diff --git a/zzre/game/systems/effect/MovingPlanes.cs b/zzre/game/systems/effect/MovingPlanes.cs
index 0448f5d9..bc0c0b04 100644
--- a/zzre/game/systems/effect/MovingPlanes.cs
+++ b/zzre/game/systems/effect/MovingPlanes.cs
@@ -21,7 +21,8 @@ protected override void HandleAddedComponent(in DefaultEcs.Entity entity, in zzi
     {
         var playback = entity.Get<components.Parent>().Entity.Get<components.effect.CombinerPlayback>();
         var vertexRange = effectMesh.RentVertices(data.disableSecondPlane ? 4 : 8);
-        var indexRange = effectMesh.RentQuadIndices(vertexRange);
+        var isBillboard = !data.circlesAround && !data.useDirection;
+        var indexRange = effectMesh.RentQuadIndices(vertexRange, doubleSided: !isBillboard);
         entity.Set(new components.effect.MovingPlanesState(
             vertexRange,
             indexRange,
@@ -30,13 +31,10 @@ protected override void HandleAddedComponent(in DefaultEcs.Entity entity, in zzi
             PrevProgress = playback.CurProgress
         });
         Reset(ref entity.Get<components.effect.MovingPlanesState>(), data);
-        
-        var billboardMode = data.circlesAround || data.useDirection
-            ? EffectMaterial.BillboardMode.None
-            : EffectMaterial.BillboardMode.View;
+
         assetRegistry.LoadEffectMaterial(entity,
             data.texName,
-            billboardMode,
+            isBillboard ? EffectMaterial.BillboardMode.View : EffectMaterial.BillboardMode.None,
             data.renderMode,
             playback.DepthTest);
         entity.Set(new components.effect.RenderIndices(indexRange));
@@ -114,9 +112,8 @@ private static void AddScale(
         float amount)
     {
         var shouldGrow = data.targetSize > data.width;
-        var curSize = new Vector2(data.width, data.height) * state.CurScale;
-        if ((shouldGrow && curSize.MaxComponent() < data.targetSize) ||
-            (!shouldGrow && curSize.MinComponent() > data.targetSize))
+        if ((shouldGrow && state.CurScale < data.targetSize) ||
+            (!shouldGrow && state.CurScale > data.targetSize))
             state.CurScale += amount;
     }
 
@@ -161,18 +158,17 @@ private void UpdateQuad(
         else if (data.useDirection)
         {
             // what even is this rotation, only used in e5021...
-            var dir = location.GlobalForward;
+            var dir = location.InnerForward;
             var rotUp = Vector3.Cross(dir, Vector3.One * 0.42340001f);
             var rotRight = Vector3.Cross(dir, rotUp);
             var rotForward = Vector3.Cross(rotUp, rotRight);
-            var rotMatrix = new Matrix4x4(
+            var rotMatrix = Matrix4x4.CreateFromAxisAngle(Vector3.UnitZ, angle) * new Matrix4x4(
                 rotRight.X, rotRight.Y, rotRight.Z, 0f,
                 rotUp.X, rotUp.Y, rotUp.Z, 0f,
                 rotForward.X, rotForward.Y, rotForward.Z, 0f,
                 0f, 0f, 0f, 1f);
-            rotMatrix = Matrix4x4.Transform(rotMatrix, Quaternion.CreateFromAxisAngle(Vector3.UnitZ, angle));
-            right = Vector3.Transform(Vector3.UnitX * w, rotMatrix);
-            up = Vector3.Transform(Vector3.UnitY * h, rotMatrix);
+            right = Vector3.TransformNormal(Vector3.UnitX * w, rotMatrix);
+            up = Vector3.TransformNormal(Vector3.UnitY * h, rotMatrix);
         }
         else
         {
diff --git a/zzre/materials/EffectMaterial.cs b/zzre/materials/EffectMaterial.cs
index b3968eb9..faaed6a5 100644
--- a/zzre/materials/EffectMaterial.cs
+++ b/zzre/materials/EffectMaterial.cs
@@ -96,9 +96,12 @@ public Range RentPatternIndices(Range vertexRange, IReadOnlyList<ushort> pattern
         return indexRange;
     }
 
-    private static readonly ushort[] QuadIndexPattern = [0, 2, 1, 0, 3, 2];
-    public Range RentQuadIndices(Range vertexRange) =>
-        RentPatternIndices(vertexRange, QuadIndexPattern);
+    private static readonly ushort[] SingleSidedQuadIndexPattern = [0, 2, 1, 0, 3, 2];
+    private static readonly ushort[] DoubleSidedQuadIndexPattern = [0, 2, 1, 0, 3, 2, 0, 1, 2, 0, 2, 3];
+    public Range RentQuadIndices(Range vertexRange, bool doubleSided = false) =>
+        RentPatternIndices(vertexRange, doubleSided
+            ? DoubleSidedQuadIndexPattern
+            : SingleSidedQuadIndexPattern);
 
     public void SetQuad(Range vertexRange, int offset, bool applyCenter, Vector3 center, Vector3 right, Vector3 up, IColor color, Rect texCoords)
     {
diff --git a/zzre/tools/ECSExplorer/ECSExplorer.Standard.cs b/zzre/tools/ECSExplorer/ECSExplorer.Standard.cs
index 733bdf3e..fc1d35bf 100644
--- a/zzre/tools/ECSExplorer/ECSExplorer.Standard.cs
+++ b/zzre/tools/ECSExplorer/ECSExplorer.Standard.cs
@@ -6,9 +6,7 @@
 using zzio;
 using zzio.db;
 using zzio.scn;
-using DefaultEcs.Resource;
 
-using EffectCombinerResource = DefaultEcs.Resource.ManagedResource<string, zzio.effect.EffectCombiner>;
 using zzre.game.components.effect;
 
 namespace zzre.tools;
@@ -40,7 +38,7 @@ private static void AddStandardEntityNaming()
         AddEntityNamerByComponent<CollectionFairy>(Highest, e => $"CollectionFairy \"{e.Get<InventoryFairy>().name}\" {e}");
 
         AddEntityNamerByComponent<LensFlare>(Highest, e => $"LensFlare {e}");
-        AddEntityNamerByComponent<EffectCombinerResource>(Highest, (e, c) => $"EffectCombiner {c.Info} {e}");
+        AddEntityNamerByComponent<zzio.effect.EffectCombiner>(Highest, (e, c) => $"EffectCombiner {c.description} {e}");
         AddEntityNamerByComponent<zzio.effect.parts.BeamStar>(Highest, (e, c) => $"BeamStar {c.Name} {e}");
         AddEntityNamerByComponent<zzio.effect.parts.ElectricBolt>(Highest, (e, c) => $"ElectricBolt {c.Name} {e}");
         AddEntityNamerByComponent<zzio.effect.parts.Models>(Highest, (e, c) => $"Models {c.Name} {e}");
@@ -67,7 +65,6 @@ private static void AddStandardEntityNaming()
 
         AddEntityNamer(High, e => e.Has<Rect>() || !e.TryGet<TileSheet>(out var res) ? null
             : $"Preload {(res.IsFont ? "font" : "tilesheet")} {res.Name}");
-        AddEntityNamer(Def, e => e.Has<Rect>() || !e.TryGet<ManagedResource<string, UIMaterial>>(out var res) ? null : $"Preload bitmap {res.Info}");
         AddEntityNamerByComponent<ButtonTiles>(High, e => $"Button #{e.TryGet<ElementId>().GetValueOrDefault(default).Value} {e}");
         AddEntityNamerByComponent<TooltipTarget>(High, e => $"Tooltip Target {e}");
         AddEntityNamerByComponent<Fade>(High, e => $"Fade {e}");
@@ -101,7 +98,7 @@ private static void AddStandardEntityGrouping()
         AddEntityGrouperByComponent<CirclingBird>(1000, Animals);
         AddEntityGrouperByComponent<AnimalWaypointAI>(1000, Animals);
         AddEntityGrouperByComponent<CollectionFairy>(1000, Animals);
-        AddEntityGrouperByComponent<EffectCombinerResource>(1000, Effects);
+        AddEntityGrouperByComponent<zzio.effect.EffectCombiner>(1000, Effects);
         AddEntityGrouperByComponent<LensFlare>(1000, Effects);
         AddEntityGrouperByComponent<ClumpMesh>(0, Models);
         AddEntityGrouperByComponent<Trigger>(-1, Triggers);