add new construct function of SceneOrient

inc/hgl/graph/SceneOrient.h

@@ -27,6 +27,7 @@ namespace hgl
         public:
 
             SceneOrient();
+            SceneOrient(const Matrix4f &mat);
             virtual ~SceneOrient()=default;
 
                     Matrix4f &  SetLocalMatrix              (const Matrix4f &);                                         ///<设定当前节点矩阵

src/SceneGraph/SceneOrient.cpp

@@ -3,8 +3,6 @@ namespace hgl
 {
     namespace graph
     {
-        Matrix4f Ortho2DMatrix;                                                        ///<全局2D视图矩阵
-
         SceneOrient::SceneOrient()
         {
             LocalMatrix                 =Matrix4f::identity;
@@ -13,6 +11,14 @@ namespace hgl
             InverseLocalToWorldMatrix   =Matrix4f::identity;
         }
 
+        SceneOrient::SceneOrient(const Matrix4f &mat)
+        {
+            SetLocalMatrix(mat);
+
+            LocalToWorldMatrix          =Matrix4f::identity;
+            InverseLocalToWorldMatrix   =Matrix4f::identity;
+        }
+
         Matrix4f &SceneOrient::SetLocalMatrix(const Matrix4f &m)
         {
             LocalMatrix=m;