updated VertexData.CreateRibbon call signature

src/Mesh/babylon.mesh.vertexData.ts

@@ -381,17 +381,14 @@
             return result;
         }
 
-        public static CreateRibbon(pathArray: Vector3[][], closeArray: boolean, closePath: boolean, offset: number, sideOrientation?: number): VertexData;
-        public static CreateRibbon(options: { pathArray?: Vector3[][], closeArray?: boolean, closePath?: boolean, offset?: number, sideOrientation?: number }): VertexData;
-        public static CreateRibbon(options: any, closeArray?: boolean, closePath?: boolean, offset?: number, sideOrientation: number = Mesh.DEFAULTSIDE): VertexData {
-
-            var pathArray = pathArray || options.pathArray;
-            closeArray = closeArray || options.closeArray || false;
-            closePath = closePath || options.closePath || false;
-            var defaultOffset = Math.floor(pathArray[0].length / 2);
-            offset = offset || options.offset || defaultOffset;
+        public static CreateRibbon(options: { pathArray?: Vector3[][], closeArray?: boolean, closePath?: boolean, offset?: number, sideOrientation?: number }): VertexData {
+            var pathArray:Vector3[][] = options.pathArray;
+            var closeArray: boolean = options.closeArray || false;
+            var closePath: boolean = options.closePath || false;
+            var defaultOffset: number = Math.floor(pathArray[0].length / 2);
+            var offset:number = options.offset || defaultOffset;
             offset = offset > defaultOffset ? defaultOffset : Math.floor(offset); // offset max allowed : defaultOffset
-            sideOrientation = sideOrientation || options.sideOrientation || Mesh.DEFAULTSIDE;
+            var sideOrientation:number = (options.sideOrientation === 0) ? 0 : options.sideOrientation || Mesh.DEFAULTSIDE;
 
             var positions: number[] = [];
             var indices: number[] = [];