deleted hgl_cpy(T *,T *) function.

example/Vulkan/SkyColor.cpp

@@ -64,7 +64,7 @@ private:
         //.1, .2, .01     //green
         );
 
-        scc.LowColor.Use(COLOR::DarkMidnightBlue,1.0f);
+        scc.LowColor=GetColor4f(COLOR::DarkMidnightBlue,1.0f);
 
         ubo_sky_color=db->CreateUBO(sizeof(SkyColorConfig),&scc);
 

example/common/VulkanAppFramework.h

@@ -176,6 +176,11 @@ public:
         clear_color=cc;
     }
 
+    void SetClearColor(const enum class COLOR &ce)
+    {
+        clear_color=GetColor4f(ce,1.0f);
+    }
+
     void OnResize(uint w,uint h) override
     {
         if(w>0&&h>0)