diff --git a/zzio/scn/Trigger.cs b/zzio/scn/Trigger.cs
index 56defcc4..33c659c2 100644
--- a/zzio/scn/Trigger.cs
+++ b/zzio/scn/Trigger.cs
@@ -27,7 +27,7 @@ public class Trigger : ISceneSection
     public string s = "";
     public Vector3 // TODO: Move Collider out 
         pos,
-        size; // only if type == Box
+        end; // only if type == Box
     public float radius; // only if type == Sphere
 
     public void Read(Stream stream)
@@ -44,12 +44,12 @@ public void Read(Stream stream)
         ii4 = reader.ReadUInt32();
         s = reader.ReadZString();
         pos = reader.ReadVector3();
-        size = new Vector3();
+        end = new Vector3();
         radius = 0.0f;
         switch (colliderType)
         {
             case TriggerColliderType.Box:
-                size = reader.ReadVector3();
+                end = reader.ReadVector3();
                 break;
             case TriggerColliderType.Sphere:
                 radius = reader.ReadSingle();
@@ -76,7 +76,7 @@ public void Write(Stream stream)
         switch (colliderType)
         {
             case TriggerColliderType.Box:
-                writer.Write(size);
+                writer.Write(end);
                 break;
             case TriggerColliderType.Sphere:
                 writer.Write(radius);
diff --git a/zzre/game/systems/TriggerActivation.cs b/zzre/game/systems/TriggerActivation.cs
index aa929ed7..db5a57d0 100644
--- a/zzre/game/systems/TriggerActivation.cs
+++ b/zzre/game/systems/TriggerActivation.cs
@@ -101,7 +101,7 @@ private bool ShouldBeActive(Location location, Trigger trigger)
             case TriggerColliderType.Point: return false;
 
             case TriggerColliderType.Box:
-                var box = new Box(Vector3.Zero, trigger.size);
+                var box = Box.FromMinMax(trigger.pos, trigger.end);
                 if (!box.Intersects(location, playerPos))
                     return false;
                 break;
diff --git a/zzre/tools/sceneeditor/SceneEditor.ISelectable.cs b/zzre/tools/sceneeditor/SceneEditor.ISelectable.cs
index 28480e56..80880c52 100644
--- a/zzre/tools/sceneeditor/SceneEditor.ISelectable.cs
+++ b/zzre/tools/sceneeditor/SceneEditor.ISelectable.cs
@@ -56,10 +56,8 @@ private class SelectionComponent : BaseDisposable
         private readonly SceneEditor editor;
         private readonly ITagContainer diContainer;
         private readonly Camera camera;
-        private readonly DebugLineRenderer boxBoundsRenderer;
-        private readonly DebugLineRenderer sphereBoundsRenderer;
+        private readonly DebugLineRenderer boundsRenderer;
 
-        private IRenderable? activeBoundsRenderer = null;
         private ISelectable[] lastPotentials = Array.Empty<ISelectable>();
         private int lastPotentialI;
 
@@ -72,25 +70,21 @@ public SelectionComponent(ITagContainer diContainer)
             var fbArea = diContainer.GetTag<FramebufferArea>();
             var mouseEventArea = diContainer.GetTag<MouseEventArea>();
 
-            boxBoundsRenderer = new DebugLineRenderer(diContainer);
-            boxBoundsRenderer.Material.LinkTransformsTo(camera);
-            boxBoundsRenderer.Material.World.Value = Matrix4x4.Identity;
-            sphereBoundsRenderer = new DebugLineRenderer(diContainer);
-            sphereBoundsRenderer.Material.LinkTransformsTo(camera);
-            sphereBoundsRenderer.Material.World.Value = Matrix4x4.Identity;
+            boundsRenderer = new DebugLineRenderer(diContainer);
+            boundsRenderer.Material.LinkTransformsTo(camera);
+            boundsRenderer.Material.World.Value = Matrix4x4.Identity;
 
             editor.Window.OnContent += HandleGizmos;
             editor.OnLoadScene += () => editor.Selected = null;
             editor.OnNewSelection += HandleNewSelection;
-            fbArea.OnRender += HandleRender;
+            fbArea.OnRender += boundsRenderer.Render;
             mouseEventArea.OnButtonUp += HandleClick;
         }
 
         protected override void DisposeManaged()
         {
             base.DisposeManaged();
-            boxBoundsRenderer.Dispose();
-            sphereBoundsRenderer.Dispose();
+            boundsRenderer.Dispose();
         }
 
         private void HandleGizmos()
@@ -114,25 +108,16 @@ private void HandleGizmos()
         private void HandleNewSelection(ISelectable? newSelected)
         {
             var bounds = newSelected?.RenderedBounds;
-            if (bounds is OrientedBox boxBounds)
-            {
-                boxBoundsRenderer.Clear();
-                boxBoundsRenderer.AddBox(boxBounds, IColor.Red);
-                activeBoundsRenderer = boxBoundsRenderer;
-            }
+            boundsRenderer.Clear();
+            if (bounds is OrientedBox orientedBoxBounds)
+                boundsRenderer.AddBox(orientedBoxBounds, IColor.Red);
+            else if (bounds is Box boxBounds)
+                boundsRenderer.AddBox(boxBounds, IColor.Red);
             else if (bounds is Sphere sphereBounds)
-            {
-                sphereBoundsRenderer.Clear();
-                sphereBoundsRenderer.AddDiamondSphere(sphereBounds, IColor.Red);
-                activeBoundsRenderer = sphereBoundsRenderer;
-            }
-            else
-                activeBoundsRenderer = null;
+                boundsRenderer.AddDiamondSphere(sphereBounds, IColor.Red);
             editor.fbArea.IsDirty = true;
         }
 
-        private void HandleRender(CommandList cl) => activeBoundsRenderer?.Render(cl);
-
         private void HandleClick(MouseButton button, Vector2 pos)
         {
             if (button != MouseButton.Left || ImGuizmo.IsOver() || ImGuizmo.IsUsing())
diff --git a/zzre/tools/sceneeditor/SceneEditor.Trigger.cs b/zzre/tools/sceneeditor/SceneEditor.Trigger.cs
index 0100f3de..0cad9c66 100644
--- a/zzre/tools/sceneeditor/SceneEditor.Trigger.cs
+++ b/zzre/tools/sceneeditor/SceneEditor.Trigger.cs
@@ -36,14 +36,14 @@ private class Trigger : BaseDisposable, ISelectable
 
         public IRaycastable? RenderedBounds => SceneTrigger.colliderType switch
         {
-            TriggerColliderType.Box => new Box(Vector3.Zero, SceneTrigger.size).TransformToWorld(Location),
+            TriggerColliderType.Box => Box.FromMinMax(Location.GlobalPosition, Location.GlobalPosition + SceneTrigger.end - SceneTrigger.pos),
             TriggerColliderType.Sphere => new Sphere(Location.GlobalPosition, SceneTrigger.radius),
             TriggerColliderType.Point => null,
             _ => throw new NotImplementedException("Unknown TriggerColliderType")
         };
         public float ViewSize => SceneTrigger.colliderType switch
         {
-            TriggerColliderType.Box => SceneTrigger.size.MaxComponent(),
+            TriggerColliderType.Box => (SceneTrigger.end - SceneTrigger.pos).MaxComponent(),
             TriggerColliderType.Sphere => SceneTrigger.radius * 2f,
             TriggerColliderType.Point => PointTriggerSize * 2f,
             _ => throw new NotImplementedException("Unknown TriggerColliderType")
@@ -75,7 +75,8 @@ public void Content()
                     break;
 
                 case TriggerColliderType.Box:
-                    InputFloat3("Size", ref SceneTrigger.size);
+                    var size = SceneTrigger.end - SceneTrigger.pos;
+                    InputFloat3("Size", ref size);
                     break;
             }
         }