add DirectionalBlur

add DirectionalBlur

Author: QianMo

.vscode/settings.json

@@ -0,0 +1,56 @@
+{
+    "files.exclude":
+    {
+        "**/.DS_Store":true,
+        "**/.git":true,
+        "**/.gitignore":true,
+        "**/.gitmodules":true,
+        "**/*.booproj":true,
+        "**/*.pidb":true,
+        "**/*.suo":true,
+        "**/*.user":true,
+        "**/*.userprefs":true,
+        "**/*.unityproj":true,
+        "**/*.dll":true,
+        "**/*.exe":true,
+        "**/*.pdf":true,
+        "**/*.mid":true,
+        "**/*.midi":true,
+        "**/*.wav":true,
+        "**/*.gif":true,
+        "**/*.ico":true,
+        "**/*.jpg":true,
+        "**/*.jpeg":true,
+        "**/*.png":true,
+        "**/*.psd":true,
+        "**/*.tga":true,
+        "**/*.tif":true,
+        "**/*.tiff":true,
+        "**/*.3ds":true,
+        "**/*.3DS":true,
+        "**/*.fbx":true,
+        "**/*.FBX":true,
+        "**/*.lxo":true,
+        "**/*.LXO":true,
+        "**/*.ma":true,
+        "**/*.MA":true,
+        "**/*.obj":true,
+        "**/*.OBJ":true,
+        "**/*.asset":true,
+        "**/*.cubemap":true,
+        "**/*.flare":true,
+        "**/*.mat":true,
+        "**/*.meta":true,
+        "**/*.prefab":true,
+        "**/*.unity":true,
+        "build/":true,
+        "Build/":true,
+        "Library/":true,
+        "library/":true,
+        "obj/":true,
+        "Obj/":true,
+        "ProjectSettings/":true,
+        "temp/":true,
+        "Temp/":true
+    }
+}

Assets/X-PostProcessing/Effects/IrisBlur/README.md.meta

@@ -25,7 +25,7 @@ Shader "Hidden/X-PostProcessing/IrisBlurV2"
 
 	float IrisMask(float2 uv)
 	{
-		float2 center = uv * 2.0 - 1.0 + _Offset; // [0,1] -> [-1,1]  , 1MAD
+		float2 center = uv * 2.0 - 1.0 + _Offset; // [0,1] -> [-1,1] 
 		return dot(center, center) * _AreaSize;
 	}