export class Renderable {

  constructor() {
    this.parent = null;
    this._zIndex = 0;
  }

  get alpha() {
    return this.internal.alpha;
  }

  set alpha(alpha) {
    this.internal.alpha = alpha;
  }

  destroy() {
    this.internal.destroy();
  }

  get position() {
    return [this.internal.x, this.internal.y];
  }

  set position(position) {
    this.internal.x = position[0];
    this.internal.y = position[1];
  }

  get rotation() {
    return this.internal.rotation;
  }

  set rotation(rotation) {
    this.internal.rotation = rotation;
  }

  get visible() {
    return this.internal.visible;
  }

  set visible(isVisible) {
    this.internal.visible = isVisible;
  }

  get x() {
    return this.internal.x;
  }

  set x(x) {
    this.internal.x = x;
  }

  get y() {
    return this.internal.y;
  }

  set y(y) {
    this.internal.y = y;
  }

  get zIndex() {
    return this._zIndex;
  }

  set zIndex(zIndex) {
    if (this.parent) {
      this.parent.isDirty = true;
    }
    this._zIndex = zIndex;
  }

}