From e1aa360635cd371a0aab711a02a22fd2c26663d7 Mon Sep 17 00:00:00 2001
From: Mike Smith <msmith@affirma.com>
Date: Sun, 14 Feb 2016 11:22:17 -0800
Subject: [PATCH] Added MinkowskiedObject, Minkowski

---
 OSCADSharp/OSCADSharp.ConsoleTests/Program.cs |  4 ++--
 OSCADSharp/OSCADSharp/OSCADObject.cs          | 14 ++++++++++++-
 OSCADSharp/OSCADSharp/OSCADSharp.csproj       |  1 +
 .../Transforms/MinkowskiedObject.cs           | 20 +++++++++++++++++++
 4 files changed, 36 insertions(+), 3 deletions(-)
 create mode 100644 OSCADSharp/OSCADSharp/Transforms/MinkowskiedObject.cs

diff --git a/OSCADSharp/OSCADSharp.ConsoleTests/Program.cs b/OSCADSharp/OSCADSharp.ConsoleTests/Program.cs
index 6a54eac..627b6cf 100644
--- a/OSCADSharp/OSCADSharp.ConsoleTests/Program.cs
+++ b/OSCADSharp/OSCADSharp.ConsoleTests/Program.cs
@@ -14,8 +14,8 @@ namespace OSCADSharp.ConsoleTests
         static void Main(string[] args)
         {
             var cube = new Cube(null, true).Translate(10, 0, 5).Scale(1, 1, 5);
-            var sphere = new Sphere().Mimic(cube).Translate(0, 0, 5);
-            string script = cube.Union(sphere).ToString();
+            var sphere = new Sphere().Mimic(cube).Translate(0, 0, 10);
+            string script = cube.Minkowski(sphere, new Cylinder()).ToString();
 
             File.WriteAllLines("test.scad", new string[] { script.ToString() });
             Console.ReadKey();
diff --git a/OSCADSharp/OSCADSharp/OSCADObject.cs b/OSCADSharp/OSCADSharp/OSCADObject.cs
index 35a16a7..c724676 100644
--- a/OSCADSharp/OSCADSharp/OSCADObject.cs
+++ b/OSCADSharp/OSCADSharp/OSCADObject.cs
@@ -133,6 +133,16 @@ namespace OSCADSharp
         {
             return this.Translate(new Vector3(x, y, z));
         }
+
+        /// <summary>
+        /// Creates a minkowski sum of child nodes (including this object)
+        /// </summary>
+        /// <param name="nodes">Nodes to sum with</param>
+        /// <returns>A minkowski sum</returns>
+        public OSCADObject Minkowski(params OSCADObject[] nodes)
+        {
+            return new MinkowskiedObject(nodes);
+        }
         #endregion
 
         #region Boolean Operations
@@ -183,6 +193,7 @@ namespace OSCADSharp
         }
         #endregion
 
+        #region Utility Methods
         /// <summary>
         /// Creates a copy of this object and all of its children
         /// 
@@ -232,7 +243,7 @@ namespace OSCADSharp
 
         /// <summary>
         /// Copies the transforms that have been applied to another OSCADObject, and applies
-        /// the same transforms to this object. (Only transforms)
+        /// the same transforms to this object. (Only pure transforms, like Translate, Rotate, Scale, Color)
         /// </summary>
         /// <param name="other"></param>
         /// <returns></returns>
@@ -255,5 +266,6 @@ namespace OSCADSharp
 
             return finalObject;
         }
+        #endregion
     }
 }
diff --git a/OSCADSharp/OSCADSharp/OSCADSharp.csproj b/OSCADSharp/OSCADSharp/OSCADSharp.csproj
index 5becd83..ade38c4 100644
--- a/OSCADSharp/OSCADSharp/OSCADSharp.csproj
+++ b/OSCADSharp/OSCADSharp/OSCADSharp.csproj
@@ -55,6 +55,7 @@
     <Compile Include="Solids\Sphere.cs" />
     <Compile Include="Solids\Text3D.cs" />
     <Compile Include="Transforms\ColoredObject.cs" />
+    <Compile Include="Transforms\MinkowskiedObject.cs" />
     <Compile Include="Transforms\MirroredObject.cs" />
     <Compile Include="Transforms\ResizedObject.cs" />
     <Compile Include="Transforms\RotatedObject.cs" />
diff --git a/OSCADSharp/OSCADSharp/Transforms/MinkowskiedObject.cs b/OSCADSharp/OSCADSharp/Transforms/MinkowskiedObject.cs
new file mode 100644
index 0000000..6db3c97
--- /dev/null
+++ b/OSCADSharp/OSCADSharp/Transforms/MinkowskiedObject.cs
@@ -0,0 +1,20 @@
+using OSCADSharp.Scripting;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OSCADSharp.Transforms
+{
+    /// <summary>
+    /// Creates an object that's the minkowski sum of child objects
+    /// </summary>
+    internal class MinkowskiedObject : BlockStatementObject
+    {
+        
+        public MinkowskiedObject(IEnumerable<OSCADObject> children) : base("minkowski()", children)
+        {
+        }        
+    }
+}