class ShieldOrb {
  constructor() {
    this.pos = createVector(random(width), random(height));
    this.r = 10;
    this.vel = p5.Vector.random2D();
    this.vel.mult(random(1, 2));
    while (dist(this.pos.x, this.pos.y, ship.pos.x, ship.pos.y) < 100) {
      this.pos = createVector(random(width), random(height));
    }
  }

  update() {
    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;
  }

  show() {
    push();
    fill(0, 255, 255); // Cyan
    noStroke();
    ellipse(this.pos.x, this.pos.y, this.r * 2);
    pop();
  }
}