Added Billboard2DWay.cpp and test OK! next step is fixed billboard pixel size.

inc/hgl/graph/mtl/Material3DCreateConfig.h

@@ -53,6 +53,7 @@ public:
 
 MaterialCreateInfo *CreateVertexColor3D(const Material3DCreateConfig *);
 MaterialCreateInfo *CreateVertexLuminance3D(const Material3DCreateConfig *);
+MaterialCreateInfo *CreateBillboard2DWay(mtl::Material3DCreateConfig *);
 
 /**
  * 从文件加载材质

inc/hgl/graph/mtl/UBOCommon.h

@@ -39,8 +39,8 @@ constexpr const ShaderBufferSource SBS_CameraInfo=
     vec3 view_line;             //pos-target
     vec3 world_up;
 
-    vec3 camera_up;
-    vec3 camera_right;
+    vec3 billboard_up;
+    vec3 billboard_right;
 
     float znear,zfar;)"
 };