Added Speed Controls

Evacuation Simulation/Assets/Resources/UI/Styles/UI_root.uss

@@ -35,3 +35,7 @@ Label {
     margin-bottom: 0;
     margin-top: 0;
 }
+
+#Speed > Button {
+    background-color: rgba(53, 59, 72, 255);
+}

Evacuation Simulation/Assets/Resources/UI/UI.uxml

@@ -5,8 +5,8 @@
         <PedestrianSimulation.UI.Elements.SpeckleWindowElement />
     </ui:VisualElement>
     <ui:VisualElement name="bottom" style="flex-direction: column-reverse;">
-        <PedestrianSimulation.UI.Elements.TimelineElement />
-        <ui:VisualElement name="resultsParent" style="width: 150px; margin-bottom: 20px; margin-left: 15px;" />
+        <PedestrianSimulation.UI.Elements.TimelineElement style="margin-left: 5px; margin-right: 5px; margin-top: 5px; margin-bottom: 5px;" />
+        <ui:VisualElement name="speed" style="flex-direction: row; margin-left: 10px; margin-right: 10px; margin-top: 5px; margin-bottom: 5px;" />
     </ui:VisualElement>
     <ui:VisualElement name="top">
         <PedestrianSimulation.UI.Elements.CameraViewsElement />

Evacuation Simulation/Assets/Scripts/JMTools/Extensions/UIToolkit Extensions.cs

@@ -0,0 +1,19 @@
+using System.Collections.Generic;
+using UnityEngine.UIElements;
+
+namespace JMTools
+{
+    #nullable enable
+    public static class UIToolkitExtensions
+    {
+        public static void AddRange(this VisualElement parent, IEnumerable<VisualElement?> children)
+        {
+            foreach (var child in children)
+            {
+                parent.Add(child);
+            }
+        }
+
+        public static void AddRange(this VisualElement parent, params VisualElement?[] childrenParams) => AddRange(parent, children: childrenParams);
+    }
+}

Evacuation Simulation/Assets/Scripts/UI/Controllers/TimeScaleController.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Globalization;
+using System.Linq;
+using JMTools;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace PedestrianSimulation.UI
+{
+    [RequireComponent(typeof(UIDocument))]
+    public class TimeScaleController : MonoBehaviour
+    {
+
+        private VisualElement element;
+        private void Start()
+        {
+            var uiDocument = GetComponent<UIDocument>();
+            var rootVisualElement = uiDocument.rootVisualElement;
+
+            element = rootVisualElement.Q("speed");
+
+            element.AddRange(GenerateSpeedControls(1,2,4));
+        }
+
+
+        private static List<VisualElement> GenerateSpeedControls(params float[] speedParams) => GenerateSpeedControls(speeds: speedParams);
+        private static List<VisualElement> GenerateSpeedControls(IEnumerable<float> speeds)
+        {
+            var elements = new List<VisualElement>();
+
+            foreach (float speed in speeds)
+            {
+                var button = new Button(() =>
+                {
+                    SetTimeScale(speed);
+                })
+                {
+                    text = $"{speed}",
+                };
+
+                elements.Add(button);
+            }
+
+            return elements;
+        }
+
+        private static void SetTimeScale(float value) => Time.timeScale = value;
+    }
+}