diff --git a/EditorPreview/LightUpdater.Editor.cs b/EditorPreview/LightUpdater.Editor.cs
index 9dc7024..41543d8 100644
--- a/EditorPreview/LightUpdater.Editor.cs
+++ b/EditorPreview/LightUpdater.Editor.cs
@@ -38,7 +38,7 @@ public partial class LightUpdater
             float intensity    = (data != null) ? data.intensity * t.localScale.x : 1f;
 
             // w = cosHalfAngle (0 for omni)
-            float cosHalf      = (data != null) ? data.GetCosHalfAngle() : 0f;
+            float cosHalf      = (data != null) ? data.spotAngleDeg : 0f;
 
             // 0=Omni, 1=Spot, 2=Directional (your custom enum)
             int typeId         = (data != null) ? data.GetTypeId() : 0;
diff --git a/Scripts/LightUpdater.cs b/Scripts/LightUpdater.cs
index b9ad5be..372a024 100644
--- a/Scripts/LightUpdater.cs
+++ b/Scripts/LightUpdater.cs
@@ -221,7 +221,7 @@ public partial class LightUpdater : UdonSharpBehaviour
                 Vector3 fwd = rot * Vector3.down;
 
 
-                float   cosHalf = (data != null) ? data.GetCosHalfAngle() : 0f;
+                float   Lightangle = (data != null) ? data.spotAngleDeg : 0f;
 
                 Vector4 posTemp = new Vector4(pos.x, pos.y, pos.z, range);
                 if (_positions[currentCount] != posTemp)
@@ -235,7 +235,7 @@ public partial class LightUpdater : UdonSharpBehaviour
                     _lightColors[currentCount] = colorTemp;
                     _lightColors_isDirty = true;
                 }
-                Vector4 dirTemp = new Vector4(fwd.x, fwd.y, fwd.z, cosHalf);
+                Vector4 dirTemp = new Vector4(fwd.x, fwd.y, fwd.z, Lightangle);
                 if (_directions[currentCount] != dirTemp)
                 {
                     _directions[currentCount] = dirTemp;
diff --git a/Shader/Includes/LightStrength.hlsl b/Shader/Includes/LightStrength.hlsl
index d9119d0..d858403 100644
--- a/Shader/Includes/LightStrength.hlsl
+++ b/Shader/Includes/LightStrength.hlsl
@@ -14,7 +14,7 @@
         float threshold = (-1 + _Udon_LightDirections[LightCounter].w / 180); \
         \
         contrib = min(dot(normalize(i.worldPos - Lightposition), -normalize(_Udon_LightDirections[LightCounter].xyz)), 0); \
-        contrib= 1 - step(threshold, contrib); \
+        contrib= 1 - smoothstep(threshold, threshold + radius / 180, contrib); \
         \
         contrib = contrib * invSq; \
         dIntensity += contrib; \