class Asteroid {
  constructor(pos, r, isGolden = random() < 0.1) {
    if (pos) {
      this.pos = pos.copy();
      this.r = r ? r / 2 : random(30, 50);
    } else {
      this.pos = createVector(random(width), random(height));
      this.r = random(30, 50);
      while (dist(this.pos.x, this.pos.y, ship.pos.x, ship.pos.y) < 100) {
        this.pos = createVector(random(width), random(height));
      }
    }
    this.baseVel = p5.Vector.random2D();
    this.speed = window.kidMode ? random(0.2, 1.5) : random(1, 3);
    this.vel = this.baseVel.copy().mult(this.speed);
    this.total = floor(random(5, 15));
    this.offset = [];
    for (let i = 0; i < this.total; i++) {
      this.offset[i] = random(-this.r * 0.5, this.r * 0.5);
    }
    this.isGolden = isGolden;
    this.hitsLeft = isGolden ? 3 : 1;
    console.log(`Spawned asteroid, isGolden: ${isGolden}, hitsLeft: ${this.hitsLeft}, speed: ${this.speed}`);
  }

  update() {
    this.speed = window.kidMode ? random(0.2, 1.5) : random(1, 3);
    this.vel = this.baseVel.copy().mult(this.speed);
    this.pos.add(this.vel);
  }

  edges() {
    if (this.pos.x > width + this.r) this.pos.x = -this.r;
    else if (this.pos.x < -this.r) this.pos.x = width + this.r;
    if (this.pos.y > height + this.r) this.pos.y = -this.r;
    else if (this.pos.y < -this.r) this.pos.y = height + this.r;
  }

  hits(bullet) {
    let d = dist(this.pos.x, this.pos.y, bullet.pos.x, bullet.pos.y);
    return d < this.r;
  }

  breakup() {
    let newA = [];
    this.hitsLeft--;
    if (this.hitsLeft > 0) {
      newA.push(this);
    } else if (this.r > 20) {
      newA.push(new Asteroid(this.pos, this.r, this.isGolden));
      newA.push(new Asteroid(this.pos, this.r, this.isGolden));
    }
    return newA;
  }

  show() {
    push();
    translate(this.pos.x, this.pos.y);
    noFill();
    stroke(this.isGolden ? color(255, 215, 0) : 255); // Golden or white
    beginShape();
    for (let i = 0; i < this.total; i++) {
      let angle = map(i, 0, this.total, 0, TWO_PI);
      let r = this.r + this.offset[i];
      let x = r * cos(angle);
      let y = r * sin(angle);
      vertex(x, y);
    }
    endShape(CLOSE);
    pop();
  }
}