cellular-automata/lib/service/engine_service.dart

import 'dart:html' as html;

import 'package:rules_of_living/src/Engine.dart';

class EngineService {
  Engine _engine;

  Engine get engine => _engine ?? createEngine(null);

  Engine createEngine(html.CanvasElement canvas) {
    _engine = Engine(canvas);
    return _engine;
  }

  void set canvas(html.CanvasElement canvas) => engine.canvas = canvas;
  html.CanvasElement get canvas => engine.canvas;

  void run() {
    engine.running = true;
  }

  void stop() {
    engine.running = false;
  }

  void toggleRunning() {
    engine.running = !engine.running;
  }

  void step() {
    engine.step();
  }

  void reset() {
    engine.reset();
  }

  void addRandomPattern() {
    engine.running = false;
    engine.addPattern();
  }

  void clear() {
    engine.clear();
  }

  bool get isRunning => engine.running;

}