3 files changed, 10 insertions, 11 deletions
diff --git a/src/crepe/system/AnimatorSystem.cpp b/src/crepe/system/AnimatorSystem.cpp
index 052d264..3d6c807 100644
--- a/src/crepe/system/AnimatorSystem.cpp
+++ b/src/crepe/system/AnimatorSystem.cpp
@@ -1,15 +1,14 @@
 
+#include <cstdint>
+#include <functional>
+#include <vector>
 
-#include "AnimatorSystem.h"
 #include "ComponentManager.h"
 #include "facade/SDLContext.h"
 #include "util/log.h"
-
 #include "api/Animator.h"
 
-#include <cstdint>
-#include <functional>
-#include <vector>
+#include "AnimatorSystem.h"
 
 using namespace crepe;
 
diff --git a/src/crepe/system/RenderSystem.cpp b/src/crepe/system/RenderSystem.cpp
index 149af68..849d810 100644
--- a/src/crepe/system/RenderSystem.cpp
+++ b/src/crepe/system/RenderSystem.cpp
@@ -20,9 +20,9 @@ RenderSystem & RenderSystem::get_instance() {
 	return instance;
 }
 
-void RenderSystem::clear_screen() { SDLContext::get_instance().clear_screen(); }
+void RenderSystem::clear_screen() const { SDLContext::get_instance().clear_screen(); }
 
-void RenderSystem::present_screen() {
+void RenderSystem::present_screen() const {
 	SDLContext::get_instance().present_screen();
 }
 void RenderSystem::update_camera() {
@@ -36,7 +36,7 @@ void RenderSystem::update_camera() {
 		this->curr_cam = &cam;
 	}
 }
-void RenderSystem::render_sprites() {
+void RenderSystem::render_sprites() const {
 
 	ComponentManager & mgr = ComponentManager::get_instance();
 
diff --git a/src/crepe/system/RenderSystem.h b/src/crepe/system/RenderSystem.h
index 684776b..c5e674a 100644
--- a/src/crepe/system/RenderSystem.h
+++ b/src/crepe/system/RenderSystem.h
@@ -43,12 +43,12 @@ private:
     /**
      * \brief Clears the screen in preparation for rendering.
      */
-    void clear_screen();
+    void clear_screen() const;
 
     /**
      * \brief Presents the rendered frame to the display.
      */
-    void present_screen();
+    void present_screen() const;
 
     /**
      * \brief Updates the active camera used for rendering.
@@ -58,7 +58,7 @@ private:
     /**
      * \brief Renders all active sprites to the screen.
      */
-    void render_sprites();
+    void render_sprites() const;
 
     /**
      * \todo Include color handling for sprites.