re-added glm vectors bindings

src/imconfig.h

@@ -6,6 +6,9 @@
 
 #pragma once
 
+#include <glm/vec2.hpp>
+#include <glm/vec4.hpp>
+
 //---- Define assertion handler. Defaults to calling assert().
 //#define IM_ASSERT(_EXPR)  MyAssert(_EXPR)
 
@@ -14,7 +17,7 @@
 //#define IMGUI_API __declspec( dllimport )
 
 //---- Don't define obsolete functions names. Consider enabling from time to time or when updating to reduce like hood of using already obsolete function/names
-//#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS
+#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS
 
 //---- Include imgui_user.h at the end of imgui.h
 //#define IMGUI_INCLUDE_IMGUI_USER_H
@@ -25,7 +28,7 @@
 
 //---- Don't implement demo windows functionality (ShowDemoWindow()/ShowStyleEditor()/ShowUserGuide() methods will be empty)
 //---- It is very strongly recommended to NOT disable the demo windows. Please read the comment at the top of imgui_demo.cpp to learn why.
-//#define IMGUI_DISABLE_DEMO_WINDOWS
+#define IMGUI_DISABLE_DEMO_WINDOWS
 
 //---- Don't implement ImFormatString(), ImFormatStringV() so you can reimplement them yourself.
 //#define IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS
@@ -37,15 +40,14 @@
 //#define IMGUI_STB_NAMESPACE     ImGuiStb
 
 //---- Define constructor and implicit cast operators to convert back<>forth from your math types and ImVec2/ImVec4.
-/*
 #define IM_VEC2_CLASS_EXTRA                                                 \
-        ImVec2(const MyVec2& f) { x = f.x; y = f.y; }                       \
-        operator MyVec2() const { return MyVec2(x,y); }
+        ImVec2(const glm::vec2& f) { x = f.x; y = f.y; }                       \
+        operator glm::vec2() const { return glm::vec2(x,y); }
 
 #define IM_VEC4_CLASS_EXTRA                                                 \
-        ImVec4(const MyVec4& f) { x = f.x; y = f.y; z = f.z; w = f.w; }     \
-        operator MyVec4() const { return MyVec4(x,y,z,w); }
-*/
+        ImVec4(const glm::vec4& f) { x = f.x; y = f.y; z = f.z; w = f.w; }     \
+        operator glm::vec4() const { return glm::vec4(x,y,z,w); }
+
 
 //---- Use 32-bit vertex indices (instead of default: 16-bit) to allow meshes with more than 64K vertices
 //#define ImDrawIdx unsigned int