
        // top right led on
        pad.led(1, 1);
    }
    //bottom left
    if (_x0 <=42 && _y0 <= 24) {

        pad.led(3,1);
    }
    //bottom right
    if (_x0 >= 42 && _y0 <= 24) {
        // top right led on
        pad.led(6, 1);
    }
}


void Snake::get_timer(Timer &timer)
{
    _realtime = timer.read();
    _display_time = (Reset_value - _realtime);

    if(_realtime == Reset_value) {
        _gameover = true;
    }

    if (0 <= _score && _score < 10) {
        Reset_value = 12;
    }
    if (10 <= _score && _score < 15) {
        Reset_value = 10;
    }
    if (15 <= _score && _score < 20) {
        Reset_value = 8;
    } else {
        Reset_value = 6;
    }



}


bool Snake::get_gameover()
{
    return _gameover;
}
int Snake::get_score()
{
    return _score;
}

void Snake::print_scores(N5110 &lcd)
{
    int score = _score;

    char buffer1[14];
    sprintf(buffer1,"%2d",score);
    lcd.printString(buffer1,WIDTH/2 - 3,1);  // font is 8 wide, so leave 4 pixel gape from middle assuming two digits
    char buffer2[14];
}

void Snake::print_display_time(N5110 &lcd)
{
        int countdown = _realtime;

    char buffer1[14];
    sprintf(buffer1,"%2d",countdown);
    lcd.printString(buffer1,WIDTH/2,1);  // font is 8 wide, so leave 4 pixel gape from middle assuming two digits
    char buffer2[14];
}