gameobject.elasticity = 1;

gameobject.clone("ball", {
  collider: circle2d.clone(),
  img: sprite.clone(),
  phys: 0,
  elasticity: 1,
  friction: 0,

  collide(hit) {
    Sound.play("bump.wav");
  },

  start() {
    this.velocity = [-10,-300];
    Player.players[0].control(this);    
  },

  input_left_down() {
    /* Slow down */
  },

  input_right_down() {
    /* Speed up */
  },
});

var Gameboy = {
  darkest: [15,56,15],
  dark: [48,98,48],
  light: [139,172,15],
  lightest: [155,188,15]
};

var Rainbow = {
  red: [204,0,1],
  orange: [255,102,0],
  darkorange: [205,102,1],
  yellow: [205,204,0],
  green: [0,153,1],
  blue: [53,51,255]
};

gameobject.clone("brick", {
  collider: polygon2d.clone(),
  char: char2d.clone({
    flash:Resources.load("brick.png"),
  }),

  start() {
    this.char.stop();
    this.flash();
    this.timer = timer.make(() => {
      this.flash();
      this.timer.time = Math.random_range(2,10);
    }, Math.random_range(2,10));

    this.char.color = Rainbow.red;
  },

  flash() {
    this.char.play("flash");
  },

  stop() {
    Log.warn("killed a brick");
  },

  collide(hit) {
    if (hit.obj.from !== 'ball')
      return;

    this.powerup?.();
    this.timer.kill();
    this.kill();
  },
});

var act_x = Action.add_new("move");
act_x.inputs.push("axis_ljoy");

var paddle = gameobject.clone("paddle", {
  collider: polygon2d.clone(),
  img: sprite.clone(),
  phys: 1,
  elasticity: 1,

  speed: 1000,

  length: 50,
  height: 28,
  lengths: [16,24,32,40,48],
  growlvl: 1,
  maxgrow: 5,
  max_x: 0,
  extents: 300,

  input_larrow_down() { this.input_a_down(); },

  frame_vel: [0,0],

  input_a_down() {
    this.frame_vel = this.frame_vel.add([-1,0]);
  },

  input_d_down() {
    this.frame_vel = this.frame_vel.add([1,0]);
  },

  update(dt) {
    this.angle = 0;
    var fpos = this.pos;
    fpos.x += this.frame_vel.x * this.speed * dt;
    fpos.x = Math.clamp(fpos.x,-this.max_x,this.max_x);
    this.pos = fpos;
    this.frame_vel = [0,0];
  },

  physupdate(dt) { this.velocity = [0,0]; },

  gamepad_ljoy_axis(v) {
    v[1] = 0;
    this.pos = this.pos.add(v.scale(this.speed*Yugine.dt));
  },
  
  setup() {
    Player.players[0].control(this);
    this.length = this.lengths[0];
  },

  input_p_pressed() { this.grow(); },
  input_l_pressed() { Gamestate.spawnball(); },

  grow() {
    this.setgrow(this.growlvl + 1);
  },

  setgrow(n) {
    this.growlvl = Math.clamp(n,1,this.maxgrow);
    this.length = this.lengths[this.growlvl];
    this.img.path = "pill" + this.growlvl + ".png";
    this.img.sync();
    var d = this.img.dimensions;
    this.collider.points = Geometry.box(d.x, d.y);
    this.collider.sync();

    this.max_x = this.extents - (d.x*this.scale)/2;
  },

  collide(hit) {
    if (!(hit.obj.from === 'ball')) return;
    var xdiff = hit.pos.x - this.pos.x;
//    if (Math.sign(xdiff) === Math.sign(hit.obj.velocity)) return;
    var oldvel = hit.obj.velocity;
    var scaler = Math.max(Math.abs(xdiff)/30, 1.05);
    hit.obj.velocity = hit.obj.velocity.scale(scaler);
  },
});

gameobject.clone("upgrade_drop", {
  fallspeed: 150,
  tag: "ball",
  upgrade: function() {},
  size: 12,
  phys:1,
  collider: circle2d.clone(),
  color: Rainbow.blue,

  start() {
    this.collider.radius = this.size;
    this.collider.sensor = true;
  },

  draw() {
    Shape.circle(this.pos,this.size,this.color);
  },

  collide(hit) {
    if (!(hit.obj.from === 'paddle'))
      return;

    this.upgrade();
    this.kill();
  },

  update(dt) {
    this.pos = this.pos.add([0,-this.fallspeed*dt]);
  },
});