Diff: PongEngine/PongEngine.cpp

Revision:

1:09a835e6d063

Parent:

0:7423345f87c5

Child:

2:c6772c5ab69d

--- a/PongEngine/PongEngine.cpp	Fri Jan 31 12:32:38 2020 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,174 +0,0 @@
-#include "PongEngine.h"
-
-PongEngine::PongEngine()
-{
-
-}
-
-PongEngine::~PongEngine()
-{
-
-}
-
-void PongEngine::init(int paddle_width,int paddle_height,int ball_size,int speed)
-{
-    // initialise the game parameters
-    _paddle_width = paddle_width;
-    _paddle_height = paddle_height;
-    _ball_size = ball_size;
-    _speed = speed;
-
-    // x position on screen - WIDTH is defined in N5110.h
-    _p1x = GAP;
-    _p2x = WIDTH - GAP - _paddle_width;
-
-    // puts paddles and ball in middle
-    _p1.init(_p1x,_paddle_height,_paddle_width);
-    _p2.init(_p2x,_paddle_height,_paddle_width);
-    _ball.init(_ball_size,_speed);
-}
-
-void PongEngine::read_input(Gamepad &pad)
-{
-    _d = pad.get_direction();
-    _mag = pad.get_mag();
-}
-
-void PongEngine::draw(N5110 &lcd)
-{
-    // draw the elements in the LCD buffer
-    // pitch
-    lcd.drawRect(0,0,WIDTH,HEIGHT,FILL_TRANSPARENT);
-    lcd.drawLine(WIDTH/2,0,WIDTH/2,HEIGHT-1,2);
-    //score
-    print_scores(lcd);
-    // paddles
-    _p1.draw(lcd);
-    _p2.draw(lcd);
-    // ball
-    _ball.draw(lcd);
-}
-
-void PongEngine::update(Gamepad &pad)
-{
-    check_goal(pad);
-    // important to update paddles and ball before checking collisions so can
-    // correct for it before updating the display
-    _p1.update(_d,_mag);
-    _p2.update(_d,_mag);
-    _ball.update();
-
-    check_wall_collision(pad);
-    check_paddle_collisions(pad);
-}
-
-void PongEngine::check_wall_collision(Gamepad &pad)
-{
-    // read current ball attributes
-    Vector2D ball_pos = _ball.get_pos();
-    Vector2D ball_velocity = _ball.get_velocity();
-
-    // check if hit top wall
-    if (ball_pos.y <= 1) {  //  1 due to 1 pixel boundary
-        ball_pos.y = 1;  // bounce off ceiling without going off screen
-        ball_velocity.y = -ball_velocity.y;
-        // audio feedback
-        pad.tone(750.0,0.1);
-    }
-    // check if hit bottom wall
-    else if (ball_pos.y + _ball_size >= (HEIGHT-1) ) { // bottom pixel is 47
-        // hit bottom
-        ball_pos.y = (HEIGHT-1) - _ball_size;  // stops ball going off screen
-        ball_velocity.y = -ball_velocity.y;
-        // audio feedback
-        pad.tone(750.0,0.1);
-    }
-
-    // update ball parameters
-    _ball.set_velocity(ball_velocity);
-    _ball.set_pos(ball_pos);
-}
-
-void PongEngine::check_paddle_collisions(Gamepad &pad)
-{
-    // read current ball attributes
-    Vector2D ball_pos = _ball.get_pos();
-    Vector2D ball_velocity = _ball.get_velocity();
-
-    // check p1 first
-    Vector2D p1_pos = _p1.get_pos();
-
-    // see if ball has hit the paddle by checking for overlaps
-    if (
-        (ball_pos.y >= p1_pos.y) && //top
-        (ball_pos.y <= p1_pos.y + _paddle_height) && //bottom
-        (ball_pos.x >= _p1x) && //left
-        (ball_pos.x <= _p1x + _paddle_width)  //right
-    ) {
-        // if it has, fix position and reflect x velocity
-        ball_pos.x = _p1x + _paddle_width;
-        ball_velocity.x = -ball_velocity.x;
-        // audio feedback
-        pad.tone(1000.0,0.1);
-    }
-
-    // check p2 next
-    Vector2D p2_pos = _p2.get_pos();
-
-    // see if ball has hit the paddle by checking for overlaps
-    if (
-        (ball_pos.y >= p2_pos.y) && //top
-        (ball_pos.y <= p2_pos.y + _paddle_height) && //bottom
-        (ball_pos.x + _ball_size >= _p2x) && //left
-        (ball_pos.x + _ball_size <= _p2x + _paddle_width)  //right
-    ) {
-        // if it has, fix position and reflect x velocity
-        ball_pos.x = _p2x - _ball_size;
-        ball_velocity.x = -ball_velocity.x;
-        // audio feedback
-        pad.tone(1000.0,0.1);
-    }
-
-    // write new attributes
-    _ball.set_velocity(ball_velocity);
-    _ball.set_pos(ball_pos);
-}
-
-void PongEngine::check_goal(Gamepad &pad)
-{
-    Vector2D ball_pos = _ball.get_pos();
-    // P2 has scored
-    if (ball_pos.x + _ball_size < 0) {
-        _p2.add_score();
-        _ball.init(_ball_size,_speed);
-        pad.tone(1500.0,0.5);
-        pad.leds_on();
-        wait(0.5);
-        pad.leds_off();
-    }
-
-    // P1 has scored
-    if (ball_pos.x > WIDTH) {
-        _p1.add_score();
-        _ball.init(_ball_size,_speed);
-        pad.tone(1500.0,0.5);
-        pad.leds_on();
-        wait(0.5);
-        pad.leds_off();
-    }
-}
-
-void PongEngine::print_scores(N5110 &lcd)
-{
-    // get scores from paddles
-    int p1_score = _p1.get_score();
-    int p2_score = _p2.get_score();
-
-    // print to LCD i
-    char buffer1[14];
-    sprintf(buffer1,"%2d",p1_score);
-    lcd.printString(buffer1,WIDTH/2 - 20,1);  // font is 8 wide, so leave 4 pixel gape from middle assuming two digits
-    char buffer2[14];
-    sprintf(buffer2,"%2d",p2_score);
-    lcd.printString(buffer2,WIDTH/2 + 4,1);
-}
\ No newline at end of file