Added Intersection boolean operation

OSCADSharp/OSCADSharp.ConsoleTests/Program.cs

@@ -31,7 +31,7 @@ namespace OSCADSharp.ConsoleTests
                 Height = 50.8
             }.Translate(10, 5, 2);
 
-            var combined = cube.Difference(cylinder);
+            var combined = cube.Intersection(cylinder);
 
             Console.WriteLine(combined.ToString());
             Console.ReadKey();

OSCADSharp/OSCADSharp/Booleans/Intersection.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OSCADSharp.Booleans
+{
+    /// <summary>
+    /// Creates the intersection of all child nodes
+    /// </summary>
+    internal class Intersection : BlockStatementObject
+    {
+        /// <summary>
+        /// Creates the intersection of all child nodes
+        /// </summary>
+        /// <param name="children"></param>
+        public Intersection(IEnumerable<OSCADObject> children) : base("intersection()", children)
+        {
+        }
+    }
+}

OSCADSharp/OSCADSharp/OSCADObject.cs

@@ -147,11 +147,29 @@ namespace OSCADSharp
             return doBoolean("Union", objects, (children) => { return new Union(children); });
         }
 
+        /// <summary>
+        /// Subtracts the 2nd (and all further) child nodes from the first one (logical and not).
+        /// May be used with either 2D or 3D objects, but don't mix them.
+        /// </summary>
+        /// <param name="objects">child nodes</param>
+        /// <returns></returns>
         public OSCADObject Difference(params OSCADObject[] objects)
         {
             return doBoolean("Difference", objects, (children) => { return new Difference(children); });
         }
-        
+
+        /// <summary>
+        /// Creates the intersection of all child nodes. This keeps the overlapping portion (logical and).
+        /// Only the area which is common or shared by all children is retained.
+        /// May be used with either 2D or 3D objects, but don't mix them.
+        /// </summary>
+        /// <param name="objects">child nodes</param>
+        /// <returns></returns>
+        public OSCADObject Intersection(params OSCADObject[] objects)
+        {
+            return doBoolean("Intersection", objects, (children) => { return new Intersection(children); });
+        }
+
         private OSCADObject doBoolean(string name, OSCADObject[] objects, Func<IEnumerable<OSCADObject>, OSCADObject> factory)
         {
             if (objects == null || objects.Length < 1)

OSCADSharp/OSCADSharp/OSCADSharp.csproj

@@ -43,6 +43,7 @@
     <Compile Include="BlockFormatter.cs" />
     <Compile Include="BlockStatementObject.cs" />
     <Compile Include="Booleans\Difference.cs" />
+    <Compile Include="Booleans\Intersection.cs" />
     <Compile Include="Booleans\Union.cs" />
     <Compile Include="OSCADObject.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />