feat: add optimize functions for luajit

src/CMakeLists.txt

@@ -22,13 +22,15 @@ endif()
 
 # Used as public API to be included into other projects
 set(raylib_public_headers
+    luaopt.h
     raylib.h
     rlgl.h
     raymath.h
     )
 
 # Sources to be compiled
 set(raylib_sources
+    luaopt.c
     rcore.c
     rmodels.c
     rshapes.c

src/luaopt.c

@@ -0,0 +1,13 @@
+#include "raylib.h"
+
+void pGetWindowPosition(Vector2* v) {
+	*v = GetWindowPosition();
+}
+
+void pClearBackground(Color* v) {
+	ClearBackground(*v);
+}
+
+void pBeginMode2D(Camera2D* v) {
+	BeginMode2D(*v);
+}

src/luaopt.h

@@ -0,0 +1,5 @@
+#include "raylib.h"
+
+RLAPI void pGetWindowPosition(Vector2* v);
+RLAPI void pClearBackground(Color* v);
+RLAPI void pBeginMode2D(Camera2D* v);