class Car extends Sprite {
  int direction = 1;
  int speed = 2;
  
  Car(String i, int ix, int iy) {
    super(i, ix, iy);
  }
  
  // alternate constructor with default x, y
  Car(String i) {
    super(i);
  }
  
  void update() {
    x += direction * speed;
    if (x > (width + img.width/2)) {
      x = 0 - + img.width/2;
    }
    if (x < -1*(img.width/2) ) {
      x = width + img.width/2;
    }
    
    update_edges();
  }
}

class Player extends Sprite {
  PImage dead_img;
  int respawn_timer = 0;
  boolean dead;
  
  Player(String i, String d_img, int ix, int iy) {
    super(i, ix, iy);
    dead_img = loadImage(d_img);
  }
  
  // alternate constructor with default x, y
  Player(String i, String d_img) {
    super(i);
    dead_img = loadImage(d_img);
  }
  
  void update() {
    if (dead) {
      img = dead_img;
      respawn_timer += 1;
    }
    if (respawn_timer > 100) {
      respawn_timer = 0;
      dead = false;
      generate_level(level);
    }
    update_edges();
  }
}

class Road extends Sprite {
  Car[] cars;
  
  Road(String i, int ix, int iy) {
    super(i, ix, iy);
  }
  
  // alternate constructor with default x, y
  Road(String i) {
    super(i);
  }
}

class Finish extends Sprite {
  
  Finish(String i, int ix, int iy) {
    super(i, ix, iy);
  }
  
  // alternate constructor with default x, y
  Finish(String i) {
    super(i);
  }
}