Unity3d-CreateSimplePlane

//http://www.smokymonkeys.com/kyrill/index.asp?category=3class CreateSimplePlane extends ScriptableWizard {    var width:float = 10.0;    var height:float = 10.0;    var path:String;    var fileName:String = "SimplePlane";    @MenuItem("Assets/Create/Simple Plane")    static function CreateWizard():void {                ScriptableWizard.DisplayWizard("Create Simple Plane", typeof(CreateSimplePlane));    }        function OnWizardUpdate() {        path = getSelectedPath();    }        function OnWizardCreate():void {        var mesh:Mesh = CreatePlaneMesh(width, height);        mesh.name = "SimplePlane";        AssetDatabase.CreateAsset(mesh, path +fileName +".asset");        var plane:GameObject = new GameObject("plane");        plane.hideFlags = HideFlags.HideAndDontSave;        var meshFilter:MeshFilter = plane.AddComponent(MeshFilter);        meshFilter.sharedMesh = mesh;        var meshRenderer = plane.AddComponent(MeshRenderer);        var material:Material = new Material(Shader.Find("Diffuse"));        meshRenderer.sharedMaterial = material;        AssetDatabase.CreateAsset(material, path +fileName +".mat");                var prefab:Object = EditorUtility.CreateEmptyPrefab(path +fileName +".prefab");   EditorUtility.ReplacePrefab(plane, prefab);   AssetDatabase.Refresh();   DestroyImmediate(plane);    }            static function getSelectedPath():String {        var filePath:String = "";        if (Selection.objects.Length > 0) {            var selectedObject:Object = Selection.objects[0];            if (selectedObject.GetType() != typeof(UnityEngine.GameObject)){                filePath = AssetDatabase.GetAssetPath(selectedObject);                if (System.IO.Directory.Exists(filePath)) {                    filePath = filePath +"/";                } else {                    filePath = System.IO.Path.GetDirectoryName(filePath) +"/";                }            }        }        if ((filePath == null) || (filePath == "")) {            filePath = "Assets/";        }        return filePath;    }                function CreatePlaneMesh(width_:float, height_:float):Mesh {        var mesh:Mesh = new Mesh();                var vertices:Vector3[] = new Vector3[4];        vertices[0] = Vector3(width_, 0, height_);        vertices[1] = Vector3(width_, 0, 0);        vertices[2] = Vector3(0, 0, height_);        vertices[3] = Vector3(0, 0, 0);                var uv:Vector2[] = new Vector2[4];        uv[0] = new Vector2(1, 1);        uv[1] = new Vector2(1, 0);        uv[2] = new Vector2(0, 1);        uv[3] = new Vector2(0, 0);                var triangles:int[] = new int[6];        triangles[0] = 0;        triangles[1] = 1;        triangles[2] = 2;        triangles[3] = 2;        triangles[4] = 1;        triangles[5] = 3;                var normal:Vector3[] = new Vector3[4];        normal[0] = Vector3.up;        normal[1] = Vector3.up;        normal[2] = Vector3.up;        normal[3] = Vector3.up;                mesh.vertices = vertices;        mesh.uv = uv;        mesh.triangles = triangles;        mesh.normals = normal;        mesh.RecalculateBounds();        return mesh;    }}