Minor fixes to include paths and CMakeLists

Removed draw call from model constructor with filename

CMakeLists.txt

@@ -11,7 +11,20 @@ if(NOT ${OPENGL_GLU_FOUND})
 endif()
 
 add_executable(tests_opengl
-        src/main.cpp src/displayers.h src/displayers.cpp src/DataHandling/Texture.cpp src/DataHandling/Texture.h src/DataHandling/Model3D.cpp src/DataHandling/Model3D.h src/types.h)
+        src/main.cpp
+        src/displayers.h
+        src/displayers.cpp
+        src/DataHandling/Texture.cpp
+        src/DataHandling/Texture.h
+        src/DataHandling/Model3D.cpp
+        src/DataHandling/Model3D.h
+        src/types.h)
+
+target_link_directories(tests_opengl PRIVATE
+        src)
+
+target_include_directories(tests_opengl PRIVATE
+        src)
 
 target_link_libraries(tests_opengl
         ${OPENGL_LIBRARIES}