Added Cube binding constructor, test, corrected Sizes.InchesToMillimeters

OSCADSharp/OSCADSharp.UnitTests/Solids/CubeTests.cs

@@ -158,5 +158,21 @@ namespace OSCADSharp.UnitTests
             Assert.AreEqual(centerVal.Value, obj.Center);
             Assert.IsTrue(script.Contains("center = isCentered"));
         }
+
+        [TestMethod]
+        public void Cube_ConstructorBindingsAppearInOutput()
+        {
+            var length = new Variable("deckBoxLength", Sizes.SixteenthInch * 32);
+            var width = new Variable("deckBoxWidth", Sizes.SixteenthInch * 32);
+            var height = new Variable("deckboxHeight", Sizes.InchesToMillimeters(2.5));
+            var centered = new Variable("isCentered", true);
+
+            var cube = new Cube(length, width, height, centered);
+
+            string script = cube.ToString();
+
+            Assert.IsTrue(script.Contains("size = [deckBoxLength, deckBoxWidth, deckboxHeight]"));
+            Assert.IsTrue(script.Contains("center = isCentered"));
+        }
     }
 }

OSCADSharp/OSCADSharp/Sizes.cs

@@ -41,9 +41,9 @@ namespace OSCADSharp
         /// </summary>
         /// <param name="inches">Number of inches</param>
         /// <returns>Equivalent value in milimeters</returns>
-        public double InchesToMillimeters(double inches)
+        public static double InchesToMillimeters(double inches)
         {
-            return inches * 0.03937008;
+            return inches * OneInch;
         }
     }
 }

OSCADSharp/OSCADSharp/Solids/Cube.cs

@@ -78,6 +78,21 @@ namespace OSCADSharp.Solids
 
             this.Center = center;
         }
+
+        /// <summary>
+        /// Creates a new Cube object with variable bindings
+        /// </summary>
+        /// <param name="length">Size on the X axis</param>
+        /// <param name="width">Size on the Y axis</param>
+        /// <param name="height">Size on the Z axis</param>
+        /// <param name="center">Indicates whether the cube should be centered on the origin</param>
+        public Cube(Variable length = null, Variable width = null, Variable height = null, Variable center = null)
+        {
+            this.BindIfVariableNotNull("length", length);
+            this.BindIfVariableNotNull("width", width);
+            this.BindIfVariableNotNull("height", height);
+            this.BindIfVariableNotNull("center", center);
+        }
         #endregion
 
         #region Overrides