49 lines
1.1 KiB
Dart
49 lines
1.1 KiB
Dart
import 'package:rules_of_living/src/Engine.dart';
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import 'package:rules_of_living/src/Simulation.dart';
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class EngineService {
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Engine _uncachedEngineAccess;
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EngineService() {
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simSpeed = 5;
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}
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Engine get engine => _uncachedEngineAccess ?? _setCachedAndReturn(Engine());
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void set engine(Engine newEngine) {
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_uncachedEngineAccess = newEngine;
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}
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Engine _setCachedAndReturn(Engine newEngine) {
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engine = newEngine;
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return newEngine;
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}
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void run() {
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engine.running = true;
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}
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void stop() {
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engine.running = false;
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}
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void toggleRunning() {
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engine.running = !engine.running;
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}
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void step() {
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engine.step();
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}
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/// Simulation Speed
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///
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/// Sets the number of updates the simulation takes per second. Can range from
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/// 1 to arbitrarily high numbers (though setting it too high can potentially
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/// make the app brittle).
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int get simSpeed => engine.stepsPerSecond;
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void set simSpeed(int val) => engine.stepsPerSecond = val;
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bool get isRunning => engine.running;
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void set simulation(Simulation value) => engine.simulation = value;
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}
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