From 914b2aa5dd6ac53bafa70b034e7f6c02d1b75994 Mon Sep 17 00:00:00 2001
From: Marty Oehme <marty.oehme@gmail.com>
Date: Fri, 20 Jul 2018 19:19:24 +0200
Subject: [PATCH] Examples - Wire up Update Slider

---
 lib/game/LoopExample.dart               | 4 ++++
 lib/src/04-FixedLoopVariableRender.dart | 4 ++--
 lib/src/05_DirtyFlagRendering.dart      | 4 ++--
 web/main.dart                           | 6 ++++--
 4 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/lib/game/LoopExample.dart b/lib/game/LoopExample.dart
index e547a8b..cf00224 100644
--- a/lib/game/LoopExample.dart
+++ b/lib/game/LoopExample.dart
@@ -5,4 +5,8 @@ abstract class LoopExample{
 
   void stop() {}
   void start() {}
+}
+
+abstract class VariableUpdates {
+  double MS_PER_UPDATE = 300.0;
 }
\ No newline at end of file
diff --git a/lib/src/04-FixedLoopVariableRender.dart b/lib/src/04-FixedLoopVariableRender.dart
index 5c8d6a4..3df27bf 100644
--- a/lib/src/04-FixedLoopVariableRender.dart
+++ b/lib/src/04-FixedLoopVariableRender.dart
@@ -3,8 +3,8 @@ import 'dart:html';
 import 'package:browserloop/game/Game.dart';
 import 'package:browserloop/game/LoopExample.dart';
 
-class FixedLoopVariableRender implements LoopExample {
-  static final double MS_PER_UPDATE = 1000.0;
+class FixedLoopVariableRender implements LoopExample, VariableUpdates {
+  double MS_PER_UPDATE = 1000.0;
   static final double SAFE_GUARD = 500.0;
   Stopwatch elapsed = new Stopwatch();
   double lag = 0.0;
diff --git a/lib/src/05_DirtyFlagRendering.dart b/lib/src/05_DirtyFlagRendering.dart
index b233c80..48072b6 100644
--- a/lib/src/05_DirtyFlagRendering.dart
+++ b/lib/src/05_DirtyFlagRendering.dart
@@ -3,8 +3,8 @@ import 'dart:html';
 import 'package:browserloop/game/Game.dart';
 import 'package:browserloop/game/LoopExample.dart';
 
-class DirtyFlagRender implements LoopExample {
-  static final double MS_PER_UPDATE = 1000.0;
+class DirtyFlagRender implements LoopExample, VariableUpdates {
+  double MS_PER_UPDATE = 1000.0;
   static final double SAFE_GUARD = 500.0;
   Stopwatch elapsed = new Stopwatch();
   double lag = 0.0;
diff --git a/web/main.dart b/web/main.dart
index 21580bb..7225473 100644
--- a/web/main.dart
+++ b/web/main.dart
@@ -130,7 +130,9 @@ void addControls(Example ex) {
 
   // Don't add controls which don't work anyways (for simple examples)
   if(examples.indexOf(ex) <= 1) return;
+  VariableUpdates loop = (ex.loop as VariableUpdates);
 
+  // Update Speed Slider
   group
     ..append(new LabelElement()
       ..htmlFor = "update_speed"
@@ -138,11 +140,11 @@ void addControls(Example ex) {
     ..append(new InputElement(type: "range")
       ..id = "update_speed"
       ..min = "1"
-      ..max = "20"
+      ..max = "50"
       ..value = "3"
       ..step = "1"
     ..onInput.listen((Event e) {
-      ex.loop;
+      loop.MS_PER_UPDATE = (1000 / int.parse((e.target as InputElement).value));
     }));
   //    querySelector('#reset').onClick.listen((e) => ex.loop.game.reset());
 //    querySelector('#plus').onClick.listen((e) => _changeGrid(-5));