First commit.

Source/OpenNest.Core/CNC/Motion.cs

@@ -0,0 +1,45 @@
+
+namespace OpenNest.CNC
+{
+    public abstract class Motion : ICode
+    {
+        protected const int DefaultDecimalPlaces = 4;
+
+        public Vector EndPoint { get; set; }
+
+        public bool UseExactStop { get; set; }
+
+        public int Feedrate { get; set; }
+
+        protected Motion()
+        {
+            Feedrate = CNC.Feedrate.UseDefault;
+        }
+
+        public virtual void Rotate(double angle)
+        {
+            EndPoint = EndPoint.Rotate(angle);
+        }
+
+        public virtual void Rotate(double angle, Vector origin)
+        {
+            EndPoint = EndPoint.Rotate(angle, origin);
+        }
+
+        public virtual void Offset(double x, double y)
+        {
+            EndPoint = new Vector(EndPoint.X + x, EndPoint.Y + y);
+        }
+
+        public virtual void Offset(Vector voffset)
+        {
+            EndPoint += voffset;
+        }
+
+        public abstract CodeType Type { get; }
+
+        public abstract ICode Clone();
+
+        public abstract string ToString(int decimalPlaces);
+    }
+}