+ comments to the SM.Base

+ Length, Normalize methods for CVectors

SMCode/SM.Base/Objects/Mesh.cs

@@ -1,5 +1,6 @@
 #region usings
 
+using OpenTK.Graphics.OpenGL4;
 using SM.OGL.Mesh;
 
 #endregion
@@ -12,14 +13,15 @@ namespace SM.Base.Objects
         /// <summary>
         ///     While initializing, it will add the <see cref="Color" /> to the data index.
         /// </summary>
-        public Mesh()
+        public Mesh(PrimitiveType type)
         {
+            PrimitiveType = type;
             Attributes.Add(3, "color", Color);
         }
 
         /// <summary>
         ///     Contains vertex colors
         /// </summary>
-        public virtual VBO Color { get; }
+        public virtual VBO Color { get; protected set; }
     }
 }

SMCode/SM.Base/Objects/Static/AxisHelper.cs

@@ -4,13 +4,24 @@ using SM.OGL.Mesh;
 
 namespace SM.Base.Objects.Static
 {
+    /// <summary>
+    ///     An AxisHelper-Model
+    /// <para>White: -X, -Y, -Z</para>
+    /// <para>Red: +X </para>
+    /// <para>Green: +Y </para>
+    /// <para>Blue: +Z </para>
+    /// </summary>
     public class AxisHelper : Mesh
     {
+        /// <summary>
+        ///     Object
+        /// </summary>
         public static AxisHelper Object = new AxisHelper();
 
-        private AxisHelper() {}
+        private AxisHelper() : base(PrimitiveType.Lines) {}
 
-        public override VBO Vertex { get; } = new VBO()
+        /// <inheritdoc />
+        public override VBO Vertex { get; protected set; } = new VBO()
         {
             {0, 0, 0},
             {.5f, 0, 0},
@@ -20,7 +31,8 @@ namespace SM.Base.Objects.Static
             {0, 0, .5f},
         };
 
-        public override VBO Color { get; } = new VBO(pointerSize:4)
+        /// <inheritdoc />
+        public override VBO Color { get; protected set; } = new VBO(pointerSize:4)
         {
             {Color4.White},
             {Color4.Red},
@@ -29,7 +41,5 @@ namespace SM.Base.Objects.Static
             {Color4.White},
             {Color4.DarkBlue},
         };
-
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.Lines;
     }
 }

SMCode/SM.Base/Objects/Static/Plate.cs

@@ -25,7 +25,7 @@ namespace SM.Base.Objects.Static
         }
 
         /// <inheritdoc />
-        public override VBO Vertex { get; } = new VBO
+        public override VBO Vertex { get; protected set; } = new VBO
         {
             {-.5f, -.5f, 0},
             {-.5f, .5f, 0},
@@ -34,7 +34,7 @@ namespace SM.Base.Objects.Static
         };
 
         /// <inheritdoc />
-        public override VBO UVs { get; } = new VBO(pointerSize: 2)
+        public override VBO UVs { get; protected set; } = new VBO(pointerSize: 2)
         {
             {0, 1},
             {0, 0},
@@ -43,7 +43,7 @@ namespace SM.Base.Objects.Static
         };
 
         /// <inheritdoc />
-        public override PrimitiveType PrimitiveType { get; } = PrimitiveType.Quads;
+        public override PrimitiveType PrimitiveType { get; protected set; } = PrimitiveType.Quads;
 
         /// <inheritdoc />
         public override BoundingBox BoundingBox { get; } =