class Spinner extends Enemy
{
  Spinner(PVector p, float time)
  {
    timer = time;
    radius = 20;
    pos = new PVector(p.x, p.y);
  }
  boolean tick()
  {
    timer -= warp_speed;
    if(timer < 0) pos.x -= warp_speed;
    if(bullet != null && inRadius(pos, bullet, radius) && timer < 0)
    {
      //make explosion
        explosions.add(new Explosion(pos, radius));
      if(!muted) exploSound.trigger();
      score += 100;
      bullet = null;
      return true;
    }
    if(pos.x < -radius) return true;
    return false;
  }
  void draw()
  {
    if(timer < 0)
    {
      noStroke();
      fill(255, 128, 192);
      arc(pos.x, pos.y, radius, radius, timer/100, timer/100+3);
      arc(pos.x, pos.y, radius, radius, timer/100+PI, timer/100+PI+3);
      fill(128, 128, 128);
      ellipse(pos.x, pos.y, radius*0.6, radius*0.6);
    }
    else
    {
      if(timer < WARN_TIME)
      {
       // strokeWeight(2);
        noStroke();
        fill(255, 128, 192, 255-255*timer/WARN_TIME);
        rectMode(RADIUS);
        rect(pos.x-timer/5, pos.y, timer/5, radius);
      }
    }
  }
}

class Waver extends Enemy
{
  float amp;
  float start_y;
  Waver(PVector p, float time, float amplitude)
  {
    timer = time;
    radius = 30;
    amp = amplitude;
    pos = new PVector(p.x, p.y);
    start_y = p.y;
  }
  boolean tick()
  {
    timer -= warp_speed;
    if(timer < 0) 
    {
      pos.x -= warp_speed;
      pos.y = start_y + amp * sin(timer / 100);
    }
    if(bullet != null && inRadius(pos, bullet, radius) && timer < 0)
    {
      //make explosion
        explosions.add(new Explosion(pos, radius));
      if(!muted) exploSound.trigger();
      score += 250;
      bullet = null;
      return true;
    }
    if(pos.x < -radius) return true;
    return false;
  }
  void draw()
  {
    if(timer < 0)
    {
      noStroke();
      fill(128, 255, 192);
      ellipse(pos.x, pos.y, radius, abs(sin(timer / 50))*radius/2 + radius/2);
      fill(128, 128, 128);
      ellipse(pos.x, pos.y, radius*0.5, radius*0.5);
    }
    else
    {
      if(timer < WARN_TIME)
      {
       // strokeWeight(2);
        noStroke();
        fill(128, 255, 192, 255-255*timer/WARN_TIME);
        rectMode(RADIUS);
        rect(pos.x-timer/5, pos.y, timer/5, radius);
      }
    }
  }
}

///look at me copy and paste on a deadline!
class Asteroid extends Enemy
{
  Asteroid(PVector p, float time)
  {
    timer = time;
    radius = 20+random(30);
    pos = new PVector(p.x, p.y);
  }
  boolean tick()
  {
    timer -= warp_speed;
    if(timer < 0) pos.x -= warp_speed;
    if(bullet != null && inRadius(pos, bullet, radius) && timer < 0)
    {
      //make explosion
      explosions.add(new Explosion(pos, radius));
      if(!muted) exploSound.trigger();
      score += 100;
      bullet = null;
      return true;
    }
    if(pos.x < -radius) return true;
    return false;
  }
  void draw()
  {
    if(timer < 0)
    {
      noStroke();
      fill(192, 128, 64);
      ellipse(pos.x, pos.y, radius, radius);
    }
    else
    {
      if(timer < WARN_TIME)
      {
     //   strokeWeight(2);
        noStroke();
        fill(192, 128, 64, 255-255*timer/WARN_TIME);
        rectMode(RADIUS);
        rect(pos.x - timer/5, pos.y, timer/5, radius);
      }
    }
  }
}
class MetalAsteroid extends Enemy
{
  MetalAsteroid(PVector p, float time)
  {
    timer = time;
    radius = 50;
    pos = new PVector(p.x, p.y);
  }
  boolean tick()
  {
    timer -= warp_speed;
    if(timer < 0) pos.x -= warp_speed;
    if(bullet != null && inRadius(pos, bullet, radius) && timer < 0)
    {
      //make explosion
      if(!muted) dinkSound.trigger();
      explosions.add(new Explosion(bullet, 10));
      bullet = null;

      //return true;
    }
    if(pos.x < -radius) return true;
    return false;
  }
  void draw()
  {
    if(timer < 0)
    {
      noStroke();
      fill(168, 168, 168);
      ellipse(pos.x, pos.y, radius, radius);
    }
    else
    {
      if(timer < WARN_TIME)
      {
     //   strokeWeight(2);
        noStroke();
        fill(168, 168, 168, 255-255*timer/WARN_TIME);
        rectMode(RADIUS);
        rect(pos.x - timer/5, pos.y, timer/5, radius);
      }
    }

  }
}

class Explosion extends Particle
{
  float r;
  Explosion(PVector pos, float radius)
  {
    super(pos, new PVector(-warp_speed, 0), 60);
    r = radius;
  }
  void draw()
  {
    noStroke();
    fill(color(255, 255 * life/maxlife * 2, 255 * life / maxlife, 255 * life / maxlife *2));
    ellipse(pos.x, pos.y, r * 1.5* ((life/(float)maxlife)), r * 1.5 * ((life/(float)maxlife)));
  }
}