remove unwanted defines + upade encapsulation for window drawing function

lib/Ray/sources/Window.cpp

@@ -107,10 +107,14 @@ void RAY::Window::clear(const RAY::Color &color)
 	ClearBackground(color);
 }
 
-void RAY::Window::draw()
+void RAY::Window::beginDrawing()
+{
+	BeginDrawing();
+}
+
+void RAY::Window::endDrawing()
 {
 	EndDrawing();
-	BeginDrawing();
 }
 
 void RAY::Window::useCamera(RAY::Camera::Camera2D &camera)

lib/Ray/sources/Window.hpp

@@ -7,7 +7,7 @@
 
 #ifndef WINDOW_HPP_
 #define WINDOW_HPP_
-#define INTERNAL public
+
 #include <raylib.h>
 #include <string>
 #include <optional>
@@ -102,8 +102,10 @@ namespace RAY {
 				NONE,
 			};
 
-			//! @brief Draw the content of the buffer on the screen.
-			void draw();
+			//! @brief Setup canvas (framebuffer) to start drawing
+			void beginDrawing();
+			//! @brief End canvas drawing and swap buffers (double buffering)
+			void endDrawing();
 
 			//! @brief Initialize 2D mode with custom camera (2D)
 			void useCamera(Camera::Camera2D &camera);
@@ -131,6 +133,7 @@ namespace RAY {
 			//! @brief Draw a 3d mesh with material and transform
 			void draw(const Mesh &mesh, const Material &material, const Matrix &transform);
 
+			//! @return true if the window's context has been correctly initialized
 			bool isReady() const;