// Сущности: животные + зомби + новые мобы

export class Entity {
  constructor(x, y, w, h) {
    this.x = x;
    this.y = y;
    this.z = 0;          // третье измерение: глубина мира
    this.w = w;
    this.h = h;
    this.d = w;          // размер по Z
    this.vx = 0;
    this.vy = 0;
    this.vz = 0;
    this.hp = 3;
    this.grounded = false;
    this.inWater = false;
    this.aiT = 0;
    this.dir = 1;
  }
}

export class Pig extends Entity {
  constructor(x, y, z) { super(x, y, 34, 24); this.kind = 'pig'; this.z = z || 0; this.hp = 2; }
}

export class Chicken extends Entity {
  constructor(x, y, z) { super(x, y, 26, 22); this.kind = 'chicken'; this.z = z || 0; this.hp = 1; }
}

export class Zombie extends Entity {
  constructor(x, y, z) { super(x, y, 34, 50); this.kind = 'zombie'; this.z = z || 0; this.hp = 4; this.speed = 80 + Math.random() * 40; }
}

export class Creeper extends Entity {
  constructor(x, y, z) { super(x, y, 34, 50); this.kind = 'creeper'; this.z = z || 0; this.hp = 4; this.speed = 60 + Math.random() * 30; this.fuse = 3.2; }
}

export class Skeleton extends Entity {
  constructor(x, y, z) { super(x, y, 34, 50); this.kind = 'skeleton'; this.z = z || 0; this.hp = 4; this.speed = 70 + Math.random() * 30; this.shootCooldown = 0; }
}

export class Scorpion extends Entity {
  constructor(x, y, z) { super(x, y, 26, 26); this.kind = 'scorpion'; this.z = z || 0; this.hp = 3; this.speed = 90; this.fuse = 0; this.shootCooldown = 0; }
}

export class PolarBear extends Entity {
  constructor(x, y, z) { super(x, y, 40, 34); this.kind = 'polar_bear'; this.z = z || 0; this.hp = 8; this.speed = 50; this.fuse = 0; this.shootCooldown = 2; }
}

export class Slime extends Entity {
  constructor(x, y, z) { super(x, y, 24, 24); this.kind = 'slime'; this.z = z || 0; this.hp = 2; this.speed = 30; this.fuse = 0; this.shootCooldown = 2; }
}

export class Eagle extends Entity {
  constructor(x, y, z) { super(x, y, 30, 22); this.kind = 'eagle'; this.z = z || 0; this.hp = 3; this.speed = 120; this.fuse = 0; this.shootCooldown = 0; }
}