Add GLM as submodule

.gitmodules

@@ -16,3 +16,6 @@
 [submodule "ext/tfd"]
 	path = ext/tfd
 	url = https://github.com/native-toolkit/tinyfiledialogs.git
+[submodule "ext/glm"]
+	path = ext/glm
+	url = https://github.com/g-truc/glm.git

CMakeLists.txt

@@ -82,7 +82,6 @@ set(THREAD_LIBRARY Threads::Threads)
 find_package(PNG REQUIRED)
 set(PNG_LIBRARY PNG::PNG)
 
-
 #
 # GLFW3
 #
@@ -95,9 +94,9 @@ find_package(OpenGL REQUIRED)
 #
 # GLM
 #
-find_package(glm REQUIRED)
-macro_log_feature(glm_FOUND "GLM" "OpenGL Mathematics" "https://glm.g-truc.net" TRUE)
-set(GLM_LIBRARY glm)
+set(BUILD_STATIC_LIBS ON)
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/ext/glm)
+message(STATUS "Compiling 'GLM' OpenGL Mathematics https://glm.g-truc.net.")
 
 #
 # GLAD
@@ -131,7 +130,6 @@ set(IMGUITEXTEDIT_SRC
 )
 message(STATUS "Including 'ImGuiColorTextEdit' from https://github.com/BalazsJako/ImGuiColorTextEdit -- ${IMGUITEXTEDIT_INCLUDE_DIR}.")
 
-
 #
 # TINY XML 2
 #
@@ -265,7 +263,6 @@ message(STATUS "Using 'CMakeRC ' from https://github.com/vector-of-bool/cmrc.git
 target_link_libraries(${VMIX_BINARY} LINK_PRIVATE 
     ${GLFW_LIBRARY}
     ${OPENGL_LIBRARY}
-    ${GLM_LIBRARY}
     GLAD
     ${CMAKE_DL_LIBS}
     ${GOBJECT_LIBRARIES}
@@ -282,6 +279,7 @@ target_link_libraries(${VMIX_BINARY} LINK_PRIVATE
     TINYXML2
     TINYFD
     IMGUI
+    glm::glm
     vmix::rc
 )
 

Primitives.cpp

@@ -138,7 +138,7 @@ void MediaSurface::update( float dt )
         mediaplayer_->update();
 
 //        if (parent_ != nullptr) {
-//            parent_->transform_ = parent_->transform_ * glm::scale(glm::mat4(1.f), glm::vec3(mediaplayer_->aspectRatio(), 1.f, 1.f));
+//            parent_->transform_ = parent_->transform_ * glm::scale(glm::identity<glm::mat4>(), glm::vec3(mediaplayer_->aspectRatio(), 1.f, 1.f));
 //            scale_.x = 1.0;
 //        }
 //        else

Scene.cpp

@@ -19,11 +19,11 @@
 
 glm::mat4 transform(glm::vec3 translation, glm::vec3 rotation, glm::vec3 scale)
 {
-    glm::mat4 View = glm::translate(glm::mat4(1.f), translation);
+    glm::mat4 View = glm::translate(glm::identity<glm::mat4>(), translation);
     View = glm::rotate(View, rotation.x, glm::vec3(1.f, 0.f, 0.f));
     View = glm::rotate(View, rotation.y, glm::vec3(0.f, 1.f, 0.f));
     View = glm::rotate(View, rotation.z, glm::vec3(0.f, 0.f, 1.f));
-    glm::mat4 Model = glm::scale(glm::mat4(1.f), scale);
+    glm::mat4 Model = glm::scale(glm::identity<glm::mat4>(), scale);
     return View * Model;
 }
 
@@ -34,7 +34,7 @@ Node::Node() : initialized_(false), parent_(nullptr), visible_(true)
     auto duration = std::chrono::system_clock::now().time_since_epoch();
     id_ = std::chrono::duration_cast<std::chrono::nanoseconds>(duration).count() % 100000000;
 
-    transform_ = glm::mat4(1.f);
+    transform_ = glm::identity<glm::mat4>();
     scale_ = glm::vec3(1.f);
     rotation_ = glm::vec3(0.f);
     translation_ = glm::vec3(0.f);
@@ -321,8 +321,8 @@ void Animation::init()
 {
     Group::init();
 
-    animation_ = glm::mat4(1.f);
-//    animation_ = glm::translate(glm::mat4(1.f), glm::vec3(2.f, 0.f, 0.f));
+    animation_ = glm::identity<glm::mat4>();
+//    animation_ = glm::translate(glm::identity<glm::mat4>(), glm::vec3(2.f, 0.f, 0.f));
 }
 
 void Animation::update( float dt )
@@ -338,7 +338,7 @@ void Animation::update( float dt )
     glm::vec4 delta = glm::vec4(pos, 0.f) * animation_;
 
     // apply this translation to the Group transform
-    transform_ *= glm::translate(glm::mat4(1.f), glm::vec3(delta.x, delta.y, 0.f));
+    transform_ *= glm::translate(glm::identity<glm::mat4>(), glm::vec3(delta.x, delta.y, 0.f));
 
 }
 

Shader.cpp

@@ -210,8 +210,8 @@ void Shader::use()
 
 void Shader::reset()
 {
-    projection =  glm::mat4(1.f);
-    modelview =  glm::mat4(1.f);
+    projection =  glm::identity<glm::mat4>();
+    modelview =  glm::identity<glm::mat4>();
     resolution = glm::vec3(1280.f, 720.f, 0.f);
     color = glm::vec4(1.f, 1.f, 1.f, 1.f);
 }

UserInterfaceManager.cpp

@@ -170,7 +170,7 @@ void UserInterface::handleMouse()
 
             Log::Info("Mouse press (%.1f,%.1f)", io.MousePos.x, io.MousePos.y);
 
-            glm::mat4 mv = glm::mat4(1.f);
+            glm::mat4 mv = glm::identity<glm::mat4>();
             glm::vec3 point = Rendering::manager().unProject(glm::vec2(io.MousePos.x, io.MousePos.y), mv);
 
             Log::Info("            (%.1f,%.1f)", point.x, point.y);

main.cpp

@@ -180,7 +180,7 @@ void drawScene()
     scene.root_.update( static_cast<float>( GST_TIME_AS_MSECONDS(dt)) * 0.001f );
 
     // draw in output frame buffer
-    glm::mat4 MV = glm::mat4(1.f);
+    glm::mat4 MV = glm::identity<glm::mat4>();
     glm::mat4 P  = glm::scale( glm::ortho(-5.f, 5.f, -5.f, 5.f), glm::vec3(1.f, output->aspectRatio(), 1.f));
     output->begin();
     scene.root_.draw(MV, P);
@@ -212,7 +212,6 @@ void drawPreview()
         ImGui::End();
     }
 
-
 }