From 0298759d1fbf7cf50442d9f6e52066669413ab0d Mon Sep 17 00:00:00 2001
From: Garry Newman <garrynewman@users.noreply.github.com>
Date: Sun, 21 Dec 2025 08:49:47 +0000
Subject: [PATCH] Panel animation uses double time

---
 .../Systems/UI/Panel/Panel.Event.cs              |  2 +-
 .../Systems/UI/Panel/Panel.Util.cs               |  8 ++++----
 .../Systems/UI/Styles/Styles.Animation.cs        |  6 +++---
 .../Systems/UI/Styles/Transitions.cs             | 16 ++++++++--------
 4 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/engine/Sandbox.Engine/Systems/UI/Panel/Panel.Event.cs b/engine/Sandbox.Engine/Systems/UI/Panel/Panel.Event.cs
index 0b21c423..702334f1 100644
--- a/engine/Sandbox.Engine/Systems/UI/Panel/Panel.Event.cs
+++ b/engine/Sandbox.Engine/Systems/UI/Panel/Panel.Event.cs
@@ -187,7 +187,7 @@ public partial class Panel
 
 		if ( debounce.HasValue )
 		{
-			e.Time = TimeNow + debounce.Value;
+			e.Time = (float)(TimeNow + debounce.Value);
 		}
 	}
 
diff --git a/engine/Sandbox.Engine/Systems/UI/Panel/Panel.Util.cs b/engine/Sandbox.Engine/Systems/UI/Panel/Panel.Util.cs
index a7eff98c..575a60b4 100644
--- a/engine/Sandbox.Engine/Systems/UI/Panel/Panel.Util.cs
+++ b/engine/Sandbox.Engine/Systems/UI/Panel/Panel.Util.cs
@@ -5,8 +5,8 @@ namespace Sandbox.UI;
 
 public partial class Panel
 {
-	internal float TimeNow => PanelRealTime.TimeNow;
-	internal float TimeDelta => PanelRealTime.TimeDelta;
+	internal double TimeNow => PanelRealTime.TimeNow;
+	internal double TimeDelta => PanelRealTime.TimeDelta;
 
 	/// <summary>
 	/// Can be used to store random data without sub-classing the panel.
@@ -36,8 +36,8 @@ public partial class Panel
 
 static class PanelRealTime
 {
-	public static float TimeNow;
-	public static float TimeDelta;
+	public static double TimeNow;
+	public static double TimeDelta;
 
 	public static void Update()
 	{
diff --git a/engine/Sandbox.Engine/Systems/UI/Styles/Styles.Animation.cs b/engine/Sandbox.Engine/Systems/UI/Styles/Styles.Animation.cs
index 459053cd..f73197a2 100644
--- a/engine/Sandbox.Engine/Systems/UI/Styles/Styles.Animation.cs
+++ b/engine/Sandbox.Engine/Systems/UI/Styles/Styles.Animation.cs
@@ -3,7 +3,7 @@
 public partial class Styles
 {
 	KeyFrames currentFrames;
-	float animationStart;
+	double animationStart;
 	Styles animStyle;
 
 	/// <summary>
@@ -109,7 +109,7 @@ public partial class Styles
 		}
 
 		var f = Utility.Easing.GetFunction( AnimationTimingFunction ?? "linear" );
-		delta = f( delta );
+		delta = f( (float)delta );
 
 		if ( playLength >= totalDuration )
 		{
@@ -120,7 +120,7 @@ public partial class Styles
 				return false;
 		}
 
-		keyframes.FillStyle( delta, animStyle );
+		keyframes.FillStyle( (float)delta, animStyle );
 
 		Add( animStyle );
 
diff --git a/engine/Sandbox.Engine/Systems/UI/Styles/Transitions.cs b/engine/Sandbox.Engine/Systems/UI/Styles/Transitions.cs
index 727c40f6..25aa897e 100644
--- a/engine/Sandbox.Engine/Systems/UI/Styles/Transitions.cs
+++ b/engine/Sandbox.Engine/Systems/UI/Styles/Transitions.cs
@@ -12,15 +12,15 @@ public sealed class Transitions
 	public struct Entry
 	{
 		public string Property { get; init; }
-		public float StartTime { get; init; }
-		public float Length { get; init; }
+		public double StartTime { get; init; }
+		public double Length { get; init; }
 		public int Target { get; init; }
 		public Utility.Easing.Function EasingFunction { get; init; }
 		public bool IsKilled { get; private set; }
 
 		public TransitionFunction Action { get; init; }
 
-		public Entry( string property, float startTime, float length, int target, TransitionFunction action, Easing.Function easingFunction ) : this()
+		public Entry( string property, double startTime, double length, int target, TransitionFunction action, Easing.Function easingFunction ) : this()
 		{
 			Property = property;
 			StartTime = startTime;
@@ -107,7 +107,7 @@ public sealed class Transitions
 		}
 	}
 
-	internal void Add( Styles from, Styles to, float startTime )
+	internal void Add( Styles from, Styles to, double startTime )
 	{
 		if ( !to.HasTransitions ) return;
 
@@ -124,7 +124,7 @@ public sealed class Transitions
 		}
 	}
 
-	void Transition( in TransitionDesc desc, BaseStyles from, BaseStyles to, TransitionFunction action, float startTime )
+	void Transition( in TransitionDesc desc, BaseStyles from, BaseStyles to, TransitionFunction action, double startTime )
 	{
 		if ( from == to ) return;
 
@@ -134,7 +134,7 @@ public sealed class Transitions
 		Add( desc, target, action, startTime );
 	}
 
-	void Add( in TransitionDesc desc, int target, TransitionFunction action, float startTime )
+	void Add( in TransitionDesc desc, int target, TransitionFunction action, double startTime )
 	{
 		var length = 1.0f;
 		var property = desc.Property;
@@ -157,7 +157,7 @@ public sealed class Transitions
 		Entries.Add( entry );
 	}
 
-	internal bool Run( Styles style, float now )
+	internal bool Run( Styles style, double now )
 	{
 		if ( !HasAny )
 			return false;
@@ -183,7 +183,7 @@ public sealed class Transitions
 
 			var t = entry.IsKilled ? 1f : (now - entry.StartTime) / entry.Length;
 
-			entry.Invoke( style, entry.Ease( t ) );
+			entry.Invoke( style, entry.Ease( (float)t ) );
 		}
 
 		if ( Entries.RemoveAll( x => x.IsKilled ) > 0 )