From 716f665e39a630fdfd363fc48a2cbe15bcaac182 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Mon, 10 Aug 2026 06:04:27 +0200
Subject: [PATCH] Improve model bounds debug draw for better depth-readability
 of occluded pixels

---
 .../Editor/Viewport/Previews/AnimatedModelPreview.cs  |  2 +-
 Source/Editor/Viewport/Previews/AssetPreview.cs       | 11 +++++++++++
 Source/Editor/Viewport/Previews/ModelPreview.cs       |  2 +-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/Source/Editor/Viewport/Previews/AnimatedModelPreview.cs b/Source/Editor/Viewport/Previews/AnimatedModelPreview.cs
index a5ff3758b..721b8504d 100644
--- a/Source/Editor/Viewport/Previews/AnimatedModelPreview.cs
+++ b/Source/Editor/Viewport/Previews/AnimatedModelPreview.cs
@@ -405,7 +405,7 @@ namespace FlaxEditor.Viewport.Previews
             // Draw bounds
             if (_showBounds)
             {
-                DebugDraw.DrawWireBox(_previewModel.Box, Color.Violet.RGBMultiplied(0.8f), 0, false);
+                DebugDrawBounds(_previewModel.Box);
             }
         }
 
diff --git a/Source/Editor/Viewport/Previews/AssetPreview.cs b/Source/Editor/Viewport/Previews/AssetPreview.cs
index 3583a9ff0..b6610c880 100644
--- a/Source/Editor/Viewport/Previews/AssetPreview.cs
+++ b/Source/Editor/Viewport/Previews/AssetPreview.cs
@@ -224,6 +224,17 @@ namespace FlaxEditor.Viewport.Previews
             }
         }
 
+        /// <summary>
+        /// Draws the bounds of object.
+        /// </summary>
+        /// <param name="box">Object bounding box.</param>
+        protected void DebugDrawBounds(BoundingBox box)
+        {
+            var color = Color.Violet.RGBMultiplied(0.8f);
+            DebugDraw.DrawWireBox(box, color.AlphaMultiplied(0.3f), 0, false);
+            DebugDraw.DrawWireBox(box, color, 0, true);
+        }
+
         /// <summary>
         /// Called when drawing debug shapes with <see cref="DebugDraw"/> for this viewport.
         /// </summary>
diff --git a/Source/Editor/Viewport/Previews/ModelPreview.cs b/Source/Editor/Viewport/Previews/ModelPreview.cs
index d8aad8c59..b6306b905 100644
--- a/Source/Editor/Viewport/Previews/ModelPreview.cs
+++ b/Source/Editor/Viewport/Previews/ModelPreview.cs
@@ -302,7 +302,7 @@ namespace FlaxEditor.Viewport.Previews
             // Draw bounds
             if (_showBounds)
             {
-                DebugDraw.DrawWireBox(_previewModel.Box, Color.Violet.RGBMultiplied(0.8f), 0, false);
+                DebugDrawBounds(_previewModel.Box);
             }
 
             // Draw normals