Added Clone() method to OSCADObject and all descendants

OSCADSharp/OSCADSharp.ConsoleTests/Program.cs

@@ -2,6 +2,7 @@
 using OSCADSharp.Transforms;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -14,7 +15,7 @@ namespace OSCADSharp.ConsoleTests
         {
             OSCADObject cube = new Cube()
             {
-                Size = new Vector3(5, 5, 5),
+                Size = new Vector3(15, 15, 15),
                 Center = false
             };
 
@@ -27,13 +28,17 @@ namespace OSCADSharp.ConsoleTests
 
             OSCADObject cylinder = new Cylinder()
             {
-                Diameter = 25.4,
+                Diameter = 35.4,
                 Height = 50.8
             }.Translate(10, 5, 2);
 
-            var combined = cube.Intersection(cylinder);
+            var combined = cube.Intersection(cylinder).Color("Blue");
+            combined = cube.Clone().Mirror(0, 0, 1).Union(combined);
 
-            Console.WriteLine(combined.ToString());
+            string script = combined.ToString();
+            File.WriteAllLines("test.scad", new string[] { script });
+
+            Console.WriteLine(script);
             Console.ReadKey();
         }
     }

OSCADSharp/OSCADSharp/Booleans/Difference.cs

@@ -18,6 +18,6 @@ namespace OSCADSharp.Booleans
         /// <param name="children"></param>
         public Difference(IEnumerable<OSCADObject> children) : base("difference()", children)
         {
-        }
+        }        
     }
 }

OSCADSharp/OSCADSharp/OSCADObject.cs

@@ -182,5 +182,14 @@ namespace OSCADSharp
             return factory(children);
         }
         #endregion
+
+        /// <summary>
+        /// Creates a copy of this object and all of its children
+        /// 
+        /// This is not a deep copy in the sense that all OSCADObjects will be new instances,
+        /// but any complex objects used as parameters (Such as Vector3s) will be referenced by the copies
+        /// </summary>
+        /// <returns>Clone of this object</returns>
+        public abstract OSCADObject Clone();        
     }
 }

OSCADSharp/OSCADSharp/Scripting/BlockStatementObject.cs

@@ -27,11 +27,22 @@ namespace OSCADSharp.Scripting
             StringBuilder sb = new StringBuilder();
             foreach (var child in this.children)
             {
-                sb.AppendLine(child.ToString());
+                sb.Append(child.ToString());
             }
 
             var formatter = new BlockFormatter(this.outerStatement, sb.ToString());
             return formatter.ToString();
         }
+
+        public override OSCADObject Clone()
+        {
+            List<OSCADObject> childClones = new List<OSCADObject>();
+            foreach (var child in this.children)
+            {
+                childClones.Add(child.Clone());
+            }
+
+            return new BlockStatementObject(this.outerStatement, childClones);
+        }
     }
 }

OSCADSharp/OSCADSharp/Solids/Cube.cs

@@ -30,5 +30,14 @@ namespace OSCADSharp.Solids
             return String.Format("cube(size = [{0}, {1}, {2}], center = {3});", 
                 this.Size.X.ToString(), this.Size.Y.ToString(), this.Size.Z.ToString(), this.Center.ToString().ToLower()); ;
         }
+
+        public override OSCADObject Clone()
+        {
+            return new Cube()
+            {
+                Size = this.Size,
+                Center = this.Center
+            };
+        }
     }
 }

OSCADSharp/OSCADSharp/Solids/Cylinder.cs

@@ -101,5 +101,19 @@ namespace OSCADSharp.Solids
                 Resolution.ToString(), MinimumAngle.ToString(),  MinimumCircumferentialLength.ToString(),
                 Height.ToString(), Radius1.ToString(), Radius2.ToString(), Center.ToString().ToLower());
         }
+
+        public override OSCADObject Clone()
+        {
+            return new Cylinder()
+            {
+                Height = this.Height,
+                Radius1 = this.Radius1,
+                Radius2 = this.Radius2,
+                Resolution = this.Resolution,
+                MinimumAngle = this.MinimumAngle,
+                MinimumCircumferentialLength = this.MinimumCircumferentialLength,
+                Center = this.Center
+            };
+        }
     }
 }

OSCADSharp/OSCADSharp/Solids/Sphere.cs

@@ -50,5 +50,16 @@ namespace OSCADSharp.Solids
                 this.Resolution.ToString(), this.MinimumAngle.ToString(), 
                 this.MinimumFragmentSize.ToString(), this.Radius.ToString());
         }
+
+        public override OSCADObject Clone()
+        {
+            return new Sphere()
+            {
+                Resolution = this.Resolution,
+                MinimumAngle = this.MinimumAngle,
+                MinimumFragmentSize = this.MinimumFragmentSize,
+                Radius = this.Radius
+            };
+        }
     }
 }

OSCADSharp/OSCADSharp/Transforms/ColoredObject.cs

@@ -38,5 +38,10 @@ namespace OSCADSharp.Transforms
             var formatter = new BlockFormatter(colorCommand, this.obj.ToString());            
             return formatter.ToString();
         }
+
+        public override OSCADObject Clone()
+        {
+            return new ColoredObject(this.obj, this.ColorName, this.Opacity);
+        }
     }
 }

OSCADSharp/OSCADSharp/Transforms/MirroredObject.cs

@@ -37,5 +37,10 @@ namespace OSCADSharp.Transforms
             var formatter = new BlockFormatter(mirrorCommand, this.obj.ToString());
             return formatter.ToString();
         }
+
+        public override OSCADObject Clone()
+        {
+            return new MirroredObject(this.obj, this.Normal);
+        }
     }
 }

OSCADSharp/OSCADSharp/Transforms/ResizedObject.cs

@@ -36,5 +36,10 @@ namespace OSCADSharp.Transforms
             var formatter = new BlockFormatter(resizeCommand, this.obj.ToString());
             return formatter.ToString();
         }
+
+        public override OSCADObject Clone()
+        {
+            return new ResizedObject(this.obj, this.Size);
+        }
     }
 }

OSCADSharp/OSCADSharp/Transforms/RotatedObject.cs

@@ -36,5 +36,10 @@ namespace OSCADSharp.Transforms
             var formatter = new BlockFormatter(rotateCommand, this.obj.ToString());
             return formatter.ToString();
         }
+
+        public override OSCADObject Clone()
+        {
+            return new RotatedObject(this.obj, this.Angle);
+        }
     }
 }

OSCADSharp/OSCADSharp/Transforms/ScaledObject.cs

@@ -36,5 +36,10 @@ namespace OSCADSharp.Transforms
             var formatter = new BlockFormatter(scaleCommand, this.obj.ToString());
             return formatter.ToString();
         }
+
+        public override OSCADObject Clone()
+        {
+            return new ScaledObject(this.obj, this.ScaleFactor);
+        }
     }
 }

OSCADSharp/OSCADSharp/Transforms/TranslatedObject.cs

@@ -33,5 +33,10 @@ namespace OSCADSharp.Transforms
             var formatter = new BlockFormatter(translateCommmand, this.obj.ToString());
             return formatter.ToString();
         }
+
+        public override OSCADObject Clone()
+        {
+            return new TranslatedObject(this.obj, this.Vector);
+        }
     }
 }