Screen-space related functions for 3DCamera.

include/core.h

@@ -128,3 +128,7 @@ int lcoreGetGestureDragVector( lua_State *L );
 int lcoreGetGestureDragAngle( lua_State *L );
 int lcoreGetGesturePinchVector( lua_State *L );
 int lcoreGetGesturePinchAngle( lua_State *L );
+/* Screen-space. */
+int lcoreGetMouseRay( lua_State *L );
+int lcoreGetCameraMatrix( lua_State *L );
+int lcoreGetWorldToScreen( lua_State *L );

include/lua_core.h

@@ -24,6 +24,7 @@ void uluaPushVector3( lua_State *L, Vector3 vector );
 void uluaPushVector4( lua_State *L, Vector4 vector );
 void uluaPushRectangle( lua_State *L, Rectangle rect );
 void uluaPushMatrix( lua_State *L, Matrix matrix );
+void uluaPushRay( lua_State *L, Ray ray );
 void uluaPushRayCollision( lua_State *L, RayCollision rayCol );
 
 int uluaGetTableLen( lua_State *L );