Added release build configs

.gitignore

@@ -2,4 +2,5 @@ bin/
 obj/
 /packages/
 riderModule.iml
-/_ReSharper.Caches/
+/_ReSharper.Caches/
+publish/

.idea/.idea.SDFMapCreator/.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>

.run/Release Build Linux-x64.run.xml

@@ -0,0 +1,6 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Release Build Linux-x64" type="DotNetFolderPublish" factoryName="Publish to folder">
+    <riderPublish configuration="Release" delete_existing_files="true" include_native_libs_for_self_extract="true" platform="Any CPU" produce_single_file="true" runtime="linux-x64" target_folder="$PROJECT_DIR$/SDFMapCreator/publish/linux-x64" target_framework="net8.0" uuid_high="-7972981449231152312" uuid_low="-5206031561210231144" />
+    <method v="2" />
+  </configuration>
+</component>

.run/Release Build Win-x64.run.xml

@@ -0,0 +1,6 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Release Build Win-x64" type="DotNetFolderPublish" factoryName="Publish to folder">
+    <riderPublish configuration="Release" delete_existing_files="true" include_native_libs_for_self_extract="true" platform="Any CPU" produce_single_file="true" runtime="win-x64" target_folder="$PROJECT_DIR$/SDFMapCreator/publish/win-x64" target_framework="net8.0" uuid_high="-7972981449231152312" uuid_low="-5206031561210231144" />
+    <method v="2" />
+  </configuration>
+</component>

SDFMapCreator.sln.DotSettings

@@ -0,0 +1,19 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:String x:Key="/Default/CodeStyle/CSharpVarKeywordUsage/ForBuiltInTypes/@EntryValue">UseVar</s:String>
+	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpCodeStyle/BRACES_FOR_LOCK/@EntryValue">NotRequired</s:String>
+	<s:Boolean x:Key="/Default/CodeStyle/CodeFormatting/CSharpCodeStyle/BRACES_REDUNDANT/@EntryValue">False</s:Boolean>
+	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpCodeStyle/DEFAULT_PRIVATE_MODIFIER/@EntryValue">Implicit</s:String>
+	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpCodeStyle/METHOD_OR_OPERATOR_BODY/@EntryValue">ExpressionBody</s:String>
+	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpCodeStyle/MODIFIERS_ORDER/@EntryValue">public private protected internal file new static abstract virtual override readonly sealed extern unsafe volatile async required</s:String>
+	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/PLACE_EXPR_METHOD_ON_SINGLE_LINE/@EntryValue">IF_OWNER_IS_SINGLE_LINE</s:String>
+	<s:Boolean x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/ALLOW_COMMENT_AFTER_LBRACE/@EntryValue">True</s:Boolean>
+	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/ANONYMOUS_METHOD_DECLARATION_BRACES/@EntryValue">END_OF_LINE</s:String>
+	<s:Int64 x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/BLANK_LINES_AROUND_SINGLE_LINE_INVOCABLE/@EntryValue">1</s:Int64>
+	<s:Boolean x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/INDENT_NESTED_FOR_STMT/@EntryValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/WRAP_BEFORE_ARROW_WITH_EXPRESSIONS/@EntryValue">True</s:Boolean>
+	<s:Int64 x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/WRAP_LIMIT/@EntryValue">151</s:Int64>
+	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpFormat/WRAP_OBJECT_AND_COLLECTION_INITIALIZER_STYLE/@EntryValue">WRAP_IF_LONG</s:String>
+	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ECSharpKeepExistingMigration/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ECSharpPlaceEmbeddedOnSameLineMigration/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ECSharpUseContinuousIndentInsideBracesMigration/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EMigrateBlankLinesAroundFieldToBlankLinesAroundProperty/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

SDFMapCreator.sln.DotSettings.user

@@ -6,6 +6,7 @@
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AMonitor_002ECoreCLR_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002E_002E_003F_002E_002E_003Fhome_003Fmm00_003F_002Econfig_003FJetBrains_003FRider2024_002E3_003Fresharper_002Dhost_003FSourcesCache_003F8056cd3f452fefb9834f05cdb275b762dd41f27b7766cd71174e78592dc495b_003FMonitor_002ECoreCLR_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003APixelTypeInfo_002Ecs_002Fl_003AC_0021_003FUsers_003Fairon_003FAppData_003FRoaming_003FJetBrains_003FRider2024_002E3_003Fresharper_002Dhost_003FSourcesCache_003Fc3cfdca1fb93eb6df5e51a81da5df646adfab8b862fd1a07ee5d247b49c5179_003FPixelTypeInfo_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ASafeFileHandle_002EUnix_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002E_002E_003F_002E_002E_003Fhome_003Fmm00_003F_002Econfig_003FJetBrains_003FRider2024_002E3_003Fresharper_002Dhost_003FSourcesCache_003F9cf5f68d759deefc91b9c48c5ac3dd27708bb7dc38d0c485661fff5ce15b82_003FSafeFileHandle_002EUnix_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ASafeFileHandle_002EWindows_002Ecs_002Fl_003AC_0021_003FUsers_003Fairon_003FAppData_003FRoaming_003FJetBrains_003FRider2024_002E3_003Fresharper_002Dhost_003FSourcesCache_003F261ea83c988816e3d8fe76b15b7ac6c10af64b8f9e739854f83c137c8ba9_003FSafeFileHandle_002EWindows_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AThrowHelper_002Ecs_002Fl_003AC_0021_003FUsers_003Fairon_003FAppData_003FRoaming_003FJetBrains_003FRider2024_002E3_003Fresharper_002Dhost_003FSourcesCache_003F2c8e7ca976f350cba9836d5565dac56b11e0b56656fa786460eb1395857a6fa_003FThrowHelper_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AVector3_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002E_002E_003F_002E_002E_003Fhome_003Fmm00_003F_002Econfig_003FJetBrains_003FRider2024_002E3_003Fresharper_002Dhost_003FSourcesCache_003F6edafe13d8727aa238b865f5dc91dbc984b5abfbc60bece3744f6311c2c_003FVector3_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/Environment/AssemblyExplorer/XmlDocument/@EntryValue">&lt;AssemblyExplorer&gt;

SDFMapCreator/ImageUtil.cs

@@ -18,14 +18,14 @@ public static class ImageUtil {
 
     static T[,] ProcessPixelsRgba64<T>(this Image<Rgba64> image) where T : struct, IEquatable<T> {
         var max = 65535f;
-        int width = image.Width;
+        var width = image.Width;
-        int height = image.Height;
+        var height = image.Height;
         var result = new T[image.Width, image.Height];
         image.ProcessPixelRows(accessor => {
             //we use Y as the row index and X as the column index
-            for (int y = 0; y < height; y++) {
+            for (var y = 0; y < height; y++) {
                 var span = accessor.GetRowSpan(y);
-                for (int x = 0; x < width; x++) {
+                for (var x = 0; x < width; x++) {
                     switch (result) {
                         case float[,] f:
                             f[x, y] = span[x].R / max * (span[x].A / max);
@@ -37,7 +37,7 @@ public static class ImageUtil {
                             f[x, y] = new Vector3(span[x].R / max, span[x].G / max, span[x].B / max) * new Vector3(span[x].A / max);
                             break;
                         case Vector4[,] f:
-                            f[x, y] = new Vector4(span[x].R / max, span[x].G / max, span[x].B / max, span[x].A / max);
+                            f[x, y] = new(span[x].R / max, span[x].G / max, span[x].B / max, span[x].A / max);
                             break;
                     }
                 }
@@ -48,14 +48,14 @@ public static class ImageUtil {
 
     static T[,] ProcessPixelsRgb24<T>(this Image<Rgb24> image) where T : struct, IEquatable<T> {
         var max = 255f;
-        int width = image.Width;
+        var width = image.Width;
-        int height = image.Height;
+        var height = image.Height;
         var result = new T[image.Width, image.Height];
         image.ProcessPixelRows(accessor => {
             //we use Y as the row index and X as the column index
-            for (int y = 0; y < height; y++) {
+            for (var y = 0; y < height; y++) {
                 var span = accessor.GetRowSpan(y);
-                for (int x = 0; x < width; x++) {
+                for (var x = 0; x < width; x++) {
                     switch (result) {
                         case float[,] f:
                             f[x, y] = span[x].R / max;
@@ -75,17 +75,17 @@ public static class ImageUtil {
         });
         return result;
     }
-    
+
     static T[,] ProcessPixelsRgba32<T>(this Image<Rgba32> image) where T : struct, IEquatable<T> {
         var max = 255f;
-        int width = image.Width;
+        var width = image.Width;
-        int height = image.Height;
+        var height = image.Height;
         var result = new T[image.Width, image.Height];
         image.ProcessPixelRows(accessor => {
             //we use Y as the row index and X as the column index
-            for (int y = 0; y < height; y++) {
+            for (var y = 0; y < height; y++) {
                 var span = accessor.GetRowSpan(y);
-                for (int x = 0; x < width; x++) {
+                for (var x = 0; x < width; x++) {
                     switch (result) {
                         case float[,] f:
                             f[x, y] = span[x].R / max * (span[x].A / max);
@@ -97,7 +97,7 @@ public static class ImageUtil {
                             f[x, y] = new Vector3(span[x].R / max, span[x].G / max, span[x].B / max) * new Vector3(span[x].A / max);
                             break;
                         case Vector4[,] f:
-                            f[x, y] = new Vector4(span[x].R / max, span[x].G / max, span[x].B / max, span[x].A / max);
+                            f[x, y] = new(span[x].R / max, span[x].G / max, span[x].B / max, span[x].A / max);
                             break;
                     }
                 }
@@ -105,17 +105,17 @@ public static class ImageUtil {
         });
         return result;
     }
-    
+
     static T[,] ProcessPixelsRgb48<T>(this Image<Rgb48> image) where T : struct, IEquatable<T> {
         var max = 65535f;
-        int width = image.Width;
+        var width = image.Width;
-        int height = image.Height;
+        var height = image.Height;
         var result = new T[image.Width, image.Height];
         image.ProcessPixelRows(accessor => {
             //we use Y as the row index and X as the column index
-            for (int y = 0; y < height; y++) {
+            for (var y = 0; y < height; y++) {
                 var span = accessor.GetRowSpan(y);
-                for (int x = 0; x < width; x++) {
+                for (var x = 0; x < width; x++) {
                     switch (result) {
                         case float[,] f:
                             f[x, y] = span[x].R / max;
@@ -135,7 +135,7 @@ public static class ImageUtil {
         });
         return result;
     }
-    
+
     public static void SaveImage<T>(this T[,] array, string path) where T : struct, IEquatable<T> {
         var width = array.GetLength(0);
         var height = array.GetLength(1);
@@ -149,21 +149,21 @@ public static class ImageUtil {
         Console.Write($"Writing image {path}...");
         using Image<Rgb48> image = new(width, height);
         image.ProcessPixelRows(accessor => {
-            for (int y = 0; y < height; y++) {
+            for (var y = 0; y < height; y++) {
                 var span = accessor.GetRowSpan(y);
-                for (int x = 0; x < width; x++) {
+                for (var x = 0; x < width; x++) {
                     switch (array) {
                         case float[,] f:
-                            span[x] = new Rgb48((ushort)(f[x, y] * 65535), (ushort)(f[x, y] * 65535), (ushort)(f[x,y] * 65535));
+                            span[x] = new((ushort)(f[x, y] * 65535), (ushort)(f[x, y] * 65535), (ushort)(f[x, y] * 65535));
                             break;
                         case Vector2[,] f:
-                            span[x] = new Rgb48((ushort)(f[x,y].X * 65535), (ushort)(f[x,y].Y * 65535), 0);
+                            span[x] = new((ushort)(f[x, y].X * 65535), (ushort)(f[x, y].Y * 65535), 0);
                             break;
                         case Vector3[,] f:
-                            span[x] = new Rgb48((ushort)(f[x,y].X * 65535), (ushort)(f[x,y].Y * 65535), (ushort)(f[x,y].Z * 65535));
+                            span[x] = new((ushort)(f[x, y].X * 65535), (ushort)(f[x, y].Y * 65535), (ushort)(f[x, y].Z * 65535));
                             break;
                         case Vector4[,] f:
-                            span[x] = new Rgb48((ushort)(f[x,y].X * 65535), (ushort)(f[x,y].Y * 65535), (ushort)(f[x,y].Z * 65535));
+                            span[x] = new((ushort)(f[x, y].X * 65535), (ushort)(f[x, y].Y * 65535), (ushort)(f[x, y].Z * 65535));
                             break;
                     }
                 }
@@ -172,13 +172,13 @@ public static class ImageUtil {
         Console.WriteLine($"Done!");
         image.Save(path);
     }
-    
+
-    private static void ImageData(SixLabors.ImageSharp.Image image1, string path) {
+    static void ImageData(SixLabors.ImageSharp.Image image1, string path) {
         Console.WriteLine(
             $"""
              Image file: {path}
              Resolution: {image1.Width}x{image1.Height}
-             Total Pixels: {image1.Width*image1.Height} |{"NaN"} channels, {image1.PixelType.BitsPerPixel/4} bits per channel
+             Total Pixels: {image1.Width * image1.Height} |{"NaN"} channels, {image1.PixelType.BitsPerPixel / 4} bits per channel
 
              """);
     }

SDFMapCreator/Program.cs

@@ -1,15 +1,14 @@
 using System.Diagnostics;
 using System.Numerics;
 using System.Runtime.CompilerServices;
-using SDFMapCreator;
 
-public class Program {
+namespace SDFMapCreator;
-    private const float MAX = 1f;
+
-    private const float MIN = 0f;
+public static class Program {
-    private static readonly int MAX_THREADS = Environment.ProcessorCount - 2;
+    const float MAX = 1f;
-    private const bool outputMasks = true;
+    const float MIN = 0f;
-    private const bool outputSDFs = true;
+    static readonly int MAX_THREADS = Environment.ProcessorCount - 2;
-    private const bool outputGradients = true;
+    static bool debug = true;
     static readonly ParallelOptions parallelOptions = new() { MaxDegreeOfParallelism = MAX_THREADS };
     static List<Image> Images = new();
     static List<MaskData> ImageMasks = new();
@@ -19,20 +18,25 @@ public class Program {
     static readonly SdfKernels kernels = new();
     static uint width;
     static uint height;
-    
+
     static void ConsoleUpdateLine(string s) => Console.Write("\r" + s);
 
     public static void Main(string[] args) {
         Console.WriteLine("Reading images...");
 
-/*
+        if (debug) {
+            if (!Directory.Exists("Debug")) Directory.CreateDirectory("Debug");
+            Console.WriteLine("Debug mode enabled.");
+        }
+
+        
         var imagesPath = "images";
-        for (int i = 0; i < 8; i++) {
+        for (var i = 0; i < 8; i++) {
             var pixels = ImageUtil.LoadImage<Vector3>($"./{imagesPath}{Path.DirectorySeparatorChar}{i + 1:00}.png");
             Images.Add(new(pixels, pixels.GetLength(0), pixels.GetLength(1)));
         }
-*/
 
+        /*
         var pixels = ImageUtil.LoadImage<Vector3>($"./sphereempty.png");
         Images.Add(new(pixels, pixels.GetLength(0), pixels.GetLength(1)));
         pixels = ImageUtil.LoadImage<Vector3>($"./spherehalf.png");
@@ -41,13 +45,20 @@ public class Program {
         Images.Add(new(pixels, pixels.GetLength(0), pixels.GetLength(1)));
         pixels = ImageUtil.LoadImage<Vector3>($"./spherefull.png");
         Images.Add(new(pixels, pixels.GetLength(0), pixels.GetLength(1)));
-        
+*/
+
         //check if all the images in Images are the same resolution
         if (Images.Select(img => (img.Width, img.Height)).Distinct().Count() > 1) {
             Console.WriteLine("Error: Not all images have the same resolution.");
             Environment.Exit(1);
         }
 
+        width = (uint)Images[0].Width;
+        height = (uint)Images[0].Height;
+        
+        // sum all images together
+        if(debug) Images[0].Pixels.SaveImage("Debug/Sum0.png");
+
         for (int i = 1; i < Images.Count; i++) {
             for (int x = 0; x < Images[i].Width; x++) {
                 for (int y = 0; y < Images[i].Height; y++) {
@@ -56,62 +67,64 @@ public class Program {
                     Images[i].Pixels[x, y].Z = MathF.Min(Images[i - 1].Pixels[x, y].Z + Images[i].Pixels[x, y].X, MAX);
                 }
             }
-            Images[i].Pixels.SaveImage($"./Sum{i}.png");
+
+            if(debug)Images[i].Pixels.SaveImage($"Debug/Sum{i}.png");
         }
+        
 
         Console.WriteLine("Creating masks...");
-        //for each image pair, create a mask
+        for (var i = 0; i < Images.Count; i++) { //for each image pair, create a mask
-        width = (uint)Images[0].Width;
+            var selfMask = SelfMask(Images[i].Pixels);
-        height = (uint)Images[0].Height;
+            ImageMasks.Add(new(selfMask, Images[i], new()));
-        for (int i = 0; i < Images.Count; i++) {
+            if (debug) selfMask.SaveImage($"Debug/selfMask{i}.png");
-            ImageMasks.Add(new(SelfMask(Images[i].Pixels, width, height), Images[i], new()));
+            if (i >= Images.Count - 1) continue;
-            if (i < Images.Count - 1) {
+            ConsoleUpdateLine($"Creating mask {i}...");
-                Console.WriteLine($"Creating mask {i}...");
+            var mask = GetABMask(Images[i].Pixels, Images[i + 1].Pixels);
-                var mask = GetABMask(Images[i].Pixels, Images[i + 1].Pixels, width, height);
+            TransitionMasks.Add(new(mask, Images[i], Images[i + 1]));
-                TransitionMasks.Add(new(mask, Images[i], Images[i + 1]));
-            }
         }
 
-        Console.WriteLine("Edge detecting masks...");
         //EdgeDetect all masks
-        foreach (var t in ImageMasks) EdgeDetect(t);
+        Console.WriteLine("\nEdge detecting masks...");
-
+        foreach (var mask in ImageMasks) {
-        if (outputMasks) {
+            ConsoleUpdateLine($"Edge detecting mask {ImageMasks.IndexOf(mask)}...");
-            Console.WriteLine("Writing masks...");
+            EdgeDetect(mask);
-            for (int i = 0; i < TransitionMasks.Count; i++) ImageMasks[i].Mask.SaveImage($"mask{i}.png");
         }
+        if (debug)
+            for (var i = 0; i < TransitionMasks.Count; i++)
+                ImageMasks[i].Mask.SaveImage($"Debug/mask{i}.png");
 
         Console.WriteLine("Creating SDFs...");
         for (var i = 0; i < ImageMasks.Count; i++) {
             var mask = ImageMasks[i];
             SDFs.Add(SDF(mask));
-            if (outputSDFs) SDFs[i].SDF.SaveImage($"sdf{i}.png");
+            if (debug) SDFs[i].SDF.SaveImage($"Debug/sdf{i}.png");
         }
 
         Console.WriteLine("Creating gradients...");
         for (var i = 0; i < TransitionMasks.Count; i++) {
-            Console.WriteLine($"Generating gradient {i}...");
+            ConsoleUpdateLine($"Generating gradient {i}...");
             var gradientData = Gradient(TransitionMasks[i], SDFs[i], SDFs[i + 1]);
             Gradients.Add(gradientData);
-            if (outputGradients) gradientData.SaveImage($"gradient{i}.png");
+            if (debug) gradientData.SaveImage($"Debug/gradient{i}.png");
         }
 
         // generate final image
         var finalImage = new Vector3[width, height];
         var currStep = 0f;
-        var stepIncrement = MAX / (Gradients.Count);
+        var stepIncrement = MAX / Gradients.Count;
-
-        for (int x = 0; x < width; x++)
-        for (int y = 0; y < height; y++)
-            finalImage[x, y] = new Vector3(Images[0].Pixels[x, y].X);
 
+        
+        for (var x = 0; x < width; x++)
+            for (var y = 0; y < height; y++)
+                finalImage[x, y] = new(ImageMasks[0].Mask[x, y].X != 0 || ImageMasks[0].Mask[x, y].Y > 0 ? MAX : MIN);
+        
         for (var i = 0; i < Gradients.Count; i++) {
             var mask = ImageMasks[i + 1];
             var gradient = Gradients[i];
             Console.WriteLine($"Applying gradient {i}..., {currStep} -> {currStep + stepIncrement}");
             for (var x = 0; x < mask.Mask.GetLength(0); x++) {
                 for (var y = 0; y < mask.Mask.GetLength(1); y++) {
-                    if (gradient[x, y].X == 0) continue;
+                    if (mask.Mask[x,y].X == 0) continue;
                     var pixel = new Vector3(Remap(gradient[x, y].X, MIN, MAX, 1.0f - currStep,
                         1.0f - (currStep + stepIncrement)));
                     if (pixel.X > finalImage[x, y].X) finalImage[x, y] = pixel;
@@ -119,13 +132,26 @@ public class Program {
             }
             currStep += stepIncrement;
         }
-        finalImage.SaveImage("final.png");
+        
+        finalImage.SaveImage("Debug/Final.png");
+
+        // apply directional blur
+        var iterations = 1;
+        var radius = 100f;
+        var step = .5f;
+        var sigma = 1f;
+        var totalMask = SelfMask(Images[^1].Pixels);
+        totalMask.SaveImage("Debug/TotalMask.png");
+        for (var i = 0; i < iterations; i++) {
+            Console.WriteLine($"Applying directional blur {i + 1}/{iterations}...");
+            finalImage = DirectionalBlur(finalImage, totalMask, radius, step, sigma);
+        }
+
+        finalImage.SaveImage("finalBlur.png");
         Console.WriteLine("Done!");
     }
 
-    private static void EdgeDetect(MaskData maskData) {
+    static void EdgeDetect(MaskData maskData) {
-        uint width = (uint)maskData.Image.Width;
-        uint height = (uint)maskData.Image.Height;
         var sw = new Stopwatch();
         sw.Start();
         Console.WriteLine("Running edge detection...");
@@ -136,16 +162,13 @@ public class Program {
             // ReSharper disable once PossibleLossOfFraction
             lock (maskData.Edges) maskData.Edges.Add(new(i % width, i / width));
         });
-        
+
         sw.Stop();
         Console.WriteLine(
-            $"\nEdge pixels: {maskData.Edges.Count} | {maskData.Edges.Count / (sw.ElapsedMilliseconds + 1)} pixels/s\n Time: {sw.Elapsed.TotalSeconds:F4}s");
+            $"\nEdge pixels: {maskData.Edges.Count} | {width * height / (sw.ElapsedMilliseconds + 1)} pixels/s\n Time: {sw.Elapsed.TotalSeconds:F4}s");
     }
 
     static Vector3[,] Gradient(TransitionMaskData mask, SDFData sdfA, SDFData sdfB) {
-        uint width = (uint)mask.ImageA.Width;
-        uint height = (uint)mask.ImageA.Height;
-        int iterCount = 0;
         var sw = new Stopwatch();
         sw.Start();
         /*Vector3[,] temp = new Vector3[width, height];
@@ -172,64 +195,55 @@ public class Program {
         });*/
 
         kernels.Gradient(mask.Mask, sdfA.SDF, sdfB.SDF, out var temp);
-        Console.WriteLine(
+        Console.WriteLine($"Gradient Time: {sw.Elapsed.TotalSeconds:N4}s ({width * height / (float)sw.Elapsed.TotalSeconds:N0} pixels/s)");
-            $"Gradient Time: {sw.Elapsed.TotalSeconds:N4}s ({iterCount / (float)sw.Elapsed.TotalSeconds:N0} pixels/s)");
-        //Console.WriteLine($"Min: {min} | Max: {max}");
         return temp;
     }
 
     static SDFData SDF(MaskData mask) {
-        var width = (uint)mask.Mask.GetLength(0);
-        var height = (uint)mask.Mask.GetLength(1);
-        float AbsMax = MIN;
-        int iterCount = 0;
         var sw = new Stopwatch();
         sw.Start();
-        /*Parallel.For(0, width * height, parallelOptions, (i) =>
+        kernels.Sdf(mask.Edges.ToArray(), (int)width, (int)height, out var temp);
-        {
+        Console.WriteLine($"\nSDF Generation Time: {sw.Elapsed.TotalSeconds:N4}s ({width * height / sw.Elapsed.TotalSeconds:N0} pixels/s)");
+
+        sw.Restart();
+        var absMax = 0f;
+        foreach (var pixel in temp) {
+            if (pixel.X > absMax) absMax = pixel.X;
+        }
+
+        Parallel.For(0, width * height, parallelOptions, (i) => {
             //convert 1D index to 2D index
             var x = (int)(i % width);
             var y = (int)(i / width);
-            Vector2 p = new(x / (float)width, y / (float)height); //get the pixel position as a Vector2
+            temp[x, y] = new(Remap(temp[x, y].X, 0, absMax, MIN, MAX));
+        });
+        sw.Stop();
 
-            float minDist = MAX + 1; //initialize the minimum distance to the maximum possible value
-
-            //loop through all the pixels in the mask
-            foreach (var edge in mask.Edges) {
-                Vector2 edgeNorm = new(edge.X / (float)width, edge.Y / (float)height);
-                float dist = Vector2.DistanceSquared(p, edgeNorm);
-                if (dist < minDist) minDist = dist;
-            }
-
-            if (minDist > MAX)
-                minDist = MAX;
-
-            temp[x, y] = new(minDist);
-            if (minDist > AbsMax) AbsMax = minDist;
-            iterCount++;
-            if (iterCount % (width * height / 100) == 0) {
-                ConsoleUpdateLine(
-                    $"Progress: {iterCount / (float)(width * height):P}% | {iterCount / (sw.Elapsed.TotalSeconds):N0} pixels/s");
-            }
-        });*/
-        kernels.Sdf(mask.Edges.ToArray(), (int)width, (int)height, out var temp);
-        
         Console.WriteLine(
-            $"\nSDF Generation Time: {sw.Elapsed.TotalSeconds:N4}s ({iterCount / sw.Elapsed.TotalSeconds:N0} pixels/s)");
+            $"SDF Normalization Time: {sw.Elapsed.TotalSeconds:N4}s ({width * height / sw.Elapsed.TotalSeconds:N0} pixels/s)");
 
         return new(temp);
     }
 
+    static Vector3[,] DirectionalBlur(Vector3[,] image, Vector3[,] mask, float radius = 3f, float step = .5f, float sigma = 1f) {
+        var sw = new Stopwatch();
+        sw.Start();
+        kernels.DirectionalBlur(image, mask, out var temp, radius, step, sigma);
+        Console.WriteLine(
+            $"Directional Blur Time: {sw.Elapsed.TotalSeconds:N4}s ({width * height / sw.Elapsed.TotalSeconds:N0} pixels/s)");
+        return temp;
+    }
+
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    private static float EuclideanDistance(Vector2 a, Vector2 b) =>
+    static float EuclideanDistance(Vector2 a, Vector2 b) =>
         MathF.Sqrt(MathF.Pow(a.X - b.X, 2) + MathF.Pow(a.Y - b.Y, 2));
-    
+
-    static Vector3[,] GetABMask(Vector3[,] A, Vector3[,] B, uint resX, uint resY) {
+    static Vector3[,] GetABMask(Vector3[,] A, Vector3[,] B) {
         kernels.ABMask(A, B, out var temp);
         return temp;
     }
 
-    static Vector3[,] SelfMask(Vector3[,] A, uint resX, uint resY) {
+    static Vector3[,] SelfMask(Vector3[,] A) {
         kernels.SelfMask(A, out var temp);
         return temp;
     }

SDFMapCreator/Records.cs

@@ -3,10 +3,12 @@ using System.Numerics;
 namespace SDFMapCreator;
 
 public record Image(Vector3[,] Pixels, int Width, int Height);
+
 public record MaskData(Vector3[,] Mask, Image Image, List<Vector2> Edges) {
     public Vector3[,] Mask { get; set; } = Mask;
     public List<Vector2> Edges { get; set; } = Edges;
 }
 
 public record SDFData(Vector3[,] SDF);
+
 public record TransitionMaskData(Vector3[,] Mask, Image ImageA, Image ImageB);

SDFMapCreator/SDFMapCreator.csproj

@@ -8,66 +8,67 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="ILGPU" Version="1.5.2" />
+        <PackageReference Include="ILGPU" Version="1.5.2"/>
-      <PackageReference Include="SixLabors.ImageSharp" Version="3.1.7" />
+        <PackageReference Include="ILGPU.Algorithms" Version="1.5.2"/>
-      <PackageReference Include="System.Numerics.Vectors" Version="4.6.1" />
+        <PackageReference Include="SixLabors.ImageSharp" Version="3.1.7"/>
+        <PackageReference Include="System.Numerics.Vectors" Version="4.6.1"/>
     </ItemGroup>
 
     <ItemGroup>
-      <None Update="1.png">
+        <None Update="1.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="2.png">
+        <None Update="2.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="TestPattern.png">
+        <None Update="TestPattern.png">
-        <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="images\01.png">
+        <None Update="images\01.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="images\02.png">
+        <None Update="images\02.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="images\03.png">
+        <None Update="images\03.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="images\04.png">
+        <None Update="images\04.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="images\05.png">
+        <None Update="images\05.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="images\06.png">
+        <None Update="images\06.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="images\07.png">
+        <None Update="images\07.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="images\08.png">
+        <None Update="images\08.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="spherecut.png">
+        <None Update="spherecut.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="spherefull.png">
+        <None Update="spherefull.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="spherehalf.png">
+        <None Update="spherehalf.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="spherehalf32.png">
+        <None Update="spherehalf32.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="spherefull32.png">
+        <None Update="spherefull32.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="spherecut32.png">
+        <None Update="spherecut32.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
-      <None Update="sphereempty.png">
+        <None Update="sphereempty.png">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </None>
+        </None>
     </ItemGroup>
 
 </Project>

SDFMapCreator/SdfKernels.Kernels.cs

@@ -5,79 +5,163 @@ using ILGPU.Runtime;
 namespace SDFMapCreator;
 
 public partial class SdfKernels {
-    private static void SelfMaskKernel(Index2D index, ArrayView2D<Vector3, Stride2D.DenseX> input, ArrayView2D<Vector3, Stride2D.DenseX> mask) {
+    
-        int x = index.X;
+    private const float LUMA_THRESHOLD = 0.0f;
-        int y = index.Y;
+    static void SelfMaskKernel(Index2D index, ArrayView2D<Vector3, Stride2D.DenseX> input, ArrayView2D<Vector3, Stride2D.DenseX> mask) {
-        Vector3 value = input[x, y];
+        var x = index.X;
-        float lumaA = (value.X + value.Y + value.Z)/3f;
+        var y = index.Y;
-        float r = lumaA > 0.99f ? 1f : 0f;
+        var value = input[x, y];
-        mask[x,y] = new (r, 0f, 0f);
+        var lumaA = value.X;
+        var r = lumaA > LUMA_THRESHOLD ? 1f : 0f;
+        mask[x, y] = new(r, 0f, 0f);
     }
 
-    private static void ABMaskKernel(Index2D index,
+    static void ABMaskKernel(Index2D index,
         ArrayView2D<Vector3, Stride2D.DenseX> A,
         ArrayView2D<Vector3, Stride2D.DenseX> B,
         ArrayView2D<Vector3, Stride2D.DenseX> mask
     ) {
-        int x = index.X;
+        var x = index.X;
-        int y = index.Y;
+        var y = index.Y;
-        Vector3 valueA = A[x, y];
+        var valueA = A[x, y];
-        Vector3 valueB = B[x, y];
+        var valueB = B[x, y];
-        float lumaA = (valueA.X + valueA.Y + valueA.Z) / 3f;
+        var lumaA = valueA.X;
-        float lumaB = (valueB.X + valueB.Y + valueB.Z) / 3f;
+        var lumaB = valueB.X;
-        float r = lumaA > 0.99f && lumaB > 0.99f ? 1f : 0f;
+        var r = lumaB - lumaA > LUMA_THRESHOLD ? 1f : 0f;
-        mask[x, y] = new (r, 0f, 0f);
+        mask[x, y] = new(r, 0f, 0f);
     }
 
-    private static void EdgeKernel(Index2D index,
+    static void EdgeKernel(Index2D index,
         ArrayView2D<Vector3, Stride2D.DenseX> mask,
         uint width, uint height
     ) { // early exit if not on mask
-       if (mask[index].X == 0f) return;
+        if (mask[index].X == 0f) return;
-       int x = index.X;
+        var x = index.X;
-       int y = index.Y;
+        var y = index.Y;
-       //if we are on the edge of the image, return false
+        //if we are on the edge of the image, return false
-       if (x == 0 || y == 0 || x == width - 1 || y == height - 1) return;
+        if (x == 0 || y == 0 || x == width - 1 || y == height - 1) {
-       
+            mask[index].Y = 1f; //set the edge flag
-       //check the 3x3 kernel
+            return;
-       for (int xi = x - 1; xi <= x + 1; xi++) {
+        }
-           for (int yi = y - 1; yi <= y + 1; yi++) {
+
-               if (xi < 0 || xi >= width || yi < 0 || yi >= height)
+        //check the 3x3 kernel
-                   continue; //skip out of bounds pixels
+        for (var xi = x - 1; xi <= x + 1; xi++) {
-               if (mask[xi, yi].X == 0f)
+            for (var yi = y - 1; yi <= y + 1; yi++) {
-                   mask[index].Y = 1f; //if we find a black pixel, return true
+                if (xi < 0 || xi >= width || yi < 0 || yi >= height)
-           }
+                    continue; //skip out of bounds pixels
-       }
+                if (mask[xi, yi].X == 0f)
+                    mask[index].Y = 1f; //if we find a black pixel, return true
+            }
+        }
     }
 
-    private static void SdfKernel(Index2D index,
+    static void SdfKernel(Index2D index,
         ArrayView2D<Vector3, Stride2D.DenseX> sdf,
         ArrayView1D<Vector2, Stride1D.Dense> edges,
         int width, int height
     ) {
         Vector2 pos = new((float)index.X / width, (float)index.Y / height);
-        float minDist = 2f;
+        var minDist = 2f;
-        int count = edges.IntExtent.Size;
+        var count = edges.IntExtent.Size;
-        
+
-        for (int i = 0; i < count; i++) {
+        for (var i = 0; i < count; i++) {
-            Vector2 edgeNrm = new (edges[i].X/width, edges[i].Y/height);
+            Vector2 edgeNrm = new(edges[i].X / width, edges[i].Y / height);
-            float dist = Vector2.Distance(pos, edgeNrm);
+            var dist = Vector2.Distance(pos, edgeNrm);
             if (dist < minDist) minDist = dist;
         }
 
         if (minDist > 1f) minDist = 1f;
-       
+
         sdf[index] = new(minDist);
     }
 
-    private static void GradientKernel(Index2D index,
+    static void GradientKernel(Index2D index,
         ArrayView2D<Vector3, Stride2D.DenseX> mask,
         ArrayView2D<Vector3, Stride2D.DenseX> sdfa,
         ArrayView2D<Vector3, Stride2D.DenseX> sdfb,
         ArrayView2D<Vector3, Stride2D.DenseX> gradient
     ) { //early exit if not on mask
-        if(mask[index].X == 0f || mask[index].Y == 0f) return;
+        if (mask[index].X == 0f) return;
-        float a = sdfa[index].X; float b = sdfb[index].X;
+        var a = sdfa[index].X;
-        gradient[index] = new (a / (a + b));
+        var b = sdfb[index].X;
+        gradient[index] = new(a / (a + b));
     }
-}
+
+    static Vector3 SampleBilinear(ArrayView2D<Vector3, Stride2D.DenseX> image, float x, float y) {
+        int width = image.IntExtent.X;
+        int height = image.IntExtent.Y;
+        
+        var x0 = (int)x;
+        var y0 = (int)y;
+        var x1 = x0 + 1;
+        var y1 = y0 + 1;
+
+        if (x0 < 0 || x1 >= width || y0 < 0 || y1 >= height) return Vector3.Zero;
+
+        var a = new Vector2(x - x0, y - y0);
+        var b = new Vector2(1f - a.X, 1f - a.Y);
+        
+        return Vector3.Lerp(
+            Vector3.Lerp(image[x0, y0], image[x1, y0], a.X),
+            Vector3.Lerp(image[x0, y1], image[x1, y1], a.X),
+            a.Y
+        );
+    }
+    
+    static void DirectionalBlurKernel(Index2D index,
+        ArrayView2D<Vector3, Stride2D.DenseX> image,
+        ArrayView2D<Vector3, Stride2D.DenseX> mask,
+        ArrayView2D<Vector3, Stride2D.DenseX> output,
+        float radius, float step, float sigma,
+        int width, int height
+    ) {
+        var x = index.X;
+        var y = index.Y;
+        var value = image[x, y];
+        var maskValue = mask[x, y];
+        if (maskValue.X == 0f) {
+            output[x, y] = value;
+            return;
+        }
+
+        var gradient = Vector2.Zero;
+        
+        // calculate the gradient
+        for (int i = -1; i <= 1; i++) {
+            if (x + i < 0 || x + i >= width || y + i < 0 || y + i >= height) continue;
+            gradient.X += i * image[x + i, y].X;
+            gradient.Y += i * image[x, y + i].X;
+        }
+        
+        /*
+        output[x, y] = new Vector3(float.Abs((gradient.X * 0.5f) + 0.5f),
+            float.Abs((gradient.Y * 0.5f) + 0.5f), 0.5f);
+        return;
+        */
+
+        if (gradient == Vector2.Zero) {
+            output[x, y] = value;
+            return;
+        }
+
+        gradient = Vector2.Normalize(gradient);
+        float sum = 0;
+
+        // now we follow the direction line and sample the image for length;
+        for (var l = -radius; l <= radius; l += step) {
+            var xOffset = (gradient.X * l);
+            var yOffset = (gradient.Y * l);
+            var xSample = x + xOffset;
+            var ySample = y + yOffset;
+
+            if (xSample < 0 || xSample >= width || ySample < 0 || ySample >= height) continue;
+
+            var sampleValue = SampleBilinear(image, xSample, ySample);
+            var weight = MathF.Exp(-(l * l) / (2f * sigma * sigma));
+            output[x, y] += sampleValue * weight;
+            sum += weight;
+        }
+
+        output[x, y] = output[x, y] / sum;
+    }
+}

SDFMapCreator/SdfKernels.cs

@@ -5,12 +5,13 @@ using ILGPU.Runtime;
 using ILGPU.Runtime.CPU;
 using ILGPU.Runtime.Cuda;
 using ILGPU.Runtime.OpenCL;
+using ILGPU.Algorithms;
 
 namespace SDFMapCreator;
 
 public partial class SdfKernels {
-    private Context gpuContext;
+    Context gpuContext;
-    
+
     public SdfKernels() {
         // Initialize the GPU context
         gpuContext = Context.Create(builder => builder
@@ -18,150 +19,181 @@ public partial class SdfKernels {
             .Cuda()
             .CPU()
             .Math(MathMode.Fast32BitOnly)
+            .EnableAlgorithms()
         );
 
         Console.WriteLine("Reading available accelerators (CUDA only)...");
         foreach (var device in gpuContext.GetCudaDevices()) {
-            using Accelerator accelerator = device.CreateAccelerator(gpuContext);
+            using var accelerator = device.CreateAccelerator(gpuContext);
             Console.WriteLine($"{GetInfoString(accelerator)}");
         }
+
         Console.WriteLine("Reading available accelerators (OpenCL only)...");
         foreach (var device in gpuContext.GetCLDevices()) {
-            using Accelerator accelerator = device.CreateAccelerator(gpuContext);
+            using var accelerator = device.CreateAccelerator(gpuContext);
             Console.WriteLine($"{GetInfoString(accelerator)}");
         }
+
         Console.WriteLine("Reading available accelerators (CPU only)...");
         foreach (var device in gpuContext.GetCPUDevices()) {
-            using Accelerator accelerator = device.CreateAccelerator(gpuContext);
+            using var accelerator = device.CreateAccelerator(gpuContext);
             Console.WriteLine($"{GetInfoString(accelerator)}");
         }
-        
     }
 
     public void SelfMask(Vector3[,] input, out Vector3[,] mask) {
-        var dev = gpuContext.GetPreferredDevice(preferCPU:false);
+        var dev = gpuContext.GetPreferredDevice(false);
-        int width = input.GetLength(0);
+        var width = input.GetLength(0);
-        int height = input.GetLength(1);
+        var height = input.GetLength(1);
         mask = new Vector3[width, height];
-        using Accelerator accelerator = dev.CreateAccelerator(gpuContext);
+        using var accelerator = dev.CreateAccelerator(gpuContext);
-        
+
-        using var buffer = accelerator.Allocate2DDenseX<Vector3>(new (width, height));
+        using var buffer = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
         buffer.CopyFromCPU(input);
-        
+
-        using var maskBuffer = accelerator.Allocate2DDenseX<Vector3>(new (width, height));
+        using var maskBuffer = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
-        
+
         var selfMaskKernel = accelerator.LoadAutoGroupedStreamKernel<Index2D, ArrayView2D<Vector3, Stride2D.DenseX>,
             ArrayView2D<Vector3, Stride2D.DenseX>>(SelfMaskKernel);
 
-        selfMaskKernel(new (width, height), buffer.View, maskBuffer.View);
+        selfMaskKernel(new(width, height), buffer.View, maskBuffer.View);
-        
+
         accelerator.Synchronize();
 
         mask = maskBuffer.GetAsArray2D();
     }
-    
+
     public void ABMask(Vector3[,] A, Vector3[,] B, out Vector3[,] mask) {
-        var dev = gpuContext.GetPreferredDevice(preferCPU:false);
+        var dev = gpuContext.GetPreferredDevice(false);
-        int width = A.GetLength(0);
+        var width = A.GetLength(0);
-        int height = A.GetLength(1);
+        var height = A.GetLength(1);
         mask = new Vector3[width, height];
-        using Accelerator accelerator = dev.CreateAccelerator(gpuContext);
+        using var accelerator = dev.CreateAccelerator(gpuContext);
-        
+
-        using var bufferA = accelerator.Allocate2DDenseX<Vector3>(new (width, height));
+        using var bufferA = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
         bufferA.CopyFromCPU(A);
-        
+
-        using var bufferB = accelerator.Allocate2DDenseX<Vector3>(new (width, height));
+        using var bufferB = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
         bufferB.CopyFromCPU(B);
-        
+
-        using var maskBuffer = accelerator.Allocate2DDenseX<Vector3>(new (width, height));
+        using var maskBuffer = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
-        
+
         var abMaskKernel = accelerator.LoadAutoGroupedStreamKernel<Index2D,
             ArrayView2D<Vector3, Stride2D.DenseX>,
             ArrayView2D<Vector3, Stride2D.DenseX>,
             ArrayView2D<Vector3, Stride2D.DenseX>>(ABMaskKernel);
 
-        abMaskKernel(new (width, height), bufferA.View, bufferB.View, maskBuffer.View);
+        abMaskKernel(new(width, height), bufferA.View, bufferB.View, maskBuffer.View);
-        
+
         accelerator.Synchronize();
 
         mask = maskBuffer.GetAsArray2D();
     }
-    
+
     public void EdgeDetect(Vector3[,] mask, out Vector3[,] edge) {
-        var dev = gpuContext.GetPreferredDevice(preferCPU:false);
+        var dev = gpuContext.GetPreferredDevice(false);
-        int width = mask.GetLength(0);
+        var width = mask.GetLength(0);
-        int height = mask.GetLength(1);
+        var height = mask.GetLength(1);
         edge = new Vector3[width, height];
-        using Accelerator accelerator = dev.CreateAccelerator(gpuContext);
+        using var accelerator = dev.CreateAccelerator(gpuContext);
-        
+
-        using var buffer = accelerator.Allocate2DDenseX<Vector3>(new (width, height));
+        using var buffer = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
         buffer.CopyFromCPU(mask);
-        
+
         var edgeKernel = accelerator.LoadAutoGroupedStreamKernel<Index2D,
             ArrayView2D<Vector3, Stride2D.DenseX>, uint, uint>(EdgeKernel);
 
-        edgeKernel(new (width, height), buffer.View, (uint)width, (uint)height);
+        edgeKernel(new(width, height), buffer.View, (uint)width, (uint)height);
-        
+
         accelerator.Synchronize();
 
         edge = buffer.GetAsArray2D();
     }
-    
+
     public void Sdf(Vector2[] edges, int width, int height, out Vector3[,] sdf) {
-        var dev = gpuContext.GetPreferredDevice(preferCPU:false);
+        var dev = gpuContext.GetPreferredDevice(false);
-        using Accelerator accelerator = dev.CreateAccelerator(gpuContext);
+        using var accelerator = dev.CreateAccelerator(gpuContext);
-        
+
-        using var buffer = accelerator.Allocate2DDenseX<Vector3>(new (width, height));
+        using var buffer = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
-        
+
         using var edgeBuffer = accelerator.Allocate1D<Vector2>(edges.Length);
         edgeBuffer.CopyFromCPU(edges);
-        
+
         var sdfKernel = accelerator.LoadAutoGroupedStreamKernel<Index2D,
             ArrayView2D<Vector3, Stride2D.DenseX>,
             ArrayView1D<Vector2, Stride1D.Dense>,
             int, int>(SdfKernel);
 
-        sdfKernel(new (width, height), buffer.View, edgeBuffer.View, width, height);
+        sdfKernel(new(width, height), buffer.View, edgeBuffer.View, width, height);
-        
+
         accelerator.Synchronize();
 
         sdf = buffer.GetAsArray2D();
     }
-    
+
-    public void Gradient(ref Vector3[,] mask, ref Vector3[,] sdfa, ref Vector3[,] sdfb, out Vector3[,] gradient) {
+    public void Gradient(Vector3[,] mask, Vector3[,] sdfa, Vector3[,] sdfb, out Vector3[,] gradient) {
-        var dev = gpuContext.GetPreferredDevice(preferCPU:false);
+        var dev = gpuContext.GetPreferredDevice(false);
-        int width = mask.GetLength(0);
+        var width = mask.GetLength(0);
-        int height = mask.GetLength(1);
+        var height = mask.GetLength(1);
         gradient = new Vector3[width, height];
-        using Accelerator accelerator = dev.CreateAccelerator(gpuContext);
+        using var accelerator = dev.CreateAccelerator(gpuContext);
-        
+
-        using var bufferMask = accelerator.Allocate2DDenseX<Vector3>(new (width, height));
+        using var bufferMask = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
         bufferMask.CopyFromCPU(mask);
-        
+
-        using var bufferSdfa = accelerator.Allocate2DDenseX<Vector3>(new (width, height));
+        using var bufferSdfa = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
         bufferSdfa.CopyFromCPU(sdfa);
-        
+
-        using var bufferSdfb = accelerator.Allocate2DDenseX<Vector3>(new (width, height));
+        using var bufferSdfb = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
         bufferSdfb.CopyFromCPU(sdfb);
-        
+
-        using var bufferGradient = accelerator.Allocate2DDenseX<Vector3>(new (width, height));
+        using var bufferGradient = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
-        
+
         var gradientKernel = accelerator.LoadAutoGroupedStreamKernel<Index2D,
             ArrayView2D<Vector3, Stride2D.DenseX>,
             ArrayView2D<Vector3, Stride2D.DenseX>,
             ArrayView2D<Vector3, Stride2D.DenseX>,
             ArrayView2D<Vector3, Stride2D.DenseX>>(GradientKernel);
 
-        gradientKernel(new (width, height), bufferMask.View, bufferSdfa.View, bufferSdfb.View, bufferGradient.View);
+        gradientKernel(new(width, height), bufferMask.View, bufferSdfa.View, bufferSdfb.View, bufferGradient.View);
-        
+
         accelerator.Synchronize();
 
-        gradient = bufferMask.GetAsArray2D();
+        gradient = bufferGradient.GetAsArray2D();
     }
-    
+
-    private static string GetInfoString(Accelerator a)
+    public void DirectionalBlur(Vector3[,] image, Vector3[,] mask, out Vector3[,] output, float radius = 3f,
-    {
+        float step = .5f, float sigma = 1f) {
-        StringWriter infoString = new StringWriter();
+        var dev = gpuContext.GetPreferredDevice(false);
+        var width = image.GetLength(0);
+        var height = image.GetLength(1);
+        output = new Vector3[width, height];
+        using var accelerator = dev.CreateAccelerator(gpuContext);
+
+        using var imageBuffer = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
+        imageBuffer.CopyFromCPU(image);
+
+        using var maskBuffer = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
+        maskBuffer.CopyFromCPU(mask);
+
+        using var outputBuffer = accelerator.Allocate2DDenseX<Vector3>(new(width, height));
+
+        var blurKernel = accelerator.LoadAutoGroupedStreamKernel<Index2D,
+            ArrayView2D<Vector3, Stride2D.DenseX>,
+            ArrayView2D<Vector3, Stride2D.DenseX>,
+            ArrayView2D<Vector3, Stride2D.DenseX>,
+            float, float, float, int, int>(DirectionalBlurKernel);
+
+        blurKernel(new(width, height), imageBuffer.View, maskBuffer.View, outputBuffer.View,
+            radius, step, sigma, width, height);
+
+        accelerator.Synchronize();
+
+        output = outputBuffer.GetAsArray2D();
+    }
+
+    static string GetInfoString(Accelerator a) {
+        var infoString = new StringWriter();
         a.PrintInformation(infoString);
         return infoString.ToString();
     }