breakout/breakout.js

var score = 0;
var highscore = 0;
var lives = 3;
var balls = 0;

var lvlwidth = 450;
var lvlheight = 600;

let bricks = 0;
let allbricks = [];

//var frameworld = World

var f = World.spawn(gameobjects['edge2d']);
f.edge2d.cpoints = Geometry.box(lvlwidth,lvlheight);
f.edge2d.thickness = 10;
f.draw = function() {
  Debug.line(f.edge2d.points, Color.green, 0, f.edge2d.thickness*2);
};

register_draw(f.draw,f);

Debug.draw_phys(true);

var brick = World.spawn(gameobjects['brick']);
var brickbb = brick.char.boundingbox;
var bwidth = brickbb.r - brickbb.l;
var bheight = brickbb.t-brickbb.b;
brick.kill();

var fitbricks = Math.floor(lvlwidth/bwidth);

let wingame = function() {
  allballs.forEach(x=>x.kill());
  Log.warn("WINNER");
  Player.players[0].uncontrol(paddle);

  register_gui(function() {
    GUI.text("WINNER", Window.dimensions.scale(0.5));
  });
}

let killbrick = function() {
  bricks--;

  if (bricks <= 0)
    wingame();
};

var rowbricks = 8;
for (var row = 0; row < rowbricks; row++) {
  for (var col = 0; col < 6; col++) {
    var brick = World.spawn(gameobjects['brick']);
    allbricks.push(brick);
    brick.stop = function() { killbrick(); };
    bricks++;

    var bcolor = Rainbow.red;
    switch (col) {
      case 0:
        bcolor = Rainbow.red;
	break;
      case 1:
        bcolor = Rainbow.orange;
	break;
      case 2:
        bcolor = Rainbow.darkorange;
	break;
      case 3:
        bcolor = Rainbow.yellow;
	break;
      case 4:
        bcolor = Rainbow.green;
	break;
      case 5:
        bcolor = Rainbow.blue;
	break;
    }
    brick.char.color = bcolor;
    var startcol = lvlheight/2-50; // 50 pixel gap between top and brick start
    let x = -(rowbricks/2) * bwidth;
    var pos = [x+bwidth*row+bwidth/2, startcol-bheight*col];
    brick.pos = pos;

    if (Math.random() < 0.1) {
      if (Math.random() < 0.5) {
        brick.powerup = function() {
	  var p = spawn_powerup(this.pos, () => Gamestate.spawnball());
	  p.color = Rainbow.blue;
	}
      } else {
        brick.powerup = function() {
	  var p = spawn_powerup(this.pos, () => paddle.grow());
	  p.color = Rainbow.green;
	}
      }
    }
  }
}
var paddle = World.spawn(gameobjects['paddle']);
paddle.extents = lvlwidth/2 - f.edge2d.thickness;
paddle.pos = [0,-lvlheight/2+paddle.height*4];
paddle.setgrow(1);

let allballs = [];

Gamestate.spawnball = function() {
  var bb = World.spawn(gameobjects['ball']);
  bb.pos = bb.pos.add([0,-200]);
  bb.velocity = [30,300];
  bb.draw_layer = 3;
  bb.tag = 'ball';
  balls++;
  allballs.push(bb);
}

function spawn_powerup(pos, fn) {
  var p = World.spawn(gameobjects['upgrade_drop']);
  p.pos = pos;
  p.upgrade = fn;
  return p;
}

function multiball(n) {
  for (var i = 0; i < n; i++)
    Gamestate.spawnball();
}

function lostball()
{
  balls--;
  if (balls === 0)
    lostlife();
};

function lostgame()
{
  Log.warn("LOSER");
  backtomain();
}

function lostlife() {
  lives--;

  if (lives === 0)
    lostgame();
  else
    Gamestate.spawnball();
};

Gamestate.spawnball();
var killbox = World.spawn(gameobjects['polygon2d']);

killbox.polygon2d.points = Geometry.box(lvlwidth,30);
killbox.pos = [0,-lvlheight/2];
killbox.polygon2d.sensor = true;
killbox.register_hit(hit => {
  if (hit.obj.tag === 'ball') {
    hit.obj.kill();
    lostball();
  }

}, killbox);

//Sound.play("start.wav");

let gamepawn = 
{
  input_escape_pressed() {
    backtomain();
  },

  input_o_pressed() {
    /* Get all bricks and kill */
    allbricks.forEach(x => x.kill());
   },
}

function gamegui() {
  GUI.column({
    items: [
    GUI.text_fn("SCORE", {color: Color.red}),
    GUI.text_fn(`${score}`),
    GUI.text_fn("HIGH SCORE", {color: Color.red}),
    GUI.text_fn(`${highscore}`),
    
    GUI.text_fn(`LIVES: ${lives}`),
    GUI.text_fn("YARKANOID", {color: [5,120,240,255]}),

    GUI.text_fn("ODPLOT GAMES"),
    GUI.text_fn("[C] 2023"),
    ]
  }).draw(Window.dimensions.scale([0.9,0.8]));
}

register_gui(gamegui);

Player.players[0].control(gamepawn);

let backtomain = function()
{
  World.clear();  
  run("startmenu.js");
  unregister_gui(gamegui);
  Player.players[0].uncontrol(gamepawn);
}