Refactor Engine::getGLVersion()

CMakeLists.txt

@@ -34,8 +34,6 @@ add_library(SDL3D SHARED ${SOURCES}
 # Why god???
 set_target_properties(SDL3D PROPERTIES LINKER_LANGUAGE CXX)
 
-
-
 CPMAddPackage(
         NAME glm
         GITHUB_REPOSITORY g-truc/glm
@@ -52,5 +50,5 @@ find_package(OpenGL REQUIRED)
 include_directories({$OPENGL_INCLUDE_DIRS})
 find_package(glm REQUIRED)
 target_link_libraries(SDL3D PUBLIC glm::glm SDL2::SDL2 ${OPENGL_LIBRARIES})
-add_executable(SDL3D_Demo "demo/main.cpp")
+add_executable(SDL3D_Demo "include/demo/main.cpp")
 target_link_libraries(SDL3D_Demo PUBLIC SDL3D)

include/engine/maths.h

@@ -0,0 +1 @@
+#pragma once

src/engine/engine.cpp

@@ -11,9 +11,9 @@ void Engine::quit() const {
 
 float Engine::getGLVersion()
 {
-    std::string str = reinterpret_cast<const char *>(glGetString(GL_VERSION));
-    str.erase(str.begin()+3,str.end());
-    return std::stof(str);
+    const std::string full_gl_ver = reinterpret_cast<const char *>(glGetString(GL_VERSION));
+    const std::string gl_major = full_gl_ver.substr(0, 3);
+    return std::stof(gl_major);
 }
 
 void Engine::initGL()
@@ -47,7 +47,6 @@ void Engine::initGL()
 
 void Engine::initVideo()
 {
-
     Uint32 sdl_initializer_flags = SDL_INIT_VIDEO;// | SDL_INIT_AUDIO;
 
     // Start SDL, check for errors