Cylinder Corona light flip

[bulyfabi]

Can we have small switch on cylinder light between lighting inside or outside?

*prettyplease* thanks

[romullus]

You can tick option "emit from both sides", maybe that would solve youre request?

[bulyfabi]

You can tick option "emit from both sides", maybe that would solve youre request?

That's unfortunately not available on cylinder (and sphere).

[romullus]

Oh sorry, didn't know that. In that case you can use cylinder primitive with flipped normals and CoronaLight material assigned.

[bulyfabi]

Yep, that's kind of what I do. Is lightmtl still affecting preformance (noise, speed ect.) or it's not a thing anymore.. ?

[romullus]

If your cylinder won't be unnecessary subdivided, difference in performance shouldn't be significant.

[Ondra]

in fact it will be exactly the same for cylindrical light ;)

[shafky]

Unfortunately, there's no such options available - even today in Corona 11 (Latest one). Very unfortunate...
But now to deal with the problem, what I did is, I draw a surface around the light (You can draw a circle and extrude it, with edit poly you can delete both the faces but keep only the height face), and apply Mirror material (99 reflective) to that height face, so It will reflect the light. It worked for me, may be it will help others too.

[romullus]

Unfortunately, there's no such options available - even today in Corona 11 (Latest one). Very unfortunate...
But now to deal with the problem, what I did is, I draw a surface around the light (You can draw a circle and extrude it, with edit poly you can delete both the faces but keep only the height face), and apply Mirror material (99 reflective) to that height face, so It will reflect the light. It worked for me, may be it will help others too.

That's extremely inefficient way to do this. Much better way is to make cylinder (or extruded circle), flip its normals and apply Corona light material, just as described few messages above.