adding project

Assets/Editor/BuildScript.cs

@@ -0,0 +1,35 @@
+using System.IO;
+using UnityEditor;
+
+public static class BuildScript
+{
+    [MenuItem("Build/Build Windows")]
+    public static void BuildWindows()
+    {
+        string buildPath = "Builds/Windows";
+        if (!Directory.Exists(buildPath))
+            Directory.CreateDirectory(buildPath);
+
+        BuildPipeline.BuildPlayer(
+            new[] { "Assets/Scenes/TestScene.unity" }, // Scenes to build
+            Path.Combine(buildPath, "TestGame.exe"),  // Output path
+            BuildTarget.StandaloneWindows64,
+            BuildOptions.None
+        );
+    }
+
+    [MenuItem("Build/Build Mac")]
+    public static void BuildMac()
+    {
+        string buildPath = "Builds/Mac";
+        if (!Directory.Exists(buildPath))
+            Directory.CreateDirectory(buildPath);
+
+        BuildPipeline.BuildPlayer(
+            new[] { "Assets/Scenes/TestScene.unity" },
+            Path.Combine(buildPath, "TestGame.app"),
+            BuildTarget.StandaloneOSX,
+            BuildOptions.None
+        );
+    }
+}

Assets/Editor/BuildScript.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: c653344c656a8b64696dc968cd671185