diff --git a/example/Vulkan/CMakeLists.txt b/example/Vulkan/CMakeLists.txt
index e2a39a76..b053000c 100644
--- a/example/Vulkan/CMakeLists.txt
+++ b/example/Vulkan/CMakeLists.txt
@@ -24,4 +24,4 @@ CreateProject(09.Atomsphere Atomsphere.cpp)
 
 CreateProject(10.Deferred Deferred.cpp TGATexture.cpp)
 
-CreateProject(11.TextureFormat TextureFormat.cpp TGATexture.cpp)
\ No newline at end of file
+CreateProject(11.TextureFormat TextureFormat.cpp TGATexture.cpp)
diff --git a/example/Vulkan/Geometry3D.cpp b/example/Vulkan/Geometry3D.cpp
index db2520eb..6e0daaca 100644
--- a/example/Vulkan/Geometry3D.cpp
+++ b/example/Vulkan/Geometry3D.cpp
@@ -87,13 +87,11 @@ private:
 
     bool InitScene()
     {
-        const float rad90=hgl_ang2rad(90);
-        
         render_root.Add(db->CreateRenderableInstance(m2d.pipeline,m2d.descriptor_sets,ro_round_rectangle));
 
         render_root.Add(db->CreateRenderableInstance(m3d.pipeline,m3d.descriptor_sets,ro_plane_grid[0]));
-        render_root.Add(db->CreateRenderableInstance(m3d.pipeline,m3d.descriptor_sets,ro_plane_grid[1]),rotate(rad90,0,1,0));
-        render_root.Add(db->CreateRenderableInstance(m3d.pipeline,m3d.descriptor_sets,ro_plane_grid[2]),rotate(rad90,1,0,0));
+        render_root.Add(db->CreateRenderableInstance(m3d.pipeline,m3d.descriptor_sets,ro_plane_grid[1]),rotate(HGL_RAD_90,0,1,0));
+        render_root.Add(db->CreateRenderableInstance(m3d.pipeline,m3d.descriptor_sets,ro_plane_grid[2]),rotate(HGL_RAD_90,1,0,0));
 
         render_root.RefreshMatrix();
         render_root.ExpendToList(&render_list);
diff --git a/inc/hgl/TypeFunc.h b/inc/hgl/TypeFunc.h
index cf4596ad..a2ed72ff 100644
--- a/inc/hgl/TypeFunc.h
+++ b/inc/hgl/TypeFunc.h
@@ -252,6 +252,19 @@ namespace hgl
     constexpr double HGL_COS_ANG_270=0;
     constexpr double HGL_COS_ANG_315=0.707106781187;
 
+    #define HGL_DEF_ANG2RAD(ang)    constexpr double HGL_RAD_##ang=double(ang)*(HGL_PI/180.0f);
+
+    HGL_DEF_ANG2RAD(0)
+    HGL_DEF_ANG2RAD(45)
+    HGL_DEF_ANG2RAD(90)
+    HGL_DEF_ANG2RAD(135)
+    HGL_DEF_ANG2RAD(180)
+    HGL_DEF_ANG2RAD(225)
+    HGL_DEF_ANG2RAD(270)
+    HGL_DEF_ANG2RAD(315)
+
+    #undef HGL_DEF_ANG2RAD
+
     constexpr double HGL_GOLDEN_RATIO                       =0.61803398874989484820458683436563811772030917980576;//黄金比例
     constexpr double HGL_SILVER_RATIO                       =2.4142135623730950488; //白银比例
 
diff --git a/res/image/Conical.tga b/res/image/Conical.tga
new file mode 100644
index 00000000..df5fe9e3
Binary files /dev/null and b/res/image/Conical.tga differ
diff --git a/src/SceneGraph/Coordinate.cpp b/src/SceneGraph/Coordinate.cpp
index 872b9792..1bf5ef60 100644
--- a/src/SceneGraph/Coordinate.cpp
+++ b/src/SceneGraph/Coordinate.cpp
@@ -4,7 +4,7 @@ namespace hgl
 {
     namespace graph
     {
-        Matrix4f MATRIX_FROM_OPENGL_COORDINATE=scale(1,-1,1)*rotate(hgl_ang2rad(90),Vector3f(1,0,0));
+        Matrix4f MATRIX_FROM_OPENGL_COORDINATE=scale(1,-1,1)*rotate(HGL_RAD_90,Vector3f(1,0,0));
 
 
     }//namespace graph